Verification System for On-line HF PD Detectors

Verification System for On-line HF PD Detectors

This system assesses and verifies the functionality and performance of on-line HF partial discharge (PD) detectors by injecting HF pulses or simulated HF partial discharge signals into the grounding circuit of power equipment.

Key Features:

•  Comprehensive assessment:Comprehensively assess and verify the functionality and performance of on-line HF PD detectors, including sensitivity, linearity, stability, sampling continuity, interference resistance, pulse counting, pattern recognition & diagnosis, and more.

•  Remote control:Can be controlled both at scene and remotely from a control room.

•  HF pulse generator:Generates pulses and simulated PD signals with adjustable amplitude, frequency, and interval.

•  Discharge pattern simulation:Simulates typical discharge patterns including tip discharge, particle discharge, floating discharge, air-gap discharge, and creeping discharge.

•  Pulse counting verification:Generates pulses with fixed or random intervals to verify the continuity of sampling and the accuracy of the pulse count functionality.

•  Reference measurement:Reference sensor can be installed to be used for baseline measurement.

•  Synchronization:Wired or wireless phase synchronization with the power frequency.

•  Automated testing:Highly automated all-in-one software performs all testing items and generates test reports with one click.

•  Data storage:Can store the records of all assessed instruments for diagnosis and analysis.

Technical Specifications:

•  Pulse output:                                             Single pulses, simulated discharge patterns;

•  Pulse shape:                                             Rising edge 5ns, amplitude: 0 ~ 60V;

•  Single pulse interval:                                 Fixed, random;

•  Simulated discharge patterns:                   Tip, particle, floating, air-gap, and creeping;

•  Synchronization input:                               Wired, wireless, 30 ~ 200Hz, 10 ~ 220V;

•  Synchronization output:                             Sinewave, 30 ~ 200Hz, 24V;

•  Connectivity:                                              3G/4G cellular, RJ45;

•  Battery pack:                                              24V/5Ah Li-ion battery, continuous working time 8hrs;

•  Size:                                                           254x201x53mm;

•  Weight:                                                      2.2kg.

Pictures:

Software UI

HF pulse generator

Reference HF sensor



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