Section 13 — Electrical

Medium Voltage Motor Controllers

IPE Engineering Practice IPE-EP-13-6-1

Document number: IPE-EP-13-6-1 · Section: 13 — Electrical

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SCOPE

This Practice, including the medium voltage starter data sheet (EP 13–6–1 DS), covers the minimum requirements for assemblies of medium voltage, indoor, outdoor, walk–in sheltered maintenance aisle, and non–walk–in outdoor E–2 vacuum controllers (MVC) with ratings of 2.4,

4.16 and 7.2 Kv, 3 phase, 3 wire, 60 hertz, for operation on either ungrounded, low resistance or solidly grounded systems as specified on the Data Sheet.

This Practice is appropriate for attachment to an inquiry or purchase document when accompanied by the referenced IPE Engineering Practices and completed data sheets.

Any deviation from this Practice must be approved by the procedure described in EP 1–1–3. A revision bar indicates all changes made to this Revision.

REFERENCES

All applicable sections of the latest standards and codes listed below are a part of this Practice unless amended herein:

STANDARDS AND PUBLICATIONS

STANDARDS AND PUBLICATIONS (CONT.)

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DEFINITIONS

Contractor – Company or business that agrees to furnish materials or perform specified services at a specified price and/or rate to the Owner.

Inspector – A Inflection Point Engineering, LLC appointed engineer or inspector.

Manufacturer – The recipient of a direct or indirect purchase order for materials and/or equipment. In this context, a direct order is one issued to a Manufacturer by a Contractor or the Owner. An indirect order is one issued to a Manufacturer by a vendor (recipient of a direct order) for materials, fabricated components, or subassemblies.

Owner – Inflection Point Engineering, LLC.

Owner’s Engineer – A Inflection Point Engineering, LLC appointed engineer.

Purchaser – The party placing a direct purchase order. The Purchaser is the Owner’s designated representative.

SERVICE CONDITIONS

Medium voltage vacuum starter assemblies shall perform satisfactorily when operated indoors or outdoors in a walk–in, sheltered maintenance aisle housing, or outdoor non–walk–in enclosure, either intermittently or continuously in an atmosphere typical of petroleum plants.

Unless otherwise noted on the Medium Voltage Starter Data Sheet, the starter assemblies shall be for use in a 104ºF maximum ambient, –15ºF minimum ambient, and at an altitude of 3300 feet or lower.

DESIGN, CONSTRUCTION AND MATERIALS

General Construction

Enclosures

1) Each controller assembly shall consist of metal–enclosed, free standing, vertical,dead–front steel structures containing power buses, power contactors, necessary auxiliary control devices and specified instrument transformers, relays, meters, and control and meter switches as defined in NEMA ICS2–324, ICS2 and UL 347. Enclosures shall meet or exceed the requirements of NEMA ISC–6.

2)Sheet steel barriers shall be provided between the vertical units, horizontal units in two high construction, top and bottom compartments in one high designs, and between the control and power compartments

3)Provsions for padlocking shall be provided as follows:

• Non–bolt in (draw–out) controllers shall be lockable only in the racked out position.
• For one high construction, with a high voltage disconnect switch, the switch shall be lockable only in the switch open position.
• Enclosed starter assemblies shall be self ventilated.
• Starter assemblies shall be designed to prevent entrance of rodents, birds and insects.
• Control switches, meters, meter switches, position indicating lights, protective relays, etc., shall be mounted on the front of the switchgear panels and arranged in a logical, symmetrical manner, requiring Owner approval prior to fabrication.
• Equipment Identification/Nameplates
• Externally visible permanent nameplates shall be provided identifying each instrument, instrument switch, meter, relay, control switch, indicating light, potential transformer compartment and controller compartment. The identification shall be the same as on the drawings. Nameplates shall be lamicoid tags, white with black letters or black with white letters as identified on the data sheet, ( 3/8 inch high minimum letter size ) secured with screws or reusable plastic rivets.
• Equipment and terminal blocks within the compartments shall be suitably identified and shall have the same identification as on the drawings. Identification shall be made with lamicoid tags, white with black letters and secured with glue, double sided tape, screws or equivalent.
• Relays shall be designated as to use and the phase to which they are connected as shown on the one line and three line diagrams.
• Main unit identification nameplate information shall be as indicated on the data sheet. The nameplate shall be of the type specified in paragraph 5.1.2.a. above.
• In addition to identification nameplates, engraved nameplates shall also be provided on the outside of drawers or doors of draw out potential transformers as follows:
• For motor under voltage relays source PT drawers:

NAMEPLATE

• For undervoltage transfer schemes

NAMEPLATE

• These nameplates shall have 3/4 inch minimum size bold white letters on a red lamicoid tag.

• Engraved nameplates shall be provided adjacent to each protective lockout (86)and/or auxiliary tripping relay which trips more than one starter/controller. Nameplates shall be provided for both front–panel mounted relays and relays that are mounted inside compartments. Nameplates shall be engraved white on a red background with 3/8 inch minimum size letters and shall read:

NAMEPLATE

• All relay and control nomenclature shall conform to ANSI C37.2
• Bus phasing as well as protective relays shall be laid out and labeled in accordance with ANSI C37 as follows: A, B and C phase arranged from front to back, top to bottom, or left to right, as viewed from the main switching device operating mechanism side.
• Future Expansion: Provisions shall be made for the addition of future cubicle sections at both ends of the equipment with continuation of power buses, ground bus, enclosure, etc.
• Provisions for Handling, Storage and Field Erection
• Each “shipping section” shall be furnished with removable steel channel base plates that will permit using pipe rollers or dollies without damaging the frame steel of the equipment.
• Each “shipping section” of stationary structures shall be furnished with removable lifting angles and/or plates suitable for crane hooks or slings so lifting and erection can be done without danger of dropping or damaging the equipment.
• Equipment identified as not requiring outdoor storage shall be covered with plastic, braced for shipment, and provided with lifting capability. Equipment identified as requiring outdoor storage shall be packaged, crated and rigidly braced to protect it from the weather and damage during outdoor storage.
• When specified on the Data Sheets, provisions shall be made for the customer to energize the space heaters of each shipping section during storage at the job site. The electrical connection point shall be readily available without uncrating the equipment and shall be clearly identified as to location and the electrical service requirement.
• All equipment shall be furnished assembled to the extent practicable, and for easy field assembly where factory assembly is not practicable. All nuts, bolts, gaskets and hardware should be furnished together with complete instructions for field assembly. The manufacturer shall itemize unassembled equipment in bid.
• MVC Enclosure Space Heaters: Space heaters when specified on the Data Sheets shall be provided in each vertical unit to prevent condensation. Space heaters shall be fed by 120 volt

A.C. supplied by others, unless an auxiliary equipment CPT is specified on the Data Sheet. Space heater control shall be by one or more thermostats.

• Painting: The controller enclosures shall be cleaned, primed and then painted with the manufacturer’s standard finish coat of paint. The final finish for indoor switchgear shall be ANSI No.61 or No. 49 gray. The final finish for the enclosure of outdoor equipment shall be ANSI No. 70 or No. 49 gray. The Manufacturer shall supply one quart of matching paint per assembly for field “touch–up” after installation. Paint shall be in aerosol cans with non–CFC propellant and supplied with MSDS sheets. If the Manufacturer’s standard colors are not as specified above, request quote for color specified with an alternate quote for Manufacturer’s standard color.
• MVC Assembly Arrangement: The MVC arrangement shall be as shown on the attached drawings. The Manufacturer is encouraged to suggest alternates that result in space savings and/ or cost reduction.
• The MVC Manufacturer shall provide recommendations concerning the need for surge suppression for each vacuum controller application. If surge suppression is recommended, the type and location shall be identified. If surge suppression is recommended in a controller compartment, the manufacturer shall quote this equipment as a separate line item in the bid.
• Outdoor Assemblies (Walk–in and Non–Walk–In)
• Starter/Controller assemblies for outdoor installations shall be weather and rodent proof, fully gasketed and equipped with lighting, convenience receptacles, and thermostatically controlled unit space heaters. In addition, when specified, walk–in enclosures shall have thermostatically controlled isle heaters, and/or forced ventilation.
• The enclosed entry area of walk–in and nonwalk–in outdoor enclosures shall be adequately ventilated to prevent excessive heat buildup for the specified ambient temperature.
• Positive ventilation, when specified, shall be accomplished by a blower such that the temperature in the maintenance aisle will be no more than 5ºF higher than the outside temperature (95ºF). Blower suction shall be taken near the top of the assembly wall. The thermostat shall be provided in series with a manual on–off auto switch for fan control.
• Walk–in enclosure aisle shall permit easy controller removal as well as room for controller maintenance and testing. Entry doors with provision for locking with padlocks shall be provided on each end of the assembly, unless otherwise noted. Doors must permit opening from the inside even when locked.
• The undersurfaces of the assembly shall have a heavy, rubberized sealing material, or similar owner approved anti–corrosion coating.
• Exterior hardware shall be corrosion resistant material preferably stainless steel (aluminum shall be copper free).
• Interrupter Switches
• When medium voltage metal enclosed (ME) switches are part of the MVC assembly, the ME switches shall be in compliance with EP 13–25–1 and EP 13–25–1DS.
• Where enclosures/cubicles housing ME switches (load break, non–load break, fused or non–fused) are inserted in a lineup, the construction of the controllers and ME switch enclosures shall be fully preserved.
• The connection of the ME switch copper bus to the controller copper bus shall be with solid copper bus or a flexible copper connector. All connection joints shall be tin plated and all bus and bus joints shall be insulated per paragraph 5.7 of this Practice. Insulated power cable shall not be used as the connector, and is not considered an acceptable “flexible connector.”
• Wiring

• Control Wiring
• Each internal interconnecting wire shall be identified at each end with a plastic sleeve type, or shrink tubing stamped with the complete destination address. Tape type wire marks are not acceptable. Wire marks shall match the manufacturer’s interconnection drawing. Tabular wiring diagrams and wire marks are not acceptable. Wiring diagrams as well as wire marks, device and terminal strip identification shall use a destination address identification system approved by the Owner.
• Stranded #14 AWG (minimum) copper conductors covered with flame retardant switchgear wire insulation shall be used. #8 AWG (minimum) shall be used for 125 VDC distribution circuits.
• Compression type terminal lugs with insulated sleeves and spade tongue type (except ring tongue type on all CT circuits) shall be used.
• Terminal blocks shall be suitable for holding spade and ring type lugs. Blocks shall be rated as a minimum, 20 amp, 600V. All spare (unused) terminal spaces shall have screws inserted. Provide a minimum of 20% spare terminal spaces.
• The terminal blocks for the first termination of current transformers shall be of the shorting type. The terminal block shall be located in the controller low voltage compartment and shall be accessible from the front of the controller without exposure to energized power voltage equipment.
• The ground connection for current transformers shall be made at the first terminal block, and not at the CT.
• Provide adequate space for customers low voltage wiring. This space shall allow for easy installation and removal of contactor with no danger of causing damage to the wiring.
• Cell switch wiring shall be brought out to terminals and identified, so that it may be easily jumped for test purposes.
• Power Cable Wiring
• Load side feeder cables shall exit the controllers as specified on the Data Sheet.
• Power cable racking support shall be provided where long unsupported lengths of cable may exist inside equipment.
• Space, mounting, and electrical connection provisions shall be provided in both incoming (where applicable) and outgoing cubicles for making stress cones on shielded power cable.
• Control Switches
• Permissive control switches shall not be mounted adjacent to meter switches, and shall have “pistol grip” handles.
• Meter switches shall have “knurled knob” handles. Ammeter and Voltmeter switches shall have an “off” position.
• Selector type control switches shall have “oval” handles.
• Each motor controller shall be provided with a door–mounted “start–stop” pushbutton and a permissive switch. The permissive switch shall be a 2–position selector switch, G.E. Type SBM, or equivalent. The controller shall be wired for control from a remote control station or by the local control station, through the permissive switch, as follows:
• “Run” Position of Permissive Switch
• Controller can be closed or opened by the remote control station only when the controller is in the “connected” or “operate” position.

• Controller can be opened by the local control station but cannot be closed by the local station.
• “Test” Position of Permissive Switch
• The remote control station is completely disconnected.
• Controller can be closed by local control station only when the controller is in the “test” or “disconnected” position and a source of test control power is connected.
• All mechanically latched contactors shall be provided with door mounted “Close–Trip” pushbuttons, a “Test–Normal” selector switch, and a front door (exposed) mechanical trip lever.
• Open “knife” switches shall not be used for control switches or as control power disconnects.
• Protective Relays, Meters and Control
• General
• Relaying and metering (type and quantity) shall be as shown on the drawings and/or Data Sheet.
• All electromechanical protective relays and electromechanical watthour–meters shall be drawout type with built–in test plugs/switches, unless specific non–drawout types are specified on the Data Sheets, drawings, or elsewhere in this Practice.
• Any trip device which does not have a non–automatic–resetting trip target included as an integral part shall have contacts wired to a target relay.
• Remote trip signals (except start–stop pushbutton signal) shall initiate controller tripping via an instantaneous auxiliary relay with a non–automatic–resetting trip target.
• Adjustable time, time delay relays shall be Agastat Type 7000 or as specified.
• Electrically operated controllers that are remotely controlled shall have manually reset lockout relays to prevent controller reclosing when tripped by a fault protective device.
• Each incoming main and bus section in a line–up shall be provided with a voltmeter and a voltmeter switch to determine the incoming line voltage and individual bus voltage on each phase.
• Each controller in the line–up shall be provided with an ammeter and an ammeter switch to determine the load current in each phase. When solid state protective relays are supplied that provide this function the ammeter and switch shall be deleted.
• When analog meters are specified they shall be switchboard type, taut band, with a minimum 250º scale.
• If remote ammeters are specified, they shall be supplied from current transducers.
• Potential transformer secondary leads supplying remote meters shall be individually fused at the potential transformer.
• Each controller shall be provided with anti–single phase protection to open the contactor when a power bus fuse blows.

• For grounded systems, a window CT (typically 50/5), and a GE type PJC relay shall be provided for ground protection. For applications using solid state relays identified in paragraph 5.4.3, the ground protection integral to the solid state relay shall be used.
• Each motor controller shall be equipped with an undervoltage time–delay dropout motor reacceleration circuit. Dropout time shall be adjustable from 0–5 seconds. It shall be possible to remove or insert the time delay feature by means of jumpers on terminal blocks. The circuit shall be designed such that momentary close and momentary open “start–stop” pushbutton stations may be used.
• Under voltage relay/control scheme and controller control power transformer bus connections shall be staggered.
• The controllers main coil control shall be designed to insure that the controller’s main contacts remain closed for 10 cycles during a voltage dip (zero volts on main bus).
• Under voltage reacceleration shall not be provided on synchronous motor starters.
• Load Center/Bulk Power Distribution Feeders: Protection for load center transformer feeders shall be with the appropriate size E–2 controller current limiting fuse; and when specified on the Data Sheet, induction disk overcurrent relays (time only no inst.).
• Motor Feeders: Relays shall be either electro–mechanical draw out type manufactured by General Electric or ABB (Westinghouse) or Solid State Motor Protection. Solid State Motor Protection shall be provided by a Multilin model 369 Motor Protection Relay. If solid state relays are specified/provided, they shall be supplied in a draw out test case or flush–panel mount back connected, as indicated on the Data Sheet.
• Minimum protection for Induction Motors greater than 200 HP up to 1499 HP
• One Lock Rotor “51 LR” Protection Relay.
• “49” running protection, bimetallic type for electro–mechanical relay schemes and RTD type with solid state relays. Protection shall be for all three phases.
• Zero sequence ground fault “50” relay for resistance grounded power systems. Acceptable electro–mechanical type relay is a plunger type GE PJC.
• Minimum protection for Induction Motors 1500 HP and above.
• Two lock rotor “51LR” Protection Relays.
• “49” protection via RTD’s and a RTD monitor/relay for “High” alarm, “High–High” trip.
• Three phase “46” current balance relay.
• Zero sequence ground fault “50” relay for resistance grounded power systems. Acceptable electro–mechanical type is a plunger type GE PJC.
• Minimum Protection for Synchronous Motors: All starters shall contain the same relaying as specified for the induction motors (paragraph 5.4.3.2 of this Practice) with the addition of the following relays:
• Power Factor Relay
• DC Field Loss Relay
• Instrument and Control Power Transformers
• Current Transformers
• Current transformers shall comply with ANSI C57.13.

• Current transformers shall be supplied with the ratios and in quantities as shown on the Data Sheet.
• Accuracies shall be in accordance with ANSI Standards for the metering and relay applications shown on the drawings. 1200/5 and larger current transformers shall be C200 class or higher.
• Current transformers shall be mounted in the cubical stationary part, not on the contactor.
• Potential Transformers
• Potential Transformers shall comply with ANSI C57.13.
• Potential transformers shall be mounted in a separate compartment or superstructure.
• Potential transformers shall be fixed mounted or drawout.
• Drawout potential transformers shall be mounted on a drawout mechanism that is linked to the potential transformer compartment door. When the compartment door is closed, the transformers shall be completely isolated and the primary and secondary disconnect contacts engaged with their respective stationary contacts to complete the circuit. On opening the door, the transformer shall be automatically withdrawn, breaking the primary and secondary connections and grounding the primary P.T. connections. The primary connection shall be disconnected before the transformer or its primary fuses become accessible.
• Stationary mounted potential transformers shall have their primary and secondary fuses mounted in a drawout compartment. When the compartment door is closed, the primary and secondary fuse disconnect contacts shall be fully engaged with their respective stationary contacts to complete the circuit. On opening the door, the fuses shall be automatically withdrawn, breaking the primary and secondary connections. The primary connection shall be disconnected before the primary fuses become accessible.
• Potential transformers shall be protected with current–limiting primary fuses, and shall be designed to withstand the basic impulse level of the controller assembly.
• Transformers shall have 120 volt secondaries and ANSI accuracies and burden capabilities for the duty indicated on the drawings and/or Data Sheet.
• Controller Control Power Transformer
• Control power shall be provided from a control power transformer located in (on) each controller assembly.
• Primary side protection of the control power transformer shall be provided by current limiting fuses connected downstream of the main circuit fuses.
• Secondary side of the control power transformer shall be grounded. However, this ground connection shall be located, or automatically switched, to eliminate the risk of a ground fault when testing the control circuit with an auxiliary (test) source of power whose ground is not identified.
• The control power circuit shall be protected in normal operation by fuse(s) in the ungrounded conductor(s).
• Unless specified otherwise, the control power transformer (CPT) shall have a 120 volt secondary and shall be automatically disconnected from the high voltage when the contactor carriage is withdrawn (drawout contactor). For bolt–in controllers with separate high voltage disconnect switches, the CPT shall be automatically de–energized (disconnected from the high voltage) by opening the high voltage disconnect switch.

• The control power transformer shall have adequate capacity for all controller devices and auxiliaries as specified on the drawings and data sheets.
• Auxiliary/Station Control Power Transformer (ACPT)
• Where an auxiliary/station control power transformer (ACPT) is specified on the Data Sheets and/or drawings, it shall be rated at the KVA value shown, complete with draw–out primary current limiting fuses and a breaker interlocked with the drawout mechanism on the secondary circuit. The ACPT shall be sized for the ultimate starter line–up and substation auxiliary equipment needs. The ACPT drawout fuse compartment shall operate the same as in Paragraph 5.5.2.3.2 except that secondary fuses are not applicable. It is not required that the ACPT be drawout.
• The ACPT shall comply with ANSI C57.12.50 for performance, design and characteristics and ANSI C57.12.91 for test methods and compliance.
• The ACPT shall have a KVA continuous rating based on not exceeding 115 ºC average temperature rise as measured by resistance (185 ºC limiting temperature).
• The transformer shall be designed to the same basic impulse level as that of the controller assembly.
• It shall be the dry type and shall have the standard one plus and seven minus 1/2% taps.
• The ACPT shall be connected to the high voltage bus at the point indicated on the drawings and/or sketches.
• When specified on the Data Sheet the ACPT’s secondary system shall be provided with a linear actuator type automatic transfer switch. Location of the transfer switch shall be as indicated on Drawing/Data Sheets. If mounted in a controller it shall be fully accessible from the front of the assembly.
• Power fuses: Power fuses used for motor protection shall be current limiting (R–rated or equivalent) with visible fuse condition indicators. Power fuses used for transformer or general purpose feeder protection shall be current limiting, self–protecting (E–rated or equivalent) with visible fuse condition indicators. All fuses shall be easily inspected or replaced without controller disassembly.
• Contactors
• Fused contactors shall be rated at a minimum of 400 amperes continuous and shall have an interrupting capacity of 200 MVA @ 2.3KV, 350 MVA @ 4800V and 560 MVA @ 6600V.
• Contactors for motor controllers shall be magnetically held, AC operated DC coils.
• Contactors used for transformer feeders shall be AC close, “latch–in” type and AC capacitor tripped or DC tripped. The type of tripping circuit will be specified on Data Sheet.
• Latch contactors shall have a manual trip feature only; no manual close.
• Latched contactors shall be provided for motor starters only when specified as required on the Data Sheets.
• Fused Contactors (E 2 Controller Assemblies)
• Fused vacuum contactors shall be of two basic designs, bolt–in or non bolt–in (drawout) supplied as specified on the Data Sheets and/or other contract documents.

• Non bolt–in drawout designs shall have the power fuses, contactor and contactor accessories integrated on a single drawout carriage. This carriage shall be provided with line–side and loadside disconnects of the “stab–on” type such that it shall be possible to remove the carriage assembly without disconnecting any high voltage cables. The low voltage connections to the carriage shall be made with a quick disconnect plug or with “stab–on” disconnects. Line side bus stab openings shall be automatically shuttered when the carriage is withdrawn from the connected position. The medium voltage stabs shall be designed to tighten under fault conditions.
• Bolt–in (non–drawout) designs shall have separate medium voltage, non–load break isolation switches as a means of disconnecting the contactor (controller). The current limiting fuses shall be on the load side of the disconnect switch and arranged to allow safe removal of the fuses. The switch, as a minimum, shall be mechanically interlocked with the contactor to prevent opening of the switch with the controller contacts closed.
• The externally operated controller isolating mechanism handle shall have provisions for padlocking in the off (open) position only.
• Non–bolt–in drawout controllers shall have a detented inspection position to allow inspection of the compartment.
• Mechanical interlocks shall prohibit (a) opening the power compartment door without isolating the controller, (b) connecting a drawout contactor or closing the isolation switch on a bolt–in contactor with the compartment door open, and (c) withdrawing non bolt–in drawout controllers from the connect position unless the contactor is de–energized and its contacts are open.
• The controller control circuit shall be 120 volts AC.
• A controller lineup shall have all units test voltage input paralleled up, wired in common, to one location for connection to the purchasers 120/240 volt test supply (see Para. 5.5.3.3 for grounding).
• Buses
• Power Buses (Main and Vertical Buses of Controllers)
• Power Buses shall be copper only with all bus (joints) connections and stabs tin–plated. Silver is not an acceptable plating material.
• The horizontal/vertical bus work and the cabling/bus in each controller shall be braced and tested in accordance with NEMA ICS2-324 and UL 347.
• All power buses shall be completely isolated and insulated/fully clad with flame retardant, non–hygroscopic, high dielectric insulation. Joints and terminations shall be insulated using boots and/or taping.
• Power buses shall be mechanically braced for the asymmetrical short circuit currents corresponding to the CL fuse rated MVA interrupting capacity. The minimum bracing acceptable is 80,000 ampere asymmetrical.
• The continuous rating of the main horizontal power bus shall be 1000 amperes minimum.
• Connections between the main power bus and the contactor stabs shall be bus. Cable is not acceptable.
• All 5KV controller bus, for indoor or outdoor applications shall have either non–hygroscopic track resistant cycloaliphatic epoxy sleeves and supports or porcelain sleeves and supports.
• Ground Bus

• A 1/4 inch x 2 inch minimum size copper ground bus shall be provided for the entire length of the controller assembly, affording connections to all units and equipped with solderless #2/0 cable connectors at each end.
• The ground bus shall be accessible for workmen’s grounds.
• Provide ground bus extensions in all controller compartments. They shall be easily accessible at the front of the cubical by the Owner for termination of power cable shields, etc.
• Motor Enclosure Space Heater Power/Control
• All motor controllers shall have a controller mimic auxiliary contact (52b) to supervise and or apply power to the motor space heater. Contact ratings shall be suitable for the heater load rating.
• A motor space heater indication light shall be provided on the controller as outlined in Section 5.9.
• Power for the motor enclosure space heaters shall be provided from the controller CPT or the Owner’s external power supply as indicated on the data sheet.
• When motor enclosure space heater power is supplied from the controller CPT, the CPT VA shall be sized accordingly and the space heater circuit shall be separately fused to provide isolation from the controller CPT control power.
• Front Panel Indicating Lights
• A red “close” indicating light shall be located above each controller stop/start buttons to indicate the contactor is closed.
• All lockout relays shall have a “white” light to indicate a lockout relay operation/trip. The white light shall be centered on the lockout relay handle and located above the relay.
• An amber light shall be used to show that the motor space heaters are in service (on).
• Indicating lights shall be of the type specified on the Data Sheet.
• Test and Maintenance Accessories
• Any requirements for contactor test and maintenance accessories shall be specified on the Data Sheets.
• Controller Accessories
• Each assembly shall be equipped with at least two insulated fuse pullers, if required, for power and control fuses.
• One set of test plugs for drawout relays and/or protective relay test jacks shall be supplied.

TESTING

• The Manufacturer shall perform all owner required tests (Para. 6.4) in addition to the ANSI and NEMA production tests for all controller enclosures, buses, contactors, relay and control circuits. All tests shall be done at the Manufacturer’s plant, unless directed otherwise by the Owner.
• Testing shall be done on completely assembled equipment. Interconnection wiring shall be via actual wiring harness supplied with the job and not temporary test jumpers. In the case of controllers being supplied in prefabricated substation buildings, the tests shall be performed with the controllers completely installed in the building. The testing of the controllers shall be the responsibility of the controller manufacturer or supplier.

• Factory tests shall be done using rated voltages and/or current.
• Testing shall include, but not limited to, the items listed below:
• High potential tests of main buses, contactors, control power buses, control circuits.
• Operational test of each controller unit. Control wiring shall be energized and all electrically operated devices shall be operated in both normal and test positions. All job order controllers (contactors) shall be available and used for witness testing. The use of shop controllers is not acceptable.
• All automatic transfer systems shall be tested to demonstrate proper operation under normal and abnormal conditions. Tests shall be done with control wiring and all control signals energized.
• All current transformers and secondary circuits shall be verified via primary current and voltage. Verification of metering and relay current circuit operation shall be accomplished via primary current and voltage (low voltage, high current source is acceptable as the current source).
• Operation of protective relays and their complete control circuit shall be verified with the control circuit energized and the protective relay operated to a trip status via test trip current application to the relay.
• Remote control systems shall be tested to demonstrate proper operation under simulated conditions.
• Operation of key and electrical interlock systems shall be tested.
• ACPT’s shall be energized and operation of transfer schemes, when supplied, shall be verified under actual loss conditions.
• Operation of space heaters shall be tested with the heaters energized.
• Contactor interchangeability shall be demonstrated.
• High potential test of vacuum bottles to verify vacuum integrity.
• All current transformer ratios and polarities shall be verified per ANSI 57.13.1. The ratio shall be verified per the voltage or current method. Polarity shall be determined by the AC voltage test method. The DC voltage test method shall not be used to verify CT polarity. Unless specified otherwise, only current transformers used in bus or transformer differential schemes shall have their polarities verified.
• When a witness test is specified the Owner shall witness the complete testing of all items detailed in section 6.4 of this Practice and special tests as indicated on the Data Sheets and contract documents.

DRAWINGS AND DATA REQUIREMENTS

All drawings provided for this equipment shall show equipment as specified and ordered. Typical drawings are not acceptable, unless they are revised to show only the equipment being furnished. Drawings, test records, and manuals shall be supplied in the quantities shown on the Data Sheets.

• Information to be Supplied with Quotation

• Specific listing of any exceptions to those requirements specified.
• Equipment or features included but not necessarily specified.
• Sketches showing:
• Equipment layout/orientation with dimensions.
• Proposed one line diagram including CT’s, PT’s, CPT’s, and ACPT’s.
• Number of Days of Field Service allowed (when specified) and Cost Per Day.
• The proposal shall include a complete list of unit prices including the cost to add or delete any controller, and/or cubical vertical section.
• Complete lists and descriptive data of all equipment and accessories proposed shall be included and any components not manufactured by the Seller submitting the proposal shall be so noted as well as the Manufacturer and type proposed.
• Priced lists of normally recommended spare parts for the specified equipment shall be included in the quotation.
• Quote must be for equipment as specified, including any requested alternatives. Manufacturer recommended alternatives are encouraged and should be included in addition to the equipment as specified with separate cost adds/deducts.
• A complete description of field application/control and synchronization circuits, control and protective devices.
• Itemized list of unassembled equipment.
• Cost for witness testing, if specified.
• Information to be Submitted for Owner Approval after Receipt of Order
• Complete Structural Drawings showing:
• Arrangement and front panel layouts
• Dimensional plan and elevation, front view, and other elevation views if pertinent
• Conduit entrance locations and dimensions for both top and bottom entrance
• Bus bar locations and configurations
• Incoming and outgoing power cable terminator positions
• Purchaser’s wiring terminal block locations, and all other terminal block locations
• Identify all items that will require field assembly.
• Anchor bolt locations
• Grounding connections
• Weight of equipment
• Number, location and weight of shipping splits.
• Three Line Diagrams: Three line diagrams shall show all:
• Instrument and potential transformers
• Relays
• Meters and meter switches
• Auxiliary (station) CPT
• Other pertinent devices
• ANSI device function numbers shall be used throughout (ANSI Standard C37.2).
• ANSI Standard C37.11 shall be used for control diagrams

• Elementary Diagrams
• Elementary (schematic) diagrams shall be furnished for each different controller scheme and drawn to ANSI Standards.
• Each elementary diagram shall show all control devices and device contacts, each of which shall be labeled with its proper ANSI device function number.
• Detailed Connection (Wiring) Diagrams showing:
• All wiring within each unit
• All interconnecting wiring between units
• Identification of all terminal blocks
• Clear identification, by some distinguishing method, of ALL wiring which is to be installed by Owner. This shall include spare auxiliary contacts and relay contacts which shall be wired to terminal blocks for future use.
• Tabular wiring diagrams are not acceptable. Wiring diagrams as well as wire marks, devices and terminal blocks shall use an Owner approved destination address identification system.
• Detailed listing of all nameplates.
• Certified Information to be Supplied
• All information requested in paragraph 7.2 of this Practice.
• Installation, Maintenance and Operating Instructions: Installation, maintenance and operating instructions shall cover all the equipment furnished including all protective relays, curves of each relay and power fuse, auxiliary relays, etc.
• Material List: A material list shall be furnished listing the quantity, rating, type, and Manufacturer’s catalog number of all equipment in each unit,
• Test Reports for testing outlined in section 6.0 of this Practice.
• Spare Parts Listing
• Certified Information shall be provided in hard copy and/or electronically (Table 1) as indicated on the data sheet.

SPARE PARTS

A complete spare parts recommendation based on the total purchase order is required within 60 days after the Seller receives the purchase order. Spare parts recommendations shall include:

• A complete spare parts list, including parts location diagrams or drawings.
• Lists of priced spare parts as recommended by the Manufacturer to be on hand during plant start–up and the first year’s operation.

SHIPPING

• Preparation for Shipment shall be in accordance with the Manufacturer’s standard, unless otherwise noted on the ’Request for Quotation’ and/or Purchase Order. The Manufacturer shall be solely responsible for the adequacy of the ’Preparation for Shipment’ provisions employed in respect of materials and application, to provide materials to their destination in ex–works condition when handled by commercial carrier systems.

• When shipped separately, controllers shall be individually crated and tagged with their rating and model number.
• Relays shall be shipped installed in the stationary structures and shall be securely blocked and braced to prevent damage during shipment.
• Each “shipping section” of stationary structures shall be provided with a permanently–attached readily visible, identification tag.

10.0 TABLES

TABLE 1

CERTIFIED INFORMATION REQUIRED IN ELECTRONIC FORMAT

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