Family flexible power supply system based on new energy and mains power supply

A technology of power supply system and new energy, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems of mutual independence, affecting the promotion of new energy, and unable to meet the requirements of diverse power sources in household power supply systems.

Pending Publication Date: 2018-07-27
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This power supply method cannot meet the requirements for diverse power sources in the home power supply system because the new energy power and the mains power are not independent of each other.
In addition, due to the different requirements of household loads on power quality, the above-mentioned power supply methods cannot solve the problem of choo

Method used

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  • Family flexible power supply system based on new energy and mains power supply
  • Family flexible power supply system based on new energy and mains power supply
  • Family flexible power supply system based on new energy and mains power supply

Examples

Experimental program
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Effect test

Embodiment 1

[0039] combine figure 1 As shown, a flexible home power supply system based on new energy and mains power supply, including a power controller, several load controllers, a No. 1 live line L1, a No. 2 live line L2, a neutral line N and a ground line e.

[0040] The function of the power controller is to select the type of power access, such as new energy power access or mains power access. The power controller can also choose whether the power access is through the No. 1 live line L1 or the No. 2 live line L2 .

[0041] The new energy electric energy in the embodiment of the present invention includes wind energy or solar energy.

[0042] The necessity of the two live wires in this embodiment is explained below:

[0043] If there is only one fire wire in the household power supply system, since the new energy power and the mains power are independent of each other in the embodiment of the present invention, only one of them can be selected for power supply.

[0044] Since h...

Embodiment 2

[0101] Embodiment 2 describes a household load access control method based on new energy and mains power supply. The control method is based on the home flexible power supply system based on new energy and mains power supply in Embodiment 1 above.

[0102] Specifically, the household load access control method based on new energy and mains power supply includes the following steps:

[0103] s1. According to the characteristics of the load itself and the requirements of the load on the power supply during operation, the household load is divided into four categories, namely A, B, C and D; among them;

[0104] Class A loads are household loads that require high power supply quality and are not frequently used;

[0105] Class B loads are household loads that need to run for a long time;

[0106] Class C loads are household loads of electric water heaters;

[0107] Class D loads are household loads with small loads during standby but large loads during operation.

[0108] There...

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PUM

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Abstract

The invention discloses a family flexible power supply system based on new energy and mains power supply. The system comprises a power supply controller, a plurality of load controllers of a same structure, a first live wire and a second live wire. A first control switch unit of the power supply controller is composed of four switches, the selective access of new energy electricity and mains electricity can be achieved through the four switches, and the accessed electricity can also be selectively transmitted by the first live wire or the second live wire. Each load controller is connected tothe first live wire and the second live wire at the same time, a second control switch unit of each load controller consists of two switches, the electricity can be selectively received from the firstlive wire or the second live wire through every two switches, and of course, the load controllers can also preferably adopt electricity for power supply according to the type of a current load. By means of the system, the two-way selection between a power supply and a household load is achieved, and the power supply flexibility and reliability are high.

Description

technical field [0001] The invention relates to a family flexible power supply system based on new energy and mains power supply. Background technique [0002] With the rapid development of new energy power generation technology, more and more new energy sources such as wind and light are connected to the home power supply system, forming a home microgrid. However, the current new energy access control equipment only connects the new energy power and the mains power together, and then supplies power to the household load through a live wire. This power supply method cannot meet the requirements for diverse power sources in the home power supply system because the new energy power and the mains power are not independent of each other. In addition, since household loads have different requirements on power quality, the above-mentioned power supply method cannot solve the problem of selecting the type of power access for different household loads. In addition, since the new e...

Claims

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Application Information

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IPC IPC(8): H02J3/00
CPCH02J2300/28H02J2300/22H02J3/007H02J2300/20H02J3/381Y02A30/60
Inventor 于越
Owner SHANDONG UNIV OF SCI & TECH
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