Technical Guide - ABB

1 UniGearTechnical of the structure1 steel sheet1 steel sheet1 materials1 electrical characteristics1 switch electrical characteristics1 overview1 width and pole distances of apparatus1 dimensions of panels1 of 12 kV units with circuit breaker or contactor1 of 12 kV units with circuitbreaker1 of panels with the switch-disconectorNALF 12 and kV1 of panels with the switch-disconector NALF 24 kV1 notes2 unit (IF)2 Bottom cable entry2 Bottom cable entry - deep version2 Top cable entry - deep version2 Top busbar entry - deep version2 unit with measurement (IFM)2 Bottom cable entry2 Bottom cable entry - deep version2 Top cable entry - deep unit2 Top busbar entry - deep unit2 tie (BT)2 rise (R)2 rise with measurement (RM)2 unit direct (IFD)2 unit direct with measurement (IFDM)2 unit with capacitors (IFC)2 Deep version2 unit (M)2 feeder (DF)2 transformers3 transformers3 switch3 duct3 indication3 incoming feeder2 Tie & Incoming/outgoing feeder2 with metering & Incoming/outgoing feeder2 unit & Incoming/outgoing feeder2 unit with metering & Incoming/outgoing feeder2 Electrical characteristics - Double level units2 reference Standards5 conditions5 of insulation5 Standards5 degrees of insulation5 of calculation5 of protection5 Standards5 table5 of protection5 arc withstanding5 Standards5 characteristics5 Switchgear classification5 Ovelapping period of IEC 602985 of UniGear with gas ducts5 Introduction5 Standard arrangement5 Alternative solutions5 Alternative solutions for ZS1 extensions5 Rules for choosing the type of duct5 partitioning5 type SF6 circuit -breakers6 of the rated currents6 type vacuum circuit -breakers6 type vacuum circuit -breakers6 Vacuum circuit -breakers6 of the rated currents6 type vacuum contactors6 fuse switch disconnector6

2 Transformers7 Standards7 transformers7 Standards7 sensor7 sensor7 divider7 sensor7 Reference standards7 Units with circuit breaker or contactor8 Units with circuit breaker or contactor8 connection height8 Cable connection height 12 and units8 Cable connection height 24kV units8 Cable connection height in UniGear 550 series8 Cable connection in switch-disconnector panels8 relief flaps and covers8/81 of the structure1 Hot-galvanized steel sheet1 Painted steel sheet1 Copper1 Insulating materials1 electrical characteristics1 Earthing switch electrical characteristics1 overview1 width and pole distances of apparatus1 dimensions of panels1 Dimensions of 12 kV units with circuitbreaker or contactor1 Dimensions of 12 kV units with circuitbreaker1 Dimensions of panels with the switch-disconectorNALF 12 and kV1 Dimensions of panels with the switch-disconectorNALF 24 kV1/12 DESCRIPTION1 typical units of the UniGear switchboard consist of up to a maximum of five compartmentssegregated from each other by means of metal partitions (incoming/outgoing unit with measurementsshown in the figure).

3 For details of the other units, please see chapter compartmentGas exhaust ductBusbar compartmentFeeder compartmentCircuit-breakerCircuit-breake r compartmentWithdrawable voltagetransformers with fusesSeparate compartment for VTsis available in deep version ofUnigear panels Voltage compartmentGas exhaust ductGas exhaust flapsSegregationsSide wallsBasic of the Hot-galvanized steel sheetType:EN 10143 B500A/DX51D AZ 150 NACOT hickness:2 mm (some details 1 or mm)Weight (average): KgUse:supporting structure, compartments, segregations, gas exhaust duct, gas Painted steel sheetType:UNI EN 10130 Fe P01 Standard colour: RAL7035 (doors and side covers)Thickness:65 mUse:auxiliary compartment doors, circuit -breaker and feeder doors,side compart-ment doorCircuit-breaker compart-ment doorFeeder compartment doorside covers (closing pan-els of the right-hand andleft-hand units of Weight of the paint kVKg550 mm wide mm wide mm wide mm wide kVKg800 mm wide mm wide KgUse:main busbars, top and bottom branches, branches for CT and VT, cable connections, earthingswitch fixed contacts, earthing main busbar system and the branches are supplied with insulating covering for and 24kV request insulation can be supplied for 12kV on request, the main busbar system and the branches can be silver plated or busbar dimensions: 30x8 mm standard, 40x10 mm on CopperType.)

4 UNI EN 5649 Cu ETP(1)Un 12 kVInIthpanel widthBusbars dimInsulation[A][kA][mm][mm][mm]630 17,5 kV630 24 kV1000258001x80x101x60x10yes1250258001x8 0x101x80x10yes10002510001x80x101x60x10ye s12502510001x80x101x80x10yes16002510002x 80x102x80x10yes20002510002x80x102x80x10y es23002510002x80x102x100x10yes2500251000 2x80x102x100x10yes1/6 DESCRIPTION1234567 Main busbarsTop branchesVT branchesEarthing busbarBottom branchesEarthing switch fixed contactsCable connections12675341/71123456 Voltage transformersBusbar side chambersCable side chambersCurrent transformersBusbar compartmentsegregation bushingInspection window(CB door)CB polesCB contact Insulating materialsType:Epoxy resinWeight:see chap. 7 Use:CTs, VTs, sensors, insulators (in variable quantities, see single units - chap. 2 and 3), :BPTM thermoshrinking polymerWeight(average):2-5 KgUse:insulating covering of busbars and branches (if applied).Type: KgUse:Inspection electrical Earthing switch electrical characteristicsSwitchboard12 kV24 kVRated insulation power frequency withstand voltagekV (1 min)283850 Rated lightning impulse withstand voltagekV7595125 Rated short-time withstand current (max.)

5 KA (3s)504025 Peak current(max.)kA12510063 Internal arc withstand current(max.)kA (1s)40; 50 ( )4025 Branch connectors rated currentsA6306301000100012501250125016001 6001600200020002000250025002500315031503 600360040004000 Main busbars rated currentsA6306306301250125012501600160016 0020002000200025002500250031503150360036 0040004000 Earthing switch with making capacity12 kV24 kVRated short-time withstand current [kA for 3s] 550mm2525 800, 1000mm40, 501)4025 Making capacitykAp80, 120100631) For 1sElectrical characteristics of Double level units are listed in chapter w/o an apparatus1 Available with V-Max2 Available with V-Contact3 Available with HD4, VD4 and VM14 Available with VD4 and VM15 Metering truck overviewIF - Incoming feederRM - Bus riser with meteringM - Metering unitBR - Bus riserBC - Bus coupler (with a breaker)IFM - Incoming feeder with metering17,5 kVUnits width550mm650mm800mm1000mmPanel \ Current630125063010001250125016002000250 0 1600 2000 2500315036004000IF111, 31, 31, 3333333344BR0000000RM5555BC111, 3333344M555512 kVUnits width550mm650mm800mm1000mmPanel \ Current63012504006301000 12501250 1600 20002500 1600 20002500 3150 3600 4000IF11 21, 31, 31, 3333333344BR000000000RM555BC111, 3333344M555 524 kVUnits width800mm1000mmPanel \ Current1250160020002500160020002500IF333 333BR000RM55BC333M55 Busbar applicationsVoltageEarthingIncomingtrans formersswitchductIFIncoming feeder IFMI ncoming feeder with measurement 1 width and pole distances of apparatusBBCACUniGear 12 kVA*)BCApparatus550150195V-max 630-1250A650150205HD4 630-1250A / VD4 630-1250A / V-Contact 400A / VM1 630-1250A800210310HD4 1250-2000A / VD4 1250-2000A / VM1 1250-2000A1000275310HD4 1600-3150A / VD4 1600-4000A /VM1 1600-4000 AUniGear 24 kVA*)

6 BCApparatus800210310HD4 630-1250A / VD4 630-1250A / VM1 630-1250A1000275310HD4 1000-2500A / VD4 1000-2500A / VM1 1000-2500A*) Side cover (painted - see chapter ) widens the switchgear by 40 mm on each dimensions of panelsDimensionmmHeightA2100/2200/2595 1) 7)WidthB *)- Feeder panels series 550550- Feeder panels up to 1250 A (up to kA) 6)650- Feeder panels up to 1250 A (above kA)800- Feeder panels 1600 - 2000 A800 2)- Feeder panels above 2000 A1000 DepthC1300/13403) or 1350/13904)Height of the basic part of panelD2100E14951)Height of the control cabinet is 580/705/1100 mm, except for the 3150/4000 A panels, where it is only available in heights 705/1100 )1000 mmon )Up to 2500 A - panel depth with circuit breaker HD4 including combination with them is 1340 mm, in other cases A=1300 - however alwaysconsider annotation 5)4)For 3150 A and 4000 A - panel depth with circuit breaker HD4 including combination with them is 1390 mm, in other cases B=1350 mm- however always consider annotation 5)5)Dimension must be verified according to documentation of the relevant )Feeders equipped with contactor "V-Contact" are 650 mm wide up to the 50 kA short-time )Unigear type ZS1 series 550 is 2200 or 2595 mm high only.

7 *) Side cover (painted see chapter ) widens the switchgear by 40 mm on each Dimensions of 12 kV units with circuit breaker or contactor1 Dimensions of 12 kV units with circuit breakerDimensionmmHeightA2200/2325/2720 1)WidthB- Feeder panels up to 1250 A800 2)- Feeder panels above 1250 A 1000 DepthC1520/1560 3)Height of the basic part of panelD2200E16201)Height of the control cabinet is 580/705/1100 )1000 mm on )Panel depth with circuit breaker HD4 including combination with them is 1560 mm, in other cases C=1520 mm - however alwaysconsider annotation 4)4)Dimension must be verified according to documentation of the relevant Dimensions of panels with the switch-disconector NALF 24 kVDimensionmmHeightA2200/2325/2720 1)Width- Outgoing and incoming panels withB1000- switch-disconnector 630 ADepthC1520/1560 2)Height of basic part of panelD2200E16201)Height of control cabinet is 580/705 /1100mm2)The depth of panel with the switch-disconnector in combination with HD4 circuit breaker panels is recommended to 1560mm, in other cases 1520 mm take always into account the note 3)3)The dimensions must be verified according to the documentation of relevant Dimensions of panels with the switch-disconector NALF 12 and kVDimensionmmHeightA2075/2200/2595 1)Width- Outgoing and incoming panels withB800- switch-disconnector 630 ADepthC1300/1340 2)Height of basic part of panelD2100E14951) Height of control cabinet is 580/705/1100 ) The depth of panel with the switch-disconnector in combination with HD4 circuit breaker panels is recommended to 1340 mm, in other cases 1300 mm take always into account the note 3)3) The dimensions must be verified according to the documentation of relevant order2 notes2 unit (IF)

8 2 Bottom cable entry2 Bottom cable entry - deep version2 Top cable entry - deep version2 Top busbar entry - deep version2 unit with measurement (IFM)2 Bottom cable entry2 Bottom cable entry - deep version2 Top cable entry - deep unit2 Top busbar entry - deep unit2 tie (BT)2 rise (R)2 rise with measurement (RM)2 unit direct (IFD)2 unit direct with measurement (IFDM)2 unit with capacitors (IFC)2 Deep version2 unit (M)2 feeder (DF)2/19 TYPICAL CONVENTIONAL UNITS2/2 TYPICAL CONVENTIONAL notes-Each medium size current transformer can be replaced by an ABBKEVCD sensor. The earthing switch is not a compulsory transformers in fixed version are not equipped with voltage compartment height is 705mm if not mentioned a differentone. Other heights are 580mm and height of the unit is including low voltage compartment and withoutan exhaust number of cables is maximal available. Voltage transformersoccupy one position as well as surge of panels with vacuum contactor is always transformers may not have a fuse status indication if they arelocated in the cable of panels may vary depending on project = 650 kV 24 kVWidthmm55065080010008001000 Heightmm220022002200220023252325 Height with gas exhaust ductmm267526752675277527752775 Depthmm1340134013401340/139015601560 Rated currentA630 3) 1250 3) 1) 2) 1600 1) 2) 2000 1) 2) 2500 3150 3600 4000 Earthing switch Number of cable connections (maximal) 2)666 Number of CTs per phase (alternative combinations)1 medium size 1 long size 2 medium size1 medium and 1 long size1 ring type Number of VTs per phase (alternative combinations)1 fixed 2 fixed1 withdrawable with unit (IF) Bottom cable entry1) kA version2) 40 kA version3)

9 25 kA version2/4 TYPICAL CONVENTIONAL Bottom cable entry - deep kV24 kVWidthmm65080010008001000 Heightmm22002200220023252325 Height with gas exhaust ductmm26752675267527752775 Depthmm18401840184021702170 Rated currentA6301250 1) 2) 1600 2000 2500 3150 3600 4000 Earthing switch Number of cable connections (maximal) of CTs per phase (alternative combinations)1 medium size 1 long size 2 medium size 1 medium and 1 long size Number of VTs per phase (alternative combinations)1 fixed 2 fixed 1 withdrawable with fusesW = 650 mm1) kA version2) 40 kA version2 Top cable entry - deep kV24 kVWidthmm650800100080010001000 Heightmm220022002200232523252325 Height with gas exhaust ductmm267526752675277527752775 Depthmm184018401840217021702170 Rated currentA6301250 1) 2) 1600 2000 2500 3150 3600 4000 Earthing switch Number of cable connections (maximal) of CTs per phase (alternative combinations)1 medium size 1 long size 2 medium size 1 medium and 1 long size Number of VTs per phase (alternative combinations)1 fixed 2 fixed 1 withdrawable with fusesW = 650 mm1) kA version2) 40 kA version2/6 TYPICAL CONVENTIONAL Top busbar entry - deep kV24 kVWidthmm65080010008001000 Heightmm22002200220023252325 Height with gas exhaust ductmm26752675267527752775 Depthmm184018401840/189021702170 Rated currentA6301250 1) 2) 1600 2000 2500 3150 Earthing switch Number of cable connections (maximal) Number of CTs per phase (alternative combinations)1 medium size 1 long size 2 medium size 1 medium and 1 long size Number of VTs per phase (alternative combinations)1 fixed 2 fixed 1 withdrawable with fuses1) kA version2) 40 kA version2 unit with measurement (IFM)

10 Bottom cable kV24 kVWidthmm650800100080010001000 Heightmm220022002200232523252325 Height with gas exhaust ductmm267526752675277527752775 Depthmm 134013401340156015601560 Rated currentA630 1250 1) 2) 1600 2000 1) 2) 2500 3150 3600 4000 Earthing switch Number of cable connections (maximal) of CTs per phase (alternative combinations)1 medium size 1 long size 2 medium size1 medium and 1 long sizeNumber of VTs per phase (alternative combinations)1 fixed2 fixed1 withdrawable with fuses