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《Electrical Measurement & Instrumentation》 2001-05
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The research, produce and conference of an intelligent test instrument for the DCR of the perceptual load in the electric power system

Li Weibo1,Li Qiyan1,Wang Yu2,Zhang Donghui2 (1.Huazhong University of Science and Technology,Wuhan 430074, China; 2.Wuhan High Voltage Research Institute Huadian Electric Instrument Corporation,Wuhan 430074,China)  
The research-method and actual test-effect of a novel fast high-precision and intel- ligent test-set for the DCR (direction current resistance) of the perceptual load in the elec- tric power system(for example transformer)is introduced in this paper. This instrument can be controlled by the system of the singe-chip microprocessor, and it can test automaticly by it- self, and can analyze the process of the test, and can collect data and safeguard superhot. This paper will provide with some key targets of the properties of the instrument. Some im- portant segment is expatiated on, and the performance is given, it holds the advantage of high-precision, low-noise, low power consumption, better anti-interference,simple and safe operation and so on.
【CateGory Index】: TM934.1
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