چکیده مقاله
Protective relay important role in maintaining the stability of the power grid, The occurrence of fault conditions and abnormal conditions in the power system is possible To reduce damage to equipment as a result of these conditions, important and expensive part of many separate power supplies or in the worst case loss of stability that could lead to partial or global extinction, it is necessary measures taken The most important of these measures is updated electromechanical equipment and protective relays The new generation of the brand Siemens SIPROTEC protective relays that are configured with software DIGSI high flexibility with adjustable times are Pre fault and Post fault In this paper, capabilities and performance of microprocessor relay SIPROTEC 4 SIEMENS that the project optimizes the protective system installed substation 230KV Ray power plant check and its impact on the speed command in moments of error offering To test the performance of secure and reliable digital relays over electromechanical relays, O C digital relays and under different dynamic logical algorithms and error conditions in a power system using the software MATLAB / SIMULINK simulation was tested Fast performance, and high reliability with minimal power outage system in case of error is the result
کلیدواژهها
نویسندگان
Seyed Mahdi Ghadamgahi
Master Electronics Islamic Azad University South Tehran Branch Ray Power plant Management
Fahimeh Zamani
Master Electronics Islamic Azad University South Tehran Branch
شیوه ارجاع
Ghadamgahi, Seyed Mahdi and Zamani, Fahimeh,1394,Modeling the impact of the optimization of protective relays substation on the stability of power transmission network -Case Study 230kv substation ray power plant-tehran ,International Conference on New Research Findings in Electrical Engineering and Computer Science,Tehran
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