Standby configuration optimization method adopting wind power system unit

A configuration optimization, wind power system technology, applied in wind power generation, single grid parallel feeding arrangement, etc., can solve the problems of power system economy and safety, etc.

Inactive Publication Date: 2014-07-30
HOHAI UNIV
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  • Abstract
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Problems solved by technology

[0008] After a large amount of wind power is connected to the power system, it is difficult to balance the economy and safety of the power system

Method used

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  • Standby configuration optimization method adopting wind power system unit
  • Standby configuration optimization method adopting wind power system unit
  • Standby configuration optimization method adopting wind power system unit

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Embodiment Construction

[0108] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.

[0109] figure 1 It is a flow chart of the method for optimizing the backup configuration of wind power system units. Such as figure 1 As shown, the present invention provides a backup configuration optimization method for wind power system units, which first uses the probability density function of wind power and load to estimate the two risk costs of power failure loss and wind curtailment loss under the expected positive and negative rotating reserve capacity; and...

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Abstract

The invention provides a standby configuration optimization method adopting a wind power system unit. The standby configuration optimization method provides a method for computing two risk costs including outage cost and wind curtailment cost under certain forward-reverse rotation spare capacity by utilizing an integral of a wind power and load joint probability density function, an optimum allocation method for allocating the total system forward-reverse rotation spare capacity to different coal consumption units, and a decision-making method comprehensively considering the risk costs and power generating cost, the total system forward-reverse rotation spare capacity when the power system performs most economical operation and power generating plans and spare allocation capacities of the units. The standby configuration optimization method is suitable for the power system accessed to a wind power plant, can make a decision on the total system forward-reverse rotation spare capacity giving consideration to the economical efficiency and safety and contribution plans and optimum forward-reverse rotation spare capacities of the units, meanwhile unit climbing constraint and network security constraint are considered for spare capacity allocation of the units, and completely available standby application provided by the units is ensured.

Description

technical field [0001] The invention belongs to the technical field of power system operation and scheduling, and in particular relates to a backup configuration optimization method including a wind power system. Background technique [0002] In recent years, with the continuous increase of wind power grid-connected capacity, wind power has become an important power source in the power system. Wind power generation has strong intermittent and random fluctuations. Large-scale wind power grid integration will bring severe challenges to the safe operation and economic dispatch of the power grid. Arranging sufficient spinning reserve capacity for the power system is the key to accommodate large-scale wind power and One of the main measures to reduce the risk of power grid operation. [0003] Sufficient spinning reserve can greatly reduce the risk of the power system, but excessive spinning reserve capacity will increase the cost of the system, so it is necessary to arrange the ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
CPCY02E10/76
Inventor 赵晋泉唐洁
Owner HOHAI UNIV
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