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Time Delay Circuit

Time Delay Circuit: Several choices are available in the selection of suitable circuits for obtaining Time Delay Circuit depending on the magnitude of the time delay required. Delays of the…

Types of Protective Relays: Basically, Types of Protective Relays are analogue-binary signal converters with measuring functions. The variables such as current, voltage, phase angle or frequency and derived values obtained…

555 Timer Circuit

555 Timer Circuit: The timer IC 555 Timer Circuit is most versatile linear integrated device introduced by Signetics corporation in early 1970. It is basically a monolithic timer circuit which…

Principles of Power System Articles

Principles of Power System Articles: This Principles of Power System Articles which includes the following topics: Electrical Energy Definition Different Types of Energy Sources Unit of Energy Energy Efficiency Definition…

Protection and Switchgear Interview Questions and Answers

Protection and Switchgear Interview Questions and Answers: Following are the below Protection and Switchgear Interview Questions and Answers, Protection and Switchgear Important Questions and Answers 1. Mention the essential features…

Electronic Control in Resistance Welding Process

Electronic Control in Resistance Welding Process: As there are several factors, i.e., current, pressure, heat, time, to be considered, manual control does not yield good results in case of resistance…

Testing and Maintenance of Protective Gear Articles

Testing and Maintenance of Protective Gear Articles: Classification of Relay Testing: Classification of Relay Testing are usually conducted to demonstrate that: the relay will operate correctly to clear a fault;…

General Methods of Testing Protective Gear

General Methods of Testing Protective Gear: The General Methods of Testing Protective Gear are namely, Primary Injection, Secondary Injection, Measurement of Time, Primary Injection: These tests are limited by the…