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Household energy-saving power system and small-region power supply system

A technology of power consumption system and power supply system, applied in electrical components, energy reserves, circuit devices, etc., can solve the problems of low comprehensive utilization rate of power generation equipment and high electricity bills for users' peak electricity consumption, achieve great economic value and social significance, and satisfy Electricity demand and the effect of reducing electricity cost

Inactive Publication Date: 2018-06-29
CHANGZHOU INST OF LIGHT IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the problems in the prior art that the comprehensive utilization rate of power generation equipment is low and the electricity bill of users is high due to the unbalanced power consumption during the day and night, and researches and designs a kind of electricity consumption cost for users that is low and can assist the country. Household energy-saving electricity system and small-area power supply system for peak-shaving of the power grid

Method used

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  • Household energy-saving power system and small-region power supply system
  • Household energy-saving power system and small-region power supply system
  • Household energy-saving power system and small-region power supply system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 The household energy-saving power consumption system shown includes: a controller 1, a battery pack 2, and an inverter 3. The controller 1 is connected to the mains power grid, and controls the battery pack 2 when it detects that the power on the mains grid is valley power. Power off from the mains power grid and store it, the battery pack 2 is connected to the inverter 3, and the inverter 3 is connected to the user load 5, when the power on the mains power grid is peak power, the electric energy stored in the battery pack 2 passes through the inverter 3 will be converted into the alternating current required by the user load 5 to meet the user's electricity demand.

[0025] Specifically, when the power consumption is low, that is, the mains power grid is the valley power, the controller 1 controls the battery pack 2 to charge, stores the electric energy first, and controls the switch K to close, and the household refrigerator light user load 5 uses the...

Embodiment 2

[0029] Such as figure 2 The shown household energy-saving power consumption system, on the basis of Embodiment 1, this embodiment also has a solar cell 4, and the solar cell 4 combined with the battery pack 2 can jointly meet the power consumption of the user's load 5 when the mains grid is at peak power. need.

[0030] It is also possible to replace the solar cell 4 with a wind power generation system 6 to combine with the storage battery pack 2 to meet the user's power demand of the user's load 5 when the mains power grid is at peak power.

[0031] The controller 1 should control the solar battery 4 and the wind power generation system 6 with better economic benefits to give priority to supplying power to the user load 5 .

[0032] Such as image 3 The small-area power supply system shown includes a plurality of regional users, and some or all of the users have the household energy-saving power consumption system described in claim 1. When the controller 1 detects that th...

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Abstract

The invention relates to the technical field of power supply, and discloses a household energy-saving power system. The system comprises a controller, a battery pack and an inverter. The controller isconnected with a commercial power grid. When detecting that the power of the commercial power grid is at valley, the controller makes the battery pack take power from the commercial power grid and store the power. When the power of the commercial power grid is at peak, the power stored in the battery pack is converted by the inverter into AC power required by user loads to satisfy the power demand of users. A small-region power supply system is further disclosed. The small-region power supply system comprises a plurality of regional users, all or part of which are equipped with the householdenergy-saving power system. When the controller detects that the power of the commercial power grid is at valley, the battery packs in the homes of users store power; and when the controller detects that the power of the commercial power grid is at peak, the battery packs in the homes of users convert the power into AC power through the inverters and transmit the AC power to a regional power grid.Only the valley power of the commercial power grid is used. Power fare is saved, and a peak shaving effect is achieved on the state grid.

Description

technical field [0001] The invention relates to the technical field of electric power supply, in particular to a household energy-saving power consumption system and a small-area power supply system that can play a role in peak regulation for the national grid. Background technique [0002] The State Grid supplies power to users to meet the needs of production and life. During the day, the power consumption is large, and the power generation equipment needs to be operated at a high load to meet the power consumption needs of users. At night, the power consumption is low, which will cause the power generation equipment to be idle. This leads to low comprehensive utilization of power generation equipment. For example, hydroelectric power stations, when electricity consumption is low at night, the dam has to store a high amount of water, which greatly increases the cost of building the dam. Due to the unbalanced power consumption, the peak power provided by the State Grid duri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H02J3/38
CPCH02J3/382H02J3/32Y02E70/30
Inventor 陈晓林
Owner CHANGZHOU INST OF LIGHT IND TECH