Accumulation of moisture inside the 13.8 kV main bus and insulation tracking caused another arc-flash incident on the 13.8 kV Indoor Switchgear. An annual preventive maintenance was scheduled prior to …
An indoor 13.8kV Vacuum Circuit Breaker switchgear has an arc flash incident this week. Investigation results showed that the wet weather increased the humidity inside the switchroom, incomplete covering of …
To ground or not to ground is a decision that an Electrical Engineer needs to make when planning or modifying an electrical power distribution system. The decision is dependent on …
The 2015 edition of NFPA 70E has a simplified approach to provide minimum PPE for electrical workers within facilities with large and diverse electrical systems. The simplified clothing categogies listed …
The Meralco power price hike is another additional burden to the agony of the poor Filipino people. What is unacceptable is why do the power consumer need to pay for …
ATE has provided a very good reasons on this article why high voltage withstand tests on cables are necessary. Past practices involved HVDC Hi-pot or DC leakage current methods. They …