ABB VD4X Instruction Manual
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ABB VD4X Instruction Manual

Vacuum circuit-breaker
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I N S T R U C T I O N M A N U A L
VD4X
Vacuum circuit-breaker

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Summary of Contents for ABB VD4X

  • Page 1 — I N S T R U C T I O N M A N U A L VD4X Vacuum circuit-breaker...
  • Page 3 — Content Summary 006 – 014 Technical data 015 – 022 Structure and mode of action Commissioning / Operation 024 – 026 Maintenance Application of the X-ray regulations Comparison of designations to IEC 81346-1/IEC 81346-2, IEC 61346-1/IEC 61346-2 and VDE-DIN 40719 Part 2...
  • Page 4 — If you have any further questions on this manual or the product, your local ABB contact will be pleased to help you. You can also contact us direct using the contact data on the last page.
  • Page 5 — Summary 1.1 General 1.3 Operating conditions (Figures 2/1a and 2/1b) The vacuum circuit-breakers of type VD4X are 1.3.1 Normal operating conditions intended for installation in switchgear with Design to IEC 62271-1, High-voltage switchgear gas-tight encapsulation. The vacuum circuit- and controlgear, Part 1: Common specifications...
  • Page 6 V D 4 X I N S T R U C T I O N M A N U A L — Technical data 2.1 Circuit-breaker VD4X Rated voltage 17.5 40.5 Maximum operating voltage 17.5 40.5 Standards IEC/GB IEC/GB IEC/GB ZX0.2...
  • Page 7 The equipment provided in each individual case This table covers the basic equipment and all of can be seen on the order documentation (see the equipment possibilities for the various VD4X also “Equipment variants for the operating type series. The possible scope of equipment mechanism”).
  • Page 8 V D 4 X I N S T R U C T I O N M A N U A L — Figure 2/1a: Vacuum circuit-breaker, type VD4X, mechanism side with front plate. — Figure 2/1b: Vacuum circuit-breaker, type VD4X, pole side. — Figure 2/1c: Vacuum circuit-breaker, type VD4X, mechanism side with front plate. — Figure 2/1d: Vacuum circuit-breaker, type VD4X, pole side.
  • Page 9 T E C H N I C A L D A T A — 2.3 Permissible number of switching operations of the vacuum interrupters in relation to Figure 2/2: breaking current Permissible number of vacuum interrupter operating cycles n as a function of the breaking current Ia (Reference see section...
  • Page 10 V D 4 X I N S T R U C T I O N M A N U A L 2.4 Dimensions Panel cutout View X and Y M12/25 Deep Terminal for rated — curreut ≤630 A & -12/17.5/24 kV≤25 kV Figure 2/3 A1 = Terminal for conductor bar A2 = Front terminal for conductor bar...
  • Page 11 T E C H N I C A L D A T A Panel cutout View X and Y M12/25 Deep Terminal for rated curreut ≤1250 A — -12/17.5 kV≤31.5 kV Figure 2/4 -24 kV≤25 kV 1) Busbar connection arranged above or bolow the breaker pole depending on the suitchgear system. A1 = Terminal for conductor bar A2 = Front terminal for conductor bar D = Pressure sensor for circuit-breaker compartment...
  • Page 12 V D 4 X I N S T R U C T I O N M A N U A L Panel cutout View X and Y — Figure 2/5 1) Busbar connection arranged above or bolow the breaker pole depending on the suitchgear system. Terminal for rated curreut ≤1250 A -12/17.5 /24/40.5 kV≤31.5 kV A1 = Terminal for conductor bar...
  • Page 13 T E C H N I C A L D A T A Panel cutout View X and Y — Terminal for rated Figure 2/6 current >1250 A 1) Busbar connection arranged above or bolow the breaker pole depending on the suitchgear system. A1 = Terminal for conductor bar A2 = Front terminal for conductor bar D = Pressure sensor for circuit-breaker compartment...
  • Page 14 V D 4 X I N S T R U C T I O N M A N U A L — Figure 2/7: Dimensional drawing of circuit-breaker, type VD4X, 3612-31 & Terminal for 4012-25, p150. conductor bar ±1.5 Frontal terminal for...
  • Page 15 S T R U C T U R E A N D M O D E O F A C T I O N — Structure and mode of action 276.5 3.1 Structure of the breaker poles 3.2.1 Operating mechanism equipment (Figures 3/1 to 3/3) 1.
  • Page 16 V D 4 X I N S T R U C T I O N M A N U A L pumping action with charging lever 32, These three releases are rotary magnets, and depending on the equipment fitted to the are suitable for a high number of operating circuit-breaker.
  • Page 17 S T R U C T U R E A N D M O D E O F A C T I O N — Figure 3/1: Sectional view of a vacuum circuit-breaker, type VD4 X. 1) Busbar connection arranged above or below the breaker pole depending on the switchgear system.
  • Page 18 V D 4 X I N S T R U C T I O N M A N U A L — Figure 3/2: Sectional view of a vacuum circuit-breaker, type VD4X-U. — Figure 3/3: Partial section of vacuum interrupter, simplified...
  • Page 19 S T R U C T U R E A N D M O D E O F A C T I O N — Figure 3/4: Vacuum circuit-breaker type VD4X — Figure 3/5: Stored-energy spring mechanism with auxiliary equipment –...
  • Page 20 V D 4 X I N S T R U C T I O N M A N U A L — Figure 3/6: Vacuum circuit-breaker type VD4X — Figure 3/7: Stored-energy spring mechanism with auxiliary equipment –front plate removed.
  • Page 21 VD4X types. The scope equipment. of equipment possible within an individual type series is listed in the relevant switchgear list, and the equipment fitted in each individual case can be found in the order documentation.
  • Page 22 The wiring diagram comprises breaker wiring diagram with the basic components and all further equipment conventional options for the various VD4X types. The scope equipment for VD4X-U. of equipment possible within an individual type series is listed in the relevant switchgear list, and the equipment fitted in each individual case can be found in the order documentation.
  • Page 23 C O M M I S S I O N I N G / O P E R A T I O N — Commissioning / Operation 4.1 Notes on safety at work Opening operation: • Operation is only permissible by •...
  • Page 24 It is recommended that ABB • The checks first and foremost comprise visual after-sales service personnel should be called examination for contamination, corrosion and...
  • Page 25 • Switch off the charging motor (if fitted) and Above mentioned work may only be performed discharge the spring energy storage by servicing personnel from ABB or adequately mechanism by ON/OFF switching operations trained specialist staff. • Examine visual the condition of the lubrication on rotary bearings, sliding surfaces, etc 5.3.3 Breaker pole...
  • Page 26 V D 4 X I N S T R U C T I O N M A N U A L 5.4.2 Replacement of circuit-breaker parts and • All supply voltage sources must be ac cessories disconnected and secured to prevent •...
  • Page 27 A P P L I C A T I O N O F T H E X - R A Y R E G U L A T I O N S — Application of the X-ray regulations One of the physical properties of vacuum The results are as follows insulation is the possibility of X-ray emissions •...
  • Page 28 V D 4 X I N S T R U C T I O N M A N U A L — Comparison of designations to IEC 81346-1/IEC 81346-2, IEC 61346-1/IEC 61346-2 and VDE-DIN 40719 Part 2 Designation IEC 81346-1/ IEC 61346-1/ VDE DIN 40719 Teil 2 IEC 81346-2...
  • Page 29 — Remarks...
  • Page 30 ABB Connect The digital assistant for all your electrification needs ABB Connect helps you to find product information and stay connected to the latest news and tools. It’s a digital assistant that enables customers to connect to the broadest range of electrification solutions in one place.
  • Page 32 No.885, FangShanXiEr Road, Xiang'an District, Xiamen, Fujian, 361101 Tel: 0592 602 6033 Fax: 0592 603 0505 ABB China Customer Service Hot Line TEL: 800-820-9696 / 400-820-9696 mail: cn-ep-hotline@abb.com www.abb.com © Copyright 2019 ABB. All rights reserved. Specifications subject to change without notice.

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Vd4x-u

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