Power Systems

Power Generation,  Transmission and Distribution. The components and electrical machines used in the whole process of Power Generation, Transmission and Distribution.

AC to AC Power Converters with Intermediate DC Link: Types, Features & Applications

This category of AC drives that is often referred to as “Variable Frequency Inverters” is one of the most extensively…

1 month ago

Vacuum Circuit Breakers: Features, Operation & Applications

In vacuum circuit breakers, vacuum typically at pressures ranging from 10-9 to 10-6 bar is used as the quenching medium.…

2 months ago

DC to DC Power Converters: Function, Types, Operation & Applications

DC to DC power converters also referred to as choppers provide the means to change one DC voltage to another.…

2 months ago

Equipment Grounding vs. System Grounding

Grounding or earthing an electrical system is the process of connecting all metalwork/frame of electrical equipment i.e. the non-current carrying…

2 months ago

Switchgear Terminology & IEC Standards

Switchgear generally refers to the switching devices and their combinations, with the related control, measuring, protective and regulating equipment. The…

2 months ago

Air-Blast Circuit Breakers: Features, Operation & Applications

Air-blast circuit breakers utilize a blast of compressed air typically at a pressure of 25–75 bar, which is directed across…

3 months ago

Testing & Commissioning Protective Schemes

Generally protective equipment testing may be divided into three stages: Factory tests. Commissioning tests. Periodic maintenance tests. Factory and commissioning…

3 months ago

The Principles of Power System Protection

The Function and Principles of Power System Protection The objective of power system protection is to detect faults or abnormal…

4 months ago

Common Busbar Protection Schemes

Function of Busbars in a Power system & why they must be protected Busbars form a critical component for a…

4 months ago

Overvoltage Protection Techniques & Equipment

Overvoltage Protection – Objective, Methods & Equipment The purpose of the protective equipment in a power system is to isolate…

4 months ago