Online interactive UPS 3KVA
UPS is a power supply device that can provide continuous AC output with constant voltage stabilization and frequency for electrical equipment even in the event of a mains power failure.
UPS usually has energy storage devices. According to different working methods, output capacity, number of phases, etc., UPS can be divided into many types. According to the working method, it is divided into three categories: back-up, online interactive, and online.
On-line interactive UPS, also known as interactive UPS, directly supplies power to the load from the mains when the mains power is normal(the difference between offline UPS and online UPS).
When the mains power is low or high, it is output through the UPS's internal voltage-stabilizing circuit after being stabilized. When the mains power is abnormal or In the event of a power failure, it is converted to battery inverter power supply through the transfer switch.
Online interactive UPS is a UPS device between the backup UPS and the online UPS working mode. It concentrates on the advantages of the backup UPS high efficiency and the online UPS power supply quality(Online UPS 1kva: 1000va line interactive ups).
When the mains power is normal, the UPS supplies the improved commercial power of the load. As shown in the figure, the output voltage is adjusted by the smart switch adjusting the transformer tap, and the inverter is in the reverse working state to charge the battery pack and start the charger. Function: When the mains is interrupted, the load is completely supplied by the battery and converted by the inverter. This two-way converter can be used as an inverter or as a charger.
Online interactive UPS has the characteristics: simple circuit and low cost. High reliability. High efficiency, efficiency can reach more than 95%. The overload capacity is strong, and the overload capacity can reach 200% when the utility power is supplied.