ABB SafeRing, Installation And Operating Instructions Manual

Page 1: ...fePlus SF6 insulated ring main unit and compact switchgear Installation and operating instructions NOPOWSR 5976 GB SafeRing SafePlus SF6 insulated ring main unit and compact switchgear Installation and operating instructions NOPOWSR 5976 GB ...

Page 2: ...protection 12 4 4 Gas pressure 13 5 Operation 13 5 1 Operating conditions 13 5 2 Operation 14 5 3 Installation and replacement of fuses 15 5 4 Relays 17 6 Additional equipment 17 6 1 Low voltage connections auxiliary contacts 17 6 2 Remote control and monitoring unit 17 6 3 Capacitive voltage indicator 18 6 4 Short circuit indicator 18 6 5 Motor operation 19 6 6 Cable testing 19 6 7 External busba...

Page 3: ...F V SafeRing and SafePlus offers a sealed stainless steel tank which contains all the live components and switching functions The transformer is protected either by a switch fuse combination or a vacuum circuit breaker The units modules are delivered from the factory ready for installation Routine tests are carried out on all units modules before dispatch No special tools are required for installi...

Page 4: ...uipment 4 Pressure indicator additional equipment 5 Legend plate with serial number 6 Mimic diagram 7 Relay protection 8 Blown fuse indicator 9 Padlock device 10 Cable compartment 11 Test bushings additional equipment 12 Ronis key interlock additional equipment 13 Circuit breaker 14 Fuse switch disconnector 15 Earthing switch 16 Isolator 17 Circuit breaker open emergency stop 18 Circuit breaker cl...

Page 5: ...5 ABB PTMV SafeRing SafePlus SF6 insulated ring main unit and compact switchgear Installation and operating instructions NHP 102103 1 way 371 2 way 696 3 way 1021 4 way 1346 5 way 1671 Unit mm 1 2 Dimensional drawings ...

Page 6: ...ment SafeRing SafePlus is fitted with lifting lugs but can also be moved on pallets with a forklift truck 2 1 BY RECEIVING INSPECTION Upon receiving the SafeRing SafePlus please check that the delivered equipment has not been damaged during transport If any such damage has occurred a claim must be submitted to the carrier immediately After unpacking the following must be checked 1 Operating handle...

Page 7: ...hort time current 3 sec kA 21 16 16 21 16 16 21 16 16 C module F module V module SafePlus Switch Downstream Vacuum circuit disconnector Earthing switch Switch fuse earthing switch breaker Earthing switch Rated voltage kV 12 17 5 24 12 17 5 24 12 17 5 24 12 17 5 24 12 15 17 5 24 12 15 17 5 24 Power frequency withstand voltage kV 28 38 50 28 38 50 28 38 50 28 38 50 28 38 38 50 28 38 38 50 Impuls wit...

Page 8: ... 50 63 24 6 6 6 6 10 10 16 16 16 25 25 25 40 40 50 63 The table is based on using fuses type ABB CEF Normal operating conditions with no overload Ambient temperature 25 C 40 C 100 Transformer rating kVA CEF 7 2 kV 12 kV 17 5 kV 24 kV The table is based on using fuses type ABB CEF Normal operating conditions with 20 overload Ambient temperature 25 C 40 C UN kV 25 50 75 100 125 160 200 250 315 400 5...

Page 9: ... instructions 4 INSTALLATION The base must be flat and fitted with anchor bolts in accordance with the dimensional drawing for the number of modules or units as appropriate 223427386 1 way 281 297 336 371 2 way 606 622 661 696 3 way 931 947 986 1021 4 way 1256 1272 1311 1346 5 way 1581 1597 1636 1671 Unit A B C D NHP 102102 ...

Page 10: ...able cover NB The cable cover can be supplied with interlocking to earthing switches When interlocking is fitted the cable cabinet can only be accessed when the earthing switch is in the closed position 4 The panel can be removed by unscrewing A and B 2 Removal of front section 1 Loosen the screws on the cable cover pull out and lift cover off 3 Front section removed A B ...

Page 11: ...ble adapters The following types are recommended ABB Kabeldon ABB Kabel und Draht Elastimold Raychem Cooper 3M Please see supplier documentation for details The manufacturer s installation instructions must be followed Be suretolubricatethebushingsthoroughlywiththesiliconesupplied NB Where cables are not connected the earthing switch must be locked in closed position or the bushings must be fitted...

Page 12: ... current transformers is fitted in the cable compartment After the current transformers have been installed in the unit the cables from the protection relay are connected Consult the manual supplied with the protection relay for a description of the connections SafeRing with vacuum circuit breakers are prepared for three different types of protection relays SACE PR521 SEG WI1 3 and MPRB 99 1 0 GF ...

Page 13: ...ult operating conditions are involved When electrical equipment is installed at more than 1 000 metres above sea level for example the atmospheric pressure will be lower and the overpressure in the tank will have to be reduced Airfreight Units modules delivered with redused overpressure see procedure for refilling NHP 408025 NOTE Screw unscrew on this hexagonal nut only Filling pressure mbar SF 6 ...

Page 14: ...losing the switch fuse disconnector circuit breaker the spring mechanism must be charged Turning the operating handle clockwise does this Then the green on button must be pressed to close the switch breaker An anti reflex system standard on all operating handles prevents the immediate re operation of switches Switch disconnector Close Turn the operating handle clockwise Open Turn the operating han...

Page 15: ...e trip Fuses are replaced as shown in the sequence of illustrations Switch fuse configurations are supplied without fuses installed When installing fuses for the first time follow the sequence of illustrations 1 9 2 Close earthing switch by turning operating handle clockwise 5 Applying the operating handle and turning anti clockwise opens the fuse canisters 1 Fuse trip indicator 3 Unscrew fuse cov...

Page 16: ...ct screw The striker must point out from the fuse canister for the fuse to function properly Fuse Striker 9 Close the fuse panel The switches are ready for operation 8 Turn the handle on the fuse cover clockwise to close and seal the fuse canister Use the operating handle 6 Pull out the fuse handle The fuses are firmly fixed in the fuse cover Fasten the contact screw on the locking ring ...

Page 17: ...tional low voltage compartment on top of the switchgear 6 ADDITIONAL EQUIPMENT 5 4 RELEAYS SafeRing SafePlus with vacuum circuit breakers are prepared for three different types of protection relays SACE PR521 Circutor MPRB 99 1 0 GF and SEG WI1 3 All three types are designed so that there is no need for external auxiliary voltage for correct functioning Separate manuals have been prepared for each...

Page 18: ...d operating instructions 6 3 CAPACITIVE VOLTAGE INDICATION Socket for capacitive voltage ondication HR module IEC 61243 5 Phase balance check Capacitive voltage indicator type CATU Voltage indicator 6 4 SHORT CIRCUIT INDICATOR Three types can be supplied Horstman ALPHA M Horstman ALPHA E Horstman GAMMA Vim 1 Vim 3 ...

Page 19: ...r operation additional equipment The earthing switch can only be operated manually and is fitted with mechanisms to achieve fault making capabilities Motor operation can be easily retrofitted 2 Directly at the cable connectors which are designed for testing the voltage of the cable Follow the supplier s instructions 2 1 Cable connector connected 2 2 Cable connector dismounted 1 Directly at the tes...

Page 20: ...us is always supplied with a pressure indicator in the form of a manometer Additionally it is possible to fit device for an electric signal if the pressure is low This requires aux voltage supply 6 10 BASE FRAME SafeRing SafePlus can be installed on a separate base frame The base frame is designed for cable entry from both sides or from the back Two different heights 290 mm and 450 mm 6 11 RONIS K...

Page 21: ...d the front panel This enables easy access and replacement if required Mechanical parts are surface treated to prevent corrosion Moving parts are lubricated at the factory for the product s life expectancy In extreme conditions dust sand and pollution inspection and maintenance will be imperative and in some cases replacements will be necessary Check that the lubricant is not washed or wiped away ...

Page 22: ...ate re use or apply as energy superior additive in refuse incineration Epoxy incl 60 quartz 26 75 kg 8 35 Yes Grind to powder and use as high grade energy additive in cement mill Rubber 1 35 kg 0 42 Yes High grade energy additive in refuse incineration Dielectric oil 0 21 kg 0 066 Yes Reclaim or use as High grade energy additive in refuse incineration SF6 gas 3 24 kg 1 04 Yes ABB AS in Skien recla...

Page 23: ...NOPOWSR 5976 GB 23 ABB PTMV SafeRing SafePlus SF6 insulated ring main unit and compact switchgear Installation and operating instructions ...

Page 24: ...ation and operating instructions NOPOWSR 5976 GB Edition 4 June 2001 6000 Oluf Rasmussen AS Skien ABB AS Power Technology Medium Voltage P O Box 108 Sentrum N 3701 SKIEN Norway Tel 47 35 58 20 00 Fax 47 35 52 41 08 www abb com Text and illustrations are not binding The right to make alterations is reserved ...