Explain the working principle of a phasor measurement unit (PMU).
How does a phasor measurement unit (PMU) work?
What is the unit of measurement for electricity?
What is a phasor?
What is the purpose of a phasor data concentrator (PDC) in synchrophasor systems?
What is a phasor diagram?
What is the formula for a phasor?
Draw the phasor diagram for leading load of a transformer.
Draw the phasor diagram for lagging load of a transformer.
Draw the phasor diagram for resistive load of a transformer.
Draw the phasor diagram of a practical transformer without load.
What is the equation for the phasor diagram?
Draw the circuit diagram and phasor diagram of nominal T method of medium transmission line.
What is taken as reference for drawing the phasor diagram in parallel connection?
What is taken as reference for drawing the phasor diagram in series connection?
Define Phasor and Phase angle. Answer : ### Phasor: A **phasor** is a complex number that represents the magnitude and phase of a sinusoidal waveform (usually a voltage or current). Instead of dealing with the waveform in time ... (advanced). So, the phase angle helps describe the timing difference between different sinusoidal signals....
Derive the torque equation of 3 φ I.M. under running condition.k) Explain production of R.M.F. in 3-phase I.M. when 3 φ supply is fed to it. Draw its phasor diagram.
What is a performance measurement system?
What is a power measurement device?
What is a current measurement device?
What is a voltage measurement device?
What is a ripple measurement?
How does a charge-sensitive detector work in radiation measurement?
What is the purpose of a frequency counter in signal measurement?
What is the purpose of a loss of excitation protection scheme using impedance measurement?
Explain the advantage of using a Hall effect sensor for current measurement.
What is the purpose of a strain gauge in force measurement?
What is the purpose of a Rogowski coil in current measurement?
Describe the method for the measurement of high voltage in an a.c circuit using a potential transformer.
Explain with neat labeled diagram measurement of flow using a venturimeter.
What is the role of a shunt resistor in current measurement?
What is the purpose of a current transformer in power measurement?
What is the purpose of a current shunt in measurement circuits?
What is the measurement of Hall voltage?
What is an input current measurement?
What is the range of measurement of galvanometer?
Explain the concept of sensor fusion in inertial measurement units (IMUs).
Explain the concept of shielding effectiveness measurement.
What battery measurement is performed when measuring the electrolytes specific gravity?
What is the four point impedance measurement?
What is the measurement of transfer impedance? Answer : Transfer impedance is a measure of how much one electrical circuit or component influences the behavior of another circuit or component when connected. It is typically used to characterize the ... one part of a circuit affects another, specifically in terms of voltage and current transfer....
What are the different types of impedance measurement?
Why superposition theorem is not applicable for power measurement?
Explain with neat sketch: (i) Earth resistance measurement using earth tester (ii) High resistance measurement using megger.
Describe how the following measurements can be made with the use of CRO: (i) Voltage measurement (ii) Time period measurement
State the merits and demerits of power measurement using 2-wattmeter method.
State errors occurring in measurement of electrical power.
State the necessity of measurement necessity? Answer : Measurement is a fundamental part of science, engineering, and everyday life. Here's why measurement is necessary: 1. **Accuracy and Precision**: Measurements help us quantify things ... provide the foundation for almost everything we do in both everyday life and professional practice....
Describe with neat circuit diagram the measurement procedure of earth resistance for an installation.
List any two direct methods of level measurement. Explain Hydrostatic method of level measurement. Give one advantage and one disadvantage of it.
29.4k questions
1.3k answers
7.4k users