Cascade utilization vehicle power battery energy storage system
A technology of power battery and energy storage system, which is applied in the field of echelon utilization of vehicle power battery energy storage system, can solve problems such as waste of resources, and achieve the effects of ensuring quality, reducing electricity cost and realizing power balance.
Active Publication Date: 2019-03-05
武汉动力电池再生技术有限公司
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Problems solved by technology
The direct elimination of lithium-ion batteries causes a serious waste of resources
When the capacity of the electric vehicle battery drops to 80% of the rated capacity, it is not suitable to continue to use it. If the battery is directly eliminated, it will cause a serious waste of resources.
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[0016] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be further described in detail below in conjunction with the drawings and specific embodiments.
[0017] Such as figure 1 As shown, the present invention provides a cascade utilization vehicle power battery energy storage system, which includes a cascade utilization battery management system, a bidirectional energy storage converter, a power control system, an intelligent power distribution system, and a monitoring and dispatching system; The battery management system is connected to the intelligent power distribution system through the bidirectional energy storage converter, and the cascade utilization battery management system is connected to the power control system and the monitoring and dispatching system respectively; , Monitoring and dispatching system communication connec...
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The invention discloses an energy storage system of a power battery for an echelon utilization vehicle. The energy storage system comprises an echelon utilization battery management system, a bidirectional energy storage converter, a power control system, an intelligent power distribution system and a monitoring dispatching system, wherein the echelon utilization battery management system is accessed to the intelligent power distribution system and is respectively in communication connection with the power control system and the monitoring dispatching system, and the power control system is respectively in communication connection with the bidirectional energy storage converter and the monitoring dispatching system. With the energy storage system of the power battery for the echelon utilization vehicle, the echelon utilization battery energy storage system is built by means of the power battery and is mainly used for storing energy of a valley load and supplying power to an important load during a load peak stage; and the energy storage converter in the echelon utilization battery energy storage system is used for stably switching between a voltage power off-line mode and a current source grid-connected mode, and the safe power supply of the load and the stable running of the echelon utilization battery energy storage system shall be ensured during the switching process.
Description
technical field [0001] The invention relates to the technical field of battery reuse, in particular to a power battery energy storage system for cascade utilization vehicles. Background technique [0002] The cost of lithium-ion batteries is relatively high and the service life of the vehicle is only 3-4 years, which brings a great burden to battery purchasers and operators. The direct elimination of lithium-ion batteries causes a serious waste of resources. When the capacity of the electric vehicle battery drops to 80% of the rated capacity, it is not suitable to continue to use it. If the battery is directly eliminated, it will cause a serious waste of resources. [0003] In order to maximize the use and utilization of the remaining value of the vehicle power battery and prolong the service life of the power battery, the power battery eliminated by the electric vehicle has the conditions for continued use in the energy storage system. Through the cascade utilization meth...
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IPC IPC(8): H02J3/32
CPCY02E40/10
Inventor 许开华张云河
Owner 武汉动力电池再生技术有限公司