A 110kV current transformer in a traction substation began to exhibit noticeable abnormal sounds during operation, signaling a potential risk. To prevent a failure during operation that could lead to a power outage, the current transformer was replaced. The new transformer requires testing before it is put into service. The testing includes secondary winding DC resistance, ratio test, polarity test, excitation characteristics test, and dielectric loss test.
The new transformer requires several tests, which consume significant time and lead to tight scheduling.
Multiple devices are needed for various tests, making the process cumbersome and time-consuming.
By utilizing the Dielectric Loss Tester and Comprehensive Transformer Testing Device, we can streamline the testing process. The dielectric loss tester measures the dielectric loss factor and capacitance of the transformer, while the comprehensive testing device completes all key tests—resistance, ratio, polarity, and excitation characteristics—in a single connection, reducing both time and complexity.
Significantly reduces testing time by conducting multiple tests with a single setup.
A single device performs all necessary tests, reducing equipment complexity and human error.
Provides complete, accurate data in a single report, making it easier to assess transformer condition.
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