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DC energy router with multiple input ends

A router and multi-input technology, applied in the field of DC energy routers, can solve problems such as portability, poor scalability, inability to provide a unified interface, and inflexible control

Pending Publication Date: 2018-01-16
HUNAN LINENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Distributed power generation equipment, power loads, and the grid are directly connected to the router. The router is highly integrated and can meet specific needs, but at the same time, there are problems such as inconsistent input interfaces, poor portability, and unfavorable expansion. It is difficult to adapt to the flexible microgrid. control requirements
[0004] Although the existing technology can solve the access problem of various distributed energy sources, but at the same time, the control is not flexible enough, a unified interface cannot be provided, the portability and scalability are poor, and the power flow distribution of the microgrid cannot be dynamically controlled. question

Method used

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  • DC energy router with multiple input ends
  • DC energy router with multiple input ends
  • DC energy router with multiple input ends

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0132] Embodiment 1: as Figure 1~4 , the DC energy router of the present invention includes 2 routing boxes and a DC bus bar, the routing box is composed of 3 independent routing channels, and can be connected to 3 different DC micro power sources, such as figure 2 As shown, the DC energy routing cabinet is connected to 6 different DC micro power sources. The routing channel circuit (ie router unit) such as figure 1 Shown, including the main circuit, drive circuit, data acquisition controller, relay protection controller and ARM controller (ie communication controller). The routing box also includes an independent power supply circuit.

[0133] The data acquisition controller is connected with the voltage transmitter HPT (i.e. the first voltage detection circuit and the second voltage detection circuit) and the current transmitter HCT (i.e. the current feedback circuit) of the main circuit, and the data acquisition controller is also connected with the drive The circuit, ...

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PUM

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Abstract

The present invention discloses a DC energy router with multiple input ends. The DC energy router comprises at least one router set, each set of routers comprises n router units, and n is not less than 2 and is a natural number. Each router unit comprises a main circuit, the router sets are equipped with the driving circuits and the control circuits, and the main circuits comprise the input ports,the buck conversion circuits and the output ports. The input ports are used to connect an external DC micro-power supply, the output ports are used to connect an external DC bus, and the buck conversion circuits are driven by the driving circuits and are controlled by the control circuits. The DC energy router with multiple input ends is easy to implement, and can switch multiple energy input intelligently.

Description

technical field [0001] The invention relates to a DC energy router with multiple input terminals. Background technique [0002] The existing DC micro-grid consists of DC micro-power sources, energy storage devices, loads, etc. DC micro-power sources include distributed energy sources such as wind power, solar energy, and fuel cells. There are many types, and they are intermittent and random. The output voltage There are problems of instability and inconsistent voltage levels, and various DC energy sources cannot be directly collected, and it is impossible to implement unified deployment control for each DC energy source. The current common solution is that each distributed energy source is connected to the DC bus through the DC / DC conversion of the voltage of the power electronic conversion device, and the DC bus provides power for AC and DC loads of different voltage levels through the power electronic conversion device. Voltage and power are regulated by individual micro-...

Claims

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Application Information

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IPC IPC(8): H02J1/10H02J1/12
Inventor 张航吕新春鲁纯
Owner HUNAN LINENG TECH
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