UPS power supply is a kind of uninterruptible power supply containing energy storage device, with inverter as an important part of the composition of the voltage and frequency stabilization, UPS can ensure the continuity of the output power supply when the utility power supply is interrupted. The finished UPS power supply has a built-in inverter device, which boosts the low-voltage current to the utility standard to drive the equipment. However, the UPS power supply is charged and discharged through a socket.
Inverter: The inverter is a device that converts DC power into AC power (generally 220V, 50Hz sine wave). It consists of an inverter bridge, control logic and filter circuit. Common electronic devices in daily life contain more or less inverter circuitry inside, because it is integrated in the circuit to drive the device, we do not feel the presence of the inverter when using.
The appliances that can be used after converting low-voltage power to utility standard through inverter are: cell phone, notebook computer, digital camera, camera, lighting, electric shaver, CD player, game console, handheld computer, power tools, car refrigerator and various travel, camping, medical emergency appliances, etc.
Lithium-ion battery plus inverter can be used as a UPS power supply, the combination is a backup UPS (of course, no online good), under normal circumstances, the utility power through the inverter direct output, utility power interruptions by the battery through the inverse into the AC output, after the inverter relay to achieve, switching time within 10 milliseconds, the equipment naturally will not shut down, even if the general desktop computer also Even the average desktop computer will not shut down, because there are many capacitors in the desktop switching power supply, this millisecond interruption does not affect the. However, if it is simply a lithium-ion battery plus inverter may not contain automatic cut-off identification circuit, plus the inverter lithium-ion battery is still different from the professional UPS power supply, is still not a complete replacement for the UPS power supply.
Lithium-ion battery plus inverter is usually a backup storage power supply manufacturing program, the input and output ports and different ports, so add the inverter, lithium-ion battery can not be used as a UPS power supply.
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