'EMMESS' manufactures Outdoor Oilcooled CTVT combined Metering unit upto 33KV for customer requirements as per IS 2705/1992 & IS 31546/1992, IS 60044(1) & IS 60044(2), and IEC 61869 (1) & IEC 61689(2).
CTVT combined Metering unit can be offered suitable for the following system.
- Three phase, Three wire system with one three phase VT (with HV Neutral unearthed ) and two CT's per unit of required creepage.
- Three phase, Four wire system with one three phase VT (with HV Neutral unearthed ) and Three CT's per unit of required creepage.
Secondary fuses if required will be provided in the secondary terminal boxes.
CTVT combined Metering set of high accuracy with 0.2 class for VT's and 0.2S for CT's with Instrument Security Factor ( ISF) less than 5 can be offered.
SPECIFICATION
TYPE |
Suitable for Three phase three wire system or Three phse four wire system as per customer requirement. |
OPERATING VOLTAGE (MAX) |
3.6KV, 7.2KV., 12KV, 24KV,36KV, |
PRIMARY CURRENT |
UPTO 600A, ( Others as per customers request) |
SECONDARY CURRENT |
5A, 1A, 0.577A (Others on request) |
SHORT TIME THERMAL CURRENT & ITS DURATION |
OCF 100/1 Sec upto Pry current of 50A
9KA /1 Sec upto Pry current of 100A
25KA/3 Secs from pry current of 100A. |
RATED BURDEN |
5VA.10VA, 15VA (others on request) |
ACCURACY CLASS |
0.1,0.2S,0.2, 0.5S, 0.5, 1.0 for Current Transformers. ( Others on Request)
10VA,50VA,30VA,50VA,100VA for Voltage Transformers (Others on request) |
FREQUENCY |
50 HZ |
REF STANDARD |
IS 2705/1992 & IS 31546/1992, IS 60044(1) & IS 60044(2), and IEC 61869 (1) & IEC 61689(2). |
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