why we are using isolation transformer in ups?

An isolation transformer is used in uninterruptible power supplies (UPS) to provide electrical isolation between the input and output circuits. This isolation enhances safety by preventing electrical shock and reduces the risk of equipment damage from surges or faults. Additionally, it helps in filtering out noise and transients, improving the overall power quality delivered to sensitive electronic devices. Thus, isolation transformers play a crucial role in ensuring reliable and safe operation of UPS systems.