Field Oriented Control of Induction Motor: In the slip controlled drives using VSI or CSI discussed in the foregoing secÂtions, the stator voltage or stator current is controlled using slip…
PWM Inverter Fed Induction Motor Drive: Voltage control in the square wave inverter has been external to the inverter, by means of a phase controlled rectifier on the line side.…
Power System Protection and Switchgear Articles: This Power System Protection and Switchgear Articles which includes the following topics: Basic Ideas of Protection Relay Fault Meaning Zone Protection Essential Qualities of…
Electric Converter: Electric Converter - The speed of a dc motor can be varied by varying the armature voltage or the field current, for which a variable dc supply is…
Dynamic Conditions of a SystemDrive: Dynamic or transient conditions occur in SystemDrive systems when the operating point changes from one steady state condition to another, following a change introduced in…
Dynamic Electric: Dynamic Electric - An industrial drive system basically consists of a mechanical working equipment or load, which has to be kept in motion to turn out mechanical work,…
Different Types of Relays Elements: The Important Different Types of Relays Elements or also called Electromagnetic Types are Induction Disc Relay Induction-cup Relays Moving Coil Relays Hinged Armature Relays Polarized…
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…