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ABB AMVAC Installation And Operation Manual

Manual is about: Medium Voltage Vacuum Circuit Breakers

Summary of AMVAC

  • Page 1

    Amvac™ medium voltage vacuum circuit breakers installation and operation manual provided by northeast power systems, inc. (nepsi).

  • Page 2

    2 1val050601-mb rev c provided by northeast power systems, inc. (nepsi).

  • Page 3: Able

    3 1val050601-mb rev c t able of c ontents foreword .............................................................................................................................................................. 4 introduction & safe practices .............................................................

  • Page 4: Foreword

    4 1val050601-mb rev c foreword this booklet provides information for the medium voltage (5kv to 27kv) amvac tm indoor circuit breakers as described below. Note: not all sections of this bulletin appllies to all the types of amvac tm circuit breakers. For example, the racking and interlock sections o...

  • Page 5: Warning

    5 1val050601-mb rev c s afe p ractices : amvac™ circuit breakers are equipped with high energy electrical storage capacitors. The design includes several interlocks and safety features which help ensure safe and proper operating sequences. To ensure safety of personnel associated with installation, ...

  • Page 6: Caution

    6 1val050601-mb rev c r eceiving , h andling , and s torage : amvac™ circuit breakers are subject to complete factory production tests and inspection prior to packaging and shipment. The shipping package is designed to provide reasonable protection during shipment and to provide convenient handling....

  • Page 7: Caution

    7 1val050601-mb rev c caution always follow safe work practices when lifting the circuit breakers to protect the safety of personnel and equipment. Always inspect lifting hook for signs of wear or damage before use. Do not use a lifting hook that is damaged or worn. The lifting device (i.E. Hoist, w...

  • Page 8: Accessories

    8 1val050601-mb rev c 2 accessories m anual t rip h andle : the manual opening handle (1) is designed to open the amvac circuit breaker manually. Insert the handle into the opening in the front panel (2) and turn it counter-clockwise until the circuit break- er opens. The manual opening handle shall...

  • Page 9: Insertion And Removal

    9 1val050601-mb rev c i nsertion and r emoval this section describes the necessary steps for inserting and removing a circuit breaker to and from the switchgear’s “disconnect” position. Racking the circuit breaker to and from disconnect, test and connected positions is covered in the next section. T...

  • Page 10: Insertion And Removal

    10 1val050601-mb rev c i nsertion : (refer to figure 1] for compartment detail, [appendix a] for breaker detail) 1. Open switchgear breaker compartment door [h] to its fully opened position. 2. Align lift truck left & right platform guides with switchgear latch openings. 3. Raise platform for easy i...

  • Page 11: Insertion And Removal

    11 1val050601-mb rev c r acking : amvac™ circuit breakers are provided with three positive stop racking positions. “disconnect” position allows for (door open) manual opening only through the use of the manual opening handle (spring loaded) or operation through the use of the electrical close / open...

  • Page 12: Insertion And Removal

    12 1val050601-mb rev c 2. Begin racking procedure using approved racking crank: a. Insert racking crank socket into breaker door access port and rotate until socket slides into position. B. Hold racking crank with left hand and depress position lever with right hand. C. Turn racking crank counter-cl...

  • Page 13: Structure And Function

    13 1val050601-mb rev c c ircuit b reaker s tructure : (refer to figure 2) s tructure of the circuit breaker poles : the encapsulated poles are mounted on the rear flat section of the circuit breaker enclosure. The live parts of the circuit breaker poles are enclosed in cast resin and protected from ...

  • Page 14: Structure And Function

    14 1val050601-mb rev c s torage capacitors : (figure 2c) the energy for the operation of the circuit breaker is stored electrically in two storage capacitors. The breaker is de- signed in such a way that when the capacitors are fully charged, there is enough energy for an o-c-o (open-close- open)* o...

  • Page 15: Structure And Function

    15 1val050601-mb rev c c ircuit b reaker c ontrol : all the conditions for control of the magnetic actuator mechanism are defined in a permanently programmed logic module. These conditions are:  auxiliary voltage must be applied to the ac/dc converter.  the storage capacitors must have sufficien...

  • Page 16: Structure And Function

    16 1val050601-mb rev c p ackages : amvac tm circuit breakers are available with three control packages. The standard package (package 1) comes as an advac ® (spring stored energy mechanism) replacement circuit breaker. It comes with all functions of an advac ® circuit breaker having one secondary di...

  • Page 17: Structure And Function

    17 1val050601-mb rev c structure and function figure 2a: circuit breaker front with controls 1 breaker enclosure 1.1 front plate 1.2 lifting bracket, both sides 2 “ready” indicator 3 close push-button 4 open push-button 5 mechanical operating cycle counter 6 mechanical close/open indicator 7 rating ...

  • Page 18: Danger

    18 1val050601-mb rev c i nterlocks : the amvac™ circuit breaker contains a number of interlocks. A description of each interlock follows as encountered during racking of the circuit breaker into the compartment. P osition i nterlocks : the position release lever must be depressed in order to begin r...

  • Page 19: Maintenance Schedule

    19 1val050601-mb rev c m aintenance : the mechanism requires visual inspection of hardware, lubrication and operation during routine inspection. Before beginning any maintenance, remove the control power, and initiate the discharge of the storage capacitors by pulling the truck handles inward. Wait ...

  • Page 20: Maintenance

    20 1val050601-mb rev c t ruck : the truck requires visual inspection of hardware, lubrication and operations during routine maintenance. With the breaker outside the cell, verify all visible hardware tightness, including handles (9) and wheels (7). Wheels should rotate freely by hand movement. Repla...

  • Page 21

    21 1val050601-mb rev c p rimary c ircuit a ssembly : (pole) the primary circuit requires visual inspection of hardware, low-frequency withstand voltage testing to insure vacuum, and lubrication during routine maintenance. All insulation material should be clean and free of structural cracks. Some mi...

  • Page 22

    22 1val050601-mb rev c c ontrol w iring : the control wiring requires visual inspection of hardware during routine maintenance. Disconnect control power before verifying secondary hardware and before low-frequency withstand voltage testing. Remove the front cover with a screwdriver. Correct any loos...

  • Page 23: Appendices

    23 1val050601-mb rev c 15 2 1 4 3 9 19 18 17 16 10 # description 1 front plate assembly 2 charged/discharged “ready” indicator 3 close push button 4 open push button 5 operation counter 6 close/open indicator 7 rating label 8 manual opening handle slot 9 collar 10 racking screw 11 position release l...

  • Page 24: Appendices

    24 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices d rawout b reaker : all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 25: Appendices

    25 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 26: Appendices

    26 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 27: Appendices

    27 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 28: Appendices

    28 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 29: Appendices

    29 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 30: Appendices

    30 1val050601-mb rev c appendix b basic breaker dimensions and weights appendices all amvac tm circuit breakers of this style have the same basic dimensions (i.E. Pole spacing) regardless of pole configuration. Provided by northeast power systems, inc. (nepsi).

  • Page 31: Appendices

    31 1val050601-mb rev c appendix b appendices type u i r i sc mechanism cubile amvac 15kv 1200-2000a 50ka a5 safegear hd tm weight 410lbs, 186kg provided by northeast power systems, inc. (nepsi).

  • Page 32: Appendices

    32 1val050601-mb rev c appendix b appendices type u i r i sc mechanism cubile amvac 15kv 3000a 50ka a5 safegear hd tm weight 420lbs, 190kg provided by northeast power systems, inc. (nepsi).

  • Page 33: Appendix C

    33 1val050601-mb rev c appendix c ed2 electronic control board appendix c following are the basic characteristics for the control power and close and open operations of the amvac tm circuit breaker. D rawout - s tandard w iring : the schematic illustrates the basic wiring scheme for a drawout circui...

  • Page 34: Appendix C

    34 1val050601-mb rev c e lectronic c ontrol b oard 1.0 overview the actuator control board is comprised of a power supply recharge unit, control unit, and fet switching circuit which connects the storage capacitors to the magnetic actuator coils. The power supply recharge circuitry adapts to whateve...

  • Page 35: Appendix C

    35 1val050601-mb rev c binary inputs there is a removable filter card plugged into the control board. This filter card has five metal jumpers on the board. When these jumpers are cut, the binary input threshold is raised by 20 volts. It is recommended that these jumpers are cut for 125vdc applicatio...

  • Page 36: Appendix C

    36 1val050601-mb rev c appendix c second trip (km1005, ch 4, pins 7 and 8) this input can be configured as either a protection trip or second trip function. It is programmed via jumper jp1001 pins 1 and 2 or as a normal input by jumping jp1001 pins 2 and 3. The protection trip input is designed to w...

  • Page 37: Appendix C

    37 1val050601-mb rev c appendix c binary outputs binary outputs are pairs of mechanical wipe relay contacts. They can be employed to switch in other circuitry or to an alarm indicator. See illustration 3 and 4 for the power limitations of the contacts. Notice the flat curve for ac voltage in illustr...

  • Page 38: Appendix C

    38 1val050601-mb rev c appendix c characteristic wipe contacts relay switching characteristics maximum switching power 1500 va on resistive load maximum switching voltage 400 vac, 300 vdc maximum switching current 6 a maximum rated current 6 a contacts characteristics maximum on resistance (ron) 100...

  • Page 39: Appendix C

    39 1val050601-mb rev c appendix c e lectronic c ontrol b oard features temperature protection the temperature protection circuit monitors the average temperature of a critical area on the ed2.0 power supply. The output power will be linearly reduced to zero as the temperature increases from 172 to 2...

  • Page 40: Appendix C

    40 1val050601-mb rev c appendix c e lectronic c ontrol b oard capacitor life the standard 0.1 farad electrolytic capacitors are designed to be operated in the temperature range of --40° f to 185°f (--40°c to 85°c). The end-of-life corresponds to the point at which the capacitance decreases by 20% or...

  • Page 41: Appendix C

    41 1val050601-mb rev c e lectronic c ontrol b oard appendix c breaker ready / not ready binary output contacts and ready light status condition circuit breaker position close open capacitor energy sufficient for o-co operations ready led: on ready contact: closed not ready contact: opened ready led:...

  • Page 42: Appendix C

    42 1val050601-mb rev c appendix c i1002 i1004 km1005 (inputs) 14 - under voltage 13 + under voltage 12 - close blocking 11 + close blocking 10 not used 9 not used 8 - 2nd trip/protect trip 7 + 2nd trip/protect trip 6 - aux open/safe open 5 + aux open/safe open 4 - cb remote open 3 + cb remote open 2...

  • Page 43: Appendix D

    43 1val050601-mb rev c appendix d note : single secondary draw-out has only plug 1. * note: on fixed mount breakers only p3-1 and p3-4 does not ex- ist. Pin 11 on km1005 is directly wired to pin 2 on km1003 for the lock circuit breaker open circuit. Also p1-16 wire 13 goes directly to * * * * * prov...

  • Page 44: Appendix D

    44 1val050601-mb rev c appendix d * note: o n fixed mou nt brea kers o n ly p3-1 and p3-4 does n ot exist. Pin 11 on km10 05 is directly wire d to pin 2 on km100 3 for the lock circuit brea k- er ope n circui t. Also p1 -16 wire 13 g oe s directly to 52b1 o n bb3 * * provided by northeast power syst...

  • Page 45: Appendix E

    45 1val050601-mb rev c appendix e procedure for setting under voltage trip option: note: breaker must have dual secondary disconnect to use under voltage option. The under voltage trip input will perform an auto trip in the event the voltage source being monitored by this input falls between 35% to ...

  • Page 46: Appendix F

    46 1val050601-mb rev c appendix f provided by northeast power systems, inc. (nepsi).

  • Page 47: Appendix G

    47 1val050601-mb rev c appendix g provided by northeast power systems, inc. (nepsi).

  • Page 48

    48 1val050601-mb rev c product quality and environmental protection abb products are manufactured to meet or exceed the standards of compliance for quality and environmental manage- ment systems in accordance with iso 9001 and iso 14001. All of these items can be supplied with a certificate of quali...

  • Page 49: Notes

    49 1val050601-mb rev c notes provided by northeast power systems, inc. (nepsi).

  • Page 50

    50 1val050601-mb rev c contact us abb inc. 655 century point lake mary, fl 32746 phone: +1 407 732 2000 customer service +1 800 929 7947 ext. 5 +1 407 732 2000 ext. 2510 e-mail: customer.Service.Group@us.Abb.Com www.Abb.Com/mediumvoltage all sales are subject to abb inc. General terms and conditions...