The 33KV medium voltage current instrument transformers LZZW1-35Q are fully enclosed and cast in epoxy resin. Transformer is equipped with one core and coil assembly rated for measurement and protection. The current transformers are designed for electric power systems of 50Hz/60Hz rated frequency and 36kV rated voltage. They are used for outdoor mounting. The performances of the products meet standards IEC60044-1, IEC61869-2 and ANSI/IEEE C57.13. The products are applied to metering electric energy, voltage controlling and relay protection.
Rated primary current (A) |
Ith/ls (KA R.M.S.) | Idyn (KA peak) | Accuracy class combination |
Rated secondary output (VA) | Surface creepage distance (MM) | Wt (KG) |
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---|---|---|---|---|---|---|---|---|---|---|---|---|
1S/2S | 0.2S | 0.5S | 0.2 | 0.5 | 5P10 | 5P15 | 5P20 | |||||
10 |
2 | 5 | 0.2(S)/0.2(S) 0.2(S)/0.5(S) 0.5(S)/0.5(S) 0.2(S)/5P 0.5(S)/5P |
10 |
10 | 15 | 30 | 50 | 30 | 20 | 1300 | 72 |
15 |
2.7 | 6.75 | ||||||||||
20,25 |
4 | 10 | ||||||||||
30 |
6.3 | 15.7 | ||||||||||
40 |
8.1 | 20.2 | ||||||||||
50 |
10.8 | 27 | ||||||||||
75 |
16.2 | 40.5 | ||||||||||
100 |
21.6 | 51.5 | ||||||||||
150 |
37.8 | 94.5 | ||||||||||
200,250 |
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300,400 |
54 | 110 | ||||||||||
500,600 |
68.4 | 136 | ||||||||||
750,800 |
95.5 | 190 | ||||||||||
1000 |
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1200-1500 |
140 | 200 |