The main business scope of this project's factory area includes the production and sales of fasteners, tungsten steel molds, hardware products, wire drawing, and railway fasteners. It has more than 1000 sets of imported automated production and testing equipment, with a high electrical load. The energy storage capacity for this configuration is5MW/10MWhThe lithium battery energy storage system,3000kVAtransformer1The platform,2500kVAtransformer1Build a platform and construct one10kVSwitch cabin. DC inverter690VAC power, boost converter with high voltage side10kVVoltage level access2seat10kVThe incoming cabinet of the switchgear compartment.

This project is2According to the "Technical Requirements for Grid Connection of Electrochemical Energy Storage Stations in Zhejiang Power Grid",“10（6）Electrochemical energy storage power stations connected to the grid with voltage levels of kilovolts and above should be installed at the grid connection point to meet the requirementsGB/T 19862requiredOnline monitoring device for power qualityInstallation of energy storage grid connection points and public connection points (company distribution room) in this period1Set up an online power quality monitoring device to detect real-time power quality parameters such as harmonics, negative sequence, voltage fluctuations, and flicker.

User's main distribution room10kVFault disconnection device is configured on the busbar side, and the action jumps to the main distribution room10kVEnergy storage access cabinet switch.

user10kVThe incoming cabinet of the main distribution room needs to be equipped with staged directional overcurrent protection, the incoming cabinet needs to be equipped with reverse power protection device, and the energy storage access cabinet needs to be equipped with staged directional overcurrent protection.

Configure anti islanding protection device 2 Set. The energy storage system should have anti islanding protection function, and in case of unplanned islanding, it should2sDisconnect from the power grid internally.

Configure frequency and voltage emergency control device on the energy storage station side 2 setAfter the frequency and voltage exceed the allowable range, the energy storage grid switch will be tripped.

The grid connected communication system of this energy storage power station should be based on meeting the requirements of power communication business for safe and economic operation of the power grid, and meet the requirements of power communication business for dispatch automation, relay protection, and safety automatic devices. Accurate, stable, and reliable remote control data, energy metering data, and battery status data should be ensured104The protocol transmission of Jiashan dispatch automation system, the fiber optic cable laid in this phase will upload relevant information from Jinyi Industrial Energy Storage Power Station110 The communication device inside the kilovolt Huimin substation. Fiber optic cable channel organization: Jinyi Industrial Energy Storage Power Station - Optical Communication - Huimin Transformation - Optical Communication - Jiashan Power Supply Company,.