Electric Machine Daily Quiz #19

Which of the following method of calculating voltage regulation of a synchronous machine is also called OPTIMISTIC METHOD?

1. EMF method
2. MMF method
3. ZPF/ Potier method
4. ASA method

Which of the following methods takes care of saturation in a synchronous machine while calculating voltage regulation?

1. EMF method
2. MMF method
3. ZPF/ Potier method
4. ASA method

Which of the following is the latest recommended method for calculating voltage regulation of all type of alternators?

1. EMF method
2. MMF method
3. ZPF/ Potier method
4. ASA method

RAISE & LOWER commands are related to which element of operating or controlling system of a synchronous machine connected in parallel to others or infinite line

1. Flyball Governor
2. Speeder Gear
3. Unit Commitment apartment
4. None

Choose best option:

One Conditions to be satisfied for synchronisation is-

Frequency should of incoming machine should be _______ the running machine. In the case of connecting synchronous generators, the frequency of incoming alternator should be _______ the already running alternators.

1. Equal to, equal to
2. Equal to, less than
3. Equal to, more than
4. None