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Robust nonlinear control system and execution method of static synchronous compensator based on DSP chip

A technology of static synchronous compensation and non-linear control, which is applied to general control systems, control/regulation systems, and controllers with discontinuous output signals, etc., and can solve problems such as difficulty in ensuring continuity of power reliability and performance degradation of controllers, etc. problems, achieve good regulation performance and reliability, reduce control hysteresis, and improve speed and accuracy

Inactive Publication Date: 2007-04-25
TIANJIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the nonlinear characteristics of the STATCOM model, if a large disturbance occurs or the operating point deviates too far from the normal value, the performance of these controllers will be greatly reduced. To minimize the occurrence of large-scale power outage accidents, it is difficult to effectively guarantee the reliability and continuity of electricity consumption for people's living and economic development

Method used

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  • Robust nonlinear control system and execution method of static synchronous compensator based on DSP chip
  • Robust nonlinear control system and execution method of static synchronous compensator based on DSP chip
  • Robust nonlinear control system and execution method of static synchronous compensator based on DSP chip

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Embodiment

[0031] Embodiment: a kind of static synchronous compensator robust nonlinear control system (Fig. 1) based on DSP chip, it is characterized in that it is central processor and pulse processor with the high-performance DSP chip TMS320F2812 that Texas Instruments of the United States rolls out newly, with idt7133 dual-port RAM communication. The input end of its AC sampling circuit is connected to the transformer and current transformer of the external power system, and the output end is connected to the input end of the central processing unit. The output end of the central processing unit is connected to the pulse generator through a dual-port RAM, and the output The terminal is connected to the input terminal of the static synchronous compensator.

[0032] The AC sampling circuit (Fig. 2) mentioned above includes:

[0033] (1) AC sampling front-end circuit (Figure 3, 4), which is composed of D11, D12, D21, D22, R24, R25, R26, R34, R35, R36, C11, C12, C16, C17, it uses the tr...

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Abstract

This invention relates to a static simultaneous compensation robust non-linear control system and its work method based on DSP chip, which is characterized by comprising alternating sample circuit, central process circuit, double RAM, impulse generator connected to outer power system, wherein, the work method is to send the circuit sample signals to central processor through A / D conversion circuit; the central processor gets trigger angle through computation and then pass impulse controller to trigger switch parts.

Description

(1) Technical field: [0001] The invention belongs to the technical field of automatic control, in particular to a DSP chip-based static synchronous compensator robust nonlinear control system and working method. (two) background technology: [0002] As a pillar industry of the national economy, the electric power industry is a wide application field of static synchronous compensators. Static synchronous compensator can quickly and smoothly absorb inductive and capacitive reactive power, adjust system voltage, correct power factor, balance load, filter harmonics, etc. in the power system, and it will become the mainstream equipment for improving power quality. In the static synchronous compensator, the controller is one of its core components. It controls various behaviors of the device by generating and controlling the pulses that drive the switching device to complete the required tasks. Its performance directly affects the compensation effect of the device. . At present,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G05B11/14
Inventor 马幼捷弓晋霞周雪松刘富永徐晓宁侯明张智勇
Owner TIANJIN UNIVERSITY OF TECHNOLOGY
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