Electrical

Line-Interactive UPS with AVR Architecture

Electrical Diagrams · made in Skemio

Block diagram of a line-interactive UPS with AVR autotransformer, bi-directional inverter, battery, and controller sensing circuit.
Block diagram of a line-interactive UPS with AVR autotransformer, bi-directional inverter, battery, and controller sensing circuit.
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What it shows

  • AVR autotransformer steps voltage up or down dynamically using taps.
  • Bi-directional inverter charges battery normally and supplies power in outages.
  • Preserves battery cycle life during frequent utility voltage sags.

The takeaway

Line-interactive UPS topologies preserve battery reserves by regulating sags and surges magnetically.

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