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R120

Automatic Voltage Regulator for TAL alternators

R120

AVR R120The R120 automatic voltage regulator (AVR) for the TAL series of industrial alternators provides excitation current up to 4 A with excellent reliability.

The R120 includes advanced protections such as over-excitation limitation and voltage sensing loss.

Key characteristics

 Technology  Analog
 Excitation mode  SHUNT
 Rated excitation current 4 A / 6 A for 30 s
 Regulation accuracy (+/- %)  1%
 Frequency range  20 – 100 Hz
 Voltage setting range (+/- %)  10%
 kU/F limitation k = 1.2
 Loss of sensing voltage  ✓
 Over-excitation limitation  ✓
 Short circuit current limitation -
 Voltage droop -
 Parallel operation between alternators -
 Load Acceptance Module (LAM) -

 

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