Why synchronous impedance method is called as pessimistic method
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Normally for voltage regulation calculation, we use methods like :
Synchronous impedance method
Armature turn or mmf method
Zero pf or Potier method
Synchronous impedance method gives result which is higher than the original value. That's why it's called the 'pessimistic method'.
Armature turn or mmf method gives value which is lower than the original value. That's why it's called the 'optimistic method'.
Hence, the most accurate method of voltage regulation is the Potier method. This can be done using no-load or OCC curve and Full load ZPF curve( not SCC). It is based on the separation of armature leakage reactance drop and the armature reaction effects.
MARK BRAINLIEST...
Synchronous impedance method
Armature turn or mmf method
Zero pf or Potier method
Synchronous impedance method gives result which is higher than the original value. That's why it's called the 'pessimistic method'.
Armature turn or mmf method gives value which is lower than the original value. That's why it's called the 'optimistic method'.
Hence, the most accurate method of voltage regulation is the Potier method. This can be done using no-load or OCC curve and Full load ZPF curve( not SCC). It is based on the separation of armature leakage reactance drop and the armature reaction effects.
MARK BRAINLIEST...
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