Distributed photovoltaic upscale virtual equivalent power station definition method based on power grid structure and meteorological characteristics
A technology of distributed photovoltaic and power grid structure, applied in the field of efficiency, can solve the problems of wide distribution, large number, and difficult operation control of distributed photovoltaics, and achieve the effect of reducing the complexity of regulation and control.
Pending Publication Date: 2021-03-05
梅雪峰 +2
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Problems solved by technology
However, this still cannot solve the problem of the wide distribution and large number of distributed photovoltaics. After a large number of scattered micro-grids are connected to the distribution network, the operation control of the distribution network for a large number of scattered micro-grids is still a major technical difficulty.
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[0022] In order to make the technical means, creative features, goals and effects of the present invention easy to understand, the present invention will be further elaborated below in conjunction with specific illustrations. In the description of the present invention, it should be noted that unless otherwise specified and Limitation, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, it can also be a detachable connection, or an integral connection can be a mechanical connection or an electrical connection; it can be It can be directly connected, or indirectly connected through an intermediary, and can be connected internally between two components.
[0023] like Figure 1~6 As shown, a method for defining a distributed photovoltaic upscaling virtual equivalent power station based on grid structure and meteorological characteristics includes the following steps:
[0024] Step (1). Topolog...
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The invention provides a distributed photovoltaic upscale virtual equivalent power station definition method based on a power grid structure and meteorological characteristics, and the method comprises the following steps: (1), carrying out the topological partitioning based on the power grid structure; (2), carrying out the aggregation grouping based on the meteorological characteristics; and (3), carrying out the aggregation equivalence based on upscale: aiming at a distributed photovoltaic aggregation grouping result, the meteorological data of each distributed photovoltaic station is equivalent to the meteorological data of the virtual power station through adoption of an upscaling equivalent method, wherein the equivalent method is used for carrying out weighted average on the meteorological data of each station according to the installed capacity of each station. According to the method, the output characteristics of the distributed photovoltaic can be effectively mastered, the regulation and control complexity of the power grid for a large amount of distributed photovoltaic can be reduced, the state that the power grid lacks effective regulation and control management meansfor a large amount of distributed photovoltaic is changed, and the distributed photovoltaic is brought into unified dispatching management of the power grid.
Description
technical field [0001] The invention relates to the field of distributed photovoltaic virtual equivalent technology, in particular to a method for defining a distributed photovoltaic upscale virtual equivalent power station based on grid structure and meteorological characteristics. Background technique [0002] Distributed photovoltaic refers to the solar photovoltaic power generation system connected to the power grid on the medium and low voltage side. It is characterized by uncertain output, wide distribution and large quantity. These characteristics have brought new challenges to traditional power grid management and endangered power grid security. run. For the impact of distributed photovoltaics on the safe operation of distribution networks, it is generally proposed to use microgrid technology to solve the problem, that is, distributed photovoltaics, local loads and other distributed power sources together form a small autonomous system that can operate independently ...
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Login to View More IPC IPC(8): H02J3/00H02J3/38
CPCH02J3/00H02J3/381H02J2203/10H02J2203/20H02J2300/24Y02E10/56
Inventor 梅雪峰张引金鑫
Owner 梅雪峰