A new approach to synchronous generator internal fault simulation using combined winding function theory and direct phase quantities

1999 ◽  
Author(s):  
H. Jiang
Keyword(s):  
Function Theory ◽  
Fault Simulation ◽  
Synchronous Generator ◽  
New Approach ◽  
Internal Fault

scholarly journals Real Time Load Angle Application for Synchronous Generator Protection Purposes

2020 ◽  
Vol 69 (1) ◽  
pp. 13-17 ◽  
Author(s):  
Ivan Višić ◽  
Ivan Strnad ◽  
Tihomir Tonković
Keyword(s):  
Real Time ◽  
Synchronous Generator ◽  
Angle Measurement ◽  
New Approach ◽  
The Real ◽  
Generator Protection ◽  
Step Generator ◽  
Load Angle

The out-of-step protection function is one of the key functions in generator protection. This function detects the loss of generator synchronism, and when such a fault occurs, it is necessary to disconnect the generator from the rest of the system as soon as possible in order to avoid major damages.The algorithms used in the out-of-step protection functions are based on the measurements of generator impedances and they use the impedance vectors to check if all stability criterions are met. This paper describes a new approach to realizing the out-of-step generator protection function by using the direct load angle measurement. The idea behind applying the real time load angle measurement is to faster detect the loss of synchronism.

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