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بهره برداری از سیستم های قدرت

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بهره برداری از سیستم های قدرت - Substation Transformers
Substation Transformers چهارشنبه سیزدهم مرداد 1389 10:58

 

Functional Specification for Three-Phase Open Substation Distribution Transformers 112.5 – 10,000 kVA

 

1.0         Scope

 

1.1.        This specification covers the electrical and mechanical characteristics of 112.5 - 10,000 kVA Three Phase Open Substation Distribution Transformers.  Product is per Cooper Power System’s catalog section 210-16.

 

2.0         Applicable Standards

 

2.1.        All characteristics, definitions, and terminology, except as specifically covered in this specification, shall be in accordance with the latest revision of the following ANSI/IEEE, Department of Energy, and NEMA standards.

 

C57.12.00 – IEEE Standard for Standard General Requirements for Liquid-Immersed   Distribution, Power, and Regulating Transformers

 

C57.12.10 – Safety Requirements 230 kV and Below 833/958 Through 8333/10417 kVA, Single-Phase, and 750/862 Through 60000/80000/100000kVA, Three-Phase Without Load Tap Changing; and 3750/4687 Through 60000/80000/100000 kVA with Load Tap Changing.

 

C57.12.28 – Sections 5.3, 5.4, 5.5 – Coating System Requirements

 

C57.12.70 –  American National Standard Terminal Markings and Connections for Distribution and Power Transformers.

 

C57.12.80 –  IEEE Standard Terminology for Power and Distribution Transformers.

 

C57.12.90 –  IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers and IEEE Guide for Short-Circuit Testing of Distribution and Power Transformers.

 

C57.92 –        Guide for Loading Mineral-Oil-Immersed Power Transformers Up to and including 100 MVA with 65°C or 55°C Average Winding Rise.

NEMA TR 1-1993 (R2000) – Transformers, Regulators and Reactors, Table 0-2 Audible Sound Levels

 

NEMA 260-1996 (2004) – Safety Labels for Pad-Mounted Switchgear and Transformers Sited in Public Areas

 

10 CFR Part 431 – Department of Energy – Energy Conservation Program for Commercial Equipment: Distribution Transformers Energy Conservation Standards; Final Rule

                                                                                                                                                                

3.0         Ratings

 

3.1.        The transformer shall be designed in accordance with this specification and the kVA rating shall be:

 

112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7500, 10,000 (range may also be specified).

 

3.2.        The primary voltage and the basic lightning impulse insulation level (BIL) shall be in accordance with Table 1.

 

OR

 

The primary voltage and the basic lightning impulse insulation level (BIL) shall be specified on the data sheet.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 1

Transformer Ratings and Electrical

Characteristics

 

 

 

Transformer

 

 

 

Basic Impulse Insulation Level – BIL (kV)

Voltage Ratings (volts)

Distribution Transformers

Power Transformers

Secondary Voltages

208Y/120

480Y/277

575Y/332

600Y/347

690Y/398

240 Delta

480 Delta

240 Delta with 120 Mid-Tap

480 Delta with 240 Mid-Tap

30

45

Primary Voltages

2400 Delta

4160 Delta

4800 Delta

7200 Delta

12000 Delta

12470 Delta

13200 Delta

13800 Delta

14400 Delta

16340 Delta

34500 Delta

43800 Delta

4160GrdY/2400

8320GrdY/4800

12470GrdY/7200

13200GrdY/7620

13800GrdY/7970

22860GrdY/13200

23900GrdY/13800

24940GrdY/14400

34500GrdY/19920

43800GrdY/25300

 

60

60

60

75

95

95

95

95

95

95

150

-

60

75

95

95

95

125

125

125

150

-

 

60

75

75

95

110

110

110

110

110

110

200

250

75

95

110

110

110

150

150

150

200

250

** Note to Specifier – The above table is not meant to list every voltage available.

 

 

 

 

 

 

 

 

OR

 

3.3.        The transformer shall have a dual voltage primary to be reconnected with an externally operable, de-energized switch.  The voltage provided and the basic lightning impulse insulation level (BIL) shall be in accordance with Table 1.

 

OR

 

The applicable multiple voltage rating shall be specified on the inquiry.

 

3.4.        The secondary voltage shall be one of the above from Table 1.

 

3.4.1.   For a Secondary Unit Substation Transformer (Secondary voltage below 1000V):

 

3.4.1.1.       The secondary voltage and the basic impulse insulation level (BIL) shall be in accordance with the secondary voltages listed in Table 1 and shall be specified on the data sheet.

 

3.4.2.   For a Primary Unit Substation Transformer (Secondary voltage above 1000V):

 

3.4.2.1.       The secondary voltage and the basic lightning impulse insulation level (BIL) shall be in accordance with the primary voltages listed in Table 1 and shall be specified on the data sheet.

 

                                    OR

 

The secondary voltage and the basic lightning impulse insulation level (BIL) shall be specified on the data sheet.

 

3.5.        One of the following shall indicate the primary and secondary connections of the transformer.  If a special connection is required it shall be requested on the inquiry.

 

[ ]   Delta - Wye

For Delta - Wye configurations the low voltage neutral shall be a fully insulated Xo bushing.

 

[ ]   Delta - Delta

For Delta - Delta configurations the transformer shall be provided without a neutral bushing.

 

[ ]   Delta - Grounded Wye

For Delta - Grounded Wye configurations the low voltage neutral shall be a fully insulated Xo bushing.

[ ]   Grounded Wye - Wye

For Grounded Wye - Wye configurations the high voltage neutral shall be internally tied to the low voltage neutral and brought out as the HoXo bushing.

[ ]   Wye - Grounded Wye

For Wye - Grounded Wye configurations the high voltage neutral shall be brought out as the Ho bushing on the primary side and the low voltage neutral shall be brought out as the Xo bushing on the secondary side.

 

[ ]   Wye - Delta

For Wye - Delta configurations the high voltage neutral shall be brought out as the Ho bushing on the primary side.

 

3.6.        The transformer shall be furnished with full capacity high-voltage taps.  The tap changer shall be clearly labeled to reflect that the transformer must be de-energized before operating the tap changer as required in Section 4.3 of ANSI C57.12.34.  The tap changer shall be operable on the higher voltage only for transformers with dual voltage primaries.  The unit shall have one of the following tap configurations:

 

No Taps

Two – 2 ½% taps above and below rated voltage (split taps)

Four – 2 ½% taps below rated voltage (four below)

NEMA taps (14400, 13800, 13200, 12470, 12540)

Non-standard tap configuration

 

OR

 

The applicable tap configuration shall be specified on the inquiry

 

3.7.        The dielectric coolant shall be listed less-flammable fluid meeting the requirements of National Electrical Code Section 450-23 and the requirements of the National Electrical Safety Code (IEEE C2-2002), Section 15.  The dielectric coolant shall be non-toxic*, non-bioaccumulating and be readily and completely biodegradable per EPA OPPTS 835.3100.  The base fluid shall be 100% derived from edible seed oils and food grade performance enhancing additives.  The fluid shall not require genetically altered seeds for its base oil.  The fluid shall result in zero mortality when tested on trout fry *.  The fluid shall be certified to comply with the US EPA Environmental Technology Verification (ETV) requirements, and tested for compatibility with transformer components.  The fluid shall be Factory Mutual Approved, UL Classified Dielectric Medium (UL-EOUV) and UL Classified Transformer Fluid (UL-EOVK), EnvirotempÒ FR3 fluid.

            *(Per OECD G.L. 203)

 

3.8.        The transformer, filled with Envirotemp FR3, shall have a 65oC average winding temperature rise rating.  The above winding temperature rise shall not exceed 65oC when loaded at base kVA rating.

 

OR

 

The transformer, filled with Envirotemp FR3, shall have a 55/65oC average winding temperature rise rating.  The above winding temperature rise shall not exceed 55oC when loaded at base kVA rating.  The transformer shall provide an additional 12% capacity at the 65oC rating.

OR

 

The transformer, filled with Envirotemp FR3, shall have a 75oC average winding temperature rise rating.  The above winding temperature rise shall not exceed 75oC when loaded at base kVA rating.

 

OR

 

The transformer, filled with Envirotemp FR3, shall have a 55/75oC average winding temperature rise rating.  The above winding temperature rise shall not exceed 55oC when loaded at base kVA rating.  The transformer shall provide an additional 22% capacity at the 75oC rating.

 

3.9.        The percent impedance voltage, as measured on the rated voltage connection, shall be per ANSI C57.12.10.

 

3.10.     The transformer shall be cooled by the natural circulation of air over the tank surface and any corrugate or radiators if required, allowing only the base kVA rating shall be provided with Class KNAN.

 

OR

 

The transformer shall be cooled by the natural circulation of air over the tank surface, with an additional rating obtained by forced air circulated over the radiator or corrugate, shall be provided with KNAN/KNAF rated cooling including all control equipment, 15% for 750 kVA – 2000 kVA and 25% for 2500 kVA – 10MVA.

 

OR

 

The transformer shall be cooled by the natural circulation of air over the tank surface, with an additional rating obtained by forced air circulated over the radiator or corrugate, shall be provided with KNAN/KNAF rated cooling including all control equipment, 33% for 750 kVA – 10MVA.

 

OR

 

The transformer shall be cooled by the natural circulation of air over the tank surface, with future kVA capacity built into the cooling surfaces and conductors, shall be provided with KNAN/Future KNAF rated cooling. (750 kVA & above).

 

 

 

 

 

 

 

 

 

4.0         Construction

 

4.1.        The core and coil shall be vacuum processed to ensure maximum penetration of insulating fluid into the coil insulation system. While under vacuum, the windings will be energized to heat the coils and drive out moisture, and the transformer will be filled with preheated filtered degassed insulating fluid. The core shall be manufactured from burr-free, grain-oriented silicon steel and shall be precisely stacked to eliminate gaps in the corner joints. The coil shall be insulated with B-stage, epoxy coated, diamond pattern, insulating paper, which shall be thermally cured under pressure to ensure proper bonding of conductor and paper.

 

4.2.        Panel type radiators or corrugate type cooling are welded directly to the tank when additional cooling is required.  Detachable radiators are available as an option.

 

4.3.        The tank must be welded using precision cut, cold-rolled steel plate and equipped with extra-heavy duty, welded-in-place lifting lugs and jacking pads.  The tank base must be designed to allow skidding or rolling in any direction.

 

4.4.        The transformer shall be of sealed tank construction of sufficient strength to withstand a pressure of 7 psig without permanent distortion, and 15 psig without rupturing.

 

4.5.        The tank shall include a pressure relief device as a means to relieve pressure in excess of pressure resulting from normal operation.  The venting and sealing characteristics shall be as follows:

 

Cracking Pressure:  10 psig +/-2 psig

Resealing Pressure:  6-psig minimum

Zero leakage from reseal pressure to -8 psig

Flow at 15 psig:  35 SCFM minimum

 

4.6.        The tank shall be cleaned with an alkaline cleaning agent to remove grease and oil.  An iron phosphate coating shall then be chemically bonded to the metal to assure coating adhesion and retard corrosion.  The tank shall be primed with an electrodeposited powder epoxy to provide a barrier against moisture, salt, and corrosives.  The tank shall then be coated with an electrostatically-applied, oven-cured polyester powder coat to enhance abrasion and impact resistance.  The top-coat shall be a liquid polyurethane coating to seal and add ultraviolet protection.  The tank coating shall meet all requirements in ANSI C57.12.28 – latest revision.

 

4.7.        The tank shall be complete with an anodized aluminum laser engraved nameplate.  This nameplate shall meet ANSI C57.12.00 for Nameplate B.

 

 

 

 

 

 

 

4.8.        High Voltage Bushings and Terminals

 

4.8.1.               The transformer shall be provided with three (3) cover-mounted electrical grade wet process porcelain high voltage bushings rated for full three-phase duty with either a two-hole spade or an eyebolt connector.  TBI style, condenser type bushings are available as an option.  The high voltage bushings shall be mounted in Segment 2, Segment 3, or Segment 4 of the transformer.

 

OR

 

The applicable bushing configuration shall be specified on the inquiry.

 

4.9.        Low Voltage Bushings and Terminals

 

4.9.1.                   The transformer shall be provided with three (3) cover-mounted electrical grade wet process porcelain high voltage bushings rated for full three-phase duty with either a two-hole spade or an eyebolt connector.  TBI style, condenser type bushings are available as an option.  The high voltage bushings shall be mounted in Segment 1, Segment 2, or Segment 4 opposite of the high voltage configuration.

 

OR

 

The applicable bushing configuration (phasing) shall be specified on the inquiry.

 

4.10.     Overcurrent Protection and Switching

 

4.10.1.                The optional overcurrent protection scheme provided with the transformer shall consist of one of following attributes. If for any reason a special protection scheme is required it shall be clearly stated on the inquiry.

 

[ ]         The high-voltage overcurrent protection scheme provided with the transformer shall be a loadbreak Bay-O-Net assembly with a flapper valve to minimize oil spillage.  Overcurrent protection shall be provided by a Bay-O-Net expulsion fuse mounted in series with partial range under-oil ELSP current-limiting fuses with an interrupting rating of 30,000 A.

 

            OR

 

[ ]         The transformer primary shall include a Vacuum Fault Interrupter (VFI).  The VFI shall have a maximum interrupting rating of 12,000 A RMS symmetrical with resettable fault protection up through 35 kV.  The VFI shall also include a Tri-Phase electronic breaker control with over 100 minimum trip settings and 5 selectable time current curves.  The trip settings curve shall be clearly stated on the inquiry.        

 

 

4.11.     Overvoltage Protection

 

4.11.1.                The overvoltage protection scheme provided with the transformer shall consist of one of the following attributes.  If for any reason a special protection scheme is required it shall be clearly stated on the inquiry.  Note: Arresters are mounted on brackets affixed to the cover of the transformer.

 

[ ]         Primary overvoltage protection shall be provided by externally mounted, Heavy-Duty Distribution Class MOV arresters.

 

[ ]         Primary overvoltage protection shall be provided by externally mounted, Station Class MOV surge arresters.

 

[ ]         Primary overvoltage protection shall be provided by Under Oil, Heavy-Duty MOV Distribution Class arresters.

 

[ ]         Provisions for Arresters.

           

OR

 

[ ]         Primary overvoltage protection shall consist of elbow type MOVE arresters in conjunction with deadfront bushing wells and inserts.

 

5.0         Finish Performance Requirements

 

5.1.        The tank coating shall meet all requirements in ANSI C57.12.28 including:

 

·            Salt Spray

·            Crosshatch adhesion

·            Humidity

·            Impact

·            Oil resistance

·            Ultraviolet accelerated weathering

·            Abrasion resistance – taber abraser

 

 

 

 

 

 

 

 

 

 

 

 

 

6.0         Production Testing

 

6.1.        All units shall be tested for the following:

 

·            No-Load (85°C or 20°C) losses at rated current

·            Total (85°C) losses at rated current

·            Percent Impedance (85°C) at rated current

·            Excitation current (100% voltage) test

·            Winding resistance measurement tests

·            Ratio tests using all tap settings

·            Polarity and phase relation tests

·            Induced potential tests

·            Full wave and reduced wave impulse test

 

6.2.      Minimally, transformers shall conform to efficiency levels for liquid immersed distribution transformers, as specified in Table I.1 of the Department of Energy ruling.  “10 CFR Part 431 Energy Conservation Program for Commercial Equipment: Distribution Transformers Energy Conservation Standards; Final Rule; October 12, 2007.”  Manufacturer shall comply with the intent of all regulations set forth in noted ruling.  This efficiency standard does not apply to step-up transformers.

 

6.3.      In addition, the manufacturer shall provide certification upon request for all design and other tests listed in C57.12.00, including verification that the design has passed short circuit criteria per ANSI C57.12.00 and C57.12.90.

 

6.4.      In the event of proposal bid evaluated with guaranteed losses due to a loss evaluation (see section 11.0), manufacturer shall conform to guaranteed average losses as specified in ANSI C57.12.00.  The no-load losses of a transformer shall not exceed the specified no-load losses by more than 10%, and the total losses of a transformer shall not exceed the specified total losses by more than 6%.

 

7.0         Approved Manufacturers

 

7.1.        Cooper Power Systems—Waukesha WI

 

 

 

 

 

 

 

 

 

 

 

 

 

8.0         Accessories

 

8.1.        The following standard accessories and options shall be provided:

 

·            De-energized Tap Changer

·            1.0” Upper Fill Plug with Filter Press Connection

·            1.0” Drain/Sampling Valve

·            Cover Mounted Automatic Pressure Relief Device

·            Welded Cover with Bolted Manhole

·            Lifting Lugs (4)

·            Liquid Level Gauge

·            Dial Type Thermometer

·            Pressure/Vacuum Gauge

·            SS Ground Pads (4)

 

9.0         Optional Accessories

 

9.1.        The following optional accessories and options may be provided if specified:

 

[ ]         Low Voltage 6-Hole Spade

[ ]         Low Voltage 12-Hole Spade

[ ]         Copper Low Voltage Bushings (standard with all-copper windings)

[ ]         Bleeder Valve (Standard on 2500kVA and above)

[ ]         Nitrogen Blanket with Bleeder and Purge Valve

[ ]         Touch-up Paint (aerosol cans)

[ ]         NEMA 4 Control Box (standard with forced air fan cooling package and required for auxillary contacts or rapid rise relay)

[ ]         NEMA 4X Control Box (stainless steel)

[ ]         NEMA 7 Control Box (explosion proof)

[ ]         Rapid Pressure Rise Relay

[ ]    Seal-In Panel for Rapid Pressure Rise Relay

[ ]         Forced Air Fan Control Package

[ ]         Winding Temperature Indicator

[ ]         Auxiliary Contacts for Liquid Level Gauge

[ ]         Auxiliary Contacts for Dial Type Thermometer (standard with fan package)

[ ]         Auxiliary Contacts for Pressure/Vacuum Gauge

[ ]         Auxiliary Contacts for Pressure Relief Device

[ ]         Globe Type Upper Fill Valve

 

10.0      Special Features

 

10.1.     The following special features may be provided if specified:

 

[ ]         All Copper Windings

[ ]         Primary Air Disconnect Switch

[ ]         1200A Loadbreak Rating (requires 1200A copper bus bar)

[ ]         Outer Front Door (covers viewing area and switch)

[ ]         Key Interlocks for interlocking switch with secondary

[ ]         Porcelain Bus Insulators

[ ]         Copper Bus Transition to Transformer (required for 600A and greater)

[ ]         Auxiliary Switch (remote indication of primary switch position)

[ ]         Line-side Bus (bottom entry only)

[ ]         Thermostat for Space Heater

[ ]         Vacuum Fault Interrupter, 600A Continuous, 12000A RMS Interrupting

[ ]         Dead Front HV Termination

[ ]         Loop Feed

[ ]         Radial Feed

[ ]         Stainless Steel Cabinet

[ ]         Tank Base

[ ]         Primary Enclosure

[ ]         Secondary Enclosure

[ ]         Cooling    

                    [ ]         Mild Steel Radiators

                                [ ]         Welded

                                [ ]         Removable

                    [ ]         Stainless Steel Radiators

                                [ ]         Welded

                                [ ]         Removable

                    [ ]         Galvanized Steel Radiators (removable and unpainted)

[ ]         K-Factor Transformer

[ ]         Positive Nitrogen Pressure Oil Preservation System

[ ]         Current Transformers for Relaying/Metering

[ ]         Containment Pan for indoor use for 100% fluid containment

[ ]         Factory Mutual (FM) Approved transformer (for NEC Code-listed installations on, near, or inside of buildings)

[ ]         UL Listed and Classified transformer (for NEC Code-listed installations on, near, or inside of buildings) per UL XPLH

[ ]         UL Listed transformer (certifying compliance with ANSI standards only) per UL XPLH

 

 

 

 

 

 

 

 

11.0      Optional Transformer Evaluation

 

[ ]         No unit evaluation, but include quote losses as reference only on bid.

[ ]         Unit loss evaluation, guaranteed average losses.  Criteria to properly evaluate quoted losses:

·         Core loss evaluation (A-factor) ____ $/watt

·         Winding loss evaluation (B-factor) ____ $/watt

(Cooper may be contacted for sample loss evaluation method)        

 

12.0      Shipping

 

12.1.     Transformers shall be loaded and unloaded with overhead cranes.

 

13.0        Data With Proposal

 

13.1.     The following data shall be submitted with the proposal:

 

·            Core losses (when requested per Sections 6.4 and 11.0).

·            Winding losses (when requested per Sections 6.4 and 11.0).

·            Percent Impedance

·            Typical bid drawing

 

13.2.     The following checked data shall be submitted with the proposal:

 

[ ]    Exciting Current @ 100% and 110% rated Voltage.

[ ]    Efficiencies must be provided at loading levels of 100%, 75%, 50%, and 25%.

[ ]    Percent regulation must be provided at 0.8 PF and 1.0 PF.

 

14.0      Drawings

 

14.1.     The following will be provided by request after receipt of order:

 

[ ]    Construction Drawings

[ ]    Record Drawings

[ ]    Approval Drawings

[ ]    CAD Drawings on diskette

[ ]    CD available upon request

 

15.0      Service

15.1.     The manufacturer of the transformer shall have regional service centers located within 2 hours flight time of all contiguous 48 states. Service personnel shall be factory trained in commissioning and routine service of quoted transformers.

 

 


 

16.0 TRANSFORMER DATA SHEET 112.5-10000kVA

THREE-PHASE UNIT SUBSTATION DISTRIBUTION TRANSFORMER

 

In the case of contradictory specifications, this Data                              Customer_________________________

Sheet takes precedence over the Specification.                          Project ___________________________

                                                                                                Inquiry No.________________________

                                                                                                General Specification No.  ___________

                                                                                                By___________________Date ________

                                                                                                Rev.#________________Date_________

ITEM_______OF_______

 

Scope: [ ] Outdoor

            [ ] Outdoor, on or adjacent to building

            [ ]  Indoor

 

kVA:______________     [ ] 60Hz             [ ] 50Hz

 

Temperature Rise:         [ ] 65°C

                                    [ ] 75°C

                                    [ ] 55/65°C

                                    [ ] 55/75°C (KNAN only)

 

Special Altitude: _____________ft (m)

 

Cooling Class:  [ ] ONAN (KNAN)

                        [ ] ONAN/ONAF (KNAN/KNAF) 15% or 25% Capacity

                        [ ] ONAN/ONAF (KNAN/KNAF) 33% Capacity

                        [ ] ONAN/ONAF (Future) (KNAN/KNAF (Future))

 

Liquid Type:      [ ] Envirotempâ FR3 Fluid

                        [ ] Oil

 

Primary Voltage:  ____________f-f V                 BIL:  _________kV [ ] Aluminum  [ ] Copper

 

Connection:      [ ] Delta - Wye

                        [ ] Delta - Delta

                        [ ] Delta - Grounded Wye

                        [ ] Grounded Wye - Delta

                        [ ] Grounded Wye - Grounded Wye

                        [ ] Grounded Wye - Wye

 

Primary Taps:    [ ] None

                        [ ] 2 @ +/-21/2%

                        [ ] 4 @ - 21/2%

                        [ ] NEMA Taps

                        [ ] Other:  _______________

 

Secondary Voltage: ________f-f V                    BIL:  _________kV [ ] Aluminum  [ ] Copper

 

Impedance: ________    [ ] ANSI Standard  [ ] Minimum   [ ] Maximum  [ ]+/-7.5% Tolerance

 

 

 

Loss Evaluation:           [ ] Efficiency per DOE (10CFR Pat 431)

[ ]  Dollars/Watt (No Load): ____________

                                    [ ]  Dollars/Watt (Load): _______________

 

Primary Location:          Cover Mounted

 

                                    [ ] Segment 2    [ ] Segment 3    [ ] Segment 4   

 

Primary Bushings:         [ ] Eyebolts

                                    [ ] 2-Hole Spade

                                    [ ] TBI Style Bushings

 

Secondary Location:     Cover Mounted

 

                                    [ ] Segment 1    [ ] Segment 2    [ ] Segment 4

 

Secondary Bushings:    [ ] Eyebolts

[ ] 2-Hole Spade

[ ] 6-Hole Spade

                                    [ ] 12-Hole Spade

                                    [ ] TBI Style Bushings

 

Primary Overcurrent Protection:

                                    [ ] Vacuum Fault Interrupter

                                                Time Current Curve:       [ ] EF   [ ] TF   [ ] KF   [ ]  [ ] H

                                                [ ] TPG Control

                                                [ ] TPG Control w/SCADA

                                                [ ] IDEA iDp-210 Feeder Protection Relay (Cooper Power Systems)

 

Arresters:          [ ] Heavy Duty MOV Distribution Class Arrester

[ ] MOV Intermediate Class Arrester

                        [ ] Station Class Arrester

                        [ ] Arrester Mounting Provisions

 

Arrester Duty Cycle Rating: _________kV

 

Optional Accessories:   [ ] Copper Low Voltage Bushings (standard with all-copper windings)

                                    [ ]  Bleeder Valve (standard on 2500kVA and above)

                                    [ ]  Nitrogen Blanket with Bleeder and Purge Valve

[ ]  NEMA 4 Control Box (standard with forced air fan cooling package and required for auxiliary contacts or rapid rise relay)

[ ]  NEMA 4X Control Box (stainless steel)

[ ]  NEMA 7 Control Box (explosion proof)

                                    [ ]  Rapid Pressure Rise Relay

                                                [ ]         Seal-In Panel for Rapid Pressure Rise Relay

                                                            [ ] 120VAC   [ ] 240VAC    [ ] 24VDC    [ ] 48VDC    [ ] 125VDC

                                    [ ]  Forced Air Fan Control Package

                                    [ ] Winding Temperature Indicator

                                    [ ] Auxiliary Contacts

                                                [ ] Liquid Level Gauge

                                                [ ] Dial Type Thermometer (standard with fan package)

                                                [ ] Pressure/Vacuum Gauge

                                                [ ] Pressure Relief Device

                                    [ ]  Globe Type Upper Fill Valve

                                    [ ]  Touch-up Paint (aerosol cans)

 

Special Features:                      [ ]  Stainless Steel Cabinet

                                                [ ]  Tank Base

                                                [ ]  Primary Enclosure

                                                [ ]  Secondary Enclosure

                                    [ ]  Cooling

                                                [ ]  Mild Steel Radiators

                                                            [ ]  Welded

                                                            [ ]  Removable

                                                [ ]  Stainless Steel Radiators

                                                            [ ]  Welded

                                                            [ ]  Removable

                                                [ ]  Galvanized Steel Radiators (removable and unpainted)

                                    [ ]  Positive Nitrogen Pressure Oil Preservation System

                                    [ ]  K Rated Transformer                   [ ] K4         [ ] K9       [ ] K13    [ ] K20

                                    [ ]  Current Transformers                        [ ]  Relaying                  [ ]  Metering

                                    Quantity___    Bushing_______  Ratio_______    Accuracy Class___

[ ]  IDEA iXP-420 Differential Protection Relay (Select appropriate Current Transformers for Application)

 

Colors: [ ]  ANSI #61 Light Gray

            [ ]  ANSI #70 Sky Gray

            [ ]  Standard Munsell No. 7GY3.29/1.5 Green

            [ ]  ANSI #24 Dark Blue Gray

            [ ]  ANSI # 49 Medium Gray

            [ ]  Other: ____________________________

 

Testing:            [ ]   Routine  (ANSI Standard)

            [ ]   Special:      ________________________________________________

                                    ________________________________________________

                                    ________________________________________________

            [ ]   Certified Test Results

 

Drawings:         [ ]   Approval

                        [ ]   Record

                        [ ]   CAD Drawings on CD

 

 

Mail Drawings To:

_____________________________

_____________________________

_____________________________

Attn.:  ________________________

 

 

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