Power System Transient Stability
The transient state is defined as the operating state of a power system which is characterized by sudden changes in load or in the circuit conditions. The disturbances may include faults, switching events, as well as abrupt and significant changes in loading. Both the electrical system and the mechanical systems are in a transient state characterized by variations in electrical power, voltage, and so forth as well as variations in the rotor speed of the machine. The question to be answered by transient stability analysis is: “will any of the generators or groups of generators in an interconnected system lose synchronism as the result of a transient shock to the system?” This shock ...
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