Insulation Resistance (IR) test, often called Megger test, is more than 100 years old and assumed to be a very straightforward test. During my inspection and testing work in the past 15 years in Canada, US, and internationally, I have seen different practices of performing and interpretation of IR test.
The application of IR test includes:
A comprehensive review of IEEE guidelines and documents BY JIM TOMASESKI, IEEE, NESC Main Committee, PAR Electric Every day, utility workers are risking their lives in work environments that involve high-risk activities such as working at extreme heights, managing or repairing energized...
Lineman Safety Standards are designed to create a safer work environment for linemen and communication workers. It is an ongoing mission for those of us who serve on the National Electrical Safety Code (NESC), so it’s worthwhile to highlight changes embodied in Part 4 of the recently released...
How Smart Grid technologies can become an electrical hazard to rescue workers Smart Grid technologies have risen to prominence in North America. Media outlets, industry experts, vendors, and utilities all echo the same positive sentiments regarding a digitized power grid. However, new...
On Distribution, Transmission or Substation equipment, testing for presence or absence of nominal voltage is mandated specifically by OSHA rule 1910.269(n)(5) which states “Testing. The employer shall ensure that, unless a previously installed ground is present, employees test lines and...
Battery fires in large-scale energy storage systems (BESS) have raised concerns, but a recent review by the American Clean Power Association (ACP) found that such incidents pose only minor environmental risks. According to a third-party analysis of U.S. battery fires since 2012, these fires did not...
A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...
Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However, by adhering to established safety protocols, contractors and employers can significantly reduce the likelihood of...
The Federal Energy Regulatory Commission (FERC) has rejected a proposal from PJM Interconnection, one of the United States' largest regional transmission organizations, to alter its transmission planning protocol. The decision represents a significant victory for state regulators who had expressed...
Batteries have greatly influenced the utility industry, and the evolution of battery chemistries has revolutionized their applications. With the emergence of new technologies and advancements in existing ones, standards committees and safety code writers are working to develop best practices and...
At Valard, our people are the core and health of our business. Without our people, we have nothing. In fact, one of our slogans is “People. First.” However, being a people company means some of our biggest challenges are created by people. Our challenges are unique, as is each person...
