Electronic Products

Analog and digital voltage AVR

Leroy-Somer AVRs benefit from all Leroy-Somer’s experience in the electronics field. They have been designed to comply with market requirements in terms of characteristics, performance, conformity with standards and reliability.

Their main characteristics are :

  • Simple, user-friendly user interfaces
  • Power switching transistor offers an optimum response to interference generated by distorting loads
  • Voltage regulation ±0.5% in steady state with rapid response time (< 500 ms)
  • Optimised mechanical design for resistance to vibration and harsh environments, with coated electronic circuits
  • Conformity with IEC 60034-1 and UL 508

Systems that help take account of load impact/load shedding are built into Leroy-Somer AVRs.

U/f function

  • Load impacts taken into account
  • Instant response from the AVR below the underspeed threshold
  • Gradual voltage return to rated voltage

LAM function

  • Load Acceptance Module
  • Reduction in voltage drop and duration of speed variation of the diesel engine
  • Possible increase in the applied load for the same speed variation
  • Adaptive tuning LAM for load impacts > 60%
Digital AVRs

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D350

AREP / PMG - 5 A

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R120

SHUNT AVR 4A

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R150

SHUNT AVR 6A

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R180

AREP / PMG AVR

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R220

SHUNT, 3-phase and 1-phase

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R250

SHUNT, 3-phase and 1-phase

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R438

AREP, PMG

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R449

AREP, PMG

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R450

SHUNT, AREP, PMG

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R610

SHUNT, AREP, PMG, SHUNT + Booster

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R630

SHUNT, AREP, PMG, SHUNT + Booster

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ControlReg

Integrated Genset Controller & AVR

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Analog Voltage Regulators

R120

SHUNT AVR 4A

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R150

SHUNT AVR 6A

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R180

AREP / PMG AVR

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R220

SHUNT, 3-phase and 1-phase

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R250

SHUNT, 3-phase and 1-phase

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R438

AREP, PMG

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R449

AREP, PMG

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R450

SHUNT, AREP, PMG

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R610

SHUNT, AREP, PMG, SHUNT + Booster

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R630

SHUNT, AREP, PMG, SHUNT + Booster

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