45results about How to "Taking into account the reliability of power supply" patented technology

The invention provides a monitoring method for a battery energy storage system with the reactive power regulation function. The monitoring method comprises the steps that 1, a renewable energy power generation equipment monitoring module obtains running data of renewable energy power generation equipment in real time and stores the data; 2, according to the running data of the renewable energy power generation equipment, the output power of the renewable energy power generation equipment within the future preset time is predicted, and the reactive power, capable of being output, of a SVG module is predicted in real time; 3, the SOC of a storage battery module is detected and obtained in real time, and parameters and scheduling information of a power distribution network are obtained in real time; 4, optimal control over the battery energy storage system is achieved with active demands and reactive demands in scheduling information of the power distribution network, the current storage battery energy storage SOC, the future renewable energy power generation equipment output power and the reactive power, capable of being output, of the SVG module as constraint conditions.

The invention relates to a monitoring device for a micro-grid with an energy storage system capable of stabilizing power fluctuation. The monitoring device 11 comprises a photovoltaic power generation equipment monitoring module 114, an energy storage system monitoring module 115, a large-scale power grid communication module 112, a grid-connected monitoring module 116, a central control module 117, a wind power generation equipment monitoring module 113, a load monitoring module 118 and a bus module 111, wherein the photovoltaic power generation equipment monitoring module 114 is used for monitoring photovoltaic power generation equipment 12 in the micro-grid 10 in real time and forecasting generation power of the photovoltaic power generation equipment 12; the energy storage system monitoring module 115 is used for monitoring a storage battery module 131 and a DC / DC bidirectional transducer 132 in the energy storage system 131 in real time; the large-scale power grid communication module 112 is used for acquiring the operating condition of a large-scale power grid 20 and related scheduling information from a regulation and control center of the large-scale power grid 20 in real time; the grid-connected monitoring module 116 is used for controlling the micro-grid 10 to be connected with or isolated from the large-scale power grid 20; the central control module 117 is used for determining an operation strategy of the micro-grid 10 and sending a command to each module to execute the operation strategy; the wind power generation equipment monitoring module 113 is used for monitoring a SVG module 14 in real time; the load monitoring module 118 is used for monitoring loads 17 in the micro-grid 10 in real time; the bus module 111 is used for communication of each module of the monitoring device 11.