Partial Discharge Test Equipme

Partial Discharge Testing System Description This system is used for measuring partial discharge of transformer, motor, instrument transformer, cable, GIS, switch and arrester, etc. The system has multi?channel measuring function which allows measuring several test or several points. This method?can be successfully used for big transformers and transformer?substation.Main components No partial discharge transformer Partial discharge measuring instrument Isolation low pass filter Coupling capacitor Current limiting resistance Control panelFrequency 50, 100, 150, 200, 400Hz 3dB ?fL?10?20?40KHZ?optional 3dB ?fH?80?200?300KHZ?optional Rough adjustment 6 range 20?1dB,fine tuning range >20dBMain specification Input No.Tuning capacitance rangeSensibility?PC?unbalanced circuitAllow current RMSunbalancedbalanced10?25?100PF0.0230mA0.25A225?100?400PF0.0450mA0.5A3100?400?1500PF0.*mA1A4400?1500?6000PF0.10.25A2A*?6000?*PF0.20.5A4A60.006?0.025?0.1?F0.31A8A70.025?0.1?0.4?F0.52A15A80.1?0.4?1.5?F14A30A90.4?1.5?6.0?F1.58A60A101.5?6.0?25?F2.515A120A116.0?25?60?F525A200A1225?60?250?F1050A300A7Rresistance0.52A15A

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