Photovoltaic distributed power supply configuration method of power system before disaster
A distributed power supply and power system technology, applied in the direction of emergency treatment AC circuit layout, circuit devices, resources, etc., to achieve the effect of small sampling times, uniform sampling distribution, and improved flexibility
Pending Publication Date: 2022-06-10
WENZHOU ELECTRIC POWER BUREAU
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[0004] There are still many deficiencies in the generation of the existing clean energy distributed power output scenarios, which fail to fully consider the randomness of distributed power output and fail to combine power Before and during the disaster, the system takes a variety of effective measures to reduce the loss of system equipment and loads
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The invention discloses a method for configuring a photovoltaic distributed power supply of a power system before a disaster, which overcomes the defects in the prior art and comprises the following steps of: 1, constructing a random output model of a photovoltaic generator set, giving shape parameters and generating a photovoltaic distributed power supply output scene; 2, inputting power grid parameters, generating a line fault set, setting the total number of fault lines and the total number of distributed power supplies, and simulating the line state by adopting an enumeration method; step 3, performing load flow calculation analysis on each system state in the fault set; and 4, performing configuration node analysis, and determining the optimal configuration of the photovoltaic distributed power supply.
Description
technical field [0001] The invention relates to the technical field of power system security planning, in particular to a method for configuring photovoltaic distributed power sources in a pre-disaster power system. Background technique [0002] In modern power systems, ensuring high-quality, high-reliability power supply has always been the user's requirement for the power grid. With the continuous development of the power grid, higher requirements are put forward for the resilience of the power grid under extreme disasters. Frequent natural disasters in recent years have brought huge losses to power companies, highlighting the lack of preparation of the power system in the face of extreme events with low probability and high risk. In order to reduce the vulnerability of the power system to such events, the concept of resilient grid has been proposed and received widespread attention. [0003] In recent years, a large number of distributed generation (DG) has been connect...
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IPC IPC(8): H02J3/38H02J3/46H02J3/00G06Q10/06G06Q50/06
CPCH02J3/381H02J3/466H02J3/472H02J3/001G06Q10/06312G06Q10/06313G06Q50/06H02J2203/20H02J2203/10H02J2300/24
Inventor 马驹潘福荣李更丰赵深郭子黎刘家齐王星洁郑杨苏毅芳汤耀景李文轩陈鹏别朝红张鼎茂吴旭光
Owner WENZHOU ELECTRIC POWER BUREAU