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The leakage current passed through an insulator in transformers and transmission lines are purely capacitive in ideal conditions
Aging can cause impurities in insulators, introducing conductive path for current to flow, increasing the resistive leakage current through the insulator.
The ratio between the resistive and capacitive leakage current components is called the dissipation factor or tan delta, and can be used to monitor the aging of transmission cables and transformers.
Estimating accurate tan delta can be challenging as the resistive leakage current can be orders of magnitude smaller than capacitive leakage current.
Aizenn's Solution
Aizenn's Solution
Aizenn 3 Phase Leakage Monitoring System
The Aizenn 3 Phase Leakage Monitoring System is a non-invasive 3 phase current sensor with high accuracy and low noise designed to measure the leakage currents electric motors and cables. The Aizenn 3 Phase Leakage Monitoring System evaluates the operating condition of electric motors and cables by extracting resistive and capacitive leakage current components. The measured and extracted data can be viewed using Aizenn Leakage Monitoring software.
The Aizenn 3 Phase Leakage Monitoring System is a non-invasive 3 phase current sensor with high accuracy and low noise designed to measure the leakage currents electric motors and cables. The Aizenn 3 Phase Leakage Monitoring System evaluates the operating condition of electric motors and cables by extracting resistive and capacitive leakage current components. The measured and extracted data can be viewed using Aizenn Leakage Monitoring software.
Key Features
Remote continuous monitoring of leakage currents
Non-invasive current clamps makes it easy to install
Monitor leakage currents in transformers, transmission cable and motors.
Tan delta estimation accuracy < 0.01
Real-time calculation and visualization of resistive and capacitive current components
Optional non-touch capacitive voltage sensor for accurate phase measurements
Aizenn 3 Phase Leakage Monitoring Software
Aizenn 3 Phase Leakage Monitoring Software
Collects and displays the total leakage current, voltage, resistive and capacitive leakage currents.
Connects to Aizenn 3 Phase Leakage Monitor Sensor Box via USB or ethernet
Real time calculation of tan delta
View Historical trends of capacitive and resistive leakage currents and tan delta.
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