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The Design of ARM-Based New Distribution Monitoring Terminal

Author: YaoNa
Tutor: WangXinSheng
School: Harbin Institute of Technology
Course: Control Science and Engineering
Keywords: Distribution Automation Monitoring terminal Energy Metering Software Calibration
CLC: TM421
Type: Master's thesis
Year: 2008
Downloads: 81
Quote: 1
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Abstract


Distribution transformers is a very common electrical equipment, real-time monitoring of the operating parameters of the distribution transformers , distribution automation . Various parameters in real - time monitoring of distribution transformers run and run process exceptions be addressed grid stability , optimal operation of great significance . After the analysis of the functional and technical performance parameters of the distribution transformer monitoring terminal according to the with grid current situation in China and the current urgent needs of the distribution automation , home and abroad many the distribution terminal technology solutions based on the view of the current with the problems of electric monitoring terminal in cost , communication , reliability , intelligent monitoring terminal 32-bit ARM LPC2131 control core , high-precision energy metering the chip ATT7022B for data acquisition core design . Hardware circuit design , data processing and communication modules as auxiliary control board , power module as a substrate of the AC voltage in the power grid processing design provides DC power for the system is running as the main control board , collecting metering module design various functional modules are explained in detail , focusing on energy metering module data acquisition circuit design principles and hardware anti-jamming measures . Software design , functional requirements , design completed the main program of the monitoring system , complete energy metering module software design tasks to achieve a collection of various types of electrical parameters at the same time according to the requirements of precision calibration , monitoring terminal computer the software school school table table the platform design ideas , and written communication protocol . Finally, part of the performance test for the prototype design . Power distribution monitoring terminal prototype based on the design of the program , after debugging , basically reached the design requirements . The terminal power data acquisition , data statistics and analysis , has strong processing capabilities , real-time , as well as a variety of communication methods to facilitate the distribution monitoring system network to achieve automatic control of power systems .

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CLC: > Industrial Technology > Electrotechnical > Transformers, converters and reactors > Transformers: the role of performance points > Distribution transformers
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