What is a trip free circuit breaker?
Definition A trip-free circuit breaker is a type of circuit breaker that cannot be forcibly held closed (or in the “on” position) during an overcurrent or fault condition. In simpler …
A Safety Measure Taken for Granted
There is a saying that “experience is the worst teacher, test comes first before the lesson”. This is true in every aspect. In electrical engineering design, earthing or grounding is …
Flame Retardant and Flame Resistant Cables – Differences, Applications and Standards
Application Flame retardant cables and fire resistant cables are both designed to withstand specific fire-related hazards, but they serve different primary purposes. Flame retardant cables are designed to prevent the …
Non-hazardous Area – IEC 60079
What is IEC 60079 IEC 60079 is a series of international standards addressing the equipment and systems intended for use in explosive atmospheres. These standards is published by the International …
AC Power Line Interference onPipeline and its Mitigation
Metallic pipelines, particularly gas, oil or water pipelines, running in parallel or crossing a high voltage power lines will have the effect of low frequency induction (LFI) or in simple …
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 …