Energy management method capable of matching distributed power sources with loads
A distributed power supply and energy management technology, applied in the direction of electrical components, circuit devices, etc., can solve problems such as weak function of grid-connected inverters, influence of grid operation and management, input voltage limitation, etc., to improve stability and reliability , easy to monitor and manage, and alleviate the effect of peak power consumption
Inactive Publication Date: 2012-12-05
TIANJIN UNIV
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Problems solved by technology
However, there are still the following problems to be solved urgently in the utilization of distributed energy: 1) The existence of a large number of distributed renewable energy causes complex two-way power flow between the large power grid and various distributed power sources, which affects the operation of the power grid. 2) Distributed power generation has obvious uncertainties in power supply capacity and power quality due to the influence of regions and weather, and existing technologies and equipment cannot guarantee that these power energies will be fully utilized
[0003] An important reason for this situation is that the existing technologies and equipment for the utilization of renewable energy cannot fully meet the requirements of the smart grid
On the one hand, a large amount of distribute
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[0034] The working principle of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0035] Firstly, the core component used in the present invention-the power router is introduced.
[0036] see figure 1 , the hardware of the power router in this embodiment includes a control unit, a wireless module, a signal detection and power metering module, a switch array, and a router port, and also includes some wireless modules, Ethernet modules, human-machine interface modules, etc. (the Ethernet module and the man-machine interface module are not included in the necessary technical features of the power router of the present invention). The power port is divided into a special port for mains power and a common power port, the latter is used to connect the power supply port of the distributed power supply or the battery system. The control unit is connected with the wireless module, the Ethernet module, the human-machine interface ...
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The invention belongs to the technical field of smart power grids and relates to an energy management method capable of matching distributed power sources with loads. A device capable of achieving distributed power source grid-connected management and optimal matching operation of the distributed power sources and the loads is called as a power router. The method includes: a control unit connects an idle load port with a mains supply dedicated port, and when a load without a wireless communication function is connected to the power router through the load port, the mains supply is used for supplying power firstly, and a control unit is used for detecting operating characteristics of the load through signal detection and an energy measurement module; the control unit is used for performing matching analysis for each power source and the load, and a switch array module connecting the corresponding power source with the load for power supply; and when a specific distributed power source meets the requirements of simultaneous operation of a plurality of loads, the control unit controls the switch array module to connect the distributed power source and the corresponding loads for power supply. The energy management method is capable of optimally matching the power sources with the loads.
Description
technical field [0001] The invention relates to an energy management method capable of matching distributed power sources and loads, and belongs to the field of distributed renewable power utilization in smart grids. Background technique [0002] In the future smart grid, there will be a large number of distributed renewable energy sources (photovoltaic, wind power, fuel cells, etc.), which will be used to save energy, reduce emissions, and alleviate peak power consumption. However, there are still the following problems to be solved urgently in the utilization of distributed energy: 1) The existence of a large number of distributed renewable energy causes complex two-way power flow between the large power grid and various distributed power sources, which affects the operation of the power grid. 2) Due to the influence of regions and weather, distributed power generation has obvious uncertainties in power supply capacity and power quality, and existing technologies and equip...
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Inventor 刘迎澍周峰李冰杨凯新
Owner TIANJIN UNIV
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