Charger output voltage control method and device, electronic equipment and storage medium

Abstract

The embodiment of the invention provides a charger output voltage control method and device, electronic equipment and a storage medium. The method comprises the steps of determining the states of allchargers with storage batteries in the charging system; when all the chargers with the storage batteries in the charging system are in a boosting current-limiting stage, judging whether all the chargers without the storage batteries in the charging system can meet all the direct-current loads except the storage battery loads or not, if so, setting output voltages for all the chargers without the storage batteries according to a preset voltage value, and if not, setting output voltage for all chargers without storage batteries according to the highest output voltage in all chargers with storagebatteries. According to the embodiment of the invention, the output voltage is set for the charger without the storage battery through the state of the charger with the storage battery in the charging system, so that the charger not only can meet the requirements of a railway vehicle, but also enables the chargers to share the DC load of the whole railway vehicle as much as possible, and balancesthe output current of the chargers.

Description

technical field [0001] The invention relates to the technical field of charging, in particular to a method, device, electronic equipment and storage medium for controlling the output voltage of a charger. Background technique [0002] In rail vehicles, chargers not only charge batteries, but also supply DC loads in rail vehicles. [0003] The charger uses a charging curve with temperature compensation for the battery. Under normal circumstances, the charger uses a one-to-one charging method for the battery, that is, one charger only corresponds to one battery. However, in some cases, due to other factors, the number of chargers will be greater than that of batteries. That is to say, some chargers independently correspond to a storage battery, but some chargers do not have a corresponding storage battery. [0004] These chargers that do not have a corresponding battery cannot collect the temperature of the battery, so the output voltage cannot be determined for these charg...

AI Technical Summary

Problems solved by technology

[0004] These chargers without corresponding batteries cannot collect battery temperature, so according to the charging method with temperature compensation charging curve, it is impossible to determine the output voltage for these chargers

This in turn creates problems with the output of the rest of the chargers in the rail vehicle

The adverse effect is that only the charger with high output voltage in the rail vehicle has a DC load, and the rest of the chargers have no output, resulting in an overcurrent fault of the charger with a heavy load, which affects the power supply of the rail vehicle

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