ABB VM1-T Manual

ABB VM1-T Manual Manual pdf 2 page image

V M 1 -T - VACUUM CIRCUIT BREAKER2—ContentsPage1. Summary 31.1 General 31.2 Standards and specifications 31.2.1 Switchgear manufacture 31.2.2 Installation and operation 31.3 Operating conditions 31.3.1 Normal operating conditions 31.3.2 Special operating conditions 32. Structure 42.1 Structure of the operating mechanism 42.1.1 Structure of the control module 42.1.2 Storage capacitor 42.1.3 Sensor system 42.2 Structure of the breaker poles 52.3 Basic structure of the circuit breakeron withdrawable part 53. Function 63.1 Function of the circuit breaker operatingmechanism 63.1.1 Magnetic actuator 63.1.2 Opening and closing procedure 63.1.3 Reclosing sequence 63.1.4 Circuit breaker controller 63.1.5 “READY” lamp 73.1.6 Blocking magnet -RL2 73.2 Ciruit diagrams for circuit breakerwithdrawable assemblies 73.3 Quenching principle of the vacuuminterrupter 83.4 Interlocks 83.4.1 Interlocks/protection againstmaloperation (for C.B. onwithdrawable part) 83.4.2 Interlocks for VM1-T withdrawableparts 83.4.3 Interlocks when non-originalwithdrawable assemblies are used 84. Despatch and storage 94.1 Condition on delivery 94.2 Packaging 94.3 Transport 94.4 Delivery 94.5 Intermediate storage 95. Installation and mounting of the breaker 106. Commissioning / Operation 116.1 Note on safety at work 116.2 Preparatory activities 116.3 Earthing 116.4 Movement of the withdrawable breakerpart 126.4.1 Manual insertion from the test/disconnected position into theservice position 126.4.2 Manual withdrawal from the serviceposition into the test/disconnectedposition 126.4.3 Motor-driven movement of thewithdrawable part 126.4.4 Withdrawal from the test/disconnectedposition onto the service truck 126.4.5 Insertion from the service truck intothe test/disconnected position 136.5 Operation of the circuit breaker 13Page7. Maintenance 147.1 General 147.2 Inspection and functional testing 147.2.1 Circuit breaker in general 147.2.2 Magnetic actuator operatingmechanism 157.2.3 Withdrawable part 157.3 Servicing 157.3.1 Circuit breaker in general 157.3.2 Magnetic actuator operatingmechanism 157.3.3 Breaker pole 167.4 Repair 167.4.1 Repair of surface damage 167.4.2 Replacement of components 167.5 Tests on withdrawable parts withVM1-T type circuit breakers 177.5.1 Motor-driven withdrawable parts 177.5.2 Checking the auxiliary switch settingson withdrawable parts 177.5.3 Checking the direction of rotationof the travel motors on motor-drivenwithdrawable parts 187.5.4 Checking of interlock conditions 187.6 Spare parts, auxiliary materials, lubricants 187.6.1 Spare parts 187.6.2 Auxiliary materials and lubricants 198. Application of the X-ray regulations 209. Figures 2110. Technical data 3010.1 Technical data, general 3010.1.1 Technical data Control electronics 3010.1.2 Technical data AC/DC converter 3010.1.3 Permissible number of vacuuminterrupter operating cycles 3110.2 Technical dataCircuit breakers for fixed installation 3310.2.1 Performance data and weights 3310.2.2 Dimensions 3410.3 Technical dataCircuit breakers on withdrawable part 3710.3.1 Performance data and weights 3710.3.2 Dimensional drawings 3810.3.3 Wiring diagrams for C.B. onwithdrawable part 4011. Comparison of designations to IEC 61346-1 /61346-2, IEC 81346-1 / 81346-2 and VDE-DIN40719 Part 2 42