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Voltage control method and system and readable storage medium

A voltage control method and bus voltage technology, applied in control systems, vector control systems, motor generator control, etc., can solve the problems of increasing the redundant design of high-voltage battery systems, exhausting low-voltage batteries, and charging low-voltage batteries, etc. Achieve the effect of improving voltage control efficiency and avoiding forced parking

Pending Publication Date: 2022-07-29
HANGZHOU ZHOUJU ELECTRONICS TECHNOLOGICAL
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  • Abstract
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  • Application Information

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Problems solved by technology

[0002] When the high-voltage battery of the hybrid vehicle has a serious failure and the external output power is interrupted, the low-voltage battery cannot be charged through the power converter. At present, the low-voltage power of the whole vehicle will all come from the low-voltage battery, which will cause the power of the low-voltage battery to be easily consumed. exhausted and forced to stop
At present, the existing technology solves the above problems from the perspective of battery hardware structure, but it will inevitably increase the redundant design of the high-voltage battery system, and the cost will increase accordingly, and it cannot fundamentally solve the problem caused by the failure of the high-voltage battery. The low-voltage battery is easy to feed power, and there is a problem of low control efficiency

Method used

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  • Voltage control method and system and readable storage medium
  • Voltage control method and system and readable storage medium
  • Voltage control method and system and readable storage medium

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations. Thus, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the application as claimed, but is merely representative of selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0024] It sh...

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Abstract

The embodiment of the invention provides a voltage control method and system and a readable storage medium, and the method comprises the steps: carrying out the hysteresis judgment according to a target control factor which influences the control stability in a process of controlling the power generation of a motor, and obtaining a corresponding hysteresis flag bit; according to the hysteresis flag bit, controlling the opening or closing of a voltage control function; and when the voltage control function is controlled to be started, a closed-loop regulation mode is adopted, and the bus voltage is controlled to reach a preset rated voltage instruction value in a following manner. The implementation of the method can improve the voltage control efficiency.

Description

technical field [0001] The present application relates to the technical field of vehicle control, and in particular, to a voltage control method, system and readable storage medium. Background technique [0002] When the high-voltage battery of the hybrid vehicle fails seriously and the external output power is interrupted, the low-voltage battery cannot be charged through the power converter. At present, the low-voltage battery of the whole vehicle will all come from the low-voltage battery, which will cause the low-voltage battery to be easily damaged. Depleted and forced to stop. At present, the existing technology solves the above problems from the perspective of battery hardware structure, but it is inevitable to increase the redundant design of the high-voltage battery system, and the cost will increase accordingly, and it cannot fundamentally solve the problems caused by the failure of the high-voltage battery. Low-voltage batteries are easy to feed, and there is a p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P21/14H02P21/18H02P21/20H02P21/22H02P21/34H02P25/022H02P27/12
CPCH02P21/14H02P21/18H02P21/20H02P21/22H02P21/34H02P21/0003H02P25/022H02P27/12H02P2207/05
Inventor 郑欢邵锦敏李千里王世武
Owner HANGZHOU ZHOUJU ELECTRONICS TECHNOLOGICAL