A method for optimizing the operation of an optical storage system taking into account the benefit of voltage regulating auxiliary service

A technology of optical storage system and auxiliary service, applied in the direction of information technology support system, power network operating system integration, calculation, etc., can solve the problems of increasing system network loss, unable to effectively solve the problem of high penetration clean energy and high voltage

Active Publication Date: 2019-01-04
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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Problems solved by technology

The on-load adjustment of transformer taps cannot fundamentally solve the voltage limit caused by insufficient reactive power of the system. Reactive power compensation devices such as shunt reactors and static synchronous compensators ...

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  • A method for optimizing the operation of an optical storage system taking into account the benefit of voltage regulating auxiliary service
  • A method for optimizing the operation of an optical storage system taking into account the benefit of voltage regulating auxiliary service
  • A method for optimizing the operation of an optical storage system taking into account the benefit of voltage regulating auxiliary service

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Embodiment Construction

[0054] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0055] A method for optimizing the operation of a photovoltaic storage system taking into account the benefits of voltage regulation auxiliary services, comprising the following steps:

[0056] S1 gives the topological structure of the optical storage system and the flexible grid-connected operation mode: the flexible grid-connected operation mode of the optical storage system PESS is as follows figure 1 As shown, the photovoltaic power generation unit and the ...

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Abstract

The invention discloses an optimized operation method of an optical storage system considering the auxiliary service income of voltage regulation, which comprises the following steps: S1, a topological structure of the optical storage system and a flexible grid-connected operation mode are given; S2 integrates the power-on-grid revenue, auxiliary service revenue, power purchase cost, loss cost andoperation constraints, and constructs an optimal operation model aiming at maximizing the economic revenue of optical storage system; S3 To solve the continuous multi-stage global active and reactivepower bi-decision problem of optical storage system, a multi-dimensional dynamic programming algorithm is used to solve the optimal operation model of optical storage system. Compared with the traditional method, the optical storage system can actively respond to the voltage regulation auxiliary service price incentive, thus obtaining higher economic benefit, and effectively solving the problem that the voltage of the distribution network exceeds the limit.

Description

technical field [0001] The invention relates to a method for optimizing the operation of an optical storage system taking into account the benefits of voltage regulation auxiliary services, and belongs to the technical field of optimal operation of distribution networks. Background technique [0002] The distribution network, especially the cable distribution network, has a relatively large impedance ratio R / X, and the distribution of active / reactive power flow will have a great impact on the node voltage. question. Distributed generation (distributed generator, DG) represented by photovoltaics has an increasing penetration rate in the distribution network. Conventional DG grid connection only outputs active power. This "rigid" grid connection method further exacerbates the problem of high voltage in the distribution network. [0003] Conventional means to solve the problem of high voltage distribution network include regulating transformer taps, shunt reactors and static s...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02J3/32H02J3/16G06Q10/06G06Q50/06
CPCH02J3/383H02J3/16H02J3/32G06Q10/06312G06Q50/06H02J2310/64H02J2203/20Y02E70/30Y02A30/60Y02E10/56Y04S20/222Y02E40/30Y02B70/3225
Inventor 严锋葛乐张雪峰周小勇郁海彭汤俊孙巍孙川黄梅
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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