Research and application of optimization strategy for new energy on-grid consumption capacity

The power grid structure after new energy is connected to the grid integrates thermal power, wind power, photovoltaic and other power generation. Although the overall power grid structure is planned reasonably and the system operates safely and stably, in some of the current new energy grid-connected channels, there are still heavy power transmission and transformation equipment. The problem of overload operation or the inability of the load section to meet the N-1/N-2 operation mode, among which the thermal stability limitation of the Internet access channel is the most prominent problem, which needs to be effectively solved in the short term. The quantitative evaluation strategy proposed in this paper fully taps the operation potential of power transmission and transformation equipment, without changing the existing grid structure, without increasing (expanding) the installed capacity and project investment of power transmission and transformation equipment, and without breaking the existing regulations and specifications. Under the premise of the regulations, with limited investment, it can effectively solve or alleviate the problem of load blockage of the new energy grid connection channel, optimize the safe operation and management level of the regional power grid, and improve the technical and economic benefits.