Multifunctional partial discharge detection analyzer

The partial discharge detection analyzer (BYPDM) is a multi-functional, multi-purpose portable device, suitable for partial discharge (Partial Discharge, PD) live detection of transformers, GIS, cables, switch cabinets and other equipment. The partial discharge detector also comes with partial discharge acquisition and analysis software, with a flexible user interface, which is convenient for you to accurately judge the characteristics of partial discharge.


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Product Details

Professional partial discharge analysis software

For partial discharge signal characteristics, pulse sequence analysis (PSA), frequency domain spectrum analysis (Frequency Domain Spectral, FDS), wavelet analysis (Wavelet Analysis, WA), and Time-Frequency map (TF map) can be used. ) And other different digital signal processing technologies to help you obtain true and effective partial discharge information. In addition, the partial discharge pattern recognition algorithm is based on the partial discharge phase spectrum (Phase Resolved Partial Discharge, PRPD) for multivariate statistical distribution (Multivariate Statistical Distribution, MSD), which can be more typical for internal discharge, corona discharge, floating potential discharge, etc. The type of discharge is classified and identified.

l Localization function of partial discharge defects

The location of cavity structures such as transformers and GIS are realized by using the spatial location algorithm (Location of Conic Axis, LOCA) of plane intersection as the mathematical model, and the cable fault location is realized by Time Domain Reflector (TDR) technology.

3. Technical indicators

l Signal input channel performance: four high-speed input channels (analog bandwidth 170kHz~1.5GHz, digital sampling rate 5GS/s.), and eight low-speed input channels (analog bandwidth DC~1.3MHz, digital sampling rate 3MS/s.) .

l Ultra-wide frequency band: Pulse current PD signal 100kHz~50MHz, UHF PD signal 300MHz~1.5GHz, Ultrasonic PD signal 20kHz~400kHz.

l Resolution of partial discharge pulse: double pulse resolution <1µs, pulse repetition frequency 1MHz.

l Partial amplifier signal conditioning parameters: the gain is adjustable in the range of -6dB to +54dB, with a step of 6dB; there are seven options for UHF broadband limitation: 20MHz, 100MHz, 200MHz, 350MHz, 650MHz, 750MHz and full passband. Both pulse current and ultrasonic PD signal have programmable filter design.

l Power supply: AC power supply voltage 200V~240V (47~63Hz) wide voltage range.

l Control mode: local, remote network (LAN, WIFI, optical fiber).

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