Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters

A current source type, hybrid power generation technology, applied in the fields of power electronics, new energy power generation, and electrical engineering, to achieve the effects of maximum power tracking control optimization, direct control, and efficiency optimization

Inactive Publication Date: 2012-08-22
SOUTHEAST UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

(3) The contradiction between the ever-increasing demand for electricity and the shortage of power supply
[0006] There are several key technical difficulties: (1) Traditional wind and solar hybrid power generation systems are connected in parallel on the AC side of the po

Method used

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  • Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters
  • Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters
  • Wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters

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Embodiment Construction

[0019] A wind, light, and superconducting magnetic energy storage hybrid power generation system based on a current source inverter, including: a wind turbine 6, a motor-side current source inverter 5 respectively connected to the three-phase output of the wind turbine 6, and a photovoltaic cell The board 9, the unidirectional power boost converter 8, the voltage / current converter 7, and the current source grid-connected inverter 2, and the grid-connected inductor is connected to the output end of the current source grid-connected inverter 2 1. The output terminal of the photovoltaic panel 9 is connected to the input terminal of the one-way power boost converter 8, and the output terminal of the one-way power boost converter 8 is connected to the input terminal of the voltage / current converter 7. A first superconducting magnetic coil 3 and a second superconducting magnetic coil 4 are provided between the side current source inverter 5, the voltage / current converter 7 and the cur...

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Abstract

The invention relates to a wind, light and superconducting magnetic energy storage hybrid power generation system based on current-source inverters. The wind, light and superconducting magnetic energy storage hybrid power generation system comprises a fan 6, a motor-side current-source inverter 5 connected with the fan 6, a photovoltaic (PV) cell panel 9, a unidirectional power booster converter 8, a voltage/current converter 7, a first superconducting magnetic coil 3, a second superconducting magnetic coil 4, a current-source grid-connected inverter 2 and a grid-connected inductor 1. The direct current (DC) side of a motor-side converter of a wind power generation system, the DC side of a PV-side converter of a PV power generation system and superconducting magnetic-energy-storage superconducting magnetic coils are in series connection together and share the current-source grid-connected inverter at a grid side. A superconducting magnetic energy storage system, the wind power generation system and the PV system are effectively integrated at the DC side, the superconducting magnetic coil at the DC side can store energy, the unstable output power of wind power generation and PV power generation caused by natural conditions can be smoothened, and the wind, light and superconducting magnetic energy storage hybrid power generation system based on the current-source inverters has a good current-limiting function when an electric grid is subjected to short-circuit fault.

Description

Technical field [0001] The invention is a wind, light, and superconducting magnetic energy storage hybrid power generation system structure based on a current source inverter, and belongs to the technical field of electrician, power electronics, and new energy power generation. Background technique [0002] Distributed power generation based on renewable energy is rapidly developing globally. The reasons are as follows: (1) Traditional energy sources such as coal will produce carbon oxides, causing environmental pollution and the greenhouse effect. (2) The open power market will allow more power suppliers to participate in power grid bidding. (3) The contradiction between the increasing demand for electricity and the shortage of power supply. This is particularly prominent in developing countries such as China and India. Compared with the growth rate of traditional energy sources such as coal, the annual growth rate of renewable energy in the past few years has exceeded 30%, wh...

Claims

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Application Information

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IPC IPC(8): H02J3/38
CPCY02E40/60Y02E10/563Y02E10/56
Inventor 王政程明范守婷郑杨
Owner SOUTHEAST UNIV
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