Distributed power supply, energy storage and flexible load combined scheduling method and device

A distributed power supply and flexible load technology, applied in the direction of circuit devices, resources, electrical components, etc., can solve problems such as long computing time and insufficient scheduling capabilities
CN110210647AActive Publication Date: 2019-09-06STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +4
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
Publication Date
2019-09-06

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Abstract

The invention discloses a distributed power supply, energy storage and flexible load combined scheduling method and device. The distributed power supply, energy storage, flexible load and other distributed resources are numerous in number, dispersed in layout and difficult to be directly scheduled by a power grid; and a resource aggregator can execute a power grid scheduling instruction by internally integrating various distributed resources. Based on the operation mode of the resource aggregator, a combined scheduling model combining large-capacity resource direct scheduling and small-capacity resource electricity price response indirect scheduling is established. On the basis, with the maximum profit of the resource aggregator as an optimization target, rolling online evaluation is carried out on the large-capacity resource scheduling performance difference, and a dynamic comprehensive scheduling priority is set; for the uncertainty of indirect scheduling of small-capacity resources,an opportunity scheduling constraint containing fuzzy parameters is provided; and an improved particle swarm algorithm is adopted to clarify the fuzzy opportunity constraint and solve the schedulingmodel. Based on an IEEE33 node power distribution network, the effectiveness and scientificity of the proposed model and algorithm are verified.
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Description

technical field

[0001] The invention relates to a method and device for joint dispatching of distributed power sources, energy storage and flexible loads, and belongs to the technical field of power grid optimization operation. Background technique

[0002] For a long time, the power grid mainly meets the requirements of peak regulation and frequency regulation by dispatching the power source side (centralized power plant). With the massive access to new energy sources, the annual utilization hours of traditional power plants are forced to decline, and the pressure on power grid regulation increases sharply. The power grid has fallen into a vicious circle of increasing uncertainty and weakening regulation ability. An effective means to solve this dilemma is to cooperate with massive distributed resources to actively participate in power grid regulation, so that it can transform from a "heavy burden" of the power grid to a massive "participant" that supports the safe and eff...

Claims

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