Electronic products for alternators

Analog or digital voltage AVRs depending on customer requirements

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%

Leroy-Somer AVRs