Time Delay Relay- Principle, Advantages, Applications
A time delay relay is a type of control relay that has a built-in feature of time delay operation. The normal relay changes its contacts … Read more
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What is Integral Flow Orifice Assembly?
Integral Flow Orifice Assembly facilitates the mounting of differential transmitter on the orifice plate assembly. As a result, this makes the system very simple and eliminates … Read more
Factors Affecting the Resistivity of Electrical Materials
The factors like temperature, alloying, cold work, age hardening & mechanical stress affect the resistivity of electrical materials. In this post, we will discuss the … Read more
Why is grit Laid in the electrical switchyard?
Grit in the electrical switchyard is laid to make the upper surface of the soil more resistive. The more resistivity of the soil decreases the … Read more
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 … Read more
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 … Read more
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 … Read more
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 … Read more
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. … Read more
What is the disadvantage of large exciting current in a transformer?
What is Exciting current? The exciting current in the transformer produces the magnetic flux in the core. When energizing transformer at no load, transformer draws … Read more