Recent questions tagged criterion

Description : State the selection criterion of the lamp for various purposes.

Last Answer : Selection criterion of the lamp for various purposes:  While selecting a lamp for a particular purpose, the available lamps are compared on the basis of following criteria: * Light output ... such as ballasts * Compatibility with the electrical system * Suitability for the operating environment

Description : What is Barkhausens Criterion?

Last Answer : Barkhausen‘s Criterion for Oscillations The necessary condition for sustained oscillations is 1. Product of voltage gain and feedback factor should be equal to and greater than Loop gain (β.Av) ≥ 1 2. Phase shift between the input and output signal or around the loop must be equal to 360⁰or 0⁰.

Description : The 'Equal area criterion' for the determination of transient stability of a synchronous machine connected to an infinite bus  (1) ignores line as well as synchronous machine resistance ... consideration the possibility of machine losing synchronism after it has survived during the first swing.

Last Answer : 1

Description : Equal area criterion gives the information regarding  (1) stability region (2) absolute stability (3) relative stability (4) swing curves

Last Answer : Equal area criterion gives the information regarding absolute stability

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