Classification of home energy storage equipment
Nov 09,2021
Home energy storage equipment is classified according to the coupling mode, whether it is connected to the grid and the degree of integration:
Classified by coupling mode:
Dc coupling system: hybrid inverter, both photovoltaic and energy storage inverter functions, high degree of system integration, high post-installation efficiency, more suitable for optical storage incremental market.
Ac coupled system: no need to change the existing Settings and grid-connected inverters, only need to add energy storage batteries and energy storage converters, suitable for existing photovoltaic systems to install energy storage.
Classified by whether it is connected to the grid:
Grid-connected system: the surplus electricity can be subsidized online, and it is convenient to purchase electricity from the grid when the power is insufficient.
Off-grid system: no connection with the power grid, suitable for remote ungrid areas such as islands or unstable power grids.
Classification by degree of integration:
Split machine: Separately sell batteries and inverters, easy to expand, flexible configuration, currently occupy the main market.
All-in-one: battery and inverter integrated design, high degree of integration, high price, but easy to install, can save installation costs, low life cycle cost in the context of high overseas labor costs, the future proportion is expected to increase.
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