Modulation circuit for discrete gear switching of controllable phase shifter, acquisition method of modulation circuit and terminal
A technology of modulation circuit and acquisition method, which is applied in the direction of AC network, instrument, electrical digital data processing, etc. with the same frequency from different sources, and can solve the problem that the steady-state model of the controllable phase shifter fails to reflect the discrete switching of gear positions Features and other issues, to achieve the effect of good gear control, fast switching, and simple steps
Pending Publication Date: 2022-01-04
GUANGDONG POWER GRID CO LTD
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[0005] The purpose of the present invention is to provide a modulation circuit for switching discrete gears of a controllable phase shifter, its acquisition method, and a terminal to solve the problem that the steady-state model of the controllable phase shifter in the prior art fails to reflect the discrete gears. The problem with switching features
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[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0053] It should be understood that the step numbers used in the text are only for the convenience of description, and are not intended to limit the order in which the steps are performed.
[0054] It should be understood that the terms used in the present specification are only for the purpose of describing particular embodiments and are not intended to limit the present invention. As used in this specification and the appended claim...
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The invention discloses a modulation circuit for discrete gear switching of a controllable phase shifter, an acquisition method of the modulation circuit and a terminal. The method comprises the steps: acquiring a corresponding relation between different gears of the controllable phase shifter and a device control signal according to the characteristics of a power electronic device; simultaneously controlling each gear by a plurality of independent device control signals; converting each gear into a binary gear number from a decimal gear number; listing a truth table corresponding to all binary gear numbers and all device control signals according to the corresponding relationship between different binary gear numbers and the device control signals; acquiring a corresponding logic function according to the truth table so as to build a corresponding logic circuit; connecting the output end of the conversion module with the input end of the logic circuit to obtain a modulation circuit for discrete gears of the controllable phase shifter; and using the conversion module for converting any gear of the controllable phase shifter from a decimal gear number to a binary gear number. The modulation circuit acquisition method is simple in step, and the gear control effect of the modulation circuit is better.
Description
technical field [0001] The present invention relates to the technical field of trigger circuit design, in particular to a modulation circuit for switching discrete gears of a controllable phase shifter, an acquisition method thereof, and a terminal. Background technique [0002] In recent years, power electronics technology has developed rapidly. The control of power electronic devices such as thyristors and diodes has the characteristics of fast on-off, and is used in various fields, including rectification, inverter circuits, and flexible power transmission systems. Among them, PWM (Pulse Width Modulation, Pulse Width Modulation) technology is often used in rectification and inverter circuits to control the thyristors, so that they can be switched on and off frequently to perform their functions, while UPFC (United Power Flow Controller, United Power Flow Controller) In the presence of power exchange, it is necessary to use complex control algorithms to control the thyrist...
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IPC IPC(8): G06F30/327H02J3/06
CPCG06F30/327H02J3/06
Inventor 李作红李峰余梦泽刘若平谢子豪洪权炜杜兆斌左郑敏孙辉彭勃徐蔚杨燕金楚罗澍忻周姝灿马龙义张蓓陈鸿琳彭穗李猛靳冰洁
Owner GUANGDONG POWER GRID CO LTD