Shaft Grounding Devices | Shaft Earthing Devices
Shaft grounding devices minimize the shaft voltage and prevent bearings damage caused by the circulating current. There are numerous reasons for developing shaft voltage in
Ohm’s Law-Satatement, Formula, Solved Examples
What is Ohm’s Law? Ohm’s law states the relationship between the potential difference and current in the circuit. The current in the circuit depends on
What is Millman’s Theorem? Millman’s Theorem Formula
The network or circuit theorems are a tool to solve complex electrical problems. We use Millman’s Theorem to solve complex electrical circuits having many voltage
What Happens if DC supply fails in an electrical substation?
This article describes the importance of DC supply in substations. Circuit breakers are the main power-controlling elements that are switched on and off during normal
What is the Difference between Soft Starter and VFD?
The main difference between VFD and Soft Starter is that a VFD can increase or decrease the speed of the motor, while a soft starter only controls the smooth start and stop
AC Hum & Contact bounce in Magnetic Contactor?
AC hum & contact bounce in a magnetic contactor cause premature failure of the contactor. In this post we will discuss in detail what is
Which Bulb Glows Brighter When Connected in Series & Why?
We can connect the bulbs in the series or parallel according to the desired application. The lumen of the bulb depends on the current flowing
Job Opportunities for Electrical Engineers in Government and Private Sectors in India
In this post, we will discuss the job opportunities for electrical engineers in government & private sector in India. Engineers are the backbone of development
Why is the core of a power transformer grounded?
Transformer is a static piece of equipment and it has primary and secondary winding. The low voltage winding has few turns of wire wound around
Why PS Class Current Transformer is used for Differential Protection?
What is Differential Protection? Differential protection is used for detecting the fault in a particular zone. Therefore, we call it also unit or zone protection.