A system for obtaining power control characteristics of photovoltaic power plants based on hybrid simulation

Abstract

The present invention provides a photovoltaic power station power control characteristic acquisition system on the basis of hybrid simulation. The photovoltaic power station power control characteristic acquisition system comprises a photovoltaic inverter unit test module, a data analysis module, a photovoltaic power station model module, a photovoltaic power station simulation module, a data warehouse module, a characteristic output module, a data communication module and a master control module. The photovoltaic inverter unit test module and the data analysis module are configured to complete a unit-level power control characteristic analysis; the photovoltaic power station model module and the photovoltaic power station simulation module are configured to complete a plant-level power output characteristic analysis; the data warehouse module and the characteristic output module are configured to perform data mining and generation of a analysis report; the master control module includes an AVC reactive voltage control system and an AGC active control system and is configured to send power control instructions; and the data communication module is configured to perform communication among modules. The photovoltaic power station power control characteristic acquisition system on the basis of hybrid simulation is able to perform comprehensive scanning and analysis of various operation conditions and provide an overall engineering guidance for a power grid dispatching department and the operator of a photovoltaic power station.

Description

technical field [0001] The invention relates to a photovoltaic power station power control characteristic acquisition system based on hybrid simulation, and belongs to the technical field of photovoltaic power station power control. Background technique [0002] With the large-scale development of photovoltaic power generation, the influence of the power control characteristics of photovoltaic power plants on the power grid is becoming more and more obvious. Improving the power control performance of photovoltaic power plants is an effective way to improve voltage stability and grid operation economy in photovoltaic access areas. At present, my country's photovoltaic power stations need to comply with the national standard "GB / T 19964 Technical Regulations for Connecting Photovoltaic Power Stations to Power Systems" and relevant standards or regulations formulated by relevant industries for the grid-connected operation of photovoltaic power stations before they are connected...

AI Technical Summary

Problems solved by technology

Since the analysis method cannot fully reflect the influence of factors such as the topological structure of the grid structure of the photovoltaic power station and the dynamic operating performance of the reactive power compensation device on the power control characteristics of the photovoltaic power station, how to improve the analysis accuracy is the main problem faced by this method. At the same time, the flexibility of the analysis method often limited by the functionality provided by the computer software tools used

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