module 4.6

One of the following is an advantage of three-phase power over single-phase power

• There will be interruption total power.

• It only supplies line-to-line single-phase voltage.

• It does not have constant level power and high cost

• It can service for both single and three-phase load.

Which one of the following is an advantage of three-phase power over single-phase power?

• Smaller operating machines with better operating characteristics

• It only supplies line-to-line single-phase voltage.

• It does not have constant level power and high cost

• It can service for three-phase load.

Which one of the following is an advantage of three-phase power over single-phase power?

• It can service for both single

• It has 3-phase voltage and 3-line voltage

• It only supplies line-to-line single-phase voltage.

• There will be interruption total power.

Which one of the following is an advantage of three-phase power over single-phase power?

• There will be interruption total power.

• It only supplies line-to-line single-phase voltage.

• It does not have constant level power and high cost

• It can supply six separate single phase voltage.

Which one of the following is an advantage of three-phase power over single-phase power?

• There will be interruption total power.

• It only supplies line-to-line single-phase voltage.

• more constant level of power and lower cost

• more constant level of power and high cost

Which one of the following is not an advantage of three-phase power over single-phase power?

• more constant level of power and high cost

• It can supply six separate single phase voltage.

• It only supplies line-to-line single-phase voltage.

• Smaller operating machines with better operating characteristics

What is The equation used to calculate the voltage in a balanced WYE connection?

• VL = 1.73xVph

• VL = Vph / 1.73

• VL = Vph

• VL = Vph x P.F

What type of voltage is taken between any two phases?

• Phase voltage.

• Line voltage

• Three phase voltage.

• Dc voltage.

What type of voltage are available from three phase generator?

• Line voltage and phase voltage

• Line current and phase current

• Three –phase voltage

• voltage and phase voltage and Three –phase voltage

What is The equation used to calculate the current in a balanced Delta connection?

• IL = 1.73xVph

• IL = Iph / 1.73

• IL = 1.73xIph

• VL = Vph x P.F