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MEDI UM VOLTAG E PRODUC TS

VM1/A/P

Installation and service instructions
ANSI: ... 15 kV; ... 2000 A; ... 31.5 kA

Table of Contents

For your safety!

1. Foreword

2. Introduction and safe practices

3. Receiving, handling, and storage

4. Insertion and removal, putting into service 11

5. Installation

6. Description

7. Operation

8. Maintenance

9. Spare parts and accessories

10. Product quality and environmental

protection

11. Overall dimensions

12. Electric circuit diagram

Содержание VM1/A/P

Страница 1: ...Foreword 3 2 Introduction and safe practices 5 3 Receiving handling and storage 7 4 Insertion and removal putting into service 11 5 Installation 16 6 Description 20 7 Operation 30 8 Maintenance 36 9 Spare parts and accessories 42 10 Product quality and environmental protection 43 11 Overall dimensions 44 12 Electric circuit diagram 48 ...

Страница 2: ... putting into service and maintenance so that installations according to the rules of good working practice and safety in the work place are constructed Strictly follow the information given in this instruction manual Check that the rated performance of the apparatus is not exceeded during service Check that the personnel operating the apparatus have this instruction manual to hand as well as the ...

Страница 3: ...yles All information in this booklet was current at the time 1 2 Environmental protection programme The VM1 circuit breakers are manufactured in accordance with the ISO 14000 Standards Guidelines for environmental management The production processes are carried out in compliance with the Standards for environmental protection in terms of reduction in energy consumption as well as in raw materials ...

Страница 4: ...n 10 4 and 10 8 hPa a relatively limited distance between the contacts is required to obtain high dielectric strength The vacuum arc is extinguished on the first passage of the current through natural zero Considering the limited distance between the contacts the high conductivity of the plasma of metallic vapours the drop in voltage of the arc and moreover the short arcing time the energy associa...

Страница 5: ...ted with installation operation and maintenance of these circuit breakers the following recommendations must be followed Only qualified persons as defined in the National Electric Safety Code who are familiar with the installation and maintenance of medium voltage circuits and equipment should be permitted to work on these circuit breakers Read these instructions carefully before attempting any in...

Страница 6: ...lation 30 C Humidity The average value of the relative humidity measured for a period longer than 24 hours must not exceed 95 The average value of the pressure of the water vapour without condensation measured for a period longer than 24 hours must not exceed 2 2 kPa The average value of the relative humidity measured for a period longer than 1 month must not exceed 90 The average value of the pre...

Страница 7: ... and to keep the dust off during storage 3 Receiving handling and storage On receipt check the state of the apparatus integrity of the packing and correspondence with the nameplate data see Fig 1 with what is specified in the order confirmation and in the accompanying shipping notes Also make sure that all the materials described in the shipping notes are included in the supply Should any damage o...

Страница 8: ... packing list before discarding any packing material If any discrepancy is discovered promptly notify the nearest district office Information specifying the purchase order number carton number and part numbers of damaged or missing parts should accompany the claim 3 2 Handling VM1 A P circuit breaker shipping containers are designed to be handled by fork lift not supplied Once removed from the shi...

Страница 9: ...e Do not use a lifting hook that is damaged or worn The lifting device i E Hoist wench should be suitably rated for lifting the circuit breaker load Always refer to fig 6 Below for the proper installation of the lifting hook The lifting hook is not to be used for insertion of drawout circuit breakers into switchgear compartments The lifting hook is not to be used as the sole means of supportwhen s...

Страница 10: ...g lifting devices directly under the apparatus itself Should it be necessary to use this technique put the circuit breaker onto a pallet or a sturdy supporting surface see fig 3 In any case it is always advisable to carry out lifting using the supports 3 3 3 Storage When a period of storage is foreseen our workshops can on request provide suitable packing for the specified storage conditions On re...

Страница 11: ... the handles Interlocks may restrict insertion Refer to Interlocks section 4 Align the circuit breaker interlock tabs 3 Fig 5 with the compartment slots Fig 4 5 Push the handles out to fully engage the cell interlock tabs into the compartment slots 6 Visually check that cell interlock tabs are engaged in the compartment slots if cell interlock tabs are not fully extended racking is prevented 7 The...

Страница 12: ...of run position if the circuit breaker is in the racked in position in the switchgear enclosure it is now possible to take it to the isolated position 4 2 2 Operation of the circuit breaker Closing This can be carried out remotely by applying voltage at the SC2 input or locally by pressing the I pushbutton on the front of the circuit breaker Opening This can be carried out remotely by applying vol...

Страница 13: ...asure the insulation resistance between the phases and the exposed conductive part of the circuit The insulation resistance should be at least 50 Mohm and in any case constant over time Auxiliary circuits With a 500 V megger if the apparatus installed allows this measure the insulation resistance between the auxiliary circuits and the exposed conductive part N B Before carrying out the test discon...

Страница 14: ...inches Manual opening Yes Not recommended unless necessary Electrical Operation Yes while power cord is connect Yes while power cord is connect Control Power Available Yes while power cord is connect Yes Shutter CLOSED OPEN Primary Contacts Engaged No Yes Requirements to rack breaker from position Breaker Open Power cord connect Breaker Open Power cord connect Notes A A Notes A Closed door is mand...

Страница 15: ...acking screw as though racking the circuit breaker to the Connect position This process will expose surfaces inside the truck that need to be inspected and lubricated Lubricate the exposed parts specifically the entire Racking Screw 4 Inspect the circuit breaker locking tabs 3 for any damage Return truck to the Disconnect position As a precaution do not operate the circuit breaker outside the cell...

Страница 16: ...0 10 10 10 Nr 16 VM1 A P INSTALLATION AND SERVICE INSTRUCTIONS ANSI 15 KV 2000 A 31 5 KA 5 Installation 5 2 Trip curves The following graphs show the number of closing opening cycles No allowed of the vacuum interrupters according to the breaking capacity Ia Fig 6a 5 1 General Correct installation is of prime importance The manufacturer s instructions must be carefully studied and followed It is g...

Страница 17: ... of the plug connector Secondary disconnects Fig 4 Fig 7 in the test isolation position Any detailed information regarding additional interlocks e g in connection with the earthing switch operating mechanism is given in the specific order documentation Interlocks The VM1 A P circuit breaker contains a number of interlocks A description of each interlock follows as encountered during racking of the...

Страница 18: ...void shocks which may deform the mechanical interlocks and the end of runs The torque normally required to carry out rack ing in and racking out is 25 Nm This value must not be exceeded If operations are prevented or difficult do not force them and check that the operating sequence is correct Fig 8 Racking in Racking out 5 5 Disconnect through connect 1 Engage the racking handle item 1 Figure 8 wi...

Страница 19: ...fully insert the crank handle 1 Fig 8 in the appropriate seat 2 Fig 8 and work it clockwise for racking in and anti clockwise for racking out until the end of run positions are reached see par 5 4 5 5 and 5 6 Circuit breaker racking in out must be carried out gradually to avoid shocks which may deform the mechanical interlocks and the end of runs The torque normally required to carry out racking i...

Страница 20: ...ype and characteristics are interchangeable However the code of the connector prevents incorrect combinations between the circuit breaker and switchgear 6 2 Circuit breaker structure of the circuit breaker Fig 10b The encapsulated poles are installed on the rear flat section of the circuit breaker frame 1 1 Fig 10a The live parts of the circuit breaker poles are enclosed in cast resin and protecte...

Страница 21: ...r poles 9 Run regulator 10 Position sensors 11 Closing coil 12 Permanent magnets 13 Moving armature 14 Opening coil 15 Device for manual emergency opening 16 Supporting structure 1 Top terminal 2 Vacuum interrupter 2a Fixed contact 2b Moving contact 3 Pole 4 Bottom terminal 5 Flexible connection 6 Shock absorber spring 7 Insulating tie rod 8 Crank handle shaft ...

Страница 22: ...ired for the operation The mechanical operating positions of the circuit breaker are detected by two due sensors 10 The basic version of the circuit breaker is fitted with the following controls and instruments closing pushbutton I 8 opening pushbutton O 9 coupling for manual emergency operation 1 mechanical position indicator 2 mechanical operation counter 3 luminous signalling of the ready state...

Страница 23: ...onal or not and indicates if the circuit breaker is ready or not ready to operate The energy available in relation to the relevant switch position is the criteria which determines Case 1 Circuit breaker in the OPEN position The energy available is sufficient for an CLOSE and OPEN switching operation Case 2 Circuit breaker in the CLOSED position The energy available is sufficient for a OPEN CLOSE O...

Страница 24: ... ms 40 70 40 70 40 70 Arc duration ms 8 13 8 13 8 13 Total interruption time ms 45 60 83 45 60 83 45 60 83 Closing time ms 45 80 45 80 45 80 Mechanical operations cycles Actuator No 100 000 100 000 100 000 Interrupters No 30 000 30 000 30 000 Electrical operations cycles Rated current No 30 000 30 000 30 000 Under short circuit No 100 100 100 Maximum overall dimensions H mm inch 628 24 7 691 27 2 ...

Страница 25: ...ongest amount of time b Circuit breaker is ready to perform C O operation 3 Close the circuit breaker using the close push button or by electrical signal to the magnetic actuator a The magnetic armature moves down Close Open indicator changes to Closed READY lamp illuminates again after about one second b Circuit breaker is ready to perform O C O operation 4 Open the circuit breaker using the manu...

Страница 26: ...gy Connect Spring Closing Coil Closing time Opening time Open Coil Circuit Breaker Capacitors fully charged Closing signal allowed Start of closing operation Closing operation complete Small voltage drop across capacitor Start of opening operation Constant 2 mA 60 V 80 V Open operation complete Compression springs charged Compression springs discharged ON OFF Charged Discharged Charged Discharged ...

Страница 27: ... for closing command SC2 top logical input activated N 1 input for opening command SO2 top logical input activated N 1 input for additional opening command SO3 top logical input activated N 1 input for circuit breaker opening on direct command from the PR512 protection release SO5 top logical input activated N 1 input for lock on closing command the same function as the one carried out by the lock...

Страница 28: ...ther open nor closed no continuity of the opening and closing coil of the magnetic actuator 2 binary inputs logical inputs for remote control N 1 input for closing command SC2 top logical input activated N 1 input for opening command SO2 top logical input activated N 1 input for additional opening command SO3 top logical input activated N 1 input for circuit breaker opening on direct command from ...

Страница 29: ...0 break contacts For withdrawable circuit breaker BB1 BB2 2C Set of 5 break contacts plus 5 make contacts Characteristics Un 24 250 V a c d c Rated current Ith2 10 A Insulation voltage 2500 V 50 Hz for 1 min Electrical resistance 3 mOhm Rated current and breaking capacity in category AC11 and DC11 Un Cosϕ T In Icu 220 V 0 7 2 5 A 25 A 24 V 15 ms 10 A 12 A 60 V 15 ms 6 A 8 A 110 V 15 ms 4 A 5 A 220...

Страница 30: ... case of a drop in the auxiliary voltage are provided in the control circuit In case of emergency the circuit breaker can in any case be opened by means of a special crank handle which acts directly on the moving armature of the drive 15 7 2 Circuit breaker control All the conditions for control of the magnetic actuator mechanism are defined in a permanently programmed logic module These condition...

Страница 31: ...ng a closing or opening operation an opening operation is immediately started to guarantee reaching a defined safe position in any case The anti pumping function ensures that only one closing opening cycle is carried out when a closing command followed by an opening command is active The active closing command must be cancelled and reset for the next closing operation Activation of the input for t...

Страница 32: ...anical operating mechanism of the VD4 circuit breaker Circuit breaker closed Circuit breaker open Capacity of the capacitor s Ready signal lit Ready signal lit Sufficient energy for an O C O cycle Ready contact closed Ready contact closed Not Ready contact open Not Ready contact open Ready signal flashing Ready signal flashing Sufficient energy for a C O cycle Ready contact closed Ready contact cl...

Страница 33: ...ing function disabled normally preset Disabled normally preset Automatic opening due to low energy of the capacitor s Enabled on request Enabling for closing with undervoltage function activated Output connector DOR DN DR DC2 1 DO2 1 DC1 DO1 Enabling for closing only after return of voltage at the undervoltage input the circuit breaker re opens after the set delay time Enabling for closing with un...

Страница 34: ... 50 60 Hz resistive load Maximum contact resistance 100 mohm measured at 6 V 1 A Maximum capacity 1 5 pF Maximum closing time 5 ms Maximum opening time 3 ms Insulation between contacts and coil 4000 Vrms 50 Hz 1 min Resistance with contacts open Min 103 Mohm measured at 500 V Operating temperature 40 C 85 C Storage temperature 40 C 100 C Mechanical life 5 000 000 operations at 180 operations min E...

Страница 35: ...0 5 10 4 10 4 10 3 10 5 10 7 10 6 1 2 3 4 5 6 1 2 3 4 5 6 I A I A Cosϕ 0 7 Cosϕ 1 Cosϕ 0 4 τ acc DC 13 τ 0 ms Operations Operations Curve B Electrical life of the contacts at 250 V a c Curve C Electrical life of the contacts at 24 V d c Fig 14 ...

Страница 36: ... apparatus under safe conditions CAUTION Before carrying out any operations always make sure that the circuit breaker is open the capacitor discharged and that it is not supplied Medium voltage circuit and auxiliary circuits 8 2 Maintenance on VM1 A P circuit breakers CAUTION The storage capacitor may be charged in the disconnect and withdrawn positions Verify that the circuit breaker is open and ...

Страница 37: ...following instructions shall be observed in order to guarantee the correct function of the capacitor s over time if the capacitor is kept on stock or warehouse for more than 2 years without power supply feeding it is required to replace the capacitor if the capacitor is kept on stock or warehouse for more than 1 year and less than 2 years in out of temperature tolerance range 25 C to 55 C the reco...

Страница 38: ...icator 8 Maintenance Functional test Connect the power supply voltage Carry out several no load operations This test particularly applies to circuit breakers which are rarely activated under normal conditions To check the capacitor carry out a rapid O CO cycle of operations of the circuit breaker by pressing the pushbuttons on the front of the circuit breaker in rapid succession The LEDs on the in...

Страница 39: ... H To check vacuum tightness of the interrupter the following test values must be set on the VIDAR tester To carry out the interrupter test without dismantling the circuit breaker pole use the VIDAR vacuum tester made by the company Programma Electric GmbH Bad Homberg v d H To check vacuum tightness of the interrupter the following test values must be set on the VIDAR tester Rated voltage of the c...

Страница 40: ...ion strength of the secondary circuit Failing insulation will not sustain the voltage across the secondary Replace the circuit breaker control wiring if the insulation fails during low frequency withstand voltage testing Replace the front cover before operation Verify the operation with 2 5 electrical operations in the Test position or with a remote power supply 8 12 Primary circuit assembly Pole ...

Страница 41: ...llowing low frequency withstand voltage test 1 Open the circuit breaker no control power supplied to the circuit breaker a Connect the high potential lead to one terminal b Ground the remaining 5 terminals and circuit breaker frame 2 Start machine with output potential at 0 zero VAC 3 Increase the potential to the required voltage seeTable 3 4 Hold for one minute 5 Decrease potential to 0 zero and...

Страница 42: ...he circuit breaker is open not supplied medium voltage circuit and auxiliary circuits and with the capacitors discharged To order circuit breaker spare parts accessories refer to the ordering sales codes indicated in the technical catalogue and always state the following type of circuit breaker rated voltage of the circuit breaker rated normal current of the circuit breaker breaking capacity of th...

Страница 43: ...01 standard The duty of company is to facilitate subsequent recycling or disposal at the end of product life During disposal of the product it is always necessary to act in accordance with local legal requirements in force Raw material Recommended method of disposal Metal material Fe Cu Al Ag Zn W others Separation and recycling Thermoplastic Recycling or disposal Epoxy resin Separation of metal m...

Страница 44: ... 9 7 0 5 0 6 2 6 2 0 1 22 0 87 17 0 65 34 1 34 43 1 69 192 7 55 340 13 39 503 19 80 531 20 91 40 1 57 101 3 96 47 1 84 0 3 1 2 1 5 383 15 08 416 16 39 438 17 24 662 26 06 19 5 0 77 320 12 60 370 14 57 25 0 98 205 8 07 26 1 03 71 2 80 303 11 92 121 4 76 98 3 87 260 10 24 154 6 06 76 2 99 35 1 38 4 0 16 150 5 91 150 5 91 456 17 95 490 19 29 609 23 98 124 4 88 53 2 07 55 2 16 121 4 76 500 19 69 36 1 ...

Страница 45: ...32 5 9 154 44 1 732 636 25 039 13 5 0 531 653 25 709 3 5 0 138 688 5 27 104 694 5 27 343 303 11 929 688 5 27 104 10 0 394 70 3 2 767 62 3 2 452 641 25 235 469 18 465 382 5 15 059 370 14 567 320 12 598 25 0 984 280 5 1 11 043 0 039 310 1 12 205 0 039 19 5 0 77 22 0 866 165 1 6 496 0 039 360 2 0 14 161 0 079 0 000 29 1 142 36 1 419 605 1 5 23 815 0 059 25 0 965 89 3 504 98 3 868 110 3 4 341 123 8 4 ...

Страница 46: ... 98 19 5 0 77 688 5 27 10 280 5 11 04 165 6 50 22 0 87 10 0 39 302 2 11 90 62 3 2 45 123 8 4 87 70 3 2 77 360 2 0 14 17 0 08 0 00 29 1 14 36 1 42 605 23 82 25 0 96 132 5 197 89 3 504 79 3 11 3 5 0 14 110 3 4 34 653 25 71 13 5 0 53 3 5 0 14 636 25 04 694 5 27 34 688 5 27 10 232 5 9 15 44 1 73 55 2 16 585 7 23 06 650 25 59 626 24 65 550 21 65 123 8 4 87 27 1 06 53 2 09 110 3 4 34 640 25 20 210 8 27 ...

Страница 47: ...uctors shown Connection of conductors Terminal or clamp Socket and plug female and male Resistor general symbol Capacitor general symbol Motor general symbol Rectifier in full wave connection bridge Make contact Break contact Change over break before make contact Passing make contact closing momentarily when its operating device is released Position switch limit switch make contact Position switch...

Страница 48: ...48 VM1 A P INSTALLATION AND SERVICE INSTRUCTIONS ANSI 15 KV 2000 A 31 5 KA 12 Electric circuit diagram ...

Страница 49: ...MEDIUM VOLTAGE PRODUCTS 49 49 ...

Страница 50: ...50 VM1 A P INSTALLATION AND SERVICE INSTRUCTIONS ANSI 15 KV 2000 A 31 5 KA 12 Electric circuit diagram ...

Страница 51: ...MEDIUM VOLTAGE PRODUCTS 51 51 ...

Страница 52: ...52 VM1 A P INSTALLATION AND SERVICE INSTRUCTIONS ANSI 15 KV 2000 A 31 5 KA 12 Electric circuit diagram ...

Страница 53: ...MEDIUM VOLTAGE PRODUCTS 53 53 ...

Страница 54: ...n close push buttons and ready signalling PRDY Green led lamp for local indication of control and switching unit ready correct position and capacitor level SC 1 Pushbutton for the circuit breaker local closing SO1 Pushbutton for the circuit breaker local opening RD1 Diode RL2 Truck locking m agnet SC2 Pushbutton or contact for the circuit breaker remote closing SL1 Contact locking the circuit brea...

Страница 55: ...ED2 with auxiliary contacts BB1 BB2 CalorEmag type Fig 16 Inputs Outputs for circuit breaker with full options ED2 with auxiliary contacts BB1 BB2 and truck auxiliary contacts CalorEmag type Notes A Connector for CFD Capacitor Fast Discharge WARNING see instruction manual Short circuit XB23 50 with XB23 52 with a Resistor 10 Ohm 50 Watt in series to have a fast capacitors discharge B Serial bus in...

Страница 56: ... More service information abb com service 1VCD601003 V8773 Rev B en Installation and service instructions 2022 03 gs The data and illustrations are not binding We reserve the right to modify the contents of this document following technical developments Copyright 2022 ABB All rights reserved ...

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