Leakage current monitoring testing 💡(LCM) |3rd Harmonic Leakage Current Measurement Surge Arresters

Описание: 💡How to check MICOM (DISTANCE PROTECTION)-|setting/event/disturbance/measurement|💫#electric #electricalwork #testing#electricaldesign#LCM #Lightining #surgeprotector #surgearestor
electricaltestingbysarojgarhwal,
#LCM,#electrical ,#electricalengineering #electricaltesting
Lightning arrestors are an important component of electrical systems that protect against lightning strikes and power surges. One key feature of a lightning arrestor is its ability to monitor its leakage current, which is the current that flows through the arrestor when it is not conducting a surge. If the leakage current increases significantly, it can indicate a fault in the arrestor that needs to be addressed.

In this video, we will demonstrate how to test the leakage current monitoring feature of a lightning arrestor using a Python script. We will start by discussing the basic principles of the test and the equipment needed to perform it. Then we will walk through a Python script that can be used to test the leakage current monitoring feature of a lightning arrestor.

The Python script uses either an ADC or a serial communication port to read the voltage across a shunt resistor connected to the lightning arrestor. The voltage is converted to a current value using the known resistance of the shunt resistor. The script defines a class that represents the lightning arrestor and has methods to turn on and off the monitoring and to read the leakage current from the ADC or serial port. The script also defines a function that tests the leakage current monitoring feature by turning on the monitoring, waiting for it to stabilize, reading the initial current, waiting for a short time, reading the current again, and checking whether it has increased significantly. If the current has increased by more than 10%, the function prints a warning message. Otherwise, it prints a messageindicating that the current is stable.

It's important to note that this script is for testing purposes only and should be used by trained professionals who have a thorough understanding of the electrical systems and equipment involved. Safety precautions should be taken at all times, and the script should be modified as needed to match the specific equipment and setup being used.

Overall, this video provides a helpful demonstration of how to test the leakage current monitoring feature of a lightning arrestor using a Python script. By following the steps outlined in the video, viewers can gain a better understanding of how lightning arrestors work and how to ensure that they are functioning properly.