Power grid transmission line ice melting scheme optimization method considering safety and stability constraints
A technology of safety and stability constraints and transmission lines, which is applied in the field of power grid transmission line ice melting scheme optimization, can solve problems such as time-consuming, insufficient safety and stability checks, and insufficient ice disaster decision-making ability, so as to improve arrangement efficiency and ensure safety and stability running effect
Pending Publication Date: 2022-08-02
GUIZHOU POWER GRID CO LTD
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide an optimization method for power grid transmission line ice melting scheme considering safety and stability constraints, so as to solve the problem of time-consuming decision-making process and insufficient safety and stability check in the existing grid power transmission line ice melting scheme arrangement Insufficient decision-making ability to deal with severe ice disasters
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[0069] The present invention considers the safety and stability constraints of the power grid transmission line ice-melting scheme optimization method generally divided into five steps: data preparation, model establishment and solution, safety and stability checking, adding safety and stability constraints, and result generation. The overall process includes:
[0070] Step 1. Data preparation
[0071] The data preparation part is mainly responsible for collecting and processing the data required for the optimal arrangement of the ice melting plan. The data involved in this part include: ice melting demand data, priority ice melting line data, similar daily power grid model data, power grid load forecast and power generation plan data , Ice-melting device data, etc.
[0072] Among them: the data of ice-covering demand refers to the line data that needs to be melted in the area of interest during the ice-melting plan period (usually 24 hours), and also includes line informati...
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The invention discloses a power grid power transmission line ice melting scheme optimization method considering safety and stability constraints, which comprises the following steps: acquiring and processing data required by ice melting scheme optimization, including ice melting demand data, preferential ice melting line data, similar day power grid model data, power grid load prediction and power generation plan data and ice melting device data; establishing an optimization model aiming at the ice melting scheme optimization problem, and then solving the optimization model; safety and stability checking is carried out based on power grid operation model data at a certain time point of a similar day; when the safety and stability check is not passed, adding a safety and stability constraint in the optimization model; a new round of optimization solution is carried out; if the result passes the safety and stability check, the optimization result meets the requirement, the calculation is stopped, and the result is generated; the problem that the decision-making capability for coping with severe ice disasters is insufficient due to the fact that the decision-making process is long in time consumption and safety and stability checking is insufficient in existing power grid transmission line ice melting scheme arrangement is solved.
Description
technical field [0001] The invention belongs to the ice melting technology of power transmission lines, and in particular relates to a method for optimizing the ice melting scheme of power grid transmission lines considering safety and stability constraints. Background technique [0002] Ice coating of transmission lines is a common phenomenon. If a large area of transmission lines is covered with ice, it will have a great impact on the security of the power grid, and it is a common disaster faced by the power grid. Deicing ice-coated transmission lines is a common and necessary means. Due to the need to shut down equipment such as lines during the ice melting process, which leads to a weak power grid structure, it is a very complicated process to arrange the ice melting sequence of many ice-covered lines. Analysis and discovery of possible security risks is one of the important tasks. [0003] At present, the entire decision-making process is almost entirely done manual...
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IPC IPC(8): G06F30/20G06Q10/04H02J3/00G06F113/04
CPCG06F30/20G06Q10/04H02J3/003G06F2113/04Y04S10/50
Inventor 曾华荣马覃峰黄晓旭马晓红杨旗殷蔚翎刘明顺曹杰吴建蓉古庭赟
Owner GUIZHOU POWER GRID CO LTD