SZ Series OLTC 1000kva Mini distribution 12kv Miniature Substation Transformer
1. The SZ Series OLTC 1000kva Miniature Substation Transformer can be tested only after all the test items are qualified.
2. The SZ Series OLTC 1000kva Miniature Substation Transformer should also be checked before the trial operation.
3. SZ Series OLTC 1000kva Miniature Substation Transformer does 5 shock tests (closing test).
4.
The no-load running time is related to the capacity of the SZ Series
OLTC 1000kva Miniature Substation Transformer, generally not less than
24 hours.
5. After the no-load running time is completed, the SZ Series OLTC 1000kva Miniature Substation Transformer will re-load.
6.
Oil leakage of iron castings The main reason for oil leakage is that
there are sand holes and cracks in the iron castings. For crack leakage,
drilling crack prevention holes is the best way to avoid stress
extension.
7. During treatment, lead wire can be driven into the leak
point or riveted with a hand hammer according to the condition of the
crack. Then clean the leaking point with the material and seal it with
the material.
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