ABB VD4 36, Installation And Service Instructions Manual

Page 1: ... on receipt 3 3 Storage 4 4 Handling 5 5 Description 6 6 Instructions for circuit breaker operation 14 7 Installation 16 8 Putting into service 21 9 Maintenance 22 10 Application of the standards for X ray emission 26 11 Spare parts and accessories 27 12 Electrical diagram 27 13 Overall dimensions 28 14 Product quality and environmental protection 29 www alobitanbd com Hotline 01711548558 ...

Page 2: ...o 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 necessary information for correct inter...

Page 3: ...15 7 Installation 16 7 1 General 16 7 2 Installation and operating conditions 16 7 3 Preliminary operations 17 7 4 Installation of fixed circuit breakers 18 7 5 Installation of withdrawable circuit breakers in UniGear ZS1 switchgear and PowerCube modules 18 7 6 Power circuit connections of fixed circuit breaker 19 7 7 Connection of the auxiliary circuits 20 8 Putting into service 21 8 1 General pr...

Page 4: ...I Introduction This publication contains the information needed to install medium voltage VD4 circuit breakers and put them into service For correct use of the product please read it carefully Like all the apparatus we manufacture the VD4 circuit breakers are designed for different installation configurations However this apparatus allows further technical construction modifications at the custome...

Page 5: ...nal packing not be available and immediate installation is not possible store in a covered well ventilated dry dust free non corrosive ambient away from any easily flammable materials and at a temperature between 5 C and 45 C In any case avoid any accidental impacts or positioning which stresses the structure of the apparatus Fig 1 Caption A Circuit breaker rating plate B Operating mechanism ratin...

Page 6: ...ism spring is discharged and that the apparatus is in the open position To lift and handle the circuit breaker proceed as follows fig 2 use a special lifting tool 1 not supplied fitted with ropes with safety hooks 2 insert the hooks 2 in the supports 3 fixed to the frame of the circuit breaker and lift Put the hooks 2 into the support holes 3 according to the type of apparatus see table on complet...

Page 7: ...Opening pushbutton 5 Closing pushbutton 6 Signalling device for closing spring charged discharged 7 Operation counter 8 Terminals 9 Cabling connection 10 Mechanical override of the undervoltage release on request 5 3 EL operating mechanism VD4 circuit breakers are equipped with modular EL spring operating mechanisms The operating mechanism is designed to fulfill desired performance specification a...

Page 8: ...ated short circuit breaking current symmetrical Isc kA Rated short time withstand current 3s Ik kA Making capacity Ip kA Operation sequence O 0 3 s CO 3 min CO Opening time ms 35 60 Arcing time ms 10 15 Total breaking time ms 45 75 Closing time ms 60 80 Maximum overall dimensions H mm W mm D mm Pole distance P mm Weight kg Operating temperature C 5 40 Tropicalization IEC 60068 2 30 60721 2 1 Elect...

Page 9: ...99 H 564 D 468 u l 380 l g 399 H 564 D 468 u l 380 l g 399 5 4 3 Standard fittings for fixed circuit breakers The basic version of the fixed circuit breakers are three pole and fitted with EL type manual operating mechanism mechanical signalling device for closing spring charged discharged mechanical signalling device for circuit breaker open closed closing pushbutton opening pushbutton and operat...

Page 10: ...ivated by the handles with the truck fully resting against the crosspiece The operating lever 16 must be fully inserted also see par 7 5 A lock prevents the truck from advancing into the enclosure or fixed part when the earthing switch is closed Another lock prevents racking in and racking out with the circuit breaker closed With the truck in an intermediate position between isolated and connected...

Page 11: ... capacity rated short circuit breaking current symmetrical Isc kA Rated short time withstand current 3s Ik kA Making capacity Ip kA Operation sequence O 0 3 s CO 3 min CO Opening time ms 33 60 Arcing time ms 10 15 Total breaking time ms 43 75 Closing time ms 60 80 Maximum overall dimensions H mm W mm D mm Pole distance P mm Weight kg Operating temperature C 5 40 Tropicalization IEC 60068 2 30 6072...

Page 12: ...ole and fitted with EL type manual operating mechanism mechanical signalling device for closing spring charged discharged mechanical signalling device for circuit breaker open closed closing pushbutton opening pushbutton operation counter set of ten auxiliary circuit breaker open closed contacts Note with the set of ten auxiliary contacts supplied as standard and the maximum number of electrical a...

Page 13: ...ed 5 6 Characteristics of the electrical accessories Shunt opening release MO1 Additional shunt opening release MO2 Shunt closing release MC Locking magnet on the actuator RL1 Un 24 30 48 60 110 125 220 250 V Un 48 60 110 120 127 220 240 V 50 Hz Un 110 120 127 220 240 V 60 Hz Operating limits 70 110 Un Inrush power Ps Inrush time approx 100 ms Continuous power Pc Opening time 35 60 ms Closing time...

Page 14: ...ending on the applications required a maxi mum of 6 NO contacts 6 NC contacts and a minimum of 5 NO contacts 5 NC contacts are available Locking magnet on the truck RL2 Un 24 30 48 60 110 125 127 132 220 240 V Un 24 30 48 60 110 125 127 220 230 240 V 50 60 Hz Operating limits 85 110 Un Inrush power Ps W DC 250 AC 250 VA Continuous power Pc DC 5 W AC 5 VA Inrush time 150 ms Motor operator MS Charac...

Page 15: ... racking in out there is a special version for VD4 ZS2 11 Mechanical undervoltage release override on request Warning To activate the key lock open the circuit breaker keep the opening pushbutton depressed then turn the key and remove it from the housing Fig 6 Mechanical override of the undervoltage release on request Undervoltage release ena bled The circuit breaker can only be closed if the unde...

Page 16: ...e spring after each closing operation until the yellow indicator 7 appears If the power is cut off during charging the geared motor stops and automatically starts recharging the springs again when the power returns In any case it is always possible to complete the charging operation manually c Circuit breaker closing The operation can only be carried out with the closing spring completely charged ...

Page 17: ...dity measured for a period longer than 1 month must not exceed the 90 The average value of the pressure of the water vapour measured for a period longer than 1 month must not exceed 1 8 kPa Altitude 1000 m above sea level 7 2 2 Special conditions Installations over 1000 m a s l Possible within the limits permitted by reduction of the dielectric resistance of the air Increase in the ambient tempera...

Page 18: ...Fig 8a N 36 kV 1250 A 31 5 kA Fig 8c N 36 17 ...

Page 19: ... position 7 5 Installation of withdrawable circuit breakers in UniGear ZS2 switchgear and PowerCube modules The withdrawable circuit breakers are preset for use in UniGear ZS2 switchgear and PowerCube modules For racking in racking out of the switchgear fully insert the lever 1 fig 9 in the appropriate seat 2 and work it clockwise for racking in and anti clockwise for racking out until the limit s...

Page 20: ...as foreseen in the specifc technical documentation The thread and surfaces in contact with the heads of bolts must be slightly oiled or greased so as to obtain a correct nominal tightening torque Racking in Racking out 7 6 Power circuit connections of fixed circuit breakers 7 6 1 General recommendations Select the cross section of the conductors according to the service current and the short circu...

Page 21: ...g duct etc which must be earthed To prevent the cabling wires outside the circuit breaker carried out by the customer from accidentally coming into contact with moving parts and therefore undergoing damage to the insulation it is recommended to fix the wires as shown in fig 10a Before removing the operating mechanism cover to access the terminal box check that the circuit breaker is open and the c...

Page 22: ...ocking magnet on the operating mechanism at the relative rated voltage if provided The geared motor recharges the spring after each closing operation 5 Undervoltage release if provided Supply the undervoltage release at the relative rated voltage and carry out the circuit breaker closing operation The circuit breaker closes normally The signals are normal Cut off power to the release The circuit b...

Page 23: ...uted it is possible to carry out up to 1000 racking out in operations as prescribed in the IEC 60271 200 Standards the data regarding the operating life are basically applicable to all the components which cannot be directly affected by operator activity The manually operated components mov ing parts of isolatable parts etc can vary their behaviour 9 2 Inspections and functionality tests 9 2 1 Int...

Page 24: ... to the values indicated in fig 11 Check the main actuator lever roller bearing lubrication see details A of fig 12 it is advisable to lubricate with a few drops of SAE 80W 90 type oil using a special oiler Proceed as follows remove the circuit breaker screen charge the operating mechanism spring and lubricate the right hand bearing circuit breaker seen from the front see fig 12 close the circuit ...

Page 25: ...ry 9 2 4 Withdrawable assembly truck and circuit breaker Visually inspect the components especially those which may be damaged by incorrect operations also see table in chap 8 Visually inspect the isolating contacts and that all the contact elements are clean especially in cases where signs of overheating are found also see par 9 4 Visually inspect and carry out the functional tests of the locks c...

Page 26: ...e ultimate currents corresponding to the specific type of interrupter in accordance with what is indicated in the graphs of par 7 2 3 Trip curves when the sum of the ultimate currents is reached the whole pole must be replaced Note Dismantling and replacement of the pole can only be carried out by ABB personnel or by skilled and specially trained personnel particularly for the necessary adjustment...

Page 27: ...oltage the use of vacuum interrupters is absolutely safe application of the withstand voltage at power frequency according to the IEC 62271 100 and VDE 0670 Standards is safe application of a voltage higher than the withstand voltage at power frequency or of a test voltage in direct current specified in the IEC and VDE Standards cannot be used limitation of the above mentioned local phenomena with...

Page 28: ...er rated voltage of any electrical spare parts For availability and to order spare parts please contact our Service office 11 1 List of spare parts Shunt opening release Additional shunt opening release Undervoltage release Contact for signalling undervoltage release energised de energised Time delay device for undervoltage release Mechanical override for undervoltage release Shunt closing release...

Page 29: ...00 A Isc 2000 A 31 5 Breaker Type VD4 36 12 32 VD4 36 16 32 VD4 36 20 32 Ø A mm 35 79 79 Withdrawable circuit breakers available for UniGear ZS2 switchgear and PowerCube module kA 28 782 245 31 17 57 9 15 571 305 610 428 94 14 28 28 786 49 897 5 360 B A 441 5 87 5 96 5 331 447 470 22 612 Ø32 842 776 853 880 848 275 275 380 484 202 125 320 456 736 57 4 973 956 973 Ø A M12 10 A ...

Page 30: ...nt 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 Methods of disposal Disposal can either be carried out thermally in an incineration plant or by storing on a waste site RAW MATERIAL RECOMMENDED METHOD OF DISPOSAL Metal material Fe Cu Al Ag Zn W others Separation and recycling Thermo...

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