Types of Underground Cables
This article describes the types of underground cables. Underground cables are used for power transmission from the generating station to the distribution substation. Unlike overhead … Read more
Power System
Types of Cable Trays- Purpose, advantages, Accessories
A cable tray is a unit, or set of units, with their fittings forming a rigid structure to support cables and assist in channeling them. … Read more
Difference between Isolator and Circuit Breaker
The main difference between an isolator and a circuit breaker is that an isolator is an off-load on/off device, while a circuit breaker is an … Read more
Difference Between Relay and Circuit Breaker
The main difference between the relay and circuit breaker is that the Relays detect the fault and act as a controlling device, on the other … Read more
Difference between Fuse and Circuit Breaker
This article describes the difference between a fuse and a circuit breaker. An electric circuit is defined as a closed path consisting of various electrical … Read more
Air Break Switch- Types and Applications
In this article, we will discuss a type of switchgear called an air break switch, its types, and applications in the electrical industry. Let us … Read more
PPE- Personal Protective Equipment
What is PPE? Before we know what PPE is, let us know about the hazards first. A hazard can be a source or a situation … Read more
Effect of Harmonics on Power Factor
This article describes the effect of harmonics on the power factor. The nonlinear loads cause harmonics in the electrical power system and adversely affect the … Read more
df/dt Relay – Rate of Change of Frequency(ROCOF) Relay
df/dt Relay – Rate of Change of Frequency(ROCOF) Relay is used for load shedding when there is a sudden loss of generating capacity. In this … Read more
Total Harmonic Distortion(THD) & Its Measurement
Total harmonic distortion (THD) shows how much of a voltage or current distortion is due to harmonics in the signal. If the sinusoidal voltage is … Read more