Radiation Pyrometer Working Principle

As discussed earlier, an Optical Pyrometer can be not only be used for temperature measurement, but also can be used to see the heat that is measured. The observer is…

Top Electrical Engineering Questions & Answers

Electrical Switchgear & Protection Interview Questions Interview Questions on Transformers Single Phase Induction Motors Questions and Answers Three Phase Induction Motor Interview Questions & Answers Electrical Machines Short Answers Basic…

Electrical Switchgear & Protection Interview Questions

What are the main functions of control gear? To provide a means of starting and stopping the motor and, at the same time, of limiting the starting current if required.…

Types of Transformers

Types of transformers The transformers are classified based on voltage levels, Core medium used, winding arrangements, use and installation place etc. Transformers based on voltage levels The transformers are classified…

Losses of Transformer

Losses are the wastage of energy in the device which will affect the overall efficiency of the device. So the losses of the device should be known to design the…

Faults in a Transformer

Transformers are the major power system components which are used at various voltage levels with the capacity varying from 1kVA to >600 MVA.  Transformers are widely used devices to transfer…

Types of Transfomer Cooling Methods

The developed heat because of core and copper losses should be dissipated to atmosphere continuously during operation.If the heat arises by the losses is not removed then  The developed heat…

Advantages and Applications of zigzag transformer

Zig Zag transformer ZIg Zag transformer is a special purpose transformer used in power system, which is also called as “interconnected start winding”. Even though this type of transformer connection…

What is a transformer tap changer?

The transformer voltage at the load side desired to be constant or as close to the design value. But the load voltage may vary according to current drawn by the…

What is Integral Wind Up ?

The PID controller plays a major role in controlling the process parameters in process industries. It consists of Proportional term, Integral term and Derivative term which combinedly reduces the transient…