2025
Apr
6

Circuit Breaker Operating Mechanism MCB Usage & Principle

circuit breaker operating mechanism

What is MCB? MCB or Miniature Circuit Breakers is a mechanical switching device which is capable of making, carrying and breaking currents under normal circuit conditions and also making, carrying for a specified time and automatically breaking currents under specified abnormal circuit

2025
Feb
28

ELCB Earth Leakage Circuit Breaker

What is an ELCB? An Earth Leakage Circuit Breaker (ELCB) is a safety device used in electrical installations with high earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if

2024
Oct
16

HVDC & AC TRANSMISSION & DISTRIBUTION SYSTEM FOR ELECTRICAL ENERGY

Generally there are two power transmission and distribution systems that are used to transmit electrical energy i.e. HVDC or High Voltage Direct Current transmission system and HVAC or High Voltage Alternating Current transmission system. Now let’s see the advantages and disadvantages of

2024
Jun
1

Why Skin Effect Occurs in Transmission Lines?

Why Skin Effect Occurs in Transmission Lines?

The distribution of current throughout cross section of  a conductor is uniform only when DC is passing through it. When Alternating Current(AC) is passing through a conductor, the current is non uniformly distributed over the cross section in a manner that the

2024
May
31

Electrical Testing Requirements for an Electrical Project

Being an electrical engineer on a construction project is a very tedious and responsible job. Electrical site engineer is wholly responsible for the ordering of materials as per the pre approved material submittals and an electrical project specifications. Here in this article

2024
Apr
15

Power Distribution Substation Roles, Types & Components

As an electrical engineer or professional you already know that an electrical or distribution substation is very important components of any power distribution system. Normally electrical grid can be considered as simple circuit which includes power source or generation, power transmission and

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