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Transformer Testing >>   Partial Discharge Measurement

Partial discharge (PD) is a localised electrical discharge that only partially bridges the insulation between conductors and which may or may not adjacent to a conductor. Generally, PD appears as pulses of duration of much less than 1ms.

The significance of PD on the life of insulation has long been recognised. Every discharge event causes a deterioration of the material by the energy impact of high-energy electrons or accelerated ions, causing chemical transformations of many kinds.

Industry Partial Discharge Measuring System Professional Partial Discharge Measuring System
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Diagnosis of high voltage insulation systems

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Fulfils standard IEC 60270

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Real analogue processing

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Direct observation of PD activities by analogue or digital meter

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Good linearity and reproducibility of measurements

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Auto calibration

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Auto ranging

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Built-in RS232 interface

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One cable connection between coupling device and instrument

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Including Battery Calibrator and Coupling Device

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Options: different kinds of multiplexers, remote control software

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Diagnosis of high voltage insulation systems

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Fulfills standard IEC 60270

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Selectable broad band filters

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Tunable narrow band filter

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Combined analogue and digital display

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Interference gating with up to 6 individually adjustable gates

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Real analogue or digital processing

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Auto calibration

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Auto ranging

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Phase resolved pattern in scope mode or fingerprint mode

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One cable connection between coupling device and instrument

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Including Battery Calibrator and Coupling Device

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Options: different kinds of multiplexers and remote control software, digital signal processing software

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