Electricity powers our homes, offices, factories, and machines. But over current or overload can damage wires,cables, equipment, or even cause fires. That’s where circuit breakers come in picture. Among them, the MCCB or Molded Case Circuit Breaker is a wildly…
The type of motor that operates on both DC and single phase AC supply is called Universal Motor. The universal motor is also called an ac series motor. The universal motor works at approximately the same speed and output on…
In this article, we will explore the basics difference between AA and AAA battery, including their size, capacity,common uses and voltage. AA and AAA batteries are two common types of household batteries. The main differences between them are their size…
Magnetic Oil Gauge is also referred to as MOG. it is a device that is fitted on the conservator tank to monitor the transformer oil level. The MOG is a small circular dial shape window placed on the side of…
Master Trip Relay is an important auxiliary relay in power system protection. In this article we will discuss, the working, function, and significance of the Master Trip Relay, also known as the 86 relay. We will explore the different types…
In power system protection, circuit breaker tripping is crucial if any fault occurs in the system. If the trip circuit is unhealthy and the fault occurs, the circuit breaker will not trip, the fault will pass through the circuit breaker…
Double Revolving Field Theory The double field revolving theory of single phase induction motor is proposed to explain this problem of no torque developed at starting and yet torque once rotated. Double revolving field theory is based on the fact…
Zener Diode is a special type of diode that can conduct in forward as well as in reverse bias mode. This special diode is named after American physicist Dr. Clarence Melvin Zener. We will discuss working principles that underscore its…
Types of insulation classes used in electrical motor/ transformer There are three main categories of insulating materials, gases, liquids, and solids. The types of insulating materials are classified mainly based on thermal capability. types of insulation classes for electric motors…
When the potential difference between two conductors of a transmission line is raised beyond a certain limit, a point is reached when a violet glow appears around the conductor surface with a hissing noise and ozone gas smell this phenomenon…