Influence of Static Protective Relays

Influence of Static Protective Relays: Influence of Static Protective Relays on the associated equipment like current transformers, voltage transformers, etc,. Let us discuss one by one. Current Transformers: Burdens on…

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Static Relay

Static Relay: The term 'static relay' is generally referred to a relay incorporating solid state components like transistors, diodes, resistors, capacitors, etc. In this type of relay, the functions of…

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Basic Ideas of Protection Relay

Basic Ideas of Protection Relay: Basic Ideas of Protection Relay should ensure the availability of electrical energy without interruption to every load connected to the system. When the electric power…

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Electrical Drives Articles

Electrical Drives Articles: Advantage and Disadvantage of Stepper Motors Application of Variable Speed Drives Armature Voltage Control using Transformer Battery Powered Vehicles Braking of Induction Motor Drive Braking of Single…

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Electric Drives Articles

Electric Drives Articles: This Electric Drives Articles which includes the following topics: A Simple Electric Motor Characteristics of DC Motor Speed Torque Characteristic of Separately Excited DC Motor Speed Torque…

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Surface Tension

Surface Tension: Surface Tension - Due to molecular attraction, liquids have properties of cohesion and adhesion. Cohesion is due to the force of attraction between molecules of same liquid. Otherwise,…

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Characteristics of Three Phase Induction Motor

Characteristics of Three Phase Induction Motor: The performance Characteristics of Three Phase Induction Motor can be de­rived using the approximate equivalent circuit shown in Fig. 1.20(a). In the circuit The…

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DC Motor Speed Control

DC Motor Speed Control: In the foregoing sections we discussed the torque-speed characteristics of dc motors, bringing out the effects of armature voltage variation and field current on them. The…

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