Combined type power stabilizing system based on super-capacitor and high-capacity energy storing device
An energy storage device and supercapacitor technology, applied in wind power generation, energy storage, single-network parallel feed arrangement, etc., can solve problems such as high cost, wind power fluctuations cannot be effectively solved, and fast power stabilization cannot be achieved, so as to reduce The effect of massive consumption and loss of electric energy, improvement of power supply quality, and reduction of construction difficulty
Inactive Publication Date: 2012-12-19
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology
[0004] Nowadays, there are various wind power energy storage devices, such as: pumped water storage, compressed air energy storage, electromagnetic energy storage, etc. These energy storage methods have solved the problem of resource waste caused by the anti-peaking characteristics of wind power, but these The adjustment of wind power by large-capacity energy storage devices is greatly affected by the intermittency of wind energy and the unbalanced spatial distribution, and it cannot quickly stabilize the power. The fluctuation of wind power has not been effectively solved. scheme, but the cost is too high to be practically applied, and the biggest obstacle to wind power grid integration still exists
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[0024] The preferred embodiments will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.
[0025] figure 1 It is a schematic diagram of the application structure of a combined power stabilization system based on a supercapacitor and a large-capacity energy storage device provided by the present invention. figure 1 Among them, a combined power stabilization system based on a supercapacitor and a large-capacity energy storage device includes a supercapacitor energy storage device, a large-capacity energy storage device, and a wind field output power detection unit; connected to the grid; the supercapacitor energy storage device is connected to the wind turbine and the grid as an internal facility of the wind farm; the large-capacity energy storage device is connected to the wind turbine and the grid respectiv...
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The invention discloses a combined type power stabilizing system based on a super-capacitor and a high-capacity energy storing device in the field of power stabilizing system design. The technical scheme includes that the combined type power stabilizing system based on the super-capacitor and the high-capacity energy storing device comprises a super-capacitance energy storing device, the high-capacity energy storing device and a wind field output power detection unit, wherein the wind field output power detection unit is respectively connected with a wind field and a power grid, the super-capacitance energy storing device is communicated with a wind-driven generator and is connected with the power grid through the wind field output power detection unit, and the high-capacity energy storing device is communicated with the wind-driven generator and is connected with the power grid through the wind field output power detection unit. The combined type power stabilizing system has the advantages that wind energy is stored in an atmospheric pressure energy form, the super-capacitor is used for coordinated control, the problem of large wind power fluctuation is solved, and economic benefit of the combined type power stabilizing system is greatly improved.
Description
technical field [0001] The invention belongs to the field of power stabilization system design, in particular to a combined power stabilization system based on a supercapacitor and a large-capacity energy storage device. Background technique [0002] Wind power has now become recognized as a clean energy that can be developed on a large scale. To reduce the carbon emissions of the power grid, it is necessary to vigorously develop wind power. However, the characteristics of wind power generation are intermittent and unstable. In order to ensure the effective use of wind energy resources, large-capacity energy storage devices are installed in wind farms to store wind power. When wind power generation fluctuates rapidly due to the influence of wind speed, the large-capacity energy storage device obviously cannot complete the rapid adjustment function, and cannot meet the requirements of stabilizing fluctuations, which in turn affects the power quality of the grid and causes har...
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IPC IPC(8): H02J3/28H02J3/38
CPCY02E10/763Y02E70/30Y02E10/766Y02E10/76
Inventor 姜彤王静然马娴陈伟丽毕经天
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)