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5

S A FE T Y, FO R E W O R D

This manual provides information for the ADVAC®
38 kV medium voltage circuit breakers as described
below. All information in this manual was current at
the time of printing. The ADVAC 38 kV circuit
breakers have a front panel width of 780 mm (30.7
inches) and come in two configurations — draw-out
floor-rolling and fixed mounted. Applicable
standards are NEMA, IEEE, NEC and ANSI C37.04,
C37.06, C37.09 and C37.20.2 with UL listing
available. The normal operating temperature range
is from -25 °C (-13 °F) to 40 °C (104 °F). Elevation
should be less than 3300 feet above sea level
(at higher elevations, a de-rating factor will be
applied per ANSI standard).

Similarly to all the apparatus ABB manufactures,
the ADVAC 38 kV circuit breakers are designed
for different installation configurations. They can,
therefore, undergo further technical construction
modifications (at the customer’s request) so as to
adapt them to special installation requirements.

Consequently, this manual may not contain
instructions concerning special customized
configurations. This means that, besides this
manual, it is always necessary to consult the latest
technical documentation (circuit and wiring
diagrams, layouts, assembly and installation
drawings, any protection coordination studies,
etc.), especially regarding any variants requested
in relation to the standard configurations.
Use only original spare parts for maintenance
operations. Please also consult the circuit breaker
technical catalog and the spare parts catalog for
further details.

Introduction
General instructions
Read these instructions carefully before installation
and use this manual as a guide during installation
and initial operation.

File these instructions with other instruction
books, drawings and descriptive data of the
switchgear. Keep this manual available for
installation, operation and maintenance of this
equipment. Use of these instructions will facilitate
proper maintenance of the equipment and prolong
its useful life.

Scope of instructions
The instructions are general in nature. They cover
requirements for installation, setup, checkout and
maintenance as applied to all ratings of ABB ADVAC
38 kV circuit breakers. These instructions do not
attempt to cover all variations and combinations
of equipment and installations. Other helpful
reference information to keep on hand may include:
• Bills of materials that list electrical devices

and equipment

•  Single line drawings showing power connections
•  Elementary and schematic diagrams
•  Connection diagrams

—

Foreword

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Содержание ADVAC 38

Страница 1: ... INSTALLATION OPER ATION AND MAINTENANCE MANUAL ADVAC 38 40 5 kV circuit breaker and PB8 compartment ...

Страница 2: ...turing for the highest quality assurance ABB s millimeter precision design reduces maintenance while helping ensure reliability and safety for critical applications The ADVAC 38 series medium voltage breakers are characterized by their compact size low weight and floor rolling withdrawable designs that are the premium choice for modern electrical distribution applications ...

Страница 3: ...and safe practices 08 Receiving storage and handling 10 Insertion and removal 15 Interlocks 16 Operation 18 Control scheme 20 Maintenance 29 Accessories 35 Outline drawings 47 Ordering information 52 Environment 53 X ray emission standards 54 Product quality and environmental protection ...

Страница 4: ...ust have thorough knowledge of all applicable local regional industry government and OSHA safety procedures as well as commonly accepted safe working practices Personnel working in or around this equipment must also exhibit common sense and good judgment regarding the potential hazards for themselves and other personnel in the area These instructions are intended for use by fully qualified personn...

Страница 5: ...cuit and wiring diagrams layouts assembly and installation drawings any protection coordination studies etc especially regarding any variants requested in relation to the standard configurations Use only original spare parts for maintenance operations Please also consult the circuit breaker technical catalog and the spare parts catalog for further details Introduction General instructions Read the...

Страница 6: ...lass M2 10k 10k 10k 10k 10k 10k Lightning impulse withstand voltage Up withdrawable fixed kV 150 190 150 190 150 150 190 150 190 150 Power frequency withstand voltage Ud kV 80 80 80 80 80 80 TRV Peak Uc kV 69 4 69 4 69 4 66 2 66 2 66 2 RRRV kV μs 0 61 0 61 0 61 0 61 0 61 0 61 Rise time t3 μs 113 113 113 109 109 109 Time delay td μs 17 17 17 16 16 16 Dimensions of floor rolling variation Height mm ...

Страница 7: ...te nylon or rayon clothing by employees working with exposure to electric arcs or flames Safe practices The ADVAC 38 kV circuit breakers are equipped with high energy high speed mechanisms The design includes several interlocks and safety features that help ensure safe and proper operating sequences To ensure safety of personnel associated with installation operation and maintenance of these break...

Страница 8: ... advisable to provide adequate means of environmental protection This may be accomplished by keeping the breaker in its original shipping container and storing in a warm dry and uncontaminated atmosphere The breakers should be stored to minimize condensation Moisture can cause deterioration of metal parts and high voltage insulation Handling The ADVAC 38 kV circuit breaker shipping containers are ...

Страница 9: ...nto switchgear compartment For further details on breaker lifting and commissioning refer to ADVAC breaker commissioning manual 1VAL0501 MB 1 Racking handle The racking handle is designed to easily rack the breaker into and out of a switchgear enclosure It is also used to change the position of the device from the disconnect test and connect positions Press down on the release lever and rotate rac...

Страница 10: ...aker secondary control voltage ratings are compatible with switchgear control voltage ratings Always make sure lifting angles item 1 on previous page are removed prior to inserting breaker into breaker compartment or cell Do not attempt to insert the circuit breaker prior to a complete inspection of both breaker and switchgear compartment Breaker and compartment must be free of tools obstructions ...

Страница 11: ...cting devices and engages the control contacts This position allows operation of the circuit breaker for testing 7 1 1 2 3 4 5 6 8 9 10 10 10 3 Connected position engages the main and control disconnecting devices on the breaker Mechanical interlocks prevent moving a circuit breaker from one position to another unless the circuit breaker is open The interlocks also prevent closing of the breaker b...

Страница 12: ...d through the secondary contacts with the shutters closed As the breaker approaches the connected position an increase in racking force is required to lift the shutters and engage the primary contacts In the connected position the primary disconnects are fully engaged with the shutters open and electrical operation of the breaker through the secondary contacts remains enabled 1 Engage racking hand...

Страница 13: ...ed 2 Actuate push down position release lever to begin racking from test position a Begin racking in the counterclockwise direction b Release position release lever once racking has begun after approx 1 2 turn c Approximately 40 revolutions 400mm are required to move the breaker between the connect and test positions The test position is indicated by a positive lock preventing further racking shaf...

Страница 14: ...o lift platform ensuring cell interlock tabs are engaged into the platform slots and breaker truck handles lock into the compartment module interlock slots Summary of racking data Position Disconnect Test Connect Approximate distance from disconnect 40 mm 4 revolutions 1 5 inches 440 mm 44 revolutions 17 3 inches Manual operation Yes Yes Not recommended Electrical operation No Yes Yes Control powe...

Страница 15: ... the breaker is in the disconnect position The closing spring may be manually recharged in the disconnect and withdrawn positions Verify that the breaker is open and the closing spring is discharged before removing the breaker from the cell Spring charged This maintenance interlock prevents breaker removal from the compartment until the closing spring has been manually discharged in the disconnect...

Страница 16: ...open indicator changes to closed b Closing spring charged discharged indicator changes to discharged c Breaker ready to perform open O operation If O C O is desired see step 7 4 Manually close breaker via open push button a Breaker opens Close open indicator changes to open b Closing spring charged discharged indicator changes to discharged c No additional operations are available Return to step 3...

Страница 17: ...perform C O operation 3 Close breaker using manual close push button or by electrical signal to the close coil after close operation the motor charges unless control power is removed a Close coil closes breaker Close open indicator changes to closed Closing spring charged discharged indicator changes to discharged Charging motor energizes Charge time is approximately 8 10 seconds at nominal voltag...

Страница 18: ...cted position b Motor charges through 33LSb 3 Closing spring charged a 33LSa closes b 33LSb opens removing control power to motor c Breaker is ready to close 4 Electrical control pulse sent to close circuit a Current energizes close coil 52X coil through the close blocking switch and closes breaker b Closing spring discharges 33LSa closes and 33LSb opens c 52a closes and 52b opens d Coil de energi...

Страница 19: ...trol voltage available to charging motor Closing spring charged Close signal Start of closing operation Close operation complete Closing spring discharged Opening spring charged Compression springs charged Closing spring charged Start of opening operation Open operation complete Compression springs discharged Closing time Opening time ON OFF ON OFF ON OFF ON OFF ON OFF ON OFF Opening springs disch...

Страница 20: ...rged Opening springs are always charged when the circuit breaker is closed Mechanism The mechanism requires visual inspection of hardware lubrication and operation during routine inspection Before beginning any maintenance discharge the closing springs by pressing the manual close button Open the breaker by pushing the manual open button Press the close and open buttons again to ensure the breaker...

Страница 21: ...he cams 2 on the rotating operating shaft 1 move the closing lever assembly 3 to charge the closing spring A part of the closing spring s force works on the closing hook through the closing lever assembly and the pin of the cam toggle assembly 4 The closing hook remains locked by the closing shaft 5 and the opening hook reaches its position where it receives the central hook of the cam toggle asse...

Страница 22: ... clockwise 4 which transfers the motion to the push rods connected to the contacts in the vacuum interrupters The breaker signals that it is closed 1 1 5 4 3 2 10 9 8 6 The long levers reach their settled position 6 once the breaker is closed and are held by the central hook of the cam toggle assembly 8 The contact springs inside the poles and the opening spring inside the frame are charged The co...

Страница 23: ...losing operation Activating the opening push button rotates the opening shaft and releases the opening hook 2 This action releases the central hook of the cam toggle assembly 3 allowing the contact and opening springs to transfer their energy to the long levers 4 The main shaft rotates clockwise 5 and the breaker signals that it is open 1 5 2 3 4 ...

Страница 24: ...errupter push rod assembly The ADVAC 38 kV circuit breakers are rated up to 38 kV 40 kA and require inspection and maintenance that must be performed after every 2000 operations to ensure the circuit breaker functions correctly Contact ABB Service for available service contracts 1 Auxiliary contacts 2 Open push button 3 Main shaft 4 Breaker status indicator 5 Opening spring 6 Charging motor 7 Char...

Страница 25: ...d is located behind the charging motor to the left of the mechanism Clean off any dirty grease with a rag and apply clean grease in each of the locations noted below Serious injury may occur Keep hands and tools clear of the mechanism during opening and closing operations and anytime the closing or opening springs are charged Opening springs are always charged when the circuit breaker is closed 1 ...

Страница 26: ...secondary locking tab 1 for any damage Return truck to disconnect position As a precaution do not operate the breaker outside the cell unless the truck is in the full disconnect position The racking pin monitor 5 is a truck operated contact TOC that gives absolute operation position status for test and connect position indication The TOC contacts located in the breaker compartment change state jus...

Страница 27: ...breaker control wiring if the insulation fails during low frequency withstand voltage testing Refer to ABB replacement parts manual for replacement wiring part numbers Replace the front cover before operation Verify the operation with 2 5 electrical operations in the test position or with a remote power supply Primary circuit assembly The primary circuit assembly pole requires visual inspection of...

Страница 28: ...e see table for test voltage 4 Hold for one minute 5 Decrease potential to 0 zero and turn off machine 6 Repeat for the remaining five terminals A successful withstand indicates satisfactory vacuum integrity If flashover occurs contact ABB Customer Service see contact information on the back cover of this manual Testing should be performed with an AC source only DC testing is not considered a vali...

Страница 29: ...is also leads to a reduce battery bank size when used with backup systems Additionally SmartCS has a much faster response time than a standard coil in that it triggers from a voltage threshold for actuation whereas standard coils require a large current increase in the circuit to create the necessary magnetic force for activation The use of the wrong control coils in a circuit breaker will cause i...

Страница 30: ...nent and instantaneous duty However an auxiliary contact BGB1 de energizes it after the circuit breaker has opened To guarantee release action the current impulse must last at least 100 ms Continuity functionality can be checked with a continuity control device CCC opening circuit supervision TCS or the STU functionality control device supplied on request Release MBO2 has the same electrical and o...

Страница 31: ... and re closing commands maintained To guarantee the closing action the current impulse must last at least 100 ms If shunt closing release MBC and undervoltage release MBU have the same supply voltage and the circuit breaker must close automatically when auxiliary voltage returns there must be a delay of at least 50 ms between the undervoltage release energizing and the shunt closing release energ...

Страница 32: ...ansformer it provides locking upon automatic closing opening in the absence of voltage in the medium voltage main circuit If shunt closing release MBC and undervoltage release MBU have the same supply voltage and the circuit breaker must close automatically when auxiliary voltage returns there must be a delay of at least 50 ms between the undervoltage release energizing and the shunt closing relea...

Страница 33: ...ring maintenance work the closing spring can be charged manually by means of the special crank handle incorporated in the operating mechanism Characteristics Un 24 to 48 V DC 125 V DC 250 V DC 120 V AC 240 V AC Operating limits 85 to 110 Un Power on inrush ps 600 W 900 W for 40 kA 3000 A and C2 rated breakers Rated power pn 200 W 350 W for 40 kA 3000 A and C2 rated breakers Inrush duration 0 2 sec...

Страница 34: ...brations envisaged by the shipping registers UL 508 EN 60947 DC 21A DC 22A DC 23A AC 21A RoHS directive General characteristics Insulation voltage to standard VDE 0110 Group C 660 V AC 800 V DC Rated voltage 24 V to 660 V Test voltage 2 kV for 1 min Maximum rated current 10 A 50 60 Hz Breaking capacity Class 1 IEC 62271 1 Number of contacts 5 Groups of contacts 10 16 20 Contact travel 90 Actuating...

Страница 35: ... AA4Y2 38kV 2000A 32kA EL3s ENCLOSURE 38 20 40 CBRL2 ADVAC 38 20 40 AA4Z2 38kV 2000A 40kA ELevo ENCLOSURE 38 20 40 CBRL2 ADVAC 38 30 40 AA4Z3 38kV 3000A 40kA ELevo ENCLOSURE 38 30 40 CBRL5 2020 09 16 A Malafronte IT DAL ITABB A A Delpozzo L Chenet 2020 09 17 IT DAL IT DAL 2020 09 17 EDO D0002430 ADVAC Overal Subtitle Type Derived from Name Date Location Revision Drawn Checked Approved EC No Title ...

Страница 36: ...0 7 596 5 23 5 497 6 19 6 8 70 2 8 5xM12 30 1 181 deep Same pole connection 609 24 886 3 34 9 383 4 15 1 217 8 5 596 5 23 5 9 7 CAPTION 1 OPENING PUSH BUTTON 2 CLOSING PUSH BUTTON 3 LEVER FOR MANUAL CLOSING SPRING CHARGING 4 SIGNAL FOR CLOSING SPRINGS CHARGED YELLOW AND DISCHARGED WHITE 5 INDICATOR FOR CIRCUIT BREAKER OPEN O AND CLOSED 6 OPERATING COUNTER 7 M12 EARTHING TERMINAL 8 HEAT SINK only f...

Страница 37: ...ion Opening ventilations needed for all ratings and variants 9 9 Door 4 8 Door 5 2021 08 31 1 2 G Cuter IT DAL ITABB B 002 1 50 A3 38kV OverAll Dimension Sheet No Format Language Scale Subtitle Type Derived from Name Date Location Revision Drawn Checked Approved EC No EN Draft Drawing status Title Drawing No Responsible 2RDA032669A0001 ABB Switzerland Ltd 58549083 01 mm 900 92 kg Weight Material f...

Страница 38: ...out roof mandatory opening ventilation see sheet one 2021 08 31 2 2 G Cuter IT DAL ITABB B 002 1 20 A3 38kV OverAll Dimension Sheet No Format Language Scale Subtitle Type Derived from Name Date Location Revision Drawn Checked Approved EC No EN Draft Drawing status Title Drawing No Responsible 2RDA032669A0001 ABB Switzerland Ltd 58549083 01 mm 900 92 kg Weight Material f m c v H L K X X PROPRIETARY...

Страница 39: ...39 OUTLINE DR AWINGS ITSCB ABB Switzerland Ltd Group Technology Management Circuit diagram of enclosure for 38 kV circuit breakers ...

Страница 40: ...40 ADVAC 38 KV INSTALL ATION OPER ATION AND MAINTENANCE MANUAL Outline drawings ITSCB ABB Switzerland Ltd Group Technology Management Circuit diagram of enclosure for 38 kV circuit breakers ...

Страница 41: ...41 OUTLINE DR AWINGS ITSCB ABB Switzerland Ltd Group Technology Management Circuit diagram of enclosure for 38 kV circuit breakers ...

Страница 42: ...42 ADVAC 38 KV INSTALL ATION OPER ATION AND MAINTENANCE MANUAL Outline drawings ITSCB ABB Switzerland Ltd Group Technology Management Circuit diagram of enclosure for 38 kV circuit breakers ...

Страница 43: ...43 OUTLINE DR AWINGS ITSCB ABB Switzerland Ltd Group Technology Management Circuit diagram of enclosure for 38 kV circuit breakers ...

Страница 44: ...r general symbol 06 04 01 Motor general symbol Symbol ICE ref number Caption ITSCB ABB Switzerland Ltd Group Technology Management 06 14 04 Rectifier in full wave bridge connection ITSCB ABB Switzerland Ltd Group Technology Management 07 02 01 Make contact ITSCB ABB Switzerland Ltd Group Technology Management 07 02 03 Break contact ITSCB ABB Switzerland Ltd Group Technology Management 07 02 04 Cha...

Страница 45: ...A MAT Motor drive for racking circuit breaker in and out of cell direct current supply allocated on circuit breaker s truck MSC 52X Shunt closing release MB01 52TC1 First shunt opening release see note B MB02 52TC2 Second shunt opening release see note B MBU 27UV Instantaneous undervoltage release see note C PFG LED signaling circuit breaker in isolated position PFR LED signaling circuit breaker i...

Страница 46: ...lly before energizing the auxiliary circuit B The circuit for supervision of shunt opening release coil continuity shall be used for this function only It is possible to use the shunt opening release test unit device to check coil continuity C The undervoltage release is available in a version suitable for circuit breaker supply side feeding or for feeding from an independent source Circuit breake...

Страница 47: ... B roll on the floor F fixed or stationary for digit 2 Step 3 Specify 4 for EL type also know as model 4 ADVAC circuit breaker for digit 3 Step 4 Select the system ratings according to the table below for digits 4 and 5 See following page for continuation of ordering steps ADVAC 38 style number digits 4 5 Digits 4 5 kV class Max wave voltage kV Continuous current A Short circuit current A BtB C2 c...

Страница 48: ...ep 14 Select grounding option for digit 15 Step 15 Select truck option for digit 16 Digit Value Charge motor voltage 6 A 120 V AC B 240 V AC 5 24 V DC 6 48 V DC 7 125 V DC 8 250 V DC Digit Value Close coil voltage 7 A 120 V AC B 240 V AC 5 24 V DC 6 48 V DC 7 125 V DC 8 250 V DC Digit Value Open coil voltage 8 A 120 V AC B 240 V AC 5 24 V DC 6 48 V DC 7 125 V DC 8 250 V DC Digit Value Second open ...

Страница 49: ...tton cover 2 Close button cover 3 Key lockout open position Digit Value Labeling 14 0 N A U UL sticker see note 6 S Spanish labeling T Spanish labeling UL sticker Digit Value Ground contact fixed mount options 15 0 Lock handle kit G Copper ground contact lock handle kit 1 AF4 no Kirk key interlock 2 AF4 Kirk key interlock 3 PIP interlocking closed door racking 4 Copper ground contact Digit Value M...

Страница 50: ...fault current rating 1 16 kA 3 31 5 kA 2 25 kA 4 40 kA Compartment Cell type Breaker prefix kV class Continuous current kA rating CT kits required For future use TOC switch assembly Door assembly For future use Smart rack plate Door stop assembly For future use Sample style number Digit Value 1 C Compartment Digit Value 2 B Breaker Digit Value 3 R Roll on the floor Digit Value kV rating 4 L 38 kV ...

Страница 51: ...h door assembly should be included 0 No door A Right hand door B Left hand door 10 Digit 11 Select door stop assembly Y Included N Not included 10 Digit 12 Select 0 Not installed 11 Digit 13 Select 0 For future use 12 Digit 14 Specify 0 For future use Digit Value CT kits 7 0 None 1 6 CTs per compartment 2 12 CTs per compartment 3 18 CTs per compartment Digit Value Not used 8 2 None Digit Value TOC...

Страница 52: ...ecifying the cooling ventilation required to limit temperature rise Unusual service conditions The planned use of the ADVAC 38 kV circuit breakers and switchgear outside the normal ambient temperature range of 25 C to 40 C is considered special or unusual Reference should be made to ANSI C37 20 2 table 10 For example If installed in a 50 C ambient temperature the switchgear continuous current rati...

Страница 53: ...e 96 29 Erratum of the Council of 13 May 1996 ABI L 159 of 29 June 1996 Application of rated power frequency withstand voltage specified for the switching device by VDE 0671 1 or IEC 62271 1 is completely safe Higher voltages than rated power frequency withstand voltage or DC test voltage specified in VDE or IEC standards must NOT be applied Containment of the above mentioned local dosage output w...

Страница 54: ... such contract states the entire obligation of the seller The contents of this document shall not become part of or modify any prior or existing agreement commitment or relationship The information recommendations descriptions and safety notations in this document are based on ABB experience and judgment with respect to metal clad and metal enclosed switchgear This information should not be consid...

Страница 55: ...the agreed particulars shall prevail ABB Inc does not accept any responsibility whatsoever for potential errors or possible lack of information in this document We reserve all rights in this document and in the subject matter and illustrations contained therein Any reproduction disclosure to third parties or utilization of its contents in whole or in parts is forbidden without prior written consen...

Страница 56: ... Dr Cary NC 27511 1 800 929 7947 ext 5 customer service group us abb com ABB Inc Electrification Services Florence South Carolina Phone 1 800 HELP 365 option 7 ABB S p A ABB SACE Division Medium Voltage Products Via Friuli 4 I 24044 Dalmine Tel 39 035 6952 111 Fax 39 035 6952 874 E mail info mv it abb com www abb com mediumvoltage ...

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