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Excited controller data acquiring and processing system based on DSP and working method thereof

A data acquisition and processing system technology, applied in the direction of electrical digital data processing, special data processing applications, memory systems, etc., can solve the problem that data acquisition and processing capabilities cannot meet the needs of the development of excitation controllers, and achieve simplified hardware device design , improved responsiveness, and reduced workload

Inactive Publication Date: 2007-04-18
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, whether it is an analog excitation regulator or a digital excitation controller with a single-chip microcomputer as the core, its data acquisition and processing capabilities cannot meet the needs of the development of the excitation controller.

Method used

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  • Excited controller data acquiring and processing system based on DSP and working method thereof
  • Excited controller data acquiring and processing system based on DSP and working method thereof
  • Excited controller data acquiring and processing system based on DSP and working method thereof

Examples

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Embodiment

[0029] Embodiment: a kind of data acquisition and processing system (see Fig. 1) based on the digital excitation controller of DSP, it is characterized in that it is made up of frequency measurement circuit, alternating current amount preprocessing circuit, analog-to-digital converter ADS8364 and DSP chip TMS320F2812 The interface circuit, switching value acquisition circuit, phase-shifting pulse forming and power output circuit are composed. The signal end carrying the switching value is connected to the input end of the switching value acquisition circuit, and the output end of the switching value acquisition circuit is connected to the DSP processor. The said AC analog signal end is connected to the input terminal of the AC analog preprocessing circuit, and the output terminal of the AC analog preprocessing circuit is connected to the DSP processor input; the modulus in the said AC analog preprocessing circuit The relevant control pins of the converter are connected with the...

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Abstract

The invention is a DSP-based excitation controller data collecting and processing system and the operating method thereof, and it comprises on-off collecting circuit, AC analogue preprocessing circuit, frequency measuring circuit, A / D converter-DSP interface circuit, on-off output circuit, and phase shifted pulse forming and power output circuit. And its advantages: 1. simplifying hardware design; 2. using DSP chip with respect to motor and motion control field; 3. simplifying hardware overhead and reducing system maintaining workload by adopting AC sampling and omitting the electrical transducer from the excitation controller; 4. improving data collecting speed and accuracy and response real-time property of the excitation controller by data calculating and processing ability of DSP.

Description

(1) Technical field: [0001] The invention belongs to the technical field of data acquisition of an excitation controller of a synchronous generator in a power system, in particular to a data acquisition and processing system and a working method of a DSP-based digital excitation controller for improving the accuracy and speed of data acquisition and processing. (two) background technology: [0002] The excitation controller is an important part of the synchronous generator system, which plays an important role in maintaining the normal operation of the generator and the stable operation of the power system. Its main functions are reflected in the following aspects: (1) Control the terminal voltage of the generator at a given level; (2) Control the distribution of reactive power; (3) Improve the stability of parallel operation of synchronous generators and improve the power system (4) Forced excitation function; (5) Provide limit and protection functions for generators and im...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P9/14G01R19/25G06F9/00G06F17/00
Inventor 周雪松吴平安马幼捷张跃均邵宝福康文广安小东
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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