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LS-AES Excitation Controller

Excitation, Switchgear, and Protection Systems

Strong excitation and switchgear systems are key to your generator’s availability and dynamic performance.

Our experienced engineering and design staff provides complete and coordinated support for both new and retrofit applications. Plus, our protection services round out our integrated solutions to ensure reliability and overall project value.

Excitation, Switchgear, and Protection Systems

photo of a hydro exciter

L&S Electric provides integrated generator excitation, switchgear and protection systems for both new and retrofit applications.


  • Value added engineering provides for a complete and coordinated design for all major electrical systems
  • Experienced engineering and design staff
  • Field Services
  • Turnkey installation services

Excitation Systems

  • Featuring our LS-AES Excitation Controller!
  • Digital technology
  • Generator main field applications
  • Remote control and monitoring from multiple locations
  • Replacement applications for existing rotating pilot exciters
  • Black-start applications

Switchgear Systems

  • Metal clad and metal-enclosed equipment
  • Low and medium voltage applications
  • Synchronous and asynchronous generator applications
  • Can accommodate many breaker selections and bus requirements
  • Neutral grounding systems

Protection Systems

  • Digital technology
  • Generator protection
  • Auxiliary electrical distribution protection
  • Transformer protection
  • Bus protection
  • Line protection
  • Protective relay coordination
  • Protective relay functional testing

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