On-line monitoring of partial discharge of cable joints (110kV and above)

It can detect basic partial discharge parameters such as discharge volume, discharge phase, and discharge times, and can provide statistics of relevant parameters according to customer requirements. Minimum measurement discharge volume: 1mV; Measurement frequency: 300kHz-30MHz; Discharge pulse resolution: 10µs; Phase resolution: 0.18°. It can display power frequency periodic discharge graph, two-dimensional (q-φ, N-φ, N-q) and three-dimensional (N-q-φ) discharge spectrogram.

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It can detect basic partial discharge parameters such as discharge volume, discharge phase, and discharge times, and can provide statistics of relevant parameters according to customer requirements.

Minimum measurement discharge volume: 1mV; Measurement frequency: 300kHz-30MHz; Discharge pulse resolution: 10µs; Phase resolution: 0.18°.

It can display power frequency periodic discharge graph, two-dimensional (q-φ, N-φ, N-q) and three-dimensional (N-q-φ) discharge spectrogram.

The database built by Access can record measurement phase sequence, discharge volume, discharge phase, measurement time and other related parameters, provide a discharge trend graph and have early warning and alarm functions, and can query, delete, backup, and print reports on the database.