Welcome to PAC Basics!
In this site, fundamentals and application of power system protection, automation & control will be discussed together with insights and experiences from PAC engineers. Recent news and trends in the PAC industry will also be taken up and updated regularly so keep posted. If you want to share any experiences, ideas or whatever questions you may have, feel free to write them in the comments section.
In our previous article on transformer vector groups, we mentioned the importance of the delta…
TCC and CTI are the two most common acronyms in overcurrent protection coordination. Understanding Time-Current…
Tertiary winding in transformers have been widely used in the transmission and distribution of electricity…
Photo Credit: NOJA Power Reclosers, otherwise known as autoreclosers (derived from "automatic reclosing" capability) or…
Impedance-based fault location is widely used throughout the power transmission and distribution industry. In fact,…
In our introductory article on distance relaying, we presented a simple apparent impedance calculation for…
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Hi ,
I am a jenior protection engineer i need the site testing proseture of ABB distance relay plz.
your best regards
thnks
Hi Khan,
Thank you for showing your interest in our topics. Can you please elaborate your question? Are you referring to a primary voltage and current injection tests? Or through secondary tests?