Technical Editor, Author at Polytechnic Hub

What is inverter?

Inverter Inverter change direct current [DC] to alternating current[ AC] at the desired output voltage and frequency . some industrial applications of inverters are for induction heating, standby aircraft power…

Technical Editor May 4, 2018

Electrical Articles

What is MCB (miniature circuit breaker)

MCB is a mechanical device operate automatic operation designed to connect and disconnect the electrical circuit in the ordinary and extraordinary situation suitable both for A.C and D.C voltage. The…

Technical Editor May 4, 2018

Electrical Articles

Advantages and disadvantages of solar energy plant

Solar energy plant A photovoltaic cell is the basic that converts solar radiation into electricity PY cell can be either circular in construction or square. Cells are arranged in a…

Technical Editor May 4, 2018

Electrical Articles

Construction of MCB

The 10 ampere DIN rail- moistened thermal magnetic miniature circuit breaker is the most common style in modern domestic consumers units and commercial Actual power level Used to manually trip…

Technical Editor May 4, 2018

Electrical Articles

Earth leakage circuit breaker (ELCB)

Earth leakage circuit breaker [ELCB] is a safety device used in the electrical installation with high earth impedance to prevent shock. It defects small stray voltage on metal enclosures of…

Technical Editor May 3, 2018

Electrical Articles

What is fuse and its types?

Fuse It is a short length of wire made of lead /tin/alloy of lead and tin-zinc having a low melting point and low ohmic losses under normal operating conditions it…

Technical Editor May 3, 2018

Electrical Articles

Types of earthing

There are two types of earthing Rod and pipe earthing Plate earthing Rod and pipe earthing These electrodes shall be made of metal rod or pipe having a clean surface…

Technical Editor May 3, 2018

Electrical Articles

Important of earthing in day to day life

Earthing Earthing provides protection to personnel and equipment by ensuring operation of the protective control-gear and isolation of the faulty circuit in the following case. Insulation puncture or failure. Accidental…

Technical Editor May 3, 2018

Electrical Articles

Advantages and disadvantages of wind power plant

Advantages of wind power plant The wind is free and with modern technology, it can be captured efficiency. Once the wind turbine is built the energy it produced its problems,…

Technical Editor May 3, 2018

Electrical Articles

What is wind power plant

Wind power plant the wind energy is one of the most effective renewable power and relevant technologies for its conversion in form. a wind energy conversion system is a structure…

Technical Editor May 3, 2018