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Views: 0 Author: Site Editor Publish Time: 2023-02-16 Origin: Site
The off grid inverters are used in independent systems. The photovoltaic array charges the battery, and the inverter uses the battery's DC voltage as its energy source. Generally, this kind of off grid inverter has no ability to touch the grid, so it does not need islanding effect protection function.
In life, where can we see off grid inverters?
What are the correct ways to use off grid inverters?
How to use the grid-connected inverter off-grid?
1. The off grid inverters are used for military and civilian life in remote areas without electricity, such as plateaus, islands, pastoral areas, border posts and other military and civilian life.
2. The off grid inverters are used in transportation fields such as navigation lights, traffic/railway signal lights, traffic warning/sign lights, street lights, high-altitude obstacle lights, highway/railway wireless phone booths,
Unattended road squad for power supply, etc.
3. The off grid inverters are used in communication/communication fields: unattended microwave relay stations, optical cable maintenance stations, etc.
4. The off grid inverters are used in wind and solar hybrid power stations: wind and solar (diesel) complementary power stations, various large parking lot charging stations, small family power stations, factories "small power stations, etc."
1. When installing off grid inverters, professional personnel or local dealers must assist in completing the installation.
2. When using an off grid inverter, confirm whether the input DC voltage range meets the requirements, that is, +15%, and whether the power source polarity is correct.
3. When using an off grid inverter, confirm the voltage level of the load equipment, and the power should not be greater than the rated output power of the inverter power supply.
4. Do not pour liquid into the off grid inverter, or wipe the machine shell with a damp cloth. The human body cannot directly touch the input and output terminals of the inverter power supply when the machine is running, especially with wet hands, otherwise it may cause electric shock.
5. If the working environment of the normal inverter power supply needs to be changed, the connection should not be changed by yourself, and the operation should be confirmed by professionals or dealers.
6. The operating environment of off grid inverters should be used in a well-ventilated environment with a temperature range of -20 to 45 degrees, and should be far away from open flames and direct sunlight. It is normal to have a certain amount of heat during use, but keep it installed Ventilation and heat dissipation of the environment, clean and clean, especially not to block the ventilation holes.
7. Minors are not allowed to use off grid inverters.
8. Confirm that the ground wire of the off grid inverter is reliably connected, the live wire and the neutral wire cannot be reversed, the wire diameter should meet the conditions for safe use, and the connection wire should be as short as possible.
The grid-connected inverter can be used directly as an off grid inverter.
The grid-connected inverter sends energy directly to the grid, so it needs to track the frequency and phase of the grid, which is equivalent to a current source.Of course, there are some inverters on the market that have low voltage ride-through capability, which can be used for PQ adjustment. The island network inverter corresponds to the construction of an independent small network, mainly to control its own voltage, which is a voltage source. Wired inverters do not require energy storage, but they cannot regulate energy. Whether they like it or not, as much photovoltaic power as possible is sent to the grid.
The use of off grid inverters is becoming more and more widespread. Shenzhen Sumry Electronics Co., Ltd.has been focused on off grid inverters for several years. They will make every effort to meet the needs of users.