Electric vehicle charging and changing power station emergency power supply system and method

Abstract

The invention provides an electric vehicle charging and changing power station emergency power supply system and a method. The system comprises a control system, a main power supply system, an emergency power supply system, a selection switch, electric equipment, a power cable and a communication line. The main power supply system and the emergency power supply system provide power for the electric equipment through the power cable and the selection switch. The electric vehicle charging and changing power station emergency power supply system with a simple structure, complete functions, high reliability, a fast corresponding speed, configuration modularization and intelligent functions is provided.

Description

technical field [0001] The invention relates to an electric vehicle charging and swapping technology, in particular to an emergency power supply system and method for an electric vehicle charging and swapping station. Background technique [0002] Social and economic development is increasingly facing the shortage of fossil energy and the severe challenge of protecting the ecological environment. Energy conservation and environmental protection have become major strategic issues that countries urgently need to solve. Electric vehicles, which emerged at the historic moment, have the advantages of energy saving and environmental protection. Vigorously developing electric vehicles and realizing the comprehensive transformation of transportation energy have been generally established by countries all over the world as effective ways and important measures to implement sustainable energy utilization strategies and low-carbon economic transformation. [0003] The electric vehicle ...

AI Technical Summary

Problems solved by technology

However, the charging and swapping of electric vehicles has a large randomness and disorder, which leads to the variability of the power consumption coefficient of the charging and swapping facilities of electric vehicles, which further intensifies the power supply pressure of the power supply system of the charging and swapping stations of electric vehicles, and increases the The probability of failure of the main power supply system of the charging and swapping station

[0005] Some electric vehicle charging and swapping stations designed and constructed at home and abroad have uninterruptible power supplies, but they can only supply power for several hours

In addition, with the development of new energy and renewable energy power generation technology, some electric vehicle charging and swapping stations equipped with photovoltaic power generation or wind power generation systems have appeared, but solar energy and wind energy are both intermittent energy sources. Difficulty ensuring stable power supply

The use of electric vehicle power batteries as the emergency power supply system for electric vehicle charging and swapping stations is still in its infancy and exploratory stage. It lacks systematic theoretical methods and standards, and has not yet formed a fully functional, systematic, comprehensive and integrated system. Electric vehicle charging and swapping station emergency power supply system

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