L & S Electric, Inc.  

United States
  • Booth: 5258

Proven Solutions for the Power Generation Industry

L&S Electric has over 30 years of experience in system integration, sizing, assembling, installing and commissioning excitation systems. The AES Excitation System is a cost-effective, flexible, and efficient alternative to other commercially available systems. It is designed with high quality commercially available off-the-shelf hardware. 

Brands: Excitation Systems, Governor Systems, Unit & Plant Automation, HMI & SCADA Systems, Auxiliary Systems, Protection Systems, Switchgear, Hydraulic Pressure Supply System,


  • AES-110
    AES-110 Digital Excitation Control System provides up to 200 amps for synchronous motors and generators. Comes complete with LS-ACT commissioning tool, multiple remote communications options, and a two-year warranty....

  • AES-110 Digital Excitation Control System by L & S Electric, Inc. provides  up to 200 amps in one compact, high performing, highly flexible, cost-effective design for synchronous motors and generators. The modular design utilizes a proven, high performance, off-the-shelf, commercially available processor and I/O module system. The user-friendly LS-ACT commissioning tool and multiple remote communications options make it very versatile for a wide range of  applications.  The cost-effective system comes complete with a two-year warranty all backed by L & S Electric’s legendary service.Product Benefits

    • Implementation of practical designs, control algorithms, and effective technologies developed by credible experts in the field of excitation
    • Built with powerful open architecture industrial controllers
    • Multiple communications platforms including Modbus and Ethernet IP
    • Backed by a 2-year standard warranty
    • Designed to meet IEEE 421 standards
    • Cost effective PSS licenses, tuning and validation capability to meet regulatory agency requirements.
    • Pre-defined mounting options for replacement of existing digital AVR’s from other manufacturers

    Key Features

    • True RMS voltage and current sensing
    • Cross Current Compensation (CCC) available with single phase sensing
    • Voltage matching
    • DC Field Current/Voltage sensing
    • For use with bridges up to 200A
    • Easy configuration and programming using LS-ACT commissioning tool
    • User friendly interfaces include advanced monitoring and control features, tools
    • PID Control with Dual Settings
    • Auto & Manual Channels
    • VAR or Power Factor control mode
    • Step response utility for PID validation
    • IEC-61131-3 Programming
    • Internal auto / manual tracking
    • Field Current or Field Voltage regulation (manual) control mode
    • Rotating Exciter Diode Monitoring
    • Soft Start Voltage Build-up
    • Voltage Control Mode (Auto)
    • Reactive Load Sharing via communications
    • Local & Remote control

    Value-Added Services

    • System modeling and model validation
    • Excitation system configuration, system protection and limiter setpoint calculation and coordination
    • Installation engineering
    • Customer witness Testing at L&S factory
    • Customer training services on-site or in factory
    • Turnkey installation/removal services
    • L&S engineering and field service experts available 24/7 CONTACT OUR TEAM

Send Email

Type your information and click "Send Email" to send an email to this exhibitor. To return to the previous screen without saving, click "Reset".

For exhibitor questions regarding POWERGEN International, please contact your exhibitor services team: