Siemens 8BK80 Скачать руководство пользователя | Manualshive

Страница: 23 / 36

background image

15

Function schematic diagram

M1

Motor operating mechanism

closing spring)

spring)

X0

Socket of low-voltage plug connector

Y1

1st Shunt release

Y9

Closing release

Fig. 10: 3AH0 VCB with electrical manual closing with 64-pin socket.

Fig. 11: Remaining contacts of aux. switch (6NO + 6NC)

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Содержание 8BK80

Страница 1: ...8BK80 Genuine metal clad single busbar switchgear with Vacuum Circuit Breaker on withdrawable truck upto 36kV FullyTypedTested including Internal ArcTest ...

Страница 2: ...Answers for infrastructure and cities s www siemens co in Switching Device Compartment for Partners Ivac 36kV 26 3kA upto 1250A with 3AH03 Vacuum Circuit Breaker ...

Страница 3: ...onnected to the drive mechanism through insulated connecting rods Operating mechanism is of stored energy type and suitable for auto reclosing duty The operation can be manual electrical as desired 3AH03 Salient features of 3AH03 Vacuum Circuit Breaker Simple and compact design Interrupters housed inside an enclosed insulated pole Suitable for rapid auto reclosing Highly reliable operation Long ma...

Страница 4: ... Rated Operating sequence O 0 3sec CO 3min CO 400A Guaranteed number of operations for vacuum interrupter at rated current 30 000 Guaranteed number of operations for drive mechanism Yes Type of operating mechanism Motor Spring Reserve Drive M S R D Dimensions Height Width Depth Switching application in various industries infrastructure projects and power utilities ...

Страница 5: ...ne Belapur Road www siemens com medium voltage devices Western Region Mumbai Vadodara Pune B Wing Senapati Bapat Marg Eastern Region Kolkata 43 Shantipalli E M Bypass Rash Behari Connector Northern Region Gurgaon 3rd Floor Tower B Maruti Industrial Area HUDA Southern Region Chennai 9th Floor Sigaphi Achi Building For more information please contact ...

Страница 6: ...Ua AND 1 1 Ua OPERATES SATISFACTORILY AT 0 70 Ua AND 1 1 Ua mV DROP at 100 Amp MECHANICAL OPERATING TESTS CHECKED OK HV TEST ON AUX CIRCUITS 2 kV min OK OK THE EQUIPMENT COMPLIES WITH SPECIFICATIONS OF IEC 62271 100 AND IS 13118 COMPLIANCE WITH ABOVE SPECIFICATION HAS BEEN CHECKED BY ROUTINE TESTING IN TEST LABORATORY min Note Print Date Quality Assurance ENERGY DISTRIBUTION DIVISION THANE BELAPUR...

Страница 7: ...Ua AND 1 1 Ua OPERATES SATISFACTORILY AT 0 70 Ua AND 1 1 Ua mV DROP at 100 Amp MECHANICAL OPERATING TESTS CHECKED OK HV TEST ON AUX CIRCUITS 2 kV min OK OK THE EQUIPMENT COMPLIES WITH SPECIFICATIONS OF IEC 62271 100 AND IS 13118 COMPLIANCE WITH ABOVE SPECIFICATION HAS BEEN CHECKED BY ROUTINE TESTING IN TEST LABORATORY min Note Print Date Quality Assurance ENERGY DISTRIBUTION DIVISION THANE BELAPUR...

Страница 8: ......

Страница 9: ...llation Operation and Maintenance Instructions Air Insulated Switching Device Compartment Ivac 36kV 26 3kA 1250A For Indoor Applications on Withdrawable Circuit Breaker Truck with the system voltages 24kV 36kV ...

Страница 10: ...anel 12 2 6 1 Joining of the Panels 12 2 8 3 Protecting the panels against Environmental effects 14 2 10 Circuit breaker wiring 14 3 Putting the Switchgear into Service 3 1 Test Operations 17 3 1 1 With Door Open 17 Page Nos 4 Operations 4 1 2 1 Normal Operations 20 4 1 3 1 Normal Operations 20 4 1 4 Removing the LV Plug 21 4 1 5 Connecting the LV Plug 21 4 2 Circuit Breaker Operating Mechanism 21...

Страница 11: ...e the notes Symbols used operator to perform an operation General instructions report applicable at the time of switchgear manufacture Five Safety Rules of Electrical Engineering Due application enclosure of live parts DANGER The perfect instructions of the switchgear Observance of the instructions applicable work Safety instructions ...

Страница 12: ...EM 1 1 3 Ambient Temperature Humidity and Installation Altitude Compartment is 1000m above mean sea level 1 2 Design Features 1 2 1 Circuit Breaker Compartment truck with Vacuum Circuit Breaker or Bus PT Truck The 1 2 1 1 Vacuum Circuit Breaker shown in Fig 3b the vacuum circuit breaker Fig 3c shows the arrangement of Fig 1 Switching Device Compartment ...

Страница 13: ...ck with 3AH0 Vacuum Circuit Breaker Fig 3b 3AH0 Vacuum Circuit Breaker 3 9 Mechanism housing 3 10 Vacuum Interrupter 3 12 Contact pressure spring 3 13 Top terminal 3 13 3 14 3 10 3 15 3 16 3 11 3 14 Tulip contact 3 15 Bottom terminal 3 16 Flexible current link 3 47 Detachable cover 3 48 Low voltage socket 3 12 3 47 3 9 3 48 number of ON OFF charging operations The rating plate opening in the cover...

Страница 14: ... 3 32 Opening spring 3 33 Damping plate 3 37 Low voltage socket connector 3 9 3 20 3 31 3 17 3 19 3 26 3 28 3 27 3 18 3 30 3 33 3 32 3 29 3 34 3 22 3 21 3 38 3 37 Fig 3c View of an open mechanism housing Vacuum interrupters The basic construction of the vacuum interrupters for the 3 43 forms the vacuum proof connection to the interrupter housing conform to the requirements of the 1 2 1 2 Equipment...

Страница 15: ...A1 Table 1 Rated currents of motor protection devices 1 2 1 4 Closing release Y9 3AY1510Y Power consumption 200 W VA 1 2 1 5 Shunt releases shunt opening releases Basic 1st Shunt release Y1 3AY1510Y Power consumption 200 W VA Supplementary 2nd Shunt release Y3 3AY15 10Y shunt release The voltage of this release hence can be Power consumption 200W VA Supplementary 2nd Shunt release Y2 3AX1101 Power...

Страница 16: ...ation check the switch crank Release combinations Basic Equipment Closing release 3AY15 10 1st Opening release 3AY15 10 release 3AY15 10 release 3AX1101 release 3AX1103 release 3AX1102 MLFB No at 9th position Y9 Y1 Y3 Y2 Y7 Y4 1 1 A 1 1 1 E 1 1 1 B or W 1 1 1 1 1 1 1 1 D or X 1 1 1 F 1 1 1 1 G 1 1 1 C or Y DC Operational current I A Operational current I A up to 230 10 24 10 10 48 10 9 60 9 7 110 ...

Страница 17: ...sition 1 2 1 12 Removed Position using bolts the circuit breaker truck ensures the earthing of the truck in mechanical counter 4 3 LV connection plug 4 4 Drive mechanism housing 4 5 Truck Drive Box Fig 4 Withdrawable Truck in Test Position door open 4 7 Clip for locking LV plug to breaker spring 4 9 Opening for operating the breaker in service position 4 10 ON push button 4 11 OFF push button ...

Страница 18: ... of the LV plug Transfer of the service position to service position 1 3 Technical Data 1 3 1 Switching Device Compartment r 24 36 kV Voltage Uw 50 70 kV p 125 170 kV sc 26 3 kA 26 3 kA 65 75 kA 1250A 1 3 2 Vacuum Circuit Breaker r 24 36 kV Voltage Uw 50 70 kV Voltage Up 125 170 kV 3 secs 26 3 kA 65 75 kA 65 75 kA 26 3 kA 800 1250 A 250 mm Weight in 250 kg Percentage of DC component 5 1 5 2 5 3 Fi...

Страница 19: ...break instant when the arcing contacts separate in all poles in the subsequent opening process Operating times Closing time ms 80 Spring charging time M1 s 15 Opening time ms 65 ms 65 Arcing time ms 15 Break time ms 80 Break time ms 80 ms 65 ms 300 Close open time with shunt release 3AY15 10 Y1 ms 90 Close open time ms 90 Close open time ms 70 Close open time with fast acting shunt release 3AY15 1...

Страница 20: ... pallet trucks of smaller 2 3 2 Procedure Use of mobile crane the lifting tackle 2 4 Examining the switchgear against damage 2 4 1 Storage The packing cases must be stored indoor such that such natural elements 2 5 Transferring the transport units to their points of installation clearance of about 25 mm between them 2 5 1 Removing the Truck from the Panel clause 4 1 3 1 2 6 Assembling the Switchbo...

Страница 21: ...1 Cleaning the Switchboard Do not use any abrasive chemicals or detergents to clean installed parts 2 8 2 Inserting the withdrawable truck will go Locking the VCB before rack in Fig 9a cross channel Tighten the top two bolts Start rack in 7 2 Upper metallic shutter 7 4 Thermostat 7 5 Space heater Fig 7 View into Circuit Breaker panel after removing the drawout truck 7 1 7 4 7 2 7 3 7 5 8 4 Truck e...

Страница 22: ...om of the panel as shown in the Fig 9b on both 2 8 3 Protecting the panels against environmental effects up with original paint installation 2 9 Module Wiring 2 10 Circuit Breaker wiring circuit breakers are shown in Fig 10 to 13 Fig 9a Fig 9b ...

Страница 23: ...or operating mechanism closing spring spring X0 Socket of low voltage plug connector Y1 1st Shunt release Y9 Closing release Fig 10 3AH0 VCB with electrical manual closing with 64 pin socket Fig 11 Remaining contacts of aux switch 6NO 6NC ...

Страница 24: ...1 Motor operating mechanism closing spring spring X0 Socket for low voltage plug connector Y1 1st Shunt release Y9 Closing release Fig 12 3AH0 VCB with electrical manual closing with 64 pin socket Fig 13 Extended aux switch 12NO 12NC ...

Страница 25: ...e Complete Switch gear is in scope of the OEM closing spring 14 2 Door of circuit breaker compartment Number of operations Operation Counter Closing spring of the circuit breaker operating mechanism 14 3 14 2 14 4 14 7 14 8 14 5 14 6 14 1 Fig 14 Opening Elements 3 1 Test operations 3 1 1 With door open The motor operating mechanism start as soon as the LV Operate the circuit breaker ...

Страница 26: ...OPERATING INSTRUCTIONS FOR 8BK80 SWITCHGEAR FOR DETAILED DESCRIPTION OF ABOVE OPERATIONS SPRING CHARGING OF CB OPENING CLOSING OF DOOR ETC REFER CLAUSE 4 OF THIS MANUAL Fig 15 Label on door of breaker compartment ...

Страница 27: ...tion see 4 1 3 2 Checking the Accessory Items all M8 bolts 3 3 Space Heaters the panels into service The thermostat shall be set to cut ambient temperature Heaters must always be kept ON in all the conditions even during maintenance ...

Страница 28: ... 4 1 2 1 Normal operation 1st Step crank from to as far it will it of from to 90 90 Fig 16a 4 1 3 Transferring the withdrawable part from the connected position to the test disconnected position manually 4 1 3 1 Normal Operations In brief 1st Step crank from to as far it will it of from to 90 90 Fig 16b Make sure that the circuit breaker is open 4 1 3 2 Castell Key Operations 1st Step from to as f...

Страница 29: ... Operating Mechanism Pull the crank off 4 3 1 1 Breaker ON and OFF 4 3 1 2 Mechanically to switch ON OFF the VCB 4 3 1 3 Electrically 4 3 2 Switching State Indication 4 4 Earthing 4 4 1 Earthing of Busbars or cables with a Drawout Truck Fig 32 trucks Procedure 2 5 1 2 8 2 Ensure that there is no voltage available on the parts to clause 4 1 2 4 4 1 1 Disconnection of Earthing Drawout truck 4 1 3 Di...

Страница 30: ...arning plates 4 5 Breaker Compartment Door 5 5 below 4 5 1 To open the door Unscrew all M8 bolts 4 5 2 To close the door Tighten the bolt 17 1 Drawout truck 17 2 PT 17 3 Phase barrier 17 4 Shorting link Fig 17 Drawout earthing truck 17 4 17 3 17 2 17 1 ...

Страница 31: ...sition connections joints Before removing the front plate of the breaker operating the instructions given on the mechanism housing Service the switchgear at shorter intervals if the air is very moist or full of dust or is otherwise polluted 5 1 2 Cleaning Caution For Safety Cleaning Agents into contact with them clean cloth 5 1 3 Lubrication with neutral grease make temperature up to 150 C ...

Страница 32: ... ON OFF grease Shell Tellus 32 oil X X Note 2 Note 3 2 Breaker pole 2 1 Replace vacuum interrupters X number see rating plate 3 Breaker operating mechanism Note 4 3 1 Replace motor M1 X X 3 2 Replace closing spring X 4 Examine and replace if necessary Note 5 Note 6 4 1 X X 4 2 X X 4 3 Leaking of shock absorber X X Fig 18 Notes frequent intervals must not anticorrosives Shell Tellus 32 Lubricants f...

Страница 33: ...r lever switch switch j Bearing for switching shaft k Lever for switch off block I Lever on the switching shaft m Damping plate p Pin for opening spring Shell Tellus 32 Oil a c b e f g h i k l m p j 5 2 2 Servicing General Danger Precautions for Safe Working ...

Страница 34: ...nical failure of operating mechanism centres Nuisance or false closing of breaker 1 Electrical problem terminal 19 or A2 2 Terminal A2 of closing release is wiring or release Correct as per requirement 2 Mechanical problem Mechanical failure of operating mechanism centres Breaker trip not trip 2 There is no tripping wiring 4 or C2 of socket circuit 5 Unoperational tripping release 6 Aux switch S1 ...

Страница 35: ... the areas parts which are likely to be live 6 1 Drawout Unit in Connected Position Switch off the circuit breaker Make sure that the busbars are not live 4 6 1 6 2 Drawout Unit in disconnected position off 6 3 Restoring the Door Interlocks Assemble the interlocking piece using two M4 screws 7 Disposal of Product wires materials or gases contractors ...

Страница 36: ...intenance or cleaning of the panels operating mechanism parts such as plungers of functioning of space heaters the breaker 11 Check insulation resistance with a megger before putting the breaker back into service 12 Keep a log book for each panel 13 Follow instructions given in the operating manual DON Ts these instructions 5 Do not lift the panel from the top with breaker ...

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