With an increase in demand for electrical energy day by day, electrical installations, structures and systems are also increasing. It is very important to maintain these systems and equipment safely and efficiently. These requirements of the electrical system are fulfilled by the insulating material. The property of insulating material to oppose the flow of current …
Continue reading "Insulation health diagnosis using IR Tester"
Studies show that over 85% of disruptive failures in high voltage (HV) and medium voltage (MV) equipment are Partial Discharge related. Partial Discharge (PD) activity provides evidence of deterioration in assets, which can propagate and increase, until the insulation is no longer able to withstand the electrical stress therefore leading to flash-over and finally equipment failure. Therefore, early detection …
Continue reading "Partial Discharge Testing: Need, Testing Methodologies and Addressing Defects"
Even after 70 years of India’s independence, the pristine regions of Ladakh and Kargil remained 95% power deficit. This was set to change in 2019 when state-run Power Grid Corporation of India Ltd. (PGCIL) activated its 220/66kV Gas Insulated Substations (GIS) in Leh, Khalsti, Drass and Kargil. Commissioned as a part of the Hon. Prime …
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