Transformer Winding Resistance Measurement, OLTC Condition Analysis and Ideal Kit Specifications

Power transformers are one of the most expensive and critical assets of the power sector. In this blog, we will discuss [1] principles of winding resistance measurement, a common transformer test prescribed in various standards such as IEEE C57.12.90-2006 Clause 5, IEC 60076-1 Clause 10.2, IS 2026-1 Clause 10.2; [2] OLTC condition analysis; and [3] …

Success Story: Testing & Commissioning Of India’s Highest-Altitude GIS Substations

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 …