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Power spring application system based on power control and control method thereof

A technology of electric springs and application systems, applied in the direction of reducing/preventing power oscillation, wind power generation, electrical components, etc., can solve the problems of containing toxic materials, high maintenance costs, low reliability, etc., and achieve broad application prospects and high practicability , the effect of fewer energy storage units

Active Publication Date: 2017-10-03
SOUTHEAST UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

But when the fluctuation of output power is huge, the ESS required will also be huge
At the same time, the batteries used not only contain toxic materials, but also have low reliability and high maintenance costs

Method used

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  • Power spring application system based on power control and control method thereof
  • Power spring application system based on power control and control method thereof
  • Power spring application system based on power control and control method thereof

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0028] The invention provides an electric spring application system based on power control and its control method. Aiming at the problem of voltage and power fluctuations of the microgrid caused by the instability of the output power of new energy generation, a power spring application system based on power control and its control method are proposed. The control technology can transfer the fluctuation of the new energy generation voltage and its power to the electric spring device and non-critical loads, so as to ensure the stability of the voltage and power on the critical loads.

[0029] like figure 1 Shown, a kind of electric spring application system based on power control and its control method, described electric spring application system includes traditional power generation output voltage source v G 、 Line resistance R 1 , line in...

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Abstract

The invention relates to a power spring application system based on power control and a control method thereof. The power spring application system comprises a conventional power generation output voltage source vG, a line resistor R1, a line inductor L1, a key load ZC, a non-key load ZNC, a single-phase power spring system and an analog new energy power generation grid-connected inverter system. Aiming at the problem of voltage and power fluctuation of a micro grid, which are caused by instability of output power of new energy power generation, the invention discloses the power spring application system based on power control and a control technology thereof, so that fluctuation of the new energy power generation voltage and power can be transferred to a power spring device and the non-key load, thereby ensuring stability of the voltage and the power on the key load. The power spring application system and the control method thereof, which are disclosed by the invention, are high in practical value, easy to popularize; in a place where the key load is positioned, stability of the voltage and the power of such key load can be effectively kept, so that electric energy quality of the key load is improved.

Description

technical field [0001] The invention relates to the application field of power electronics in power systems, in particular to a power control-based power spring application system and a control method thereof. Background technique [0002] In today's world, the energy crisis and environmental pollution problems are becoming more and more prominent, and the development of new energy has been put on the agenda of all countries. Therefore, in recent years, new energy power generation technology has been continuously improved, especially the wind power industry is advancing by leaps and bounds. Compared with the large power grid, the microgrid is a new power generation and distribution system established by integrating various distributed power generation resources through various smart devices. It is an autonomous system that can realize self-control, protection and management. It can run in parallel with the external power grid or in isolation. However, due to the randomness...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/12H02J3/24H02J3/38
CPCH02J3/12H02J3/24H02J3/386Y02E10/76
Inventor 王青松左武坚程明
Owner SOUTHEAST UNIV
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