Analog Voltage Regulators

Analog AVRs

R200 range for SHUNT excitation

  • Single-phase voltage sensing
  • Underspeed protection by U/f (R220) or U/f and LAM (R250) function

R400 range for SHUNT, PMG and AREP excitation types: performance

  • Single-phase voltage sensing
  • Excitation ceiling setting
  • Underspeed protection by U/f and LAM function
  • Parallel operation between alternators with CT
  • Parallel operation with the mains with CT and R726 module
  • Three-phase sensing in R450T version or with R731 module
  • Overload protection with R450 version
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