Power Factor / Grading Capacitance Measurement
Measuring the power factor, or the dissipation factor, also known as the tangent delta (tan δ), provides effective means for verifying the integrity of the insulation condition of circuit breaker components. In particular, the insulation condition of dead tank high voltage breaker bushings should be verified with this measurement. On dead tank breakers this measurement method is used to verify the insulation condition of the bushings by detecting deterioration in capacitive layers. On life tank high voltages breakers this measurement method is used to evaluate the capacitance of grading capacitors. If the measurement is performed outside of mains frequency, interferences from nearby live station components can be filtered out and minimized. Measuring over a range of frequencies provides better insight into the insulation condition.
TESTRANO 600 + CP TD12
The TESTRANO 600 can be used to comprehensively test power and distribution transformers, that can measure at frequencies ranging from 15 Hz to 599 Hz. When combined with the CP TD12, the device can provide great insight into the insulation condition of high voltage components.
Benefits of this solution
High output voltage
Ideal for on-site testing
CPC 100 + CP TD12
The CPC 100 is a multifunctional device that can be used to test many substation elements, such as instrument transformers, power transformers, station grids, or circuit breakers. Measuring at frequencies ranging from 15 Hz to 400 Hz, the combination of CPC 100 and the CP TD12 provides great insight into the insulation condition of high voltage components.
Power Transformer Testing - Measuring capacitance and power factor or dissipation factor
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