The 2017 edition of the Philippine Electrical Code (PEC), Part 1, closely aligns with the National Electrical Code (NEC) and provides specific provisions related to equipment grounding and bonding. These …
Definition Point-on-Wave (PoW) switching is a technique used in power systems to control the precise timing of circuit breaker operations in relation to the waveform of the alternating current (AC) …
Introduction The demand for power is steadily increasing every year, leading to a growing gap between power supply and demand. This gap can be addressed by either adding new generation …
High Voltage Circuit Breaker Interrupting Rating The interrupting ratings of a high-voltage circuit breaker are primarily defined by two parameters: the rated short-circuit current, I, and the rated maximum voltage, …