Simulation method and system of new energy power generation grid-connected power system

Abstract

The invention relates to the technical field of power grid planning, and provides a simulation method and system of a new energy power generation grid-connected power system. The method comprises thesteps of acquiring new energy power generation grid-connected power system simulation data; generating a time sequence load curve according to the input power system simulation data, performing simulation operation comprising new energy output simulation, machine set maintenance planning and day-by-day running simulation according to the generated time sequence load curve, and performing calculation to obtain a running data parameter of the power system; and generating and outputting an energy-saving and economic evaluation index parameter according to the running data parameter, obtained by calculation, of the power system. By the method, estimation and evaluation on running efficiency of the power system in future are achieved by effective simulation of new energy power generation grid-connected power systems in future.

Description

technical field [0001] The invention belongs to the technical field of power grid planning, and in particular relates to a power system simulation method and system for grid-connected new energy power generation. Background technique [0002] In recent years, with the continuous increase in the scale of the power system, the addition of intermittent energy sources such as wind power and solar energy, the construction of large-scale cross-basin multi-level hydropower stations, the access of various types of power sources such as nuclear power, pumped storage power stations, and gas turbines, and the power grid Factors such as the pattern of long-distance AC-DC hybrid transmission have greatly increased the complexity of power grid operation. How to optimize the system operation in a complex power grid environment, improve the system's energy-saving economy, and reduce the system's emission intensity has become an important issue for power grid planning. [0003] The operatio...

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Problems solved by technology

[0005] Aiming at the defects in the prior art, the present invention provides a power system simulation method for grid-connected new energy power generation, which aims to solve the traditional power planning decision-making ideas in the prior art under the new situation of large-scale new energy access. It is difficult to comprehensively consider the problems of various operation modes faced by the system with the method

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