Wound primary current transformers

   T SERIES

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Indoor

3.6- 7.2 - 12 - 17.5 -24 - 36 KV

Primary current from 0 to 600 A

Ith up to 1000 Ipn

Cast-resin insulated

 

 

 

 

 

Current transformers vacuum moulded in self-extinguishing epoxy resin for the measurement of AC currents up to 600A.

This range is also available with double ratio up to 300-600A by primary change-over.

 

 

Technical data

Rated insulation level

 

3.6/10/40   to  36/70/170 kV

 

primary current Ipn

 

Up to 600A

 

 

Secondary current Isn

 

5 or 1 A

 

 

 

Frequency

 

 

50 or 60 Hz

 

 

Rated output

 

1 to 100 VA

 

 

Accuracy class

 

0.1 - 0.2 - 0.2S -0.5-0.5S-1-3-5P-10P-ClX

Security factor

 

5  to 20

 

 

 

Accuracy limit factor

 

5-10-15-20-30

 

 

Continuous thermal current

1.2 Ipn

 

 

 

Short-time thermal current Ith

Up to 1000 Ipn

 

Dynamic current Idyn

 

2.5 Ith

 

 

 

Insulation class

 

E

 

 

 

Altitude

 

 

1000 m

 

 

 

Ambient temperature

 

-5C° to + 40 C°

-25C° to + 40 C°

-40C° to + 40 C°

 

 

Standards

 

 

 

IEC60044-1, IEC61869-2,IEC60044-6

 



 

 

Other characteristics on request

Double- ratio

 

5-10 to 300-600 A by primary change -over

Secondary current Isn

 

 

0.05 to 10 A

 

Multiple cores

 

Up to 3  cores

 

Continues thermal current

 

1.2 to 1.5Ipn and 2Ipn

 

Ambient temperature

 

Up to + 110C°

 

Standard

 

 

ANSI C57.13, CAN13- AS1675



 

 

Selection  and dimentiontable:

Type

Un

Weight

A

B

C

D

E

F

J

K

L

G

 

kv

kg

mm

mm

mm

mm

mm

mm

mm

mm

mm

mm

T2

17.5/38/95

11

178

170

215

250

35

103

110

240

206

71.5

T3

17.5/38/95

13

178

190

215

250

35

116

120

240

206

72

 T5

17.5/38/95

25

212

280

255

290

35

-

125

240

206

-

 T20

24/50/125

18

255

176

295

340

35

-

160

220

180

-

 T22

 24/50/125

25

252

232

270

305

35

80

180

220

180

60

 T30

36/70/170

24

275

212

310

345

35

40

185

220

180

60

 T32

36/70/170

39

272

254

351

396

35

-

180

220

180

-



 

 
 

*This document is the property of Pars Shar and maybe changed without prior notice*