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A tower elevator power supply method and an energy storage system based on the utilization of abandoned wind

A technology of energy storage system and power supply method, which is applied in the direction of wind power generation, electrical components, energy storage, etc., can solve the problems of not using the tower elevator energy storage system, save resources and economic costs, reduce the amount of abandoned air, and solve the problem of energy consumption. The effect of high power

Active Publication Date: 2018-12-18
XINJIANG UNIVERSITY
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Problems solved by technology

[0003] At present, energy storage devices installed in wind farms are mostly used to stabilize wind power fluctuations, or some micro-grids will be equipped with energy storage devices, but there is no energy storage system applied to tower elevators

Method used

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  • A tower elevator power supply method and an energy storage system based on the utilization of abandoned wind
  • A tower elevator power supply method and an energy storage system based on the utilization of abandoned wind
  • A tower elevator power supply method and an energy storage system based on the utilization of abandoned wind

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Embodiment 1

[0055] 1 power supply scheme

[0056] According to the two problems of the huge amount of abandoned wind in wind farms and the high power consumption of tower elevators, a power supply mode of "wind power abandoned wind power + energy storage compensation power = elevator power consumption" is proposed. When there is abandoned wind, use the abandoned wind to power the tower elevator; when there is no abandoned wind, use the energy storage system to power the tower elevator; when the amount of abandoned air is sufficient, the energy storage system is charged. Power supply mode such as figure 1 .

[0057] The tower elevator power supply mode based on the abandoned wind not only achieves the purpose of using the abandoned wind as the power supply for the tower elevator, but also solves the power supply of the tower elevator when there is no abandoned wind. Make full use of the abandoned wind to power the tower elevator and solve the problem of high power consumption of the towe...

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Abstract

The invention relates to the technical field of tower elevator power supply in wind farm, in particular to a tower elevator power supply method and an energy storage system based on the utilization ofdiscarded wind, which utilizes the discarded wind power quantity to supply power to the tower elevator and uses the energy storage system as a supplementary power supply mode of the tower elevator when the discarded wind is insufficient. In order to optimize the energy storage system, a model of tower elevator energy storage system is established, and genetic algorithm (GS) is used to optimize the energy storage configuration. Based on the actual statistical data of a wind farm in Xinjiang, the amount of wind power discarded from the wind farm and the power of tower elevator are calculated. The energy storage capacity and charge-discharge power are calculated by numerical examples, and the parameters of the energy storage system are optimized to minimize the operating cost of the energy storage system, which verifies the feasibility of the tower elevator power supply mode scheme based on waste wind utilization. The invention solves the problem of high power consumption of the tower elevator, and achieves the purpose of saving energy and protecting environment.

Description

technical field [0001] The invention relates to the technical field of power supply for tower elevators in wind farms, in particular to a power supply method and energy storage system for tower elevators based on abandoned wind utilization. Background technique [0002] At present, the earth's fossil energy is gradually exhausted, so the utilization of renewable energy is widely concerned at home and abroad. As a renewable energy, the installed capacity of wind power is continuously expanding. In order to ensure the safety of wind turbine maintenance and improve the efficiency of maintenance and inspection, many wind turbines have been equipped with tower elevators for wind turbine maintenance. However, the extra power consumption of the tower elevator requires the wind power plant to re-purchase power, which increases the cost of power generation. Behind the continuous growth of wind power, due to the constraints of the conventional power reserve capacity of the power grid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/28H02J3/32H02J3/00
CPCH02J3/386H02J3/008H02J3/28H02J3/32H02J2203/20Y02E70/30Y02E10/76
Inventor 谢丽蓉陈慧王智勇郭涛李进卫陈贵程继文李江晁勤
Owner XINJIANG UNIVERSITY
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