單項選擇題

Why is it desirable to operate paralleled AC generators at the same power factor?（）

A.Circulating currents are kept to a minimum
B.Field excitation losses are kept to a minimum
C.Generator rotors will have a lesser tendency to hunt
D.Because a power factor increase will decrease kilowatt output

你可能感興趣的試題

單項選擇題

An ammeter should be used to measure （）

A.the voltage between two points in a circuit
B.circuit continuity
C.current flow in a circuit
D.total or partial circuit resistance

單項選擇題

When the voltage remains constant and the resistance is increased in a series circuit, the flow of current （）

A.increases by the square of the original value
B.increases
C.remains the same
D.decreases

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

Why is it desirable to operate paralleled AC generators at the same power factor?（）

你可能感興趣的試題

An ammeter should be used to measure （）

When the voltage remains constant and the resistance is increased in a series circuit, the flow of current （）

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精