What is phase lock mode?

What is phase lock mode? 
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1 Answer

Answer :

The inverter continuously follows the frequency and phase angle of classIII bus supply. 
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Last Answer : The VCO output should be 90 degrees out of phase with respect to the input signal.

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Description : How will a molded-case circuit breaker react after it has tripped, as a result of an overloaded circuit? A. The breaker will trip again if immediately reset. B. The breaker handle will lock in ... down. D. The breaker handle cannot be moved to the OFF position until the thermal element cools down.

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Last Answer : D) Two masses vibrate at same frequency and in same phase

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Last Answer : (D) d(VCA )/dt = FCAF - kCA 2V

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Description : The first order gas phase reaction as shown in the bellow figure is conducted isothermally in batch mode. The rate of change of conversion with time is given by (A) dXA /dt = k1 (1 - XA ) 2 (1 + 2XA ) (B) dXA /dt = k1 (1 - XA ... 5XA ) (C) dXA /dt = k1 (1 - XA ) (D) dXA /dt = k1 (1 - XA )/(1 + XA )

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Description : Explain the three phase 120 degree mode VSI.

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A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

Description : A multimeter may be damaged by taking a _____________. A. voltage reading while in the ammeter mode B. current reading while in the voltmeter mode C. resistance reading while in the ammeter mode D. resistance reading while in the voltmeter mode

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Description : In the pitch control diagram shown in the illustration, what are the present plant operating conditions? EL-0095 A. One engine is on the line, cruise mode is selected and the engine room is in control. ... . D. Both engines are on line, maneuvering mode is selected and the engine room is in control.

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What does the Voltmeter in AC mode show? Is it RMS value or peak value?

Description : What does the Voltmeter in AC mode show? Is it RMS value or peak value?

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Write the most important mode of operation of power system and mention the major problems encountered with it.

Description : Write the most important mode of operation of power system and mention the major problems encountered with it.

Last Answer : Symmetrical steady state is the most important mode of operation of power system. Three major problems are encountered in this mode of operation. They are, 1) Load flow problem 2) Optimal load scheduling problem 3) Systems control problem