03/(35M) Justify each of the following (explanatory diagrams, characteristics or related formulas should be included when it is required): ii) iv) v) An alternator with cylindrical rotor type is used with steam turbine or gas turbine, while salient-pole rotor type is used in hydro power plants. Pilot exciter is often used to excite the filed circuit of a synchronous generator. Using O.C.C and S.C.C is not an accurate method for determining synchronous impedance for a given load. Armature reaction is being wholly magnetizing when a pure capacitive load is connected to the terminals of a synchronous generator. When an alternator connected to the power system is subjected to a disturbance (three-phase faults or sudden load changes), instantaneous 3-phase short circuit currents with very high amplitudes are resulted in the phases which disturb the power system stability. Good Luck <<<s
03/(35M) Justify each of the following (explanatory diagrams, characteristics or related formulas should be included when it is required): ii) iv) v) An alternator with cylindrical rotor type is used with steam turbine or gas turbine, while salient-pole rotor type is used in hydro power plants. Pilot exciter is often used to excite the filed circuit of a synchronous generator. Using O.C.C and S.C.C is not an accurate method for determining synchronous impedance for a given load. Armature reaction is being wholly magnetizing when a pure capacitive load is connected to the terminals of a synchronous generator. When an alternator connected to the power system is subjected to a disturbance (three-phase faults or sudden load changes), instantaneous 3-phase short circuit currents with very high amplitudes are resulted in the phases which disturb the power system stability. Good Luck <<<s
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
Section: Chapter Questions
Problem 1CE
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Justify each of the following (explanatory diagrams, characteristics or related formulas should be included when it is required):
1. An alternator with cylindrical rotor type is used with steam turbine or gas turbine, while salient-pole rotor type is used in hydro power plants.
2. Pilot exciter is often used to excite the filed circuit of a synchronous generator.
3. Using O.C.C and S.C.C is not an accurate method for determining synchronous impedance for a given load.
4. Armature reaction is being wholly magnetizing when a pure capacitive load is connected to the terminals of a synchronous generator.
5. When an alternator connected to the power system is subjected to a disturbance (three-phase faults or suden ludes are ges), instantaneous 3-phase short chance (three-phaseth very high amplitudes are resulted in the phases which disturb the power system stability

Transcribed Image Text:03/(35M) Justify each of the following (explanatory diagrams, characteristics or related
formulas should be included when it is required):
ii)
iv)
v)
An alternator with cylindrical rotor type is used with steam turbine or gas turbine,
while salient-pole rotor type is used in hydro power plants.
Pilot exciter is often used to excite the filed circuit of a synchronous generator.
Using O.C.C and S.C.C is not an accurate method for determining synchronous
impedance for a given load.
Armature reaction is being wholly magnetizing when a pure capacitive load is
connected to the terminals of a synchronous generator.
When an alternator connected to the power system is subjected to a disturbance
(three-phase faults or sudden load changes), instantaneous 3-phase short circuit
currents with very high amplitudes are resulted in the phases which disturb the
power system stability.
Good Luck <<<<s
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