IEEE Standard for Salient-Pole 50 Hz and 60 Hz Synchronous Generators and Generator/Motors for Hydraulic Turbine Applications Rated 5 MVA and Above

2005 ◽  
Keyword(s):  
Hydraulic Turbine ◽  
Synchronous Generators ◽  
Salient Pole ◽  
Ieee Standard

scholarly journals Performance Assessment of Some Practical Loss of Excitation Detection Schemes Employing a Realistic Model

Energies ◽  
2020 ◽  
Vol 13 (22) ◽  
pp. 5928
Author(s):  
Abbas Hasani ◽  
Claus Leth Bak ◽  
Filipe Miguel Faria da Silva
Keyword(s):  
Power Plants ◽  
Synchronous Generator ◽  
Realistic Model ◽  
Industrial Applications ◽  
Domain Model ◽  
Detection Methods ◽  
Synchronous Generators ◽  
Ieee Standard ◽  
Real Time Digital Simulator ◽  
Detection Schemes

Loss of excitation (LOE) relay is one of the most essential protection elements for synchronous generators in power plants. During the last few decades, several LOE detection methods have been proposed, while limited schemes such as admittance- and impedance-based ones have been adopted for industrial applications. This study investigates and compares the behavior of some practical LOE detection schemes through extensive simulation scenarios, and from the reliability, speed, and security points of view. The simulation scenarios are accomplished by using the real-time-digital-simulator, where the phase domain model of the synchronous generator is used to develop a realistic and typical power generation system. Employing such a system, different types of complete and partial LOE incidents can be applied according to IEEE Standard C37.102-2006, while the performance of any scheme can be assessed through accurate and realistic LOE scenarios.

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