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Off-grid inverter and the difference and features of grid inverter

by:Fangpusun     2020-04-23
inverter' target='_blank'>Off-grid inverter off-grid inverter adopts the module components of the complete system solutions Xantrex XW consists of a number of building blocks for the construction of manageable: XW inverter/charger, solar charge controller, automatic generator starting module, as well as the system control panel. General component is grid inverter grid inverter grid-connected photovoltaic grid-connected inverter, wind grid-connected inverter, power equipment, inverter and other inverter grid-connected power generation equipment. The biggest characteristic of grid inverter is system of high power, low cost. Grid inverter with large photovoltaic power station is commonly used in system, many parallel photovoltaic group of string is connected to a single centralized inverter dc input, the use of the general power three-phase IGBT power modules, the use of smaller power field effect transistor, at the same time using DSP conversion controller to improve the quality of the output power, making it very close to the sine wave current. How to distinguish between the grid inverter and off-grid inverter first photovoltaic inverter, also known as photovoltaic inverter power supply regulator based on inverter in jiaotong university of distributed photovoltaic system USES blue sky we can be divided into independent model ( Off-grid type) And grid type two kinds, the two types of classification is the use of photovoltaic power generation system, can don't have to dig in, only need to know the jiaotong university blue sky photovoltaic power generation is based on pv systems can be divided into the two different purposes. Off-grid inverter and the difference between the grid inverter and the second is based on the waveform of the inverter itself characteristics modulation mode can be divided into square wave inverter, staircase inverter, inverter sine wave and combined three-phase inverter, which is produced by jiaotong university blue sky factory will differentiate waveform of the inverter itself. Off-grid inverter and the difference between the grid inverter and characteristics of the third according to used in jiaotong university grid-connected photovoltaic (pv) system in the blue sky to classification can be divided into transformer type inverter and transformer type inverter. The mainly from different grid systems require a classification of photovoltaic inverter. Off-grid inverter and the differences and features of grid inverter grid inverter and off-grid inverter both off-grid inverter and the difference between a single grid inverter there is no essential difference from the appearance, focuses on 'core', which is the difference between the inverter itself the function, individual inverter manufacturers will not rule out some of the unique appearance design, or make a contrast from the function in the form of graphic so better understanding. Grid inverter grid inverter the biggest difference is that don't do any of the storage battery, pass through solar panels generate dc inverter directly convert alternating current (ac) and direct to the public network, but also has a certain threshold is to comply with relevant local power grid safety and policy, or is unable to provide interconnection. Grid inverter principle diagram off-grid inverter and the differences and features of grid inverter off-grid inverter off-grid inverter as the name suggests is out of the system of public power grid, will be to the solar panels first direct current (dc) is stored in the storage battery, again by the battery to the inverter within the off-grid inverter is alternating current (ac), can be directly used to load, can also be returned to the storage battery, for which there is no electricity network coverage in remote areas, such as: desert, plateau, deep forest belt is used, can provide electricity demand anytime and anywhere.
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