1、KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 10 8 http:/www.kats.go.krKS C IEC 60050 421 421： KS C IEC 60050 421： 2001 (2011 ) C IEC 60050 421： 2001 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ：2001 10 8 ：2011 12 13 2 011-0563 ： ： ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . ICS 01.040.29；
2、29.180 KS 421： C IEC 60050 421： 2001(2011 ) International electrotechnical vocabulary Chapter 421：Power transformers and reactors 1990 IEC 60050 421(International electrotechnical vocabulary Chapter 421：Power transformers and reactors) . 42101 (GENERAL TERMS) 4210101 (power transformer) 2 , , , 4210
3、102 (series reactor) 4210103 (shunt reactor) 4210104 (arc-suppression coil) 4210105 , (three phase earthing transformer, g round transformer) 4210106 (three phase neutral reactor) 4210107 (core-type transformer) ( ) 1. . 2. , . / . 4210108 (core-type reactor) ( ) C IEC 60050 421： 2001 2 , . . 421010
4、9 (shell-type transformer) ( ) 1. . 2. , . / . 4210110 (shell-type reactor) ( ) , . . 4210111 (auto-transformer) 4210112 , (booster transformer, series transforme r) 4210113 (separate winding transformer) . 4210114 (oil-immersed type transformer) ( ) 4210115 (oil-immersed type reactor) ( ) 4210116 (
5、dry-type transformer) 4210117 (dry-type reactor) 4210118 (sealed transformer) . 1. ( ) . 2. . a) C IEC 60050 421： 2001 3 4210119 (sealed reactor) . 4210120 (encapsulated-winding dry-type transform er) 4210121 (encapsulated-winding dry-type reactor) 4210122 (non-encapsulated-winding dry-type tran sfo
6、rmer) 4210123 (non-encapsulated-winding dry-type reac tor) 42102 (TERMINALS) 4210201 (line terminals) 4210202 (neutral terminals) a) , ( ) . b) 4210203 (corresponding terminals) 42103 (WINDING) 4210301 (winding) 4210302 (phase winding) 4210303 (high-voltage winding) 4210304 (low-voltage winding) 421
7、0305 (intermediate-voltage winding) . C IEC 60050 421： 2001 4 4210306 (primary winding) 4210307 (secondary winding) 4210308 (auxiliary winding) 4210309 (stabilizing winding) , 4210310 (common winding) 4210311 (series winding) 4210312 (energizing winding) 4210313 (concentric windings) 4210314 (sandwi
8、ch windings) 42104 (RATING) 4210401 (rated voltage of a winding) , , 4210402 (rated voltage ratio)(of a transformer) 4210403 (rated frequency) ( ) 4210404 (rated power) , , , , . 4210405 (rated current)(of a winding of a transformer or shunt reactor) , 4210406 (continuous rated current) a) ： C IEC 6
9、0050 421： 2001 5 b) 4210407 (rated short-time current) a) b) 4210408 (rated current of arc suppression coil ) 42105 (TAPPINGS) 4210501 (tapping, tap) 4210502 (principle tapping) 4210503 (tapping factor) Ud/UN 100Ud/UN(%) Ud： UN： 1 , . 4210504 (plus tapping) 1 4210505 (minus tapping) 1 4210506 (tappi
10、ng step) 4210507 (tapping range) 100 4210508 (tapping voltage ratio) . 4210509 (tapping duty) , , 4210510 (tapping quantites) a) b) c) C IEC 60050 421： 2001 6 , . 4210511 (tapping voltage of a winding) 4210512 (tapping power of a winding) , . 4210513 (tapping current of a winding) 4210514 (full-powe
11、r tapping) 4210515 (reduced-power tapping) 42106 (LOSSES and NO-LOAD CURRENT) 4210601 (no-load loss) , . 4210602 (no-load current) 4210603 (load loss) a) , b) , . . 4210604 (supplementary load loss) I 2R R DC . 4210605 (total losses) . 42107 , 4210701 ( )impedance voltage at rat ed current(for the p
12、rincipal tapping) a) 2 , C IEC 60050 421： 2001 7 . b) 1. . 2. . 4210702 (short-circuit impedance of a pair of win dings) , . . 4210703 , (voltage drop or rise for a specified load condition, voltage regulation for a specified load condition) , . (1 .) 1 . . 4210704 (zero-phase-sequence impedance) 3
13、. 42108 (TEMPERATURE RISE) 4210801 (temperature rise) 42109 (INSULATION) 4210901 Um( )highest voltage for equipment Um(applicable to a transformer or reactor winding) r.m.s Um 4210902 (rated insulation level) C IEC 60050 421： 2001 8 a) b) ( ) 4210903 ( )uniform insulation of a winding (of a transfor
14、mer or of a reactor) 4210904 ( )non-uniform insulation of a w inding(of a transformer or of a reactor) , , . 42110 (CONNECTIONS) 4211001 (star connection) , . , 3/1 120C . a) 3 , 3 , O . b) 3 1 , 2 . 4211002 (delta-delta connection) 3 1 , 2 3 . 4211003 V (open-delta connection) 3 . V 3 57.7 % . 4211
15、004 (zigzag connection) 3 Y 2 . 3 2 875 , 1 , 2 30 % . . (1) 2 1 . (2) 1 , 3 . 4211005 (open winding) . 4211006 (Scott connection) 3 2 3 3 2 3 C IEC 60050 421： 2001 9 4211007 (Lablanc connection) 3 3 2 4211008 (phase difference) a) b) . , (phase lead), (phase lag) . 4211009 (connection symbol) , ( )
16、 . 42111 (ON-LOAD TAP-CHANGERS) 4211101 (on-load tap-changer) 4211102 (tap selector) 4211103 (diverter switch) 4211104 (selector switch) 4211105 (change-over selector) 4211106 (transition impedance) , , . 4211107 (driving mechanism) 4211108 (set of contacts) 4211109 (main contacts) C IEC 60050 421：
17、2001 10 4211110 (main switching contacts) 4211111 (transition contacts) 4211112 (circulating current) , . 4211113 (switched current) 4211114 (recovery voltage) 4211115 (tap-change operation) 4211116 (cycle of operation) 4211117 (rated through-current) , 4211118 (maxim um rated through-current) 4211119 (rated step voltage) 4211120 (maximum rated step voltage) 4211121 (number of inherent tapping positions) 1/2 4211122 (number of service tapping positions) 1/2 “ ” . C IEC 60050 421： 2001 11
