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Recovery Voltage

Recovery Voltage: Recovery Voltage - While closing or opening the circuit breaker, the circuit constants play an important role. It was noticed in practice a circuit breaker that would operate…

Generator Faults: Generator faults can be considered under the following heads. (a) Stator Faults: These include the following: Phase-to-earth faults. Phase-to-phase faults. Inter-turn faults. Most faults occur in the stator…

Symmetrical Fault Analysis Articles

Symmetrical Fault Analysis Articles: Introduction to Symmetrical Fault in Power System: Introduction to Symmetrical Fault in Power System devoted to abnormal system behavior under conditions of symmetrical short circuit (symmetrical…

Synchronous Machine Articles

Synchronous Machine Articles: What is Synchronous Motor | Construction | Advantages: A synchronous Motor is one of the important types of electric machines; in fact all generating machines at power…

DC Machines Articles

DC Machines Articles: Introduction of DC Motor: Introduction of DC Motor is constructed in many forms and for a variety of purposes, from the 3-mm stepper drawing a few μA…

Microprocessor Control of Synchronous Motor Drives

Microprocessor Control of Synchronous Motor Drives: Variable speed drives employing Microprocessor Control of Synchronous Motor Drives are becoming very popular in industrial applications. They are an immediate solution for high…

Field Oriented Control of Three Phase Induction Motor

Field Oriented Control of Three Phase Induction Motor: The stator current of an induction motor has the functions of producing the required air gap flux (magnetisation) as well as developing…

Types of Steel Rolling Mills

Types of Steel Rolling Mills: Types of Steel Rolling Mills are either hot rolled or cold rolled. These may be either reversing type or continuous type. The motors used for…