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Insulation

We have always heard of this word "Insulation" since we started our work in this field. This "Insulation" plays a very important role in our electrical world. It is therefore, I felt it worthy to understand the term "Insulation" in this post. Definition of

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SPM readings

The SPM readings are used to ascertain bearing and lubrication condition. Here, the term SPM reading stands for ‘Shock Pulse Meter Reading’. These SPM readings are measured with the help of Shock pulse meters which works on a 32 kw resonant frequency. To know about shock pulse meter ...

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Types of Batteries

If we categorize types of batteries as based on the nature of reversal of chemical reaction in it, it can be categorized into two basic categories: Primary cell, and Secondary cell. Primary Cell In a primary cell, the chemical reaction eats ...

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Battery

A Battery is an electrochemical system that converts chemical energy into electrical energy. Battery-Cells are the most basic individual component of a battery. In another words, it can also be ...

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Hybrid Switchgear

Hybrid switchgear is basically a compact switchgear in which the utilities of the AIS is interfaced with GIS. Here AIS stands for Air Insulated Switchgear and GIS stands for Gas Insulated Switchgear. Hybrid switchgear is a condensed switchgear which is mainly used in the renovation and extension ...

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Advantage of Hybrid Switchgear

[caption id="attachment_2582" align="aligncenter" width="450"] Hybrid Switchgear[/caption] Advantages of Hybrid Switchgear : Space Saving : As the number of functions are integrated, the distance between components reduces practically to  zero. For the AIS, as ...

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Star Delta Starter

Star Delta starter comes under the category of starters using reduced voltage method for starting the motor. Just like all other starters, the basic aim to use this starter is to decrease initial high starting current generated by the motor at the starting procedure. ...

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Auto Transformer Starter

An Auto transformer starter basically uses an auto-transformer to reduce the voltage applied to a motor during its start. As we know that the starting of big motors which are used for prolonged periods exert large current in the circuit. Due to ...

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Direct online starter

The most simple and basic type of starter for motors (induction motor) is the Direct Online starter. The Direct on line starter contains an ON/OFF switch and an OLR. Here, OLR stands for overload relay for protection against excessive load current.

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Series Motor Starter

A face plate/drum type controller is used for starting the series motor. This controller can also be used to control the speed of a series motor as well as to reverse the direction of its rotation. It is commonly known as Series motor starter.

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