Miniature Circuit Breaker Applications
Miniature circuit breakers despite being common in domestic use are not created equal. There are several types of MCBs with different tripping characteristics, each of which are designed for particular …
Emergency Lighting Design, Requirement and Compliance
Why is Emergency Lighting Required Emergency lighting is one of the most important safety systems in a building or plant area. Emergency lighting makes it possible for people to safely …
Design Uniformity Simplifies Replication
Design Stage In multi-site projects, almost always, the first site requires the most engineering hours. Getting the right design and configuration on the first site will simplify replication process which …
PEC Requirement for Ground-Fault Protection
The Philippine Electrical Code 2017 edition have mentioned Ground-Fault Protection or sometimes Ground-Fault Circuit Interrupter Protection in the following articles: Article 2.10 Branch Circuits 2.10.1.13 Ground-Fault Fault Protection of Equipment. …
Rotating-machine Reactance Multipliers
The momentary or first cycle current is used to evaluate the closing or latching of the high voltage circuit breaker. Other selection criteria are the interrupting and symmetrical short circuit …
Insulation Class and Temperature Rise
The selection of induction motors designed to match the load requirements of any particular application need to ensure that the temperature inside the motor windings does not rise to a …