ABB VD4 Series, Addendum Manual

Page 1: ...6 gas CB HPA36 Addendum to VD4 installation operation and maintenance manual DISTRIBUTION SOLUTIONS VD4 36kV vacuum CB cradle solutions for retrofitting SF6 gas CB HPA36 Addendum to VD4 installation o...

Page 2: ...4 36kV cradle retrofit solution makes the use of fixed VD4 type of circuit breaker For this reason most of the information contained in the VD4 instruction manual is also effective for this retrofit s...

Page 3: ...fit solution 06 Specific VD4 36kV cradle retrofit instructions 06 Packing transport 06 Handling 07 Handling with slings 08 Handling with trolley 09 10 Description 11 12 Instruction for VD4 CB operatio...

Page 4: ...on of cradle retrofit solutions require modification in existing VHA 36 switchgear panel However this apparatus allows further technical construction modifications at the customer s request to adapt t...

Page 5: ...nce standard Section 5 3 EL operating mechanism Section 5 4 Fixed circuit breaker Section 5 4 1 General characteristics of fixed circuit breakers 36Kv Section 5 4 2 Type of circuit breakers available...

Page 6: ...t all the materials described in the shipping notes are including in the supply Should any damage or irregularity be noted in the supply on packing notify ABB directly or through the agent or supplier...

Page 7: ...ndling not to stress the insulating parts and the circuit breaker terminals Fig 7 1 Fig 7 2 Fig 7 3 In any case it is always advisable to carry out lifting using the supports figure 7 4 8 1 in positio...

Page 8: ...ing platform can be moved up down depending on the direction of rotation of the handle Fig 8 1 In order to insert circuit breaker into the VHA 36 panel position the trolley in front of the panel lift...

Page 9: ...ers withdrawable version The VD4 36kV cradle retrofit solution is specifically used for retrofitting SF6 gas circuit breakers HPA36 in ABB make VHA36 panels The circuit breaker is having three pole as...

Page 10: ...SE 4 Indication for closing spring charged discharged 5 Operation counter 6 Lever for manually charging the closing spring 7 Rating plate 8 Earthing contact 9 Common truck 10 Cable stem 11 Coil suppor...

Page 11: ...s figure 11 1 Legends of figure 11 1 1 Front cover 2 Opening push button 3 Closing push button 4 Indication for circuit breaker OPEN CLOSE 5 Indication for closing spring charged discharged 6 Operatio...

Page 12: ...rcuit breaker closing The operation can only be carried out with the closing spring completely charged For manual closing press the push button 3 figure 11 1 When there is a shunt closing release the...

Page 13: ...assembly after preparing it along with guide rails guide brackets and earth guides Rear bottom plate of CB compartment Top cover upper door assembly above CB compartment main door CB compartment main...

Page 14: ...14 1 2 Fig 14 2 Legends of fig 14 1 and 14 2 1 SF6 circuit breaker HPA36 2 CB compartment door top 3 CB compartment main door 4 Bottom front door 3 4 Fig 14 4 1 2 3 1 24 pin socket 2 Emergency trip as...

Page 15: ...plate assembly 2 Earth guide 3 LHS RHS guide rails 4 Rear bottom plate Fig 15 2 1 CB compartment top cover upper door assembly 2 VD4 36kV circuit breaker 3 CB compartment main door 4 Bottom front door...

Page 16: ...is no danger of overheating Carry out the checks indicated in table 2 1 see page 17 CAUTION During installation of VD4 CB first time with existing panel before inserting VD4 CB inside cubicle ensure t...

Page 17: ...correctly 4 Motor operator Supply the geared motor for spring charging at the relative rated voltage Carry out a few closing and opening operations N B Supply the undervoltage release and the locking...

Page 18: ...s discharges or traces of surface discharges 3 Visual inspection of the operating mechanism and transmission 1 year or 5000 operations The elements must be free of any deformation Screws nuts bolts et...

Page 19: ...Electrical diagram The standard VD4 circuit breaker electric circuit diagram is as follows VD4 electric diagram Each circuit breaker is always provided with the standard electric diagram or with a sp...

Page 20: ...ated 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 the circuit...

Page 21: ...ension and ratings VD4 36kV vacuum circuit breaker cradle retrofit solution VD4 36kV cradle retrofit solution Ur 36kV Ir 1250A Isc 31 5kA 880 984 784 853 946 367 480 114 248 320 4 424 57 736 944 4 102...

Page 22: ...NSTRUCTION MANUAL Overall dimension and ratings VD4 36kV vacuum circuit breaker cradle retrofit solution VD4 36kV cradle retrofit solution Ur 36kV Ir 2000A Isc 31 5kA 984 853 782 880 253 5 114 947 367...

Page 23: ......

Page 24: ...without prior notice With regard to purchase orders the agreed particulars shall prevail ABB does not accept any responsibility whatsoever for potential errors or possible lack of information in this...