This protection allows the controllers to be warned of the flow of current between the total output of the generator, the switchgear and the entry to the substation distribution. If one of these areas does not match the flow of the current, the protection relay will trip.
TCRE SERIESSWITCHGEAR CURRENT TRANSFORMERS
Insulation class: 36 kV BIL: 200 kV*
Current rating: 50:5 amps. up to 3000:5 amps.
Relaying accurancy: C20 up to C800, depending on the ratio required
Metering accuracy: in relation with the ratio required
Thermal rating: continuous @ 30C: 1.33X
1 second: 80X
Frequency: 50/60 Hz
Type: window Multiratio or tapped-secondary are also available.
* In accordance with ANSI / IEEE - C57.13, CSA - CAN3 - C13, IEC - 185
PM Transformers, 164 Cowie, Granby, PQ J2G 3V3. Tel: 450-372-3456; Fax: 450-372-5890.