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What is the use of stability factor?

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Description : What is the use of power factor correction?

Description : What is stability in an amplifier?

Description : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

Answer : If stability error for step input and speed of response be the criteria for design, what controller would you recommend (1) P controller (2) PD controller (3) PI controller (4) PID controller

Description : Define stability. Sketch the root locations in the s-plane for stable and unstable system.

Answer : Stability: The system is said to be stable if it produces bounded output for a bounded input. It is used to define usefulness of the system. The stability implies that the system performance should not ... absence of the input, output may not return to zero it shows certain output without input. 

Description : Stability of a transmission line can be increased by

Answer : Stability of a transmission line can be increased by Shunt capacitor, Series capacitor

Description : The steady state stability limit as compared to the transient state stability limit is always

Answer : The steady state stability limit as compared to the transient state stability limit is always Greater

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.

Answer : 1

Description : The stability of the power system is not affected by  (1) generator reactance (2) line reactance (3) line losses (4) output torque

Answer : The stability of the power system is not affected by line losses

Description : Which of the following statements is true?  (1) steady-state stability limit is greater than transient stability limit  (2) steady-state stability limit is equal to transient stability ... made regarding the equality or otherwise of the steady-state stability limit and transient stability limit

Answer : Which of the following statements is true?  (1) steady-state stability limit is greater than transient stability limit  (2) steady-state stability limit is equal to transient ... made regarding the equality or otherwise of the steady-state stability limit and transient stability limit

Description : steady-state stability of a power system is improved by

Answer : steady-state stability of a power system is improved by using double circuit line instead of single circuit line

Description : With fault clearing time, the transient stability of a power system

Answer : With fault clearing time, the transient stability of a power system decreases

Answer : The steady state stability of the power system can be increased by connecting lines in parallel.

Description : Improvement of transient stability using SVC

Answer : Improvement of transient stability using SVC The static VAR compensator (SVC) is a shunt connected FACTS device. SVC have two modes one is inductive ... ;transmittable power. Transient stability improvement can be estimated using equal area criterion.

Description : What is the basic use of capacitor?

Description : What is the main use of a transistor?

Answer : Main use of a transistor as amplifier and as switch.

Description : What is the use of transformer?

Answer : The use of transformer  is to do lower or raise  the voltage or currents in an electrical  circuit.  That's quite so simple. 

Description : What is the use of diode in the circuit?

Answer : Diode is a device which allows the flow of current in one direction and blocks the current in opposite direction.

Description : What is the use of a thyristor in a circuit?

Description : What is the use of a Mosfet?

Description : What is the use of Arduino Uno?

Description : What is the use of PWM in Arduino?

Description : What is the use of Arduino Mega?

Description : What language does the Arduino use?

Description : What is the use of synchronous motor?

Description : What do we use to generate electricity?

Answer : Use wind turbines.  In a windy seashore we set up some wind turbines.  But when the place is not windy we got no electricity.

Description : What is the use of Fast Fourier Transform?

Description : What is the use of Z transform?

Description : What is the use of DFT in DSP?

Description : What is the use of digital signal processing?

Description : What is the use of AC and DC drives?

Description : What is the use of signal flow graph?

Description : What is the use of differential amplifier?

Description : What is the use of operational amplifiers?

Description : What is the use of Arduino board?

Description : What is the use of lightning arrester?

Answer : The lighting arrester is used to discharge the high voltage surge towards the earth by the lighting strike

Description : What is the use of 555 timer?

Answer : 555 IC timer is use in timers and oscillators.

Description : What is the use of Buchholz relay in transformer?

Answer : This is a transformer that is used to step up and down current. 

Description : What is the use of an electric motor?

Answer : Electrical motors are use for converting electrical energy to mechanical energy. It may be use in fans, pumps, washing machine, cranes, trains, factories, industries etc.

Description : What is the use of Schottky diode?

Answer : Schottky diode are use in SMPS, Sample and hold circuits and voltage clamping etc.

Description : What is the use of laser diode?

Answer : laser diodes are use in telecommunication, rangefinders, barcode readers etc.

Description : What is the use of SCR?

Answer : SCR are use in lamp dimming, power regulators, motor control, rectifications of high power AC, control of welding machines and also use as switch these are some uses of silicon controlled rectifier.

Description : What is the use of fast recovery diode?

Answer : Fast recovery diode are used in high frequency rectification. Fast recovery diode also used for freewheeling. Fast recovery diode also used for DC to DC converter.

Description : State the use of synchroscope.

Answer : Use of Synchroscope: The synchroscope is used to determine the exact instant of switching required to connect the alternators in parallel or put an alternator in parallel with the infinite bus. ... idea of the faster or slower machine to make adjustments in speed of alternators for synchronising.

Description : State the advantages of use of high voltage in transmission of Electric power. 

Answer : Advantages: 1. As Transmission voltage increases, current decreases. 2. As current decreases, cross section of conductor decreases. 3. As cross section of conductor decreases, its ... high voltage transmission line, successful interconnection of transmission line is possible than low voltage. 

Description : Use phasors to find

Answer : Use phasors to find

Description : State the use of:- (i) Clip-on-ammeter (ii) Phase sequence indicator

Answer : (i) Clip-on-ammeter: used for measurement of current in cables/lines in live conditions without disconnecting them.  (ii) Phase sequence indicator: To determine /find the phase sequence of 3 phase supply. 

Description : An _____________is a network of electrical components used to supply, transfer and use electric power:  (A) Electric power system (B) Electric power (C) All of the above (D) None of the above

Answer : An Electric power system is a network of electrical components used to supply, transfer and use electric power.

Description : The use of regenerator in a gas turbine cycle  (1) increases efficiency but has no effect on output (2) increases output but has no effect on efficiency (3) increases both efficiency and output (4) increases efficiency but decreases output

Answer : The use of regenerator in a gas turbine cycle increases efficiency but has no effect on output

Description : Magnetic circuit breakers use _________ A) Permanent magnets B) Earth magnets C) Solenoid D) All the above

Answer : Magnetic circuit breakers use Solenoid 

Answer : The stator of phase shifting transformer for use in conjunction with an A.C. potentiometer usually has a two-phase winding.

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