Compact 12kV MV Current Transformer Three Phase Overhead Line Column Installation
12kV Outdoor Three-phsae Epoxy Resin Type Combined Transformer Description: Three-phase combined current and voltage transformer JLSZXW5-12S is combined of 3 CTs and 3 PTs (2CTs+3VTs and etc. available). Y-Y star wiring. Casted by alicyclic epoxy resin, it is high UV resistance for outdoor environment. The structure is more compact than oil-immersed type, and it is light weight, no oil leakage pollution, maintenance free. It is mainly use for measuring current and voltage,
12kV Outdoor Three-phsae Epoxy Resin Type Combined Transformer
Description:
Three-phase combined current and voltage transformer JLSZXW5-12S is combined of 3 CTs and 3 PTs (2CTs+3VTs and etc. available).
Y-Y star wiring. Casted by alicyclic epoxy resin, it is high UV resistance for outdoor environment. The structure is more compact than oil-immersed type, and it is light weight, no oil leakage pollution, maintenance free. It is mainly use for measuring current and voltage, energy metering and smart system management of OHL in the highest equipment voltage of 12kV rated frequency of 50/60Hz.
Basic technical data:
1. Installation: Outdoor, overhead line column installation
2. Insulation type: Dry, Epoxy
3. Highest voltage for equipment Um (r.m.s.)12kV
4. Rated power-frequency withstand voltage (r.m.s.): 28kV
5. Rated lightning impulse withstand voltage (peak): 75kV
6. Rated frequency: 50Hz / 60Hz
7. Applied standard: IEC 61869-1,-2,-3&4
IEC 60044-1&2
Specification:
| voltage transformer | current transformer | Rated insulation level(kV) | |||||
| Rated primary voltage(kV) | Rated secondary votage(V) |
Accuracy class |
Rated output (VA) | Rated current ratio(A) |
Accuracy class |
Rated output (VA) | |
|
10/√3 11/√3 |
100/√3 110/√3 120/√3 100 110 120 |
0.2 0.5 1 |
15 25 50 |
Single ratio 5/5 10/5 …… 600/5 |
0.2 0.5S 0.5 1 |
10 12.5 15 |
12/28/75
|
|
double ratio 5-10/5 10-20/5 …… 300-600/5 |
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