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| Place of Origin: | China |
| Brand Name: | Sansion |
| Certification: | CE/CNAS/ISO9001 |
| Model Number: | SXZR |
The Transformer Winding Resistance Tester is widely used for evaluating transformer winding resistance and checking electrical connection conditions.
For transformers equipped with an On-Load Tap Changer (OLTC), winding resistance measurements across different tap positions help engineers identify abnormal contact resistance and potential connection problems.
By comparing measurement results between phases and tap positions, maintenance engineers can obtain useful information about winding and tap changer contact conditions.
Certain advanced transformer resistance testing instruments also provide specialized OLTC testing modes. Dynamic resistance measurement, however, requires a specifically designed test function and should not be assumed to be included in every standard DC resistance tester.
Comparing resistance values across tap positions may help identify abnormal contact conditions.
Comparing phase measurements can help identify potential winding or connection problems.
Digital storage and report export can help engineers organize historical test results.
The testing method and equipment configuration should match the transformer connection and tap changer design.
Yes. It can measure winding resistance at different tap positions when the test configuration and operating procedure allow it.
It evaluates electrical resistance associated with the tap changer contacts and related winding connections.
No. Dynamic resistance measurement requires dedicated hardware and software capabilities.
Yes. The operator can perform measurements at specified tap positions according to the transformer testing procedure.
Some models calculate the three-phase resistance unbalance rate automatically.
Confirm the required test method, tap changer type, current output, measurement range and whether dynamic resistance measurement is required.
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