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JZW-72.5 voltage transformer, epoxy resin casting and outdoor installation, is widely used for measuring current, electric energy and protective relaying in the power system with the frequency of 50Hz or 60 Hz and rated voltage of 66kV or 69kV.
The product can be operated on many circumstances such as the areas of altiplano, tropical area, chillness, coastland and dirtiness etc.
Main technical parameter
1. Highest voltage for equipment: 72.5kV
2. Rated primary voltage: 66/√3kV or 69/√3kV etc
3. Limiting output ：2000VA
4. Rated power-frequency withstand voltage: 140kV
5. Rated lightning impulse withstand voltage: 325kV or 350kV
6. Rated insulation level: 72.5/140/325kV or 72.5/140/350 kV
7. Technical standard accords with IEC 60044-2:2003 Part2 Instrument transformers-Part2: inductive voltage transformers or IEEE STD C57.13-2008
|
Rated primary voltage (kV) |
Rated secondary voltage (kV) |
Accuracy classes combination |
Rated output (VA) |
Max output (VA) |
Rated insulation level(kV) |
|
66/√3 69/√3 |
0.1/√3/0.1/3 0.11/√3/0.11/3 |
0.2/6P(3P) |
150/100 |
2000 |
72.5/140/325 |
|
0.5/6P(3P) |
300/100 |
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|
1/6P(3P) |
500/100 |
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|
0.1/√3/0.I/√3/0.1/3 0.11/√3/0.I1/√3/0.11/3 |
0.2/0.2/6P(3P) |
75/75/100 |
1000 |
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|
0.2/0.5/6P(3P) |
50/100/100 |
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0.5/0.5/6P(3P) |
150/150/100 |
Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline drawing
1# International Business Department.
0086-755-8600 0713
Mobile :+86-138 2379 0397
1F and 4F block B,Jiada R&D Bldg, High-tech Park,Nanshan,Shenzhen,China
Post code：518057
Shenzhen Chuangyin Co., Ltd.---- a national high-tech enterprise. 
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