Intelligent excitation control system for generator set

A technology of intelligent control system and generator set, applied in electrical program control, program control in sequence/logic controllers, etc., can solve problems such as difficulty in obtaining accurate mathematical models, and achieve high efficiency

Inactive Publication Date: 2016-06-15
SHANDONG WANYA POWER SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

The power system is essentially a nonlinear large-scale system, and it is difficult to obtain an accurate mathematical model

Method used

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  • Intelligent excitation control system for generator set
  • Intelligent excitation control system for generator set
  • Intelligent excitation control system for generator set

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Embodiment Construction

[0075] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative effort fall within the protection scope of the present invention.

[0076] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the patent application specification and claims of the present invention do not indicate any order, quantity or impo...

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Abstract

The invention relates to an intelligent excitation control system for a generator set. The system includes a voltage detection unit, a data processing unit, a PID calculation unit, a power amplification unit and an intelligent instruction list, wherein the intelligent instruction list is used for determining PID parameters of the PID calculation unit and stores a plurality of sets of instructions, and each set of instruction consists of a preset voltage deviation value, a preset voltage deviation change rate and corresponding PID parameters; and an intelligent control unit is used for receiving information of a voltage deviation value e and a voltage deviation change rate ec, and judging whether difference value rates of the voltage deviation value e and the voltage deviation change rate ec and the preset voltage deviation value and the preset voltage deviation change rate in the intelligent instruction list are lower than preset different value rates, if yes, the PID parameters in the instruction are input to the PID calculation unit, and if no, an instruction with the sum of the abovementioned two difference value rates being minimum is selected, and the PID parameters in the instruction are input to the PID calculation unit. The system has a relatively good excitation control effect.

Description

technical field [0001] The invention relates to an excitation intelligent control system of a generator set, in particular to an excitation intelligent control system of a diesel generator set, a gasoline generator set, etc. Background technique [0002] The construction of a strong and smart grid is inseparable from "strong" and "smart", which are two basic development requirements of a modern power grid. "Strength" is the foundation, and "intelligence" is the tool. A strong smart grid is to achieve efficient and intelligent power supply on the basis of safe and stable operation. Automation is an intuitive reflection of the development level of the smart grid. Relying on efficient information, collection and transmission, and integrated system control applications, the level of automatic operation control and management of the grid can be improved. [0003] With the rapid development of the electric power industry and the continuous expansion of the scale of the power sys...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04
CPCG05B19/04
Inventor 张珣
Owner SHANDONG WANYA POWER SCI & TECH CO LTD
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