Recommended References on Arc Flash
What is Arc Flash? Arc flash is a type of electrical explosion or discharge that occurs when a fault condition bridges the air gap between energized conductors or between an …
What is difference of Arc Fault from Arc Flash?
Definition of Terms It is a sad reality that even Electrical Engineers are not aware of the diffrences of arc faults and arc flashes. Arc faults and arc flashes are …
Switchboard Rating for Internal Arcing Fault Clearing Time and Peak Current Withstand
What is Internal Arcing Fault Clearing Time Switchboard rating for internal arcing fault clearing time is defined as the amount of time a switchboard or panelboard can withstand an internal …
Recommended References for Power System Design
These refences from well-known Electrical manufacturing companies and have published numerous technical references which are invaluable references when performing power system design. 1. ABB Electrical Swithgear Manual This manual provides …
Use of Single-Pole Circuit Breaker as Overcurrent Device – Philippine Electrical Code 2009
Article 2.10.1.5 (B) – Multipole Common Trip Circuit Breaker Required Philippine Electrical Code 2009 Article 2.10.1.5 Identification for Branch Circuits Section (B) Disconnecting Means states that: Each multiwire branch circuit …
Effects of Variable Speed Drive Rectifier Confguration on System Harmonics
What is a Variable Speed Drive? Variable Speed Drives (VSDs), also known as Variable Frequency Drives (VFDs), are power electronic devices used to control the speed and torque of asynchronous …