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On-site detection, diagnosis and fault location system for partial discharge of high-voltage cables
It is used for on-site frequency conversion resonance voltage test of 10kV~220kV high-voltage cables, on-site partial discharge detection and fault location under oscillating waves. It can conduct AC withstand voltage and partial discharge fault location tests on high-voltage cables with a length of 0.2km-8km.
Keyword:
Power IoT sensors Smart power distribution Internet of Things Smart cable tunnel gallery Smart power generation Internet of Things Smart Internet of Things
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Product Details
Damping AC output voltage: 5kV~220kV
Damping AC voltage frequency range: 30Hz~300Hz
Test cable length: 0.2km~8km (equivalent capacitance range: 0.05μF~2μF)
Pressure method: AC resonance boost
Partial discharge detection frequency band: 30kHz~45MHz
Partial discharge test range: 1pC~100nC (1pC~5pC can be measured in the laboratory)
Fault location accuracy: ±2m
Partial discharge testing standard: in line with IEC 60270 standard
Withstand voltage test standard: in line with GB50150-2006 standard
Functional characteristics: withstand voltage test, partial discharge field detection, fault diagnosis and location; anti-interference technology such as digital filtering, dynamic threshold, wavelet analysis, time delay identification; discharge spectrum, fault location spectrum, discharge phase spectrum, number of discharges Spectrogram, discharge type recognition and other functions.
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