Smart micro-grid

A micro-grid, intelligent technology, applied in the field of micro-grid, can solve the problems of power outages, inability to provide ideal power supply in remote areas, and accidents easily spread.

Inactive Publication Date: 2013-10-30
ZHUHAI SINGYES GREEN BUILDING TECH +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Nowadays, centralized power transmission is generally adopted, that is, through large-scale thermal power generation or hydropower generation, and then through UHV and high-voltage transmission. Local accidents in the power grid are very easy to spread, resulting in large-scale power outages

Method used

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Embodiment Construction

[0016] specific implementation plan

[0017] According to the drawings, the smart microgrid includes power generation unit, power generation management system, energy storage unit, energy storage management system, client monitoring system, central control unit, remote monitoring system, and external access controller. Now take a residential area as an example to build a terminal smart micro-grid under a large power grid.

[0018] The power generation equipment is composed of solar photovoltaic power generation roof power station, small fan and gas turbine, and is connected to the distribution line of the user end through the inverter.

[0019] The energy storage unit is a lithium iron phosphate high-performance battery pack, which is also connected to the power distribution line at the user end through a bidirectional inverter.

[0020] User-side monitoring system The monitoring system is connected to the user-side distribution line.

[0021] The power generation management...

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Abstract

The invention provides a smart micro-grid and relates to a technology of micro-grids capable of utilizing renewable energy sources. At present, large power grids have some obvious defects, for example the large power grids cannot follow changes of load flexibly and cannot supply electric power to remote areas ideally, partial accidents in the large power grids are easy to spread, and accordingly large-area power failure is caused. The smart micro-grid is an independent controllable system and is composed of a power generation unit, a power generation managing system, an energy storage unit, an energy storage managing system, a client distribution circuit, a client monitoring system, a central control unit, a remote monitoring system and an external access controller. For the power generation end, the smart micro-grid can be connected with renewable energy source power generation units of various types, a client is used for power generation more, and loss in transmission is little. For the client, the client can react in a short time so as to meet the requirements of load in the smart micro-grid, and meanwhile the requirements of users for the power quality are met.

Description

technical field [0001] The invention belongs to the field of new energy, in particular to a micro-grid technology using renewable energy. . Background technique [0002] With the continuous shortage of energy supply worldwide and the increasing emphasis on environmental issues, the rational development and utilization of green energy has become an important issue, and renewable energy is the main way to solve future energy issues. Nowadays, centralized power transmission is generally adopted, that is, through large-scale thermal power generation or hydropower generation, and then through UHV and high-voltage transmission. Local accidents in the power grid are very easy to spread, resulting in large-scale power outages. However, new energy power generation is generally in the form of distributed power generation, which is very close to end users. Usually, the capacity is small, and it can be used for isolated power supply or grid connection. At the same time, the combinatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32
CPCY02E70/30
Inventor 周乾
Owner ZHUHAI SINGYES GREEN BUILDING TECH
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