For which of the following the excitation
control method is satisfactory?
High voltage lines
Short line
Long line
Low voltage lines
Low voltage lines
When the load On the supply changes, The
terminal voltage of alternator also varies due to changed voltage drop in the
synchronous reactance of armature. The voltage of the alternator can be kept
constant by changing the field current of alternator in accordance with the
load. The excitation control method is satisfactory only for relatively short
transmission lines. It is not suitable for long lines as the voltage at the
alternator terminals will have to be V.
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