Errors , Characteristics & Methods to reduce errors in Current Transformers
Errors in Current Transformers: It is known that the value of transformation ratio (actual ratio) …
Current Transformer – Working, Types & Construction
Construction of Current Transformer: The current transformer is used with its primary winding connected in series with …
Instruments Transformers Uses and Advantages
Instruments Transformers Uses & Advantages: Transformers are used in ac systems for measuring current, voltage, power …
Non Indirectional Induction Overcurrent Relay – Construction
Non-directional Induction Overcurrent Relay: This relay is also called earth leakage induction type relay. The …
Types of Induction Relays & Torque Equation Derivation
Induction Relays: The induction type relays are also called magnitude relays. These relays work …
Construction of Thermistors & Characteristics
Construction of Thermistor Working: Thermistor is a contraction of a term “thermal resistors”.Thermistors are generally composed of …
Electrodynamometer Type Wattmeter Working Principle
Electrodynamometer Type Wattmeter: We will discuss Electrodynamometer Type Wattmeter working principle and its …
Electromagnetic Attraction Relays – Working & Construction
Electromagnetic Attraction Relay: In Electromagnetic Attraction Relays, there is a coil which energises an electromagnet.When the operating current becomes large, …
Synthetic Testing of Circuit Breakers
Synthetic Testing of Circuit Breakers: Synthetic testing of circuit breakers is a process that allows for the simulation of various …
HVDC Circuit Breaker Working Principle & Construction
HVDC Circuit Breaker: In a.c circuit breakers, arc extinction is achieved at the natural …