- Corona loss in transmission lines can be reduced by
- How do you calculate power loss?
- Why high voltage can reduce power loss?
- In a circuit containing R, L and C, power loss can take place in?
- The power loss is an important factor for the design of?
- Iron loss of a transformer can be measured by?
- Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
- The speed of a universal motor is generally reduced by using?
- Briefly explain how the power factor of an inductive circuit can be improved.
- What is corona loss?
- State the factors affecting hysteresis loss.
- A 40 kVA transformer has a core loss of 400 W and a full load copper loss of 800 W. The
- The eddy current loss in a dc generator is 400 W at 40 Hz frequency of reversal and constant flux density.
- At full -load of a transformer, the iron loss and copper loss are 3000 W and 4000 W respectively. Then total
- Dielectric loss in a capacitor is best measured by
- A ferrite core has less eddy current loss than an iron core because?
- In a magnetic material hysteresis loss takes place primarily due to?
- In a loss-free R-L-C circuit the transient current is?
- If the current in a capacitor leads the voltage by 80°, the loss angle of the capacitor is?
- In a D.C. machine stray loss is the sum of?
- If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then?
- In an actual transformer the iron loss remains practically constant from no load to full load because?
- If the supply frequency to the transformer is increased, the iron loss will?
- What is the difference between eddy current and hysteresis loss?
- Explain hysteresis loss, eddy current loss and skin effect limitations with reference to magnetic material.
- Corona loss can be reduced by the use of hollow conductors because?
- How can we improve power factor using synchronous motor?
- The resolving power of a spectrometer consisting of collimator, a grating and a telescope can be increased by
- The power factor of a single phase load can be calculated if the instruments available are?
- Approximate estimation of power demand can be made by?
- The inductive interference between power and communication line can be minimized by?
- The steady state stability of the power system can be increased by?
- Why noise of motor is produced? How it can be reduced?
- Explain how technical losses can be reduced by use of energy efficient transformer in Transmission and Distribution system.
- How can the steady-state error in a system be reduced?
- A Unified Power Flow Controller (FACTS controller) is a voltage source converter based
- In voltage source converter based HVDC transmission system the active power is controlled by changing
- Is more power dissipated in series or parallel?
- What is a safe distance from power lines?
- Why high voltage is used in power transmission?
- A three phase transformer can be used in emergency at reduced rating of 58% to deliver three phase power...
- Discuss how power factor tariff results into energy conservation.
- How many volts does it take to power an Arduino?
- How many watts does a power plant produce?
- How much electricity is produced by a power plant?
- How much power does an Arduino use?
- How do you power an Arduino?
- How do you measure power factor?
- How often do power surges occur?
- How many volts are in the power lines?