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SOC deviation correction method and device, terminal and storage medium

A technology for correcting parameters and deviation values, which is applied to measuring devices, instruments, measuring electronics, etc., can solve problems such as SOC deviation, and achieve the effect of ensuring safe, continuous and stable operation

Pending Publication Date: 2020-03-27
SHENZHEN CLOU ELECTRONICS
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  • Description
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Problems solved by technology

[0004] The present application provides a SOC deviation correction method, device, terminal and storage medium to solve the problem of battery SOC deviation in the existing battery management system

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  • SOC deviation correction method and device, terminal and storage medium
  • SOC deviation correction method and device, terminal and storage medium
  • SOC deviation correction method and device, terminal and storage medium

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0049]The terms "first", "second", and "third" in this application are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least tw...

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Abstract

The invention discloses an SOC deviation correction method and device, a terminal and a storage medium. The method comprises the following steps: obtaining a current state parameter of a battery whenthe current voltage of the battery is detected to reach a charging / discharging inflection point voltage; querying a correction parameter table according to the current state parameter, and calculatingto obtain a theoretical state of charge of the battery in combination with the current voltage, wherein the correction parameter table records a corresponding relationship between the voltage and thestate of charge of the battery under different state parameters, a charging correction parameter and a discharging correction parameter; obtaining the actual state of charge of the battery, and calculating the deviation value between the actual state of charge and the theoretical state of charge; when the deviation value exceeds a preset deviation range, querying a correction parameter table according to the current state parameter to obtain a target charging / discharging correction parameter; and correcting the actual state of charge through the target charge / discharge correction parameter. According to the invention, when the state of charge deviates, correction is carried out through the pre-configured correction parameters, so that safe and stable operation of the battery is ensured.

Description

technical field [0001] The present application relates to the technical field of battery management, and in particular to a SOC deviation correction method, device, terminal and storage medium. Background technique [0002] With the rapid development of the global new energy industry, it is an inevitable trend for new energy to replace traditional fossil energy; energy storage can build an integrated integrated power generation system together with new energy power generation systems such as photovoltaic power generation and wind power generation, which can improve energy utilization and power quality. , improving the reliability of power supply and other aspects play a very critical role. At present, the battery energy storage system is the most widely used energy storage system; the core part of the battery energy storage system is the battery, and the normal use and control of the battery depends on the BMS (battery management system). system), and SOC (battery state of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/367G01R31/3835
CPCG01R31/367G01R31/3835
Inventor 但助兵邓荣钦雷莹容海林
Owner SHENZHEN CLOU ELECTRONICS
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