Vacuum Circuit Breaker
A vacuum circuit breaker(VCB) is a kind of breaker that utilizes a vacuum as an arc extinction medium. The fixed and moving contact is enclosed
Turn Ratio & Voltage Transformation Ratio of Transformer
This article describes two important transformer ratios: turn ratio and voltage transformation ratio. Transformers are fundamental components in electrical engineering, playing a crucial role in
Digital Instruments: Definition, Characteristics, Construction, Advantages, and Disadvantages
Definition of Digital Instruments Digital instruments are measurement devices that display values in a numerical form, usually on a digital readout or screen. They convert
Understanding Analog Instruments: Definition, Classification, and Working Principle
Analog Instruments in measurement and control systems are pivotal in capturing, analyzing, and representing various physical quantities. They are characterized by their continuous signal representation
What is a Step Up Transformer?
Definition: A step-up transformer transforms the low voltage on the primary side to the high voltage on its secondary side. The current on the secondary
Minimum Oil Circuit Breaker(MOCB)
Definition: A circuit breaker that uses a small amount of oil as an arc quenching medium is called a minimum oil circuit breaker. It is
What is a Circuit Breaker? Definition, Working, Types & Applications
A circuit breaker is a type of switch designed to interrupt the flow of abnormal, or fault current. When a high current flows through a
Hot Wire Ammeter- Construction, Working
A hot wire ammeter is an instrument that measures the electric current through a wire by heating and expanding it. These instruments have a slow
Electrical Earthing
Definition: Electrical earthing is the process of directly discharging electrical energy to the earth using low-resistance wire. This is done by connecting the equipment’s non-current-carrying part
Automatic Voltage Regulators (AVR) For Generator
Maintaining a constant voltage at different levels in a power system is crucial. Several techniques are available for voltage control at different levels. An Automatic