Charging control method for node device of networked charging system

A charging control method and node device technology, applied in the direction of adaptive control, general control system, control/regulation system, etc., can solve problems such as drooping, power module misjudgment, and power output current change rate increase, and achieve strong expansion and flexibility, prevent power supply overcurrent protection, and suppress the effect of current fluctuation rate
CN110794686AActive Publication Date: 2020-02-14SOUTHWEST UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SOUTHWEST UNIVERSITY
Publication Date
2020-02-14

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Abstract

The invention provides a charging control method for a node device of a networked charging system. The charging control method comprises the following steps of: S1, constructing a current prediction model of a charging current of a node device in a networked charging system; S2, constructing the current reference model of the node device in the charging process, and taking the current reference model as expected output of the charging system; and S3, taking the minimum variance value of the current prediction model and the current reference model as an objective function, and obtaining the charging control strategy of the node device by adopting a rolling optimization algorithm. According to the invention, the current of the power supply output cable in the charging process of the node device of the networked electric fish blocking system can be effectively reduced, and the safety risks of overheating and sagging of a cable, system damage and the like caused by the overload of the cable are avoided. A current fluctuation ratio on the cable bus can be effectively inhibited, and the problems of power supply overcurrent protection, system component damage, system failure and the likecaused by overlarge current fluctuation ratio are avoided; and when the node device put into use is increased due to the change of the use environment of the system, the output current can be kept within a set value all the time, so that the expansibility and the flexibility are relatively high.
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Description

technical field

[0001] The invention relates to a charging control method, in particular to a charging control method for a node device of a networked charging system applied to an electric battery. Background technique

[0002] Networked charging systems are widely used in modern industrial production and life. For example, the electric fish blocking technology in the field of fish farming uses electric fences to block fish. When the electric fish blocking system is applied to large-section rivers, lakes, oceans, etc., small Due to the limited effective working range of the single-machine electric fish-blocking equipment, it cannot meet the demand. It is necessary to combine multiple single-machine electric fish-blocking devices and network them to form a networked electric fish-blocking system to meet the needs of large-section scenarios.

[0003] During the working process of the networked power grid system, it is necessary to periodically charge many node devices. Howeve...

Claims

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