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Control method, system and device of vehicle-mounted converter and vehicle-mounted converter

A control method and converter technology, which is applied in control systems, circuit devices, control generators, etc., can solve problems such as small capacity and undesired batteries, and achieve the effects of reducing output current, prolonging battery life, and slowing down the downward trend

Active Publication Date: 2021-03-02
ZHANGZHOU KEHUA TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the small capacity of the on-board battery, it is not desirable to fully utilize the battery to power the load

Method used

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  • Control method, system and device of vehicle-mounted converter and vehicle-mounted converter
  • Control method, system and device of vehicle-mounted converter and vehicle-mounted converter
  • Control method, system and device of vehicle-mounted converter and vehicle-mounted converter

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Embodiment Construction

[0045] The core of the present invention is to provide a vehicle-mounted converter control method, system, device and vehicle-mounted converter. The load at the rear end of the power take-off generator is greater than the maximum load that the power take-off generator can drive at this speed, so that the power take-off output When the output voltage at the terminal decreases, reducing the output current and providing energy to the load through the energy storage power supply can slow down the downward trend of the output voltage, ensure uninterrupted power supply to the load, avoid completely using the energy storage power supply for power supply, and extend the storage time. battery life.

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments...

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Abstract

The invention discloses a control method, system and device for a vehicle-mounted converter and the vehicle-mounted converter, the vehicle-mounted converter comprises a rectification module, the output end of the rectification module serves as a power take-off output end, according to the scheme, firstly, the output voltage of the power take-off output end is obtained, and when the output voltageis smaller than a first preset voltage, namely when the energy output by the vehicle-mounted converter to the load is smaller than the energy required by the load, the output current of the power take-off output end is controlled to be reduced, and the energy storage power supply is used for supplying power to the load to enable the load to work normally. Visibly, by means of the mode, when the load at the rear end of the power take-off generator is larger than the maximum load which can be driven by the power take-off generator at the rotating speed, the output voltage of the power take-off output end is reduced, the output current is reduced, energy is provided for the load through the energy storage power source, and the reduction trend of the output voltage can be slowed down; and theuninterrupted power supply to the load is ensured, the complete use of an energy storage power supply for power supply is avoided, and the endurance time of the energy storage power supply is prolonged.

Description

technical field [0001] The invention relates to the field of control of vehicle-mounted converters, in particular to a control method, system, and device of a vehicle-mounted converter and the vehicle-mounted converter. Background technique [0002] The power generation system is an on-board power generation system powered by the power generator used for driving the vehicle. Specifically, the load capacity of the power generator in the power generation system is positively correlated with the speed of the power generator. When the rear end of the power take-off generator is suddenly loaded, that is, the power required by the load at the rear end of the power take-off generator is greater than the maximum power that the power take-off generator can output at this speed, the power take-off generator is rectified by the rectifier module The output voltage will drop rapidly until it reaches the undervoltage protection point, at this time, the power take-off generator will stop ...

Claims

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Application Information

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IPC IPC(8): H02P9/48H02J7/14H02J9/06
CPCH02P9/48H02J7/1492H02J9/062Y04S20/20Y02B70/30
Inventor 林伟民易龙强王志东
Owner ZHANGZHOU KEHUA TECH CO LTD
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