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Software and hardware integrated new energy power generation automatic grid-connected switch control system and method

A switch control system and new energy technology, applied in wind power generation, photovoltaic power generation, electrical components, etc., can solve problems such as life impact, achieve a small number of components, tolerate a large range of voltage drops in the power grid, and have precise software grid-connected control Effect

Active Publication Date: 2019-09-13
江苏启众讯亚通信科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the grid connection control is not timely or there are problems, it will have a great impact on life

Method used

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  • Software and hardware integrated new energy power generation automatic grid-connected switch control system and method
  • Software and hardware integrated new energy power generation automatic grid-connected switch control system and method
  • Software and hardware integrated new energy power generation automatic grid-connected switch control system and method

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Embodiment Construction

[0032] In order to clearly illustrate the technical features of the solution, the solution will be described below through specific implementation modes.

[0033] see Figure 1 to Figure 3 , the present invention is: an automatic grid-connected switch control system combining software and hardware for new energy power generation, which includes a hardware grid-connected control part and a software grid-connected control part;

[0034] The hardware grid-connected control part consists of a frequency detection circuit 1, a phase comparison circuit 2, an amplitude comparison circuit 3, a multi-channel operation comparison amplifier 4, a latch 5, a monostable multi-resonance oscillator 6, and a synchronous judgment AND gate A logic circuit 7 is formed to form a hardware grid-connected control circuit;

[0035] The software grid-connected control part is a software programmable phase-locked loop control circuit composed of a conditioning circuit 8 and a DSP controller 9; the softw...

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Abstract

The invention provides a software and hardware integrated new energy power generation automatic grid-connected switch control system and method, and belongs to the technical field of grid-connected switch control. The software and hardware integrated new energy power generation automatic grid-connected switch control system comprise a hardware grid-connected control part and a software grid-connected control part. The software and hardware integrated new energy power generation automatic grid-connected switch control system has the beneficial effects that grid-connected control of a new energypower generation system is effectively achieved under the condition of three-phase unbalance and harmonic of a three-phase power grid voltage.

Description

technical field [0001] The invention relates to the technical field of grid-connected switch control, in particular to an automatic grid-connected switch control system and method combining software and hardware for new energy power generation. Background technique [0002] With the development of the world and China's economy, the consumption of energy will increase sharply, so that our country will face the double pressure of environment and resources for a long time in the future. The academic and industrial circles will focus on clean and renewable solar energy and wind energy. A large number of technical research and relevant national policies are promoting the development and utilization of these energy sources. New energy power generation has the characteristics of great intermittency and uncontrollability. The large-scale centralized connection of wind farms to the grid mainly includes direct grid connection, step-down grid connection, quasi-synchronous grid connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/44H02J3/38
CPCH02J3/383H02J3/386H02J3/44Y02E10/56Y02E10/76
Inventor 朱建红顾菊平孟棒棒陈泽宇姚明伟曹书秀
Owner 江苏启众讯亚通信科技有限公司
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