ABB VM1 Instruction Manual

ABB VM1 Instruction Manual

Vacuum circuit-breaker
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Vacuum circuit-breaker
Instruction manual BA 504/02 E


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Summary of Contents for ABB VM1

  • Page 1 Vacuum circuit-breaker Instruction manual BA 504/02 E...
  • Page 2 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. •...
  • Page 3: Table Of Contents

    Interlocks / protection against maloperation 7.6.2 Auxiliary materials and lubricants (for C.B. on withdrawable parts) Application of the X-ray regulations 3.4.2 Interlocks for VM1 withdrawable parts Figures Interlocks when using ABB withdrawable Technical data assemblies are used 10.1 Technical data, general 3.4.3...
  • Page 4: General

    Operating conditions 1.3.1 Normal operating conditions General Design to VDE 0670, part 1000, "Common The vacuum circuit-breakers of type VM1 are inten- specifications for high-voltage switchgear and ded for indoor installation in air-insulated switch- controlgear standards“ and IEC publication 60694, gear.
  • Page 5: Structure

    2.1.2 Storage capacitor Structure (Figures 9/16, 9/18 b and 9/28) Structure of the operating mechanism The energy for operation of the circuit-breaker is (Figures 9/13 to 9/16 and 9/28) stored electrically in a capacitor. Circuit-breakers for breaking currents of 31.5 kA and above are The operating mechanism is of the magnetic type.
  • Page 6: Basic Structure Of The Circuit-Breaker

    Basic structure of the circuit-breaker on and -Y2 (OFF) (see also sections 10.1.1a and 6.2). withdrawable part The breaker can be operated locally by pressing push-buttons 3 and 4. (Figures 9/9 to 9/12, 9/19 and 9/24) In the closing process, the armature motion acts The withdrawable part, which can be moved direct via lever shaft 18 on the moving contact 24.1 manually or by a motor if fitted, consists of a steel...
  • Page 7: Extended Functions In The Full Version

    -Y0. figure 9/18a. Wiring diagrams for C.B. on withdrawable part If no voltage is applied to -Y4, the VM1 cannot be closed. (Figures 10/14 to 10/17 and 9/17) • The wiring diagrams, shown in figures 10/14 to...
  • Page 8: Quenching Principle Of The

    1.) The VM1 can only be closed via input -Y3 when jected to a routine test in accordance with a voltage of 24 V to 240 V AC/DC is applied to VDE 0670, part 1000 or IEC publication 60694, input -Y1 (electrical closing lock-out).
  • Page 9: Packaging

    Packaging • Room temperature which does not fall below –25°C. The switching devices are mounted individually on a wooden pallet and sealed in film and/or packed in • Do not remove or damage the packaging. cardboard for delivery. • Unpackaged devices: Packaging for overseas shipment: –...
  • Page 10: Commissioning/Operation

    • Properly refit all covers, etc., removed during Recommended assembly and testing processes. tightening torque • Connect the supply voltage (Figures 10/6 and 10/14 to 10/17). Input -Y4 : ”OFF command” (closed-circuit shunt release) and input -Y1: Lubricant ”Closing lock-out” (closed-circuit shunt release) Thread Without Oil or...
  • Page 11: Manual Insertion From The Test/ Disconnected Position To The Service Position

    Note: Note: Withdrawable parts with blocking magnet -Y0 may In order to avoid damage to the operating not be forcibly moved during power failures. In mechanism, use the original hand crank only. such a case they are blocked in the service and test –...
  • Page 12: Circuit-Breaker Operation

    Manual emergency opening is possible and short-circuit currents. beyond these times. The typical life expectancy of a VM1 vacuum Insert emergency manual operation lever 28 circuit-breaker is determined by: into socket 8 in the front plate and turn it anti- clockwise to open the circuit-breaker.
  • Page 13: Inspection And Functional Testing

    Maintenance work may only be performed by fully side. trained personnel, observing all the relevant safety regulations. It is recommended that ABB after- If an irregular condition is found, appropriate sales service personnel should be called in, at least maintenance work is to be initiated.
  • Page 14: Servicing

    (see the section on repairs). Dismantling and replacement of the breaker poles • The interlock conditions and the ease of should only be performed by the ABB after-sales movement of the withdrawable assembly are to service or adequately trained specialist staff, in be checked as described under “Repair”.
  • Page 15: Repair

    • Earth all poles of the VM1 circuit-breaker on one – Fit the contact system back to front on the side. thin end of arbor 39, and slide it forwards onto the thicker part of the shank. • Connect the earthed test lead of the VIDAR vacuum tester conductively to the station earth.
  • Page 16: Tests On Withdrawable Parts With Vm1 Type Circuit-Breaker

    Tests on withdrawable parts with VM1 type 2. Settings in the area of the service position: circuit-breakers • Move the withdrawable part out of the limit The following conditions are to be checked to test position towards test/disconnected the function of the withdrawable part.
  • Page 17: Spare Parts, Auxiliary Materials, Lubricants

    • Readiness for switching is established breaker should always be quoted. Setting electrically when the service position is instructions are to be requested separately. reached by auxiliary switch -S9 in the Withdrawable assembly of VM1: withdrawable assembly switching over. • For motion into test/disconnected •...
  • Page 18: Auxiliary Materials And Lubricants

    Standard colour RAL 7035 (for general cleaning) - 1 kg-box GCE9014060R0103 ABB Instruction manual - Spray tin GCE0007895P0100 BA 1002/E GCEA901002P0102 Table: VM1 withdrawable part Designation Item Rated supply Part no. voltage (order code) Auxiliary switch for manually operated mechanism -S8/-S9 •...
  • Page 19: Application Of The X-Ray Regulations

    Application of the X-ray regulations One of the physical properties of vacuum insulation • Application of the rated power frequency with- is the possibility of X-ray emissions when the con- stand voltage specified for the switching device tact gap is open. The specified test performed by by VDE 0671 part 100 or IEC 62271-100 is the Physikalisch-Technische Bundesanstalt (PTB) completely safe.
  • Page 20: Figures

    Figures Figure 9/2: Vacuum circuit-breaker, type VM1, for fixed installation, Figure 9/1: Vacuum circuit-breaker, type VM1, for fixed installation, 12 kV, ≤ 1250 A, ≤ 31.5 kA, 12 kV, ≤ 1250 A, ≤ 31.5 kA, mechanism side. pole side. Figure 9/3: Vacuum circuit-breaker, type VM1, high-current, Figure 9/4: Vacuum circuit-breaker, type VM1, high-current, for fixed installation, 12 kV, 1600...2000 A, ≤...

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