Active power distribution system source network load storage day-ahead active power scheduling method based on sequence operation

A technology of power distribution system and dispatching method, applied in the direction of energy storage, information technology support system, load forecasting in AC network, etc. And other issues

Pending Publication Date: 2021-04-13
THE ACAD OF TIANJIN UNIV HEFEI
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  • Application Information

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Problems solved by technology

However, the impact of distribution network dynamic network reconfiguration on system optimization operation is not considered, which reduces the applicability of the model
On the other hand, while considering the dynamic network reconfiguration of the distribution network, it has

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  • Active power distribution system source network load storage day-ahead active power scheduling method based on sequence operation
  • Active power distribution system source network load storage day-ahead active power scheduling method based on sequence operation
  • Active power distribution system source network load storage day-ahead active power scheduling method based on sequence operation

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Embodiment Construction

[0088] Such as figure 1 As shown, first, the present invention makes improvements to the problem that the dynamic network reconfiguration of the distribution network is not considered in the active power optimization operation of the above-mentioned active power distribution system, and the dynamic network reconfiguration, interruptible load reduction and energy storage system charging and discharging A variety of controllable resources are taken into account at the same time; second, the active power distribution system has the lowest comprehensive operating cost as the goal, and the active power distribution system is constructed. The probability model is discretized into a probabilistic sequence for power flow calculation, so as to solve the problem of uncertainty in the active power output and load of distributed renewable energy generation; third, the source network load active power storage of the active power distribution system with dynamic network reconstruction will b...

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Abstract

The invention discloses an active power distribution system source network load storage day-ahead active power scheduling method based on sequence operation, and the method comprises the steps: 1, carrying out the improvement of a problem that the dynamic network reconstruction of a power distribution network is not considered in the active power optimization operation of an active power distribution system; considering various controllable resources of dynamic network reconstruction, interruptible load reduction and energy storage system charging and discharging strategies at the same time; 2, taking the lowest day-ahead comprehensive operation cost of the active power distribution system as a target, constructing a source network load storage active power optimization scheduling model of the active power distribution system, and discretizing wind power, photovoltaic output and load prediction probability models into a probabilistic sequence to carry out load flow calculation, so that the problem of uncertainty of active output and load of distributed renewable energy power generation is solved; and 3, combining the active power distribution system source network load storage active power optimization scheduling model considering the dynamic network reconstruction with a firefly algorithm to complete the solution of the mixed integer programming problem.

Description

technical field [0001] The present invention relates to the technical field of distribution network operation, and in particular to a method for scheduling active power before the day of active power distribution system source network load storage based on sequence operation, which fully considers the characteristics of wind power, photovoltaic output and load prediction uncertainty, and is suitable for Develop active distribution system operation strategies that take uncertainty into account. Background technique [0002] At present, with the development of the economy and the unrestricted development of resources, the world is in a stage of massive energy consumption. The problem of energy shortage has become one of the focuses of all countries in the world. The development and utilization of renewable energy is an important way to alleviate the problem of energy shortage. means. The traditional distribution network cannot meet the access conditions of renewable energy an...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q30/02G06Q50/06H02J3/48H02J3/38H02J3/32H02J3/00G06N3/00
CPCG06Q10/0631G06Q30/0201G06Q30/0202G06Q50/06H02J3/48H02J3/381H02J3/32H02J3/003G06N3/006H02J2203/20H02J2300/24H02J2300/28Y04S10/50Y04S50/14Y02E10/56Y02E10/76Y02E70/30
Inventor 刘洪刘晋辰
Owner THE ACAD OF TIANJIN UNIV HEFEI
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