Abstract
The test of battery energy storage station has the characteristics of low degree of automation, complicated testing process, and many cooperation links. Especially for the battery energy storage station monitoring, there are currently no corresponding test tools and test methods. Based on the business function and energy storage equipment simulation modularization, test configuration and test case configuration ideas, this paper designs a set of battery energy storage station simulation test system. It realizes the functions of configurable equipment model of energy storage power station, selectable communication protocol, settable test scenarios, scripted execution of test process, automatic generation of test results, etc., and can provide specialization tool for the testing of the grid-side battery energy storage station monitoring system, effectively improve the testing efficiency. The field test results show that the test system is accurate and effective.
Highlights
Serving as an important part of energy storage, battery energy storage station (BESS) is featured with fast response and high control accuracy, and is of great value in scenarios of distributed generation connection, frequency regulation joint with heat-engine plant, peak shaving and frequency regulation for power system, demand-side load shifting and etc.[1]
Based on the testing requirements of BESS monitoring system, this paper summarized the mainstream architecture of BESS monitoring system, proposed the framework of monitoring system test platform, expounded the software, hardware and functional design of the test platform, designed and developed a set of simulation test platform on basis of modularization[14] and configuration ideas
When an abnormal state occurs, the simulation tool will trigger corresponding protection actions, faults, alarms and other events to be sent to the monitoring system, and at the same time change the telemetering and remote signaling data of the power conversion system (PCS) equipment.PCS simulation is managed by the simulation and test system
Summary
Serving as an important part of energy storage, battery energy storage station (BESS) is featured with fast response and high control accuracy, and is of great value in scenarios of distributed generation connection, frequency regulation joint with heat-engine plant, peak shaving and frequency regulation for power system, demand-side load shifting and etc.[1]. Regarding the test of BESS, the research fields abroad are mainly concentrated in three aspects: grid-connected converter, control system and energy storage battery pack charging and discharging curve[3,4,5,6,7]. The domestic energy storage power station system test mainly focuses on the formulation of the corresponding standards[8,9,10] and grid-connected testing[11,12,13], there is no relevant researches on the testing of the monitoring system of electrochemical energy storage power station. It realized the test on BESS monitoring system, so as to provide theoretical and technical support for development and testing of large-scale BESS
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