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Techimp PDCheck is a standalone diagnostic system for the condition assessment of medium and high voltage electrical systems, based on the detection and analysis of Partial Discharges.
Techimp PDCheck has 3 PD acquisition channels, 1 synchronization channel (phase reference) and a digital communication port with 7 acquisition channels for other diagnostic parameters (e.g. voltage, current, temperature, humidity, vibrations, etc.) that can be monitored and analyzed for diagnostic purposes. Moreover it has 1 auxiliary relay output (dry contact) and several smart trending and alarm options (the logic is programmable and can be customized). A Compact Flash memory card allows a safe and large data storage.
Both raw data and derived parameters can be stored and analyzed. Techimp PDCheck can provide a continuous stream of raw or pre-processed data. Concerning the specific PD sensing capabilities, signals are sampled through a 100MS/s digitizer, the complete waveforms can be made available to the operator for further processing, alternatively Techimp PDCheck can calculate pulse features so that data stream can be optimized and, at the same time, PD phenomena separation through the T-F (time-frequency) map and noise rejection can be achieved.
The system can be equipped with copper (RJ45) or fibre optic Ethernet communication port and it can be managed through either laptop or palmtop. A full remote control is available through Internet or Ethernet modem. E-mail alerting systems can be devised. Techimp PDCheck integrates the functions of a PD detection and analysis system, a digital oscilloscope and a spectrum analyzer…all in one! In fact, the system can acquire PD patterns, visualize and analyze waveforms and derive pulse spectra. Techimp PDCheck is suitable for permanent or periodic on-line industrial monitoring and surveillance.
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