Wind-light-diesel complementary AC/DC intelligent micro-grid system

A micro-grid and complementary technology, applied in wind power generation, photovoltaic power generation, current collectors, etc., can solve problems such as power abandonment loss, waste, and difficulty in power generation systems, so as to reduce conversion losses, save diesel fuel, and eliminate instability sexual effect
CN103532164AInactive Publication Date: 2014-01-22SHANGHAI WIND NEW ENERGY TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANGHAI WIND NEW ENERGY TECH
Publication Date
2014-01-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

A wind-light-diesel complementary AC / DC intelligent micro-grid system is composed of the following components: a wind power generating subsystem (1), a solar PV power generating subsystem (2), a diesel generator subsystem (3), an accumulator or super-capacitor energy storage subsystem (4), a converter subsystem (5), etc. The wind-light-diesel complementary AC / DC intelligent micro-grid system can stably supplies AC power and DC power. According to the wind-light-diesel complementary AC / DC intelligent micro-grid system, a novel complementary structure in which wind power and light power are used as main power and the power generated by the diesel engine is used as auxiliary power is used for establishing a micro-grid; and the total ratio of wind power and light power can exceed 80% and stable power supply can be realized. The wind-light-diesel complementary AC / DC intelligent micro-grid system is different from the traditional complementary system in which the power generated from diesel oil is used as main power and provides a new approach for settling a defect of instability in wind-and-light power integration, and is a novel system concept for the new energy arrangement electric grid.
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Description

field of invention

[0001] The invention belongs to the power generation, transformation or distribution of electric power in electricity, belongs to the technical field of conventional power generation and new energy power generation, and relates to new energy power generation, current conversion, power consumption and automatic control of power grids. , solar PV power generation and a composite micro-grid system composed of traditional diesel generators. Background technique

[0002] Since wind and solar new energy is an unstable natural energy, it will inevitably be affected by random fluctuations. Therefore, it will be criticized by the large power grid when it is connected to the grid, and the self-contained power generation system will be constrained by the price and performance of energy storage batteries. Complementary technology to reduce energy fluctuations. The current complementary power generation is mainly the two-complementary power generation system among the ...

Claims

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