ABB VD4 Instruction Manual
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ABB VD4 Instruction Manual

Vacuum circuit breaker with embeded poles 36...40,5v, 1250...1500a, 25...31,5ka
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Summary of Contents for ABB VD4

  • Page 3 Your safety first always! That's why our instruction manual begins with these recommendations: Only install switchgear and/or switchboards in enclosed rooms suitable for electrical equipment. Ensure that installation, operation and maintenance are carried out by specialist electricians only. Comply in full with the legally recognized standards, the connection conditions of the local electrical utility and the applicable safety at work regulations.

  • Page 4: Table Of Contents

    7.3.2 Stored-energy spring mechanism 3.3.3 Opening procedure 7.3.3 Breaker pole 3.3.4 Autoreclosing sequence Repair 3.3.5 Quenching principle of the vacuum interrupter Spare parts and auxiliary materials Dispatch and storage Application of the X-ray regulations 4 Contents | VD4 Vacuum Circuit-breaker...

  • Page 5: General

    1 Summary 1.1 General Health and Safety at Work Standard VBG 4 ■ The vacuum circuit-breakers of type VD4 on with-drawable Safety guidelines for auxiliary and operating materials ■ parts for 36 kV or 40.5 kV rated voltage are intended for Order related details provided by ABB Xiamen Switchgear ■...

  • Page 6: Technical Data

    When the operating voltage is lower than the rated voltage, the same values apply as for rated voltage. Higher values on request. If the activating relay contact cannot itself interrupt the release coil current 6 Technical data | VD4 Vacuum Circuit-breaker...

  • Page 7: Technical Data

    Auxiliary voltages AC: 110 and 220 V, DC: 24, 48, 60, 110 and 220 V. Auxiliary voltages AC: 240 V, DC: 125 and 240 V. 2.3 Technical data Motor-operated mechanisms Auxiliary consumption Charging time voltage Power (maximum) VA/W Approximate values At the rated auxiliary voltage VD4 Vacuum Circuit-breaker | Technical data 7...

  • Page 8: Permissible Number Of Vacuum Interrupter

    30 40 60 Breaking current I (kA) Breaking current I (kA) b) Circuit-breaker type VD4, 36 kV and 40.5 kV a) Circuit-breaker type VD4, 36 kV and 40.5 kV Rated short-circuit breaking current 25 kA Rated short-circuit breaking current 31.5 kA...

  • Page 9: Dimensions

    2.5 Dimensions See figure 2/2,2/3. Fig. 2/2 Dimension of withdrable VD4 40.5kV | Fig. 2/3 Dimension of fixed VD4 40.5kV Fig. 2/2 = Transport bracket 147 = Transport profile 148 = Entrance for control cables 50.2 = Front partition plate...
  • Page 10 Note: 1) For DC 24V, 30V, 48V, 60V, 110V, 125V, 220V, 240V; AC 110V, 220V, 240V 2) Spring in the diagram is discharged. Standard configurations and options available for VD4 are contained in the diagram. Also see relative catalogues and order forms for all possible configuration.
  • Page 11 Fig. 2/5 Circuit diagram for withdrawable VD4 Fig. 2/5 VD4 Vacuum Circuit-breaker | Technical data 11...
  • Page 12 Fig. 2/6 Circuit diagram for fixed VD4 Fig. 2/6 12 Technical data | VD4 Vacuum Circuit-breaker...

  • Page 13: Structure And Function

    (Figures 3/1, 3/2 , 3/6, 3/7 and 3/8) Mechanical operating cycle counter 55.5. ■ The 36 kV and 40.5 kV circuit-breakers of type VD4 are Motor charging mechanism ■ designed as withdrawable units. The poles, which are Five-pole auxiliary switch S1 to switch the charging motor ■...

  • Page 14: Function

    58 is moved until the contacts touch by cam disk of the contacts and thus on that of the vacuum interrupters. and further kinematic links. In the further sequence of motion, 14 Structure and function | VD4 Vacuum Circuit-breaker...
  • Page 15 Figure 3/1: Withdrawable part with circuit-breaker, type VD4, operator's side Figure 3/2: Withdrawable part with circuit-breaker, type VD4, pole side Figure 3/3: Withdrawable part with circuit-breaker, type VD4, controls for the circuit-breaker VD4 Vacuum Circuit-breaker | Structure and function 15...
  • Page 16 58.7 58.7 58.6 Figure 3/4: Withdrawable part with circuit-breaker, type VD4, left and operator's side view Figure 3/5: Withdrawable part with circuit-breaker, type VD4, (pole side, below) Figure 3/6: Partial section of a vacuum interrupter. 16 Structure and function | VD4 Vacuum Circuit-breaker...
  • Page 17 Figure 3/7: Vacuum circuit-breaker, type VD4, for fixed installation, operating side Figure 3/8: Vacuum circuit-breaker, type VD4, for fixed installation, terminal side Figure 3/9: Vacuum circuit-breaker, type VD4, for fixed installation, version with partition, terminal side Figure 3/10: Indicators and controls on a circuit-breaker for fixed installation...

  • Page 18: Dispatch And Storage

    ■ trolley jack. the switchgear room. ■ Figure 4/1: VD4 breaker on withdrawable part | Figure 4/2: VD4 breaker for fixed installation Figure 4/1 Figure 4/2 Only handle by crane when the transport bracket 147 and crane harness are fitted.Always bear in mind that the high situated centre of gravity may induce the breaker to tip over! 50.2...

  • Page 19: Delivery

    ■ discharged (Indicator DISCHARGED: Check the drying agent: ■ on arrival of the consignment, ■ Conditions for optimum intermediate storage: subsequently at appropriate intervals. ■ 1. Devices with basic packaging or unpacked: VD4 Vacuum Circuit-breaker | Dispatch and storage 19...

  • Page 20: Installation

    When the switchgears are operated in areas with high humidity and/or major rapid temperature fluctuations, there is a risk of dew deposits which must remain an exception in normal operating conditions Provisions should be taken according to section 1.3.2 (special operating conditions). 20 Installation | VD4 Vacuum Circuit-breaker...

  • Page 21: Commissioning/Operation

    Insert charging lever 128 into the socket 55.6 and pump then only be closed after the closing command has been ■ up and down for approx. 25 strokes until the charged interrupted. condition is displayed. VD4 Vacuum Circuit-breaker | Commissioning/Operation 21...

  • Page 22: Operating Sequence

    Open breaker On-Off Close breaker... Off-On-Off or auto- automatically (re-)charge reclosing sequence Autoreclosing sequence (Activation via (automatic charging starts) protection system) Automatic charging completed On-Off Close breaker... Off-On-Off or auto- automatically (re-)charge reclosing sequence 22 Commissioning/Operation | VD4 Vacuum Circuit-breaker...
  • Page 23 Square spigot Hand crank Figure 6/1: Withdrawable part with circuit-breaker, type VD4, control area Figure 6/2: Changing the store-energy spring mechanism manually by moving the inserted charging lever up and down Figure 6/3: Manual operation of the circuit-breaker, by turning the double bit key approx. 15 clockwise (ON), or approx. 15 anti-clockwise (OFF)
  • Page 24 Figure 6/5: Interlock yoke with sliding handles which will be moved inwards to release the withdrawable part for withdrawing from the panel Figure 6/6: Operating accessories Figure 6/7: Vacuum circuit-breaker, type VD4, for fixed installation. Manual charging of the stored-energy spring 24 Commissioning/Operation | VD4 Vacuum Circuit-breaker...

  • Page 25: Maintenance

    It Perform several switching operations under no load, above ■ is recommended that ABB Xiamen Switchgear Limited Co. all with circuit-breakers seldom operated in normal service. after-sales service personnel should be called in, at Switch off the charging motor (if fitted) and discharge ■...

  • Page 26: Testing Of Interlock Conditions

    ■ ■ the withdrawable part must be blocked after only half a ABB instruction manuals Ba 1002/E or BA 1006/E on safety turn of the crank in anti-clockwise direction. at work. Note: Use only halogen free cleansers, and in no case 1.1.1- 3.

  • Page 27: Stored-Energy Spring Mechanism

    Note: Dismantling and Replacement of the complete breaker rotating bearing surfaces. Lubricant: Isoflex Topas NB 52.(Code GCE 0007249P0100) poles should only be carried out by ABB Xiame Check the fit of fasteners (e.g. locking pins) in Switchgear Limited Co. after-sales service personnel ■...

  • Page 28: Spare Parts And Auxiliary Materials

    Intermediate current transformer for indirect overcurrent release Magnet holder, complete (with integrated rectifiers V1, V2, V3, V9) Series rectifier V4/V7 Charging motor (with gearing) Auxiliary materials Ident no. (order code) Lubricant: Isoflex Topas NB 52 GCE0007249P0100 28 Maintenance | VD4 Vacuum Circuit-breaker...
  • Page 29 51 an appropriate distance away Figure 7/2: Auxiliary switches for interlocking withdrawable part and switchgear panel (withdrawable part in service position) Figure 7/3: The spring-loaded operating mechanism in the frame of the withdrawable part, front cover plates removed VD4 Vacuum Circuit-breaker | Maintenance 29...
  • Page 30 Charging motor Magnet holder, complete Figure 7/4 Vacuum circuit-breaker, type VD4, for fixed installation, stored-energy spring mechanism, front panel removed Figure 7/5 Vacuum circuit-breaker, type VD4, for fixed installation, stored-energy spring mechanism, front panel removed 30 Maintenance | VD4 Vacuum Circuit-breaker...

  • Page 31: Application Of The X-Ray Regulations

    ■ completely safe. of the specified distance between the contacts (which is automatically ensured with correct mechanism function and The application of the rated power frequency withstand force transmission). ■ VD4 Vacuum Circuit-breaker | Application of the X-ray regulations 31...

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