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Electrical data capturing and processing method

A technology of power data and processing method, applied in the field of power data collection and processing, can solve problems such as flexibility, poor versatility, high secondary development cost, and difficulty in meeting, to improve signal analysis accuracy, enhance system versatility, Efficient and flexible control effects

Inactive Publication Date: 2008-10-29
ZHEJIANG NORMAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

Due to the tight coupling of acquisition components and processing components, the flexibility and versatility of the existing systems are poor, and it is not convenient for system upgrades and function expansions; and the completion of sampling and processing based on general-purpose data acquisition cards solves the problems of complex calculations and system upgrades. But there are the following deficiencies: ① It is difficult to meet the requirements of real-time, high-precision, variable sampling frequency and sampling time of the power system; Processing capacity, but the control processing algorithm is not configurable, and secondary development costs are high; ③Software and hardware solidification design leads to a sharp increase in the cost of system upgrades and function expansion; ④Data analysis relies on computers, and the working environment is limited
The existing power data collection and processing methods are difficult to meet the above requirements

Method used

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  • Electrical data capturing and processing method
  • Electrical data capturing and processing method

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Embodiment Construction

[0015] The specific method of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0016] The general power data acquisition and processing method includes three parts: signal transmission, data acquisition and processing, signal analysis and diagnosis, among which data acquisition and processing is the core. As shown in Figure 1, the voltage and current signal of the present invention is under the control of synchronous algorithm, through high-precision sensitive sensor 1 (comprising current sensor, voltage sensor), conditioning circuit 2 and signal conversion is sent to the data acquisition and processing module 3 based on DSP , calling FFT, wavelet transform and other algorithm modules 4, digital filtering, error repairing and scale transformation module 5 to analyze and calculate appropriate algorithms and store related results, waiting for the control module 6 based on ARM and embedded operating system to call. The contr...

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Abstract

The invention pertains to an electric power automatic measurement and control technology, in particular to a method for collecting and processing electric power data, which is characterized in that: a high-performance embedded processor DSP plus ARM architecture is adopted, a collecting and processing terminal and a control terminal simultaneously adopt a synchronous sampling method based on a DSP / BIOS facility and an embedded Linux deployment software facility respectively, thus configuring an algorithm allocation module to realize the collecting and the processing of the electric power data, wherein, the synchronous sampling method adopts self-adaptive periodic change software, the signal period is carried out the real-time measurement and an accumulated deviation is controlled within a minimum timing unit of a timer. The invention is designed against the detection and monitoring instruments of an electric power system, which can complete the multi-channel synchronous sampling, integrate the collection and the sampling together, scientifically and reasonably realize the synchronous sampling of the electric power data and further meet the requirements on multi-channel, high-precision, strong real-time property and automation of the electric power data.

Description

technical field [0001] The invention belongs to the electric power automatic measurement and control technology class, in particular to a method for collecting and processing electric power data. Background technique [0002] Data acquisition is an important means of obtaining information. In existing application systems, various sensors are often used to complete sampling under the coordination of controllers or processors. Due to the tight coupling of acquisition components and processing components, the flexibility and versatility of the existing systems are poor, and it is not convenient for system upgrades and function expansions; and the completion of sampling and processing based on general-purpose data acquisition cards solves the problems of complex calculations and system upgrades. But there are the following deficiencies: ① It is difficult to meet the requirements of real-time, high-precision, variable sampling frequency and sampling time of the power system; Pro...

Claims

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Application Information

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IPC IPC(8): G06F17/40
Inventor 钟发荣潘竹生
Owner ZHEJIANG NORMAL UNIVERSITY
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