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Circuit-breaker

VD4G-25

VD4G-40

Standards

IEC/IEEE 62271-37-013

•

Rated voltage

Ur [kV]

Rated insulation voltage

Us [kV]

Withstand voltage at 50 Hz

Rated value

Ud (1 min) [kV] 38

Impulse withstand voltage

Rated value

Up [kV]

Rated frequency

fr [Hz]

50-60

Rated current (40° C)

Ir [A]

1250

2000

3150

4000 (1)

Rated breaking capacity (system-source)

Symmetrical short-circuit current

IscSFF [kA]

DC component of breaking capacity

Symmetrical short-circuit current (system-
source)

IascSFF [kA]

36.5

58.5

Rated breaking capacity (generator-source)

Symmetrical short-circuit current

IscGFF [kA]

DC component of breaking capacity Class G1

(generator-source)

110

Symmetrical short-circuit current Iscg Class G2

(generator-source)

IscGFF [kA]

DC component of breaking capacity Class G2

(generator-source)

130

Rated breaking current under out-of-phase conditions

Rated symmetrical short-circuit current

IscOOP [kA]

12.5

DC component of breaking current

Making current

Ip [kA]

68.5

115

Rated operating sequence during short-circuit interruption

CO-10 min-CO

Short-time withstand current (3s)

Ik [kA]

Opening time

[ms]

33...60

Maximum arcing time (generator-source fault - 130% DC

component at contact separation)

[ms]

Closing time

[ms]

30...60

Maximum
overall
dimensions

H [mm]

461

730

636

W [mm]

450

853

750

D [mm]

424

643

459

Pole center-distance P [mm]

150

210

275

Weight

[kg]

190

205

221

Standardized dimensions table

1VCD003891

1VCD000234

1VCD000243

1VCD000244

Operating temperature

[°C]

- 5 ... + 40

(1) 4000

A with forced ventilation

P P

—

5. Description

5.5.1. Types of withdrawable circuit-breakers available

General characteristics of withdrawable circuit-breakers
for UniGear ZS1 (15 kV) switchgear

V D4 G

I N S TA L L AT I O N A N D O P ER AT I N G I N S T R U C T I O N S

Содержание VD4G-25

Страница 1: ...ck that all the installation service and maintenance operations comply with the regulations and laws in force so as to ensure that the installations are constructed in accordance with the rules of good workmanship and safety in the work place Strictly comply with the instructions in this manual Responsible behavior safeguards your own and others safety Please contact the ABB Assistance Service for...

Страница 2: ...on coordination studies etc especially regarding any variants requested in relation to the standard configurations Only use original spare parts for maintenance operations Please also consult the technical catalog of the circuit breaker and the spare parts catalog for further details All the installation putting into service running and maintenance operations must be carried out by suitably qualif...

Страница 3: ...ecial packing in the open position and with the spring discharged Each piece of apparatus is protected by a plastic cover to prevent water from infiltrating during the loading and unloading stages and to keep the dust off during storage MEDIUM VOLTAGE PRODUCTS 3 ...

Страница 4: ...ecified at the time of ordering and validated in the order confirmation sent by ABB The following documents accompany the apparatus when it is shipped instruction manual this document test certificate identification label copy of the shipping documents circuit diagram Other documents sent prior to shipment of the ap paratus are order confirmation original shipping notification any drawings or docu...

Страница 5: ...riginal packing materials Insert at least one standard packet of special hygroscopic substance inside the packing of each piece of apparatus Should the original packing no longer be available and the apparatus cannot be installed immediately it should be stored indoors in a well ventilated dry dust free non corrosive environment well away from any easily flammable materials and at a temperature be...

Страница 6: ...se the lifting equipment 1 and remove the supports 3 from the frame When handling the apparatus take great care to prevent the insulating parts and terminals of the circuit breaker from being stressed Do not handle the apparatus by inserting lifting devices directly under it If this technique is unavoidable place the circuit breaker on a pallet or a sturdy supporting surface see fig 3 In any case ...

Страница 7: ...uit breakers conform to standard IEC IEEE 62271 37 013 5 3 EL operating mechanism VD4G circuit breakers are equipped with an EL type spring operating mechanism The EL operating mechanism is designed for the range of circuit breakers listed in the table Type of operating mechanism Breaking capacity EL2 25 kA EL1 TWIN 40 kA up to 2000 A rated current EL2 TWIN 40 kA 2500 A rated current 5 4 Fixed cir...

Страница 8: ...rce 110 110 Symmetrical short circuit current Iscg Class G2 generator source IscGFF kA 16 25 DC component of breaking capacity Class G2 generator source 130 130 Rated breaking current under out of phase conditions Rated symmetrical short circuit current IscOOP kA 12 5 20 DC component of breaking current 74 74 Making current Ip kA 68 5 115 Rated operating sequence during short circuit interruption ...

Страница 9: ...shbutton operation counter set of ten auxiliary contacts for circuit breaker open closed lever for manual loading of closing spring VD4G 40 15 kV 40 kA SFF 25 kA GFF VD4G 25 15 kV 25 kA SFF 16 kA GFF VD4G 15 kV fixed circuit breaker Type of circuit breaker Ur Isc Rated interrupted current 40 C A kV kA H 461 H 610 H 636 H 636 D 424 D 459 D 459 D 459 P 150 P 210 P 275 P 275 W 450 W 600 W 750 W 750 1...

Страница 10: ...ters of UniGear PowerCube switchgear 10 Truck 11 Locks for latching to fixed part 12 Strikers for operating contacts in enclosure 13 Connector plug 14 Wiring connection 15 Operating lever for circuit breaker racking in out 16 Lock operating handles 11 17 Wheels for moving segregation shutters Fig 5a The locks can only be operated by the handles when the truck rests completely against the cross bea...

Страница 11: ...16 19 20 22 21 23 29 30 Fig 5c Fig 5d MEDIUM VOLTAGE PRODUCTS 11 ...

Страница 12: ...ass G2 generator source 130 130 Rated breaking current under out of phase conditions Rated symmetrical short circuit current IscOOP kA 12 5 20 DC component of breaking current 74 74 Making current Ip kA 68 5 115 Rated operating sequence during short circuit interruption CO 10 min CO Short time withstand current 3s Ik kA 25 40 Opening time ms 33 60 Maximum arcing time generator source fault 130 DC ...

Страница 13: ...aker Ur Isc Rated interrupted current 40 C A kV kA H 632 H 691 H 730 H 735 D 664 D 643 D 643 D 650 P 150 P 210 P 275 P 275 W 503 W 681 W 853 W 851 15 25 1250 VD4G P 25 15 12 25 p150 40 2000 VD4G P 40 15 20 40 p210 40 2000 VD4G P 40 15 20 40 p275 40 3150 1 VD4G P 40 15 32 40 p275 1 4000 A with forced ventilation MEDIUM VOLTAGE PRODUCTS 13 ...

Страница 14: ...BB STU functionality control device see accessory 19 supplied on request Characteristics Un 48 110 125 220 250 Vdc Un 110 125 220 250 Vac Operating limits in accordance with IEC IEEE 62271 37 013 Power at inrush Ps 60 100 W VA Continuous power consumption Pc 1 5 W Electronics self consumption no coil supplied value independent of voltage applied 1 5 mA Opening time 33 60 ms Insulation voltage 2000...

Страница 15: ...sing release MBC and under voltage release MBU and the circuit breaker must close automatically when auxiliary voltage returns there must be a delay of at least 50 ms between under voltage release energiz ing and energizing of the shunt closing release to al low the closing operation to take place Continuity functionality can be checked with a con tinuity control device CCC opening circuit supervi...

Страница 16: ...rises 10 auxiliary contacts Note The following are available with the standard group of ten auxiliary contacts and the maximum number of electrical accessories for fixed circuit breakers three closing contacts a for signaling circuit breaker open and five opening contacts b for signaling circuit breaker closed for plug in circuit breakers three closing contacts a for signaling circuit breaker open...

Страница 17: ...0 ms 1 8 A Electrical specifications according to IEC 60947 Rated voltage Un Breaking capacity 10000 breaks 220 V A C Cosj 0 70 20 A 220 V A C Cosj 0 45 10 A 24 V D C 1 ms 12 A 15 ms 9 A 50 ms 6 A 60 V D C 1 ms 10 A 15 ms 6 A 50 ms 4 6 A 110 V D C 1 ms 7 A 15 ms 4 5 A 50 ms 3 5 A 220 V D C 1 ms 2 A 15 ms 1 7 A 50 ms 1 5 A 250 V D C 1 ms 2 A 15 ms 1 4 A 50 ms 1 2 A 8 Transient contact BGB4 This con...

Страница 18: ...ransmitted contacts in truck BGT1 BGT2 Transmitted contacts of withdrawable circuit breaker installed in circuit breaker truck only for withdrawable circuit breaker VD4G P These contacts are additional or alternative to the position contacts for signaling circuit breaker withdrawn in the cubicle They also act as position contacts BGT3 Contacts BGT1 and BGT2 have the same general and electrical cha...

Страница 19: ... IEEE 62271 37 013 Inrush power input Ps VD4G 25 VD4G 40 D C 600 W A C 600 VA D C 900 W A C 900 VA Rated power Pn D C 200 W A C 200 VA D C 350 W A C 350 VA Inrush time 0 2 s 0 2 s Loading time 6 7 s 6 7 s Insulation voltage 2000 V 50 Hz for 1 min 2000 V 50 Hz for 1 min 12 Closing spring loaded discharged signaling contacts BGS2 Consists of a microswitch allowing remote signaling of the state of th...

Страница 20: ... required Characteristics Un 48 110 125 220 250 Vdc Un 110 125 220 250 Vac Operation limits in accordance with IEC IEEE 62271 37 013 Power ai inrush Ps D C 250 W A C 250 VA Continuous power Pc D C 5 W A C 5 VA Inrush time 150 ms Insulation voltage 2000 V 50 Hz for 1 min 16 Interlock for fixed circuit breaker Device for fixed circuit breakers converted into plug in by the customer Allows the custom...

Страница 21: ...ated truck MAT Allows the circuit breaker to be racked in and out of the switchgear by remote control only for circuit breakers in the withdrawable version for UniGear ZS1 and ZS8 4 switchgear and PowerCube modules The motor operated version with clutch can be ordered on request so that racking in out can be performed in an emergency if the truck motor fails to operate Characteristics Un 24 30 48 ...

Страница 22: ...V AC and DC as well as the functionality of the release s electronic circuit The continuity test is performed cyclically with a 20 second interval between one test and the next The unit has optical LED indicators on the front The following information is given POWER ON power is being supplied MO TESTING test is being performed TEST FAILED this signal is given after a test has failed or when there ...

Страница 23: ...f it is impossible to establish whether the circuit breaker is open or closed it must be considered closed and live to all effects In this case none the high voltage connections towards the primary side of the circuit breaker must be supplied and all must be potential free This condition must be confirmed before any tests maintenance work repairs and successive putting into service operations are ...

Страница 24: ...s for electrical operation gearmotor for automatic loading of closing spring shunt closing release shunt opening release The gearmotor automatically reloads the spring after each closing operation until the yellow indicator appears 7 If there is a power failure during the loading operation the gearmotor stops and automatically continues to load the spring once the power returns However it is alway...

Страница 25: ... 90 1 1 Fig 7a Fig 7b MEDIUM VOLTAGE PRODUCTS 25 ...

Страница 26: ...additional ventilation Climate To avoid the risk of corrosion or other damage in areas with a high level of humidity and or rapid and extensive temperature variations take appropriate steps for example by using electric heaters to prevent condensation from forming Please contact ABB for special installation requirements or other types of operating conditions The areas through which power conductor...

Страница 27: ...ng into service for the first time always load the circuit breaker operating mechanisms in the manual mode to avoid overloading the auxiliary supply circuit 7 5 1 Circuit breakers with motor operated withdrawable trucks Perform the racking in out test for the motor operated truck in the same way as the manual truck and comply with the following instructions Rack the circuit breaker into the switch...

Страница 28: ...th a fine file or emery cloth Fully tighten and smear 5RX Moly grease over the contact surfaces Copper or silver plated aluminium Clean with a rough dry cloth Only if there are traces of oxidation that are difficult to shift clean with ultra fine grain emergy cloth and take care not to remove the surface layer Repeat the surface treatment if necessary Bare aluminum Clean with a metal brush or emer...

Страница 29: ...area around the screw over a diameter of about 30 mm and after assembly cover the joint with Vaseline grease Use a conductor busbar or braid with a cross section conforming to the Standards in force 7 8 Connection of auxiliary circuits Note the minimum cross section of the wires used for the auxiliary circuits must not be less than the section used for internal cabling The wires must also be insul...

Страница 30: ...following operations before putting the circuit breaker into service make sure that the power connections to the circuit breaker terminals are tight establish the setting of the electronic primary overcurrent release if applicable make sure that the value of the voltage supplied to the auxiliary circuits is between 85 and 110 of the rated voltage of the electrical applications make sure that there...

Страница 31: ... release if provided Close circuit breaker and supply shunt opening release at relative rated voltage Circuit breaker opens correctly Signals are normal 7 Shunt closing release if provided Open circuit breaker and supply shunt closing release at relative rated voltage Circuit breaker closes correctly Signals are normal 8 Key lock if applicable Open circuit breaker press and hold opening pushbutton...

Страница 32: ...ters up to 30 000 mechanical operations actuator and transmission system up to 30 000 operations under normal operating conditions depending on the type of circuit breaker and with regular maintenance see sect 9 3 2 racking in out can be performed up to 1000 times if the operations are carried out correctly as required by standard IEC 60271 200 the operating life data are basically applicable to a...

Страница 33: ...aces etc to make sure that they are properly lubricated Make sure that the electrical and mechanical operation of the various devices is correct especially the interlocks The screws and nuts are tightened in the factory and correct tightening is indicated by a coloured mark No further tightening operations should be required during the operating life of the circuit breaker However if the screws or...

Страница 34: ...ails Note These operations can only be carried out by ABB personnel or by skilled and specifically trained personnel 9 2 3 Circuit breaker pole No further inspections are necessary beyond those already described in sect 9 2 1 9 2 4 Withdrawable assembly truck and circuit breaker Visually inspect the components especially those which may have been damaged by incorrect operations also consult chap 8...

Страница 35: ...turn off the power supply and ensure safe conditions in the work area by complying with the safety regulations specified in the IEC DIN VDE standards open the circuit breaker earth one terminal of each circuit breaker pole connect earth terminal of VIDAR tester to structure of circuit breaker connect high voltage terminal of VIDAR tester to terminal of circuit breaker pole not connected to earth L...

Страница 36: ...ated service voltage application of withstand voltage at power frequency according to the IEC 62271 100 and VDE 0670 standards is safe voltage higher than the withstand voltage at power frequency or than a direct current test voltage specified in the IEC and VDE standards cannot be applied in interrupters with open contacts limitation of the above mentioned local phenomena depends on maintaining t...

Страница 37: ...s for the circuit breaker refer to the ordering codes indicated in the technical catalog and always state the following type of circuit breaker rated voltage of circuit breaker rated thermal current of circuit breaker breaking capacity of circuit breaker serial number of circuit breaker rated voltage of any electrical spare parts Please contact our Service office to check on availability and to or...

Страница 38: ... N Aux Switch manual truck for withdr UniGear 1VCD400155 2 VD4G P 25 VD4G P 40 K N Aux Switch with motorized truck for withdr UniGear 1VCD400156 2 VD4G P 50 with manual truck for withdr UniGear GCE2132701P0102 1 Electrical diagrams designations according to IEC 61346 1 IEC 61346 2 2 Electrical diagrams designations according to IEC 81346 1 IEC 81346 2 1VB2009123 Comparison of designations to VDE D...

Страница 39: ...EL UNIGEAR ZS1 W 650 636 44 5 220 25 19 12 5 14 605 653 14 4 689 320 25 302 359 590 382 52 21 5 19 5 76 165 310 281 698 119 119 10 37 110 123 642 23 314 20 26 16 4 11 210 210 29 359 590 302 550 626 640 650 C B Type U In Isc Iscg Id O M Execution VD4G 40 15 kV 2000A 40 kA 25kA 20kA EL1 Twin Unigear Powercube Fixed circuit breakers Fixed circuit breakers VD4G P 25 TN 1VCD000233 Ur 15 kV Ir 1250 A Is...

Страница 40: ... 119 119 11 12 20 40 24 4xM12 Deep 25 2xM10 Deep 18 8 C B Type U In Iss O M Execution VD4G 40 15 kV 2000 A 50 kA EL1 Twin Unigear Powercube 750 396 634 58 429 28 5 28 5 49 30 16 56 15 97 435 171 275 275 3 119 119 474 440 0 8 32 69 270 84 424 609 238 310 77 5 119 99 24 40 40 24 20 98 M12 Deep 25 M10 Deep 18 Fixed circuit breakers Fixed circuit breakers 13 Overall dimensions 40 VD4G INSTALL ATION AN...

Страница 41: ...32 475 69 270 84 423 435 0 8 24 77 5 119 119 310 237 5 119 240 454 69 2 5 118 40 40 20 8 4xM12 deep 25 2xM10 deep 20 12 C B Type U In Iss O M VD4G 40 15 kV 3150 4000 A 50 kA EL2 Twin 880 853 19 13 5 842 230 48 689 681 695 374 144 275 275 750 806 836 310 280 29 89 359 302 123 110 416 590 164 19 5 21 5 320 34 52 331 313 698 20 4 C B Type U In Iss O M Execution VD4G P 40 15 kV 2000 A 40kA EL1 Twin Un...

Страница 42: ...11 95 310 1 678 165 1 89 29 52 743 130 240 118 10 733 478 39 76 150 553 1 5 4 275 275 836 850 806 591 357 31 750 4 303 C B Type U In I System Source I Generator Source I Out of Phase O M Cubicle VD4G P 40 15 kV 3150A 40kA 25kA 20kA EL UNIGEAR ZS1 W 1000 VD4G P 40 4000A UNIGEAR ZS1 W 1000 Withdrawable circuit breakers Withdrawable circuit breakers VD4G P 40 TN 1VCD000244 Ur 15 kV Ir 3150 A 4000 A I...

Страница 43: ...rds ABB provides skills and assistance to facilitate the recycling and disposal process for products at the end of their life Compliance with the local regulations when disposing of products is always mandatory Disposal methods The products can be disposed of by means of heat treatments in incineration systems or by storage in dedicated areas Material Recommended disposal method Metals Fe Cu Al Ag...

Страница 44: ... 39 035 6952 874 E mail info mv it abb com ABB AG Calor Emag Medium Voltage Products Oberhausener Strasse 33 D 40472 Ratingen Phone 49 0 2102 12 1230 Fax 49 0 2102 12 1916 E mail powertech de abb com www abb com The data and illustrations are not binding We reserve the right to make changes without notice in the course of technical and product development Copyright 2017 ABB All rights reserved ...

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