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

سال انتشار: 1394
محل انتشار: کنفرانس بین المللی یافته های نوین پژوهشی درمهندسی برق و علوم کامپیوتر
کد COI اختصاصی: COMCONF01_376
زبان مقاله: انگلیسی
تعداد مشاهده: 958

نویسندگان

Master Electronics Islamic Azad University South Tehran Branch Ray Power plant Management

Master Electronics Islamic Azad University South Tehran Branch

چکیده

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

کلیدواژه ها

Protective Relay Siemens,Siprotect4-Siemens,Automation

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