On the basis of controller area network, thermostatic element this paper completes the design of information monitoring model for lithium battery energy storage, gives two-level service architecture for energy storage monitoring, develops software for information monitoring system for lithium battery energy storage under controller area network, and analyses the positioning function and modular structure of the software for information monitoring system for lithium battery energy storage. Energy storage strategy can separate power production and consumption in time, thus affecting the current pattern of power production, distribution and consumption. The application of energy storage system can transform the existing rigid system into flexible system, and improve the security, economy and flexibility of power network operation. With the gradual development of lithium battery technology, and widely used in large-scale energy storage power plants, it can play a connecting role. The normal operation of energy storage system can be guaranteed by the analysis of operation parameters of lithium batteries, safety warning and the application of energy storage converter.
The energy storage monitoring system of lithium batteries includes data acquisition system of lithium batteries and monitoring system of various service devices.
The system architecture mainly combines master and slave control modes, and adopts adaptive active equalization scheme to complete the monitoring and information acquisition of lithium batteries. And in the island operation mode, the energy storage converter uses reactance and AC power grid connection [1]. The second level energy storage monitoring service system. The second level energy storage monitoring service system is the lithium battery monitoring mode, which mainly obtains the information of BMS and PCS directly, and transmits instructions to achieve power supply balance, obstacle warning and charge-discharge control.
Data visualization, power supply performance analysis and information visualization are realized. The overall capacity of the power system is 250KW*h, and the 100KW energy storage inverters are selected to realize the AC and DC conversion, while the grid connection completes the islands and grid operation, and realizes the energy storage operation in the islands state. The second level service energy storage system can complete the functions of converter, grid connection and monitoring. Because the second level service energy storage monitoring system is facing the energy storage data acquisition system, considering the communication mode of the controller area network, in order to complete the energy storage monitoring communication, we should select the protocol transformation mode of CAN NET, and realize the communication of the energy storage monitoring system through UDP.
The system communication architecture is shown in Figure 1. This chapter mainly completes the design of information monitoring model of lithium battery energy storage under the controller area network, gives the energy storage monitoring system architecture and two-level service architecture of energy storage monitoring, and then sets up the first and second-level energy storage monitoring service system, specifically analyzes the specific operation analysis and controller of the second-level energy storage monitoring service system.
Communication mode of information monitoring system for lithium battery energy storage under regional network.
To ensure the safety, sustainability and stable operation of lithium batteries, a complete monitoring system is needed. The monitoring system of lithium batteries’energy storage integrates computer strategy, industrial control strategy and communication strategy, and realizes the supervision of lithium batteries with C/S architecture to ensure the normal operation of the energy storage system. The second level lithium battery energy storage service system is the core part of the whole system, which can upload operation information, downward control code commands, and complete the operation monitoring of the overall energy storage system. In addition, the system is connected with the core of the first-class service electric power dispatching system and realizes the balanced measurement and control of the power supply part according to the operation status of the current energy storage system. This chapter summarizes. This chapter mainly realizes the research and development of lithium battery energy storage information monitoring system software under controller area network.
Firstly, the software of lithium battery energy storage information monitoring system is summarized. Then, the positioning function of lithium battery energy storage information monitoring system software, system modularization, data acquisition module, design of lithium battery data integration module and lithium electricity are discussed.
Pool data display. This paper realizes the research and development of lithium battery energy storage information monitoring system software under controller area network, summarizes the software of lithium battery energy storage information monitoring system, and then discusses the positioning function of lithium battery energy storage information monitoring system software, system modularization, data acquisition module, design of lithium battery data integration part and lithium battery data exhibition. Show.