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Applications
With power system development and maintenance technology advancement, PD has become one of the most important indicators for assessing potential insulation issues and quality defects in HV electrical equipment.HV electrical equipment PD live patrol detection is a new method for condition-based maintenance of HV electrical equipment, using PD changes to assess HV equipment operational health.
Online PD Detectorprimarily suitable for PD detection of transformers, reactors, power cables, factory testing and field testing. Also applicable for PD detection of generators, instrument transformers, bushings, GIS and other HV equipment at various voltage levels and capacities.
This system uses modern electronics and computer technology for signal amplification (analog, electronic, digital), filtering, data acquisition, processing, graphical display, and automatic test report generation to complete PD measurement and analysis.
Online PD DetectorTechnical Parameters
Channels：2 electrical signal interfaces，one external sync interface
Sampling Rate：0.5M、1M、2.5M、5M、10M、20Mselectable
Frequency Range: ：20k-100kHz、80k-200kHz、40k-300kHz
Display：7” TFT true color touch LCD
Interface: RS232 for PC sync
Storage: SD card standard 16G card, upgradable to 32G, for storing test records and data
Features：
1.PD signals digitally processed and displayed on LCD replacing traditional oscilloscope tube.
2.Operation identical to traditional analog PD Tester tester, easy to learn.
3.Freely selectable ellipse, line, sine display modes.
4.Digital windowing technology avoids interference impact on measurement.
5.Random phase windowing, single/double window selectable, 150-degree ellipse rotation.
6.Freeze-frame current discharge pattern for static PD pulse observation and analysis.
7.Save current discharge pattern for test result traceability.
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