Current and Voltage Transformer

Transcription

1 Digital Electric& Electronics System KS C Current and Voltage Transformer PHSE CURRENT TRNSFORMER PROTECTION CURRENT TRNSFORMER SQURE TYPE CURRENT TRNSFOMER (.KV) ROUND TYPE CURRENT TRNSFORMER [.KV] WINDING TYPE CURRENT TRNSFORMER [.KV] PHSE VOLTGE TRNSFORMER VOLTGE TRNSFORMER ND GROUNDING VOLTGE TRNSFORMER [0.7KV] EPOXY RESIN INSULTOR [0.KV] EPOXY RESIN INSULTOR [7., KV] EPOXY RESIN INSULTOR [, KV] SHUNT [VOLTGE DROP MV] CURRENT LIMIT RESISTER [CLR] CT, VT (0.kV, 7.kV, kv, kv, kv)

2 PHSE CURRENT TRNSFORMER Feature phase in one current transformer with combined each of ct easy to install, save the cost Case : Polycarbonate (PC) Rating Items Max. Voltage Frequency Phase Over Current Factor pplied range V Hz.0% ~.0%, 0In/Sec 0In/Sec V Window C.T (PW C.T) Specification Model DW-0 DW- DW- DW- DW- Pri. Cur.() Sec.Cur.() (%).0.0 /.0.0 / Burden(V). / / / 0 / 0 MCCB&ELCB F F F 00F 0/0F V Window C.T (PW C.T) Specification Model DW-0 DW- DW- DW- DW- Pri. Cur.() Sec.Cur.() (%).0.0 /.0.0 / Burden(V). / / / 0 / 0 MCCB&ELCB F F F 00F 0/0F DEESYS TOTL PRODUCTS GUIDE

3 External wiring diagram nd connection method Notice : pay attention of polar nd connection method Notice : pay attention of polar Unite : mm PW C.T DW-0 DW- DW- DW- DW- PW C.T DW-0 DW- DW- DW- DW- 7 B C 7 0 D 9 0 E 9 F 0 T 7 T H G DEESYS TOTL PRODUCTS GUIDE

4 PROTECTION CURRENT TRNSFORMER DS - R, DS - R, DS - R, DS - R [DS - R], DS - R Model st Rating nd Rating n In Frequency Burden DS - R ~00 n > 0 Va DS - R ~0 n > 0 ~0Va DS - R DS - R [DS - -R] 0~,0,000~,000 C / P n > 0 n > 0 n > 0 n > 0 0 in / Hz ~0Va Va ~0Va ~Va DS - R,0~,000 n > 0 n > 0 ~0Va ~Va Feature Tolerance class Overcurrent numeric(n) Safety Index Overcurrent intensity Rating burden Limit value of nd current when connect rating burden to c.t and input rating current P / P [ JEC0 ], P / 0P [ IEC0- ] In put over current on c.t and display has numeric of st rating current with the value which is overcurrent satisfied to tolerance class of nd current is divied by st rating current. [ n > / n > 0 / n > 0 ] In put over current on c.t and display has numeric of st rating current with the value which is overcurrent get out of tolerance class is divied by st rating current. [ FS / FS 0 / FS / FS 0 / FS 0 ] In put over current on st c.t and display as numeric of st rating current for max overcurrent value with no change in thermal and mechnical [ 0In / 7In / In / In ] In = rated current Total load value to connect nd. Within allowance range of tolerance class in c.t V / 0V / V / V / 0V [ JEC0 ].V / V / 0V / V / 0V [ IEC0- ] Uite : m/m MODEL B C D DS-R DS-R DS-R 0 DS-R 0 DS--R 0 DS-R 7 DEESYS TOTL PRODUCTS GUIDE

5 SQURE TYPE CURRENT TRNSFOMER (.KV)PNEL DS-, DS-, DS-, DS-, DS-, DS- BUsbar through type Color : Brown For metering Resin : BS Non-flamable(case) For indoor Mold : Polyester Single ratio C.T DS- DS- DS- DS- DS- DS- Primary () ~ ~ 00 0~0 0~0 7~0 0~000 0~00 Secondary () or Burden (V) or or or or ~0 ~0 0 (%) over curr. strenght (times) or Frequency (Hz) / Weight (kg) Unit : mm DS- DS- DS- DS- DS- DS-- DS B C 0 D Double C.T Connection diagram DS CT is designed how to install the busbar is very easy by being used the installing metal. DEESYS TOTL PRODUCTS GUIDE 7

6 ROUND TYPE CURRENT TRNSFOMER (.KV) DR-, DR-, DR-, DR- Cable through type Mounting parts to be changeable at 90 direction For metering application For indoor Color : Brown Resin : BS Non-flamable(case) Mold : Polyester What is rating ampere turn? Specification The rating.t is the value of rating ry current() a multiplies the turn of ry conductor. ccording to the method how the turn of ry conductor is changed. It is able to change rating ry current. ex) In case of rating T : T The turn of cable T :rating ry current The turn of cable T :rating ry current The turn of cable T :rating ry current Refer to page for the turn and cross area of ry conductor according to rating ry current. DR- DR- DR- DR- 9 0 B 77 øc 7 0 ød 7 E F G DR- DR- Rated (T) Burden (V) or (%).0.0 Over Current Strength (times) 0ln Frequen -cy(hz) / Weight (kg) 0. DR or DR DEESYS TOTL PRODUCTS GUIDE

7 KSC- Current ratio and across area of ry conductor ccording to turn of DR. CT ry conductor Follwing table is discribed the trun rating ry current, ry conductor and the cross area of 0V vinyl wire(00.i Wire) The allownace current of wire is the value at amboent temperaure 0 discribed. V V 0V DR- / DR- DR- DR- Rated T ry current () turns (T) ry cable (mm ) Rated T ry current () turns (T) ry cable (mm ) Rated T ry current () turns (T) ry cable (mm ) ( ) ( ) ( ) X( ) X( ) X( ) X( ) 0 7 (ex)in case of DR-type CT and trun of mm outer cross lengh of mm will. mm The error 0 & T is 0. class and then inner cross lengh of DP-F CT is 7mm and the CTcan be used DEESYS TOTL PRODUCTS GUIDE 9

8 WINDING TYPE CURRENT TRNSFOMER (.KV) DRW-, DRW-0, DRB-, DRB- Winding type Color : Brown For metering Resin : BS Non-flamable(case) For watt hour meter Mold : Polyester Changeable 90 at mounting direction Single ratio C.T DRW- DRB- DRW- DRB- Primary () ~0 0~ ~ 00~0 ~0 0v ~ 00~0 dimension Secondary() or or Burden (V) 0 (%).0.0 over curr. strenght (times) 0in 0in Fig Fig Fig Fig Weight (kg) Remark Terminal Busbar Terminal Busbar DRW C.T DRB C.T Fig.~0(DRW C.T) Fig. 0~0(DRB C.T) DRW- DRW-0 Primary curreent ~0 Unit : mm B C 90 0 C DRB- DRB- Primary curreent() 0~ ~ 00~0 0~ ~ 00~0 B C D E F G.. H(ø) DEESYS TOTL PRODUCTS GUIDE

9 PHSE VOLTGE TRNSFORMER Feature phase measuring pt is very good shape throagh landmark design and easy to install price is less expensive and ecomomical to apply to SWGR Simple for wiring and reduce the time for connection Rating Items Max. Voltage Frequency Phase Over Voltage Factor pplied range V Hz.0%.Vn Conlnuous Specification Model DP-F (PW) DGP-F (PW) Pri. Volt 0-0V 0/R-0/R Sec. Volt 0-0V 90/RV (%).0.0 Burden V V DEESYS TOTL PRODUCTS GUIDE

10 PHSE VOLTGE TRNSFORMER External wiring diagram nd Terminal cover st Terminal and Fuse cover DEESYS TOTL PRODUCTS GUIDE

11 VOLTGE TRNSFORMER ND GROUNDING VOLTGE TRNSFORMER (0.7KV) Single phase metering & relaying For indoor Color : Brown Resin : BS Non-flamable(case Mold : Epoxy Note: It the burden of ry winding open terinal is less than rating burden. It may be the reason of relay malfunction due to remaining voltage. Please select the pit that applieable burden of PT will be % of rating burden. Specification Name Rated voltage(v) ccuracy Burden(V) 'ry 'ry 'ry 'ry 'ry 'ry 'ry Frequency (Hz) Voltage Factor (IEC-) Weight (kg) V.T DP- DP-F DP- DP-F DP- DP-F or 90 0r Vh cont... DGP- DGP-F.0 /. GPT DGP- DGP-F DGP-T DGP-TF DGP-T DGP-TF 0/ / 0/ 90/ or 0/ 90/ or 0/ p.vh cont.9vh 0S... Model DP- DP-/DGP- DP-/DGP- B 0 C 0 7 D 7 7 E 77 7 DEESYS TOTL PRODUCTS GUIDE