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3G-based remote power quality monitoring method

A technology for remote monitoring and power quality, used in electrical components, circuit devices, instruments, etc.

Inactive Publication Date: 2012-05-02
HUAIYIN INSTITUTE OF TECHNOLOGY
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Problems solved by technology

[0003] The purpose of the present invention is to provide a remote monitoring method based on 3G power quality for the existing power quality monitoring which is difficult to realize 3G remote monitoring. The device realizes signal processing and 3G network transmission, mainly including the fundamental wave of power quality and harmonic amplitude, frequency, phase, three-phase unbalance, voltage transient and other parameter calculation and wireless remote monitoring function

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Embodiment Construction

[0013] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and embodiments, which should not be construed as limitations on the solutions.

[0014] Such as figure 1 As shown, the remote monitoring method is based on the 3G network and is based on a test system with multiple processors as the core to complete the power test and information analysis and data transmission. The multi-core power test system based on 3G includes digital signal processors DSP, digital Analog converter, logic controller FPGA, 3G communication module, input and output module and program memory NIOS, digital signal processor DSP chip is TMS320C6713, digital-to-analog converter chip is AD7606, logic controller FPGA chip is EP1C12Q204C8, 3G communication The chip of the module is LC6311, and the specific process of the monitoring method is as follows: the core of the digital signal processor is TI 32-bit floating-point digital sig...

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Abstract

The invention discloses a 3G-based remote power quality monitoring method, which is realized through a 3G-based multi-nuclear power testing system. The 3G-based multi-nuclear power testing system comprises a digital signal processor, a digital-analog converter, a logic controller, a 3G communication module, an input / output module and a program memory. In the method, the digital-analog converter is controlled by a main program pre-stored in the digital signal processor to collect grid voltage and current signals and store the signals in a cache; the collected data are processed by the digital signal processor to obtain the amplitude, frequency, phase, three-phase unbalance and voltage transient parameters of fundamental waves and harmonic waves; and 3G communication is completed in a multi-thread manner after the program in the program memory receives remote commands or keyboard commands. The wireless, remote and online monitoring of the amplitude, frequency, phase, three-phase unbalance and voltage transient parameters of the fundamental waves and the harmonic waves for power quality can be realized via signal processing with double processors and 3G network transmission, the coverage area is large, the networking is easy, and the monitoring speed is high.

Description

technical field [0001] The invention relates to the field of remote automatic detection of power quality, in particular to a multiprocessor power quality monitoring method based on a 3G network. Background technique [0002] Remote monitoring of power quality is one of the key issues that smart grid needs to solve. It must not only monitor power quality, but also facilitate the remote transmission of scattered monitoring data to the monitoring center. At present, most power quality monitoring equipment can perform local monitoring of power quality, and some have local communication ports of RS232 and RS485, and network ports with Ethernet. These ports can solve the problem of communication between test terminals and host computers, or connect Wired network monitoring of data is realized through Ethernet, but it is unrealistic to set up a monitoring network for a large number of scattered power transformation and distribution equipment. The third generation mobile communicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J13/00G08C17/02
CPCY04S40/126Y04S10/527Y04S40/143Y02E60/7884Y02E60/7853Y02E60/00Y04S10/52
Inventor 赵建洋戴俊峰丁卫红
Owner HUAIYIN INSTITUTE OF TECHNOLOGY
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