Dyness Knowledge | How to Design a Home Energy Storage System

With the improvement of people's living standards, the degree of household electrification is also increasing, and the demand for electricity is also increasing accordingly. This situation is particularly significant overseas. The impact of the energy crisis and electricity demand may include power outages caused by energy shortages, rising energy prices, unstable energy supply and other issues. Therefore, more and more overseas households are beginning to pay attention to energy storage systems to ensure their own electricity needs and reduce electricity costs. This article will introduce the basic concepts of home energy storage systems and how to design a basic home storage system.

Home energy storage systems can store users' excess photovoltaic energy and release it when needed to achieve peak-cutting and valley-filling, and improve power quality. Home energy storage systems usually consist of photovoltaic components, energy storage batteries, energy storage inverters, grid-connected and metering equipment, public grids, household loads and important loads. Can be linked with smart home systems to achieve automated management.

The general working principle of home energy storage is:

• When there is sufficient light, PV energy is supplied to the load first, and the household load consumes the photovoltaic power generation to the maximum extent, and the remaining power will be stored by the energy storage battery; when the light is insufficient, the battery supplements the power to the load. After household load consumption is met and the battery is fully charged, the remaining power is fed to the grid.
• When there is no sunlight, the energy storage battery is inverted into AC power through the inverter for use by the load.
• When the battery cannot meet the power demand of the load, the power grid will supplement the power for the load.

Designing a home energy storage system requires considering factors such as the home's energy needs, the use of renewable energy, the selection and installation location of energy storage equipment. Here are the general steps for designing a home energy storage system.

• Understand the household electricity demand: First, you need to understand the household electricity demand, including household electricity consumption (household users can obtain relevant information based on their own electricity bills). The distribution of electricity consumption time, the main purpose of installing energy storage (whether it is for self-use or emergency energy), etc.
• Installation location selection: Based on the characteristics of the energy storage device and the layout of the home (including the size of the roof of the house, indoor or outdoor installation space). Choose the appropriate installation location to design the entire energy storage system.
• System design and layout: Design the layout and connection method of the energy storage system, including the connection and arrangement of energy storage equipment, inverters, charge controllers and other equipment.
• Safety considerations: When designing a home energy storage system, safety factors need to be considered, including fire protection, waterproofing, lightning protection and other safety measures.
• System monitoring and management: When designing a home energy storage system, the monitoring and management functions of the system need to be considered, including real-time monitoring of energy storage and usage, and remote management functions.
• System maintenance and upkeep: When designing a home energy storage system, the maintenance and upkeep needs of the system need to be considered, including regular inspections of equipment status, cleaning equipment, battery replacement and other maintenance work. This cost needs to be factored into the design cost in advance.

When designing a home energy storage system, it is necessary to comprehensively consider the above factors and carry out customized design according to the actual situation of the home to achieve the best energy storage and utilization effects and give users an optimal product experience.

Author: Fred

Dyness Digital Energy Technology Co., LTD

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