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What's the definition of line-interactive UPS
2019-12-09

Previously we compared the differences between the two UPS：line-interactive UPS vs on-line UPS.  However, the varied types of uninterruptible power supplies (UPS) and their attributes often cause confusion in the data center industry. This essay will focus on the line-interactive UPS.  


line-interactive UPS definition


A line-interactive UPS maintains the inverter in line and redirects the battery's DC current path from the normal charging mode to supplying current when power is lost. 

 

line interactive ups block diagram


line interactive ups block diagram


Advantage and disadvantages of line interactive ups


  • Line-Interactive topology incorporates technology that allows the UPS to correct minor power fluctuations (under and over voltages) without switching to battery. This extends the life of the battery and is essential in areas where power fluctuations occur regularly. 
  • offer high reliability because they have fewer components, reasonable voltage conditioning to 96-97%. 
  • ·Compared with other UPS, online interactive UPS is the cheapest type. 


Application


consumer electronics, PCs, network equipment, and mid-range servers.For example, Kstar MICROPOWER Series Line interactive UPS provides battery backup, power protection (using sine wave output) and surge protection for desktop computers, workstations, networking devices, and home entertainment systems requiring active PVC power source compatibility.

Learn more about Kstar interactive UPS