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The Research on Anti-interference of the Microcomputer-based Protection

Author: DengHuiQiong
Tutor: YangQiXun
School: North China Electric Power University
Course: Proceedings of the
Keywords: Microcomputer relay protection EMC
CLC: TM771
Type: Master's thesis
Year: 2001
Downloads: 468
Quote: 19
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Abstract


Relay plays a very important role in the safe operation of the power system . The emergence of relay protection device installation, testing and operation and maintenance has brought a lot of convenience , but also an important material foundation for the modern management of relay protection . But unless the protection device of the in vitro device in which the power plants , substations operating environment does not change , the harsh strong electromagnetic brings a great threat to the reliability of the computer protection device . Computer protection device and the power plant , substation electromagnetic environment in harmony , is increasingly becoming an important issue of concern by the engineering and technical personnel . Matched with the IEC61000 -4 - 4 standard NSG1025 fast transient / burst generator , based on the Quartet 's third generation of microcomputer relay protection , from the point of view of electromagnetic compatibility , analog relay protection device behavior under the action of the electromagnetic disturbance . Test, based on the test results , combined with the analysis and research of anti-interference theory , put forward a number of conclusions of microcomputer relay protection device anti-jamming .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system protection > Protection Principle
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