11 KV to 132KV Oil filled Current Transformer for Outdoor Installation

     
 
11KV OUTDOOR CT   33KV OUTDOOR OIL COOLED DEAD TANK
     
 
33KV OUTDOOR OIL COOLED CT DEAD TANK 2 BUSHING   33KV OUTDOOR OIL COOLED CT DEAD TANK GALVANISED

   
33KV OUTDOOR OIL COOLED CT LIVE TANK   33KV OUTDOOR OIL COOLED CT LIVE TANK GALVANISED  
         
     
33KV OUTDOOR OIL COOLED CT LIVE TANK   DEAD TANK 33KV CT  
         
(A) Types 1.Live Tank C.T's or Inverted type .
2.Dead Tank C.T's. or Hair pin type.
(B) Features # Low cost, maintenance free , Pedestal mounting.
# Vertical as well horizontal transportable.
# Hermetically sealed and nitrogen cushion provided.
# Stable accuracy over life time.
# Primary or secondary reconnect-able versions.
# Designed for extreme conditions from polar to desert climate.
# Hair pin CT's have very low center of gravity so are very suitable for high seismic regions.
(C) Application # Precision Revenue metering, control indication.
# Relay Protection device.
(D) Specification   
SL. Particulars   11 KV 22 KV 33 KV 66 KV 132 KV
1 Highest System Voltage kV 12 24 36 72.5 145
2 Power Freq dry/wet withstand voltage KVp
rms
28 50 70 140 275
3 Lightning Impulse Voltage
1.2/50 µs
kVp 75 kV 125 170 325 650
4 Transformation ratio Amp Ratio in multiples upto 5000
5 Rated Primary Current Amp Upto 5000
6 Rated Secondary Current Amp 0.577,1.0,5.0
7 Short Time Current Rating KA 25KA  for 1 sec 25 KA for 1 or 3 sec 25 KA for 1 or 3 sec 40 KA for 1 or 3 sec 40 KA for 1 or 3 sec
8 No of cores no Upto 5 core
9 Out put Burden VA Upto 60 VA at 0.8 pf lag
10 Accuracy class -  
  Metering - 0.2, 0.2s, 0.5, 0.5s, 1.0, 3.0 & 5.0
  Protection - 5P, 10P,  PS, 5PR, 10PR
11 Instrument Security Factor (I.S.F/FS) for Metering Core   5 or 10 , FS10 is sufficient for modern meters
12. Accuracy Limit Factor (ALF) for Protection Core only   10 , 15, 20.
11 Creepage Distance mm/ KV ≥ 25 ( Longer on request)
 
ISO 9001 : 2008 Certified Company