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Service for excitation and synchronization systems

As your service partner, we ensure the full support of all product ranges throughout their entire life cycle.

How can we assist you?

ABB Excitation Care

ABB's service agreement is a flexible and cost effective way to realize the benefits of a preferential treatment during the entire life cycle of your system. The supportline is managed by highly experienced field service engineers that aim to help you reduce the downtime of systems through fast and precise technical support.


  • Unlimited 24/7 telephone support 365 days a year
  • Guaranteed response time
  • Individual technical support

Control upgrades and retrofit

This service is designed for improving performance and extending functionality and lifetime of your equipment. Upgrade services comprise both hardware and software updates.


  • Long-term availability for control parts
  • Minimum shutdown and commissioning time
  • Long-term availability of engineering and support competences
  • New interfaces for enhanced functionality

Performance review

ABB has created a performance review program for all UNITROL®, SYNCHROTACT® and MEGATROL products targeted at increasing the reliability of your assets.


  • Increase reliability of your asset
  • Ensure correct and safe operation
  • Minimize risk exposure to unexpected downtime
  • Lifetime extension of the equipment

Spare Parts

Components used in excitation systems - especially electronic printed circuit boards – suffer from continuous degradation. ABB offers spare parts maintenance services to check the condition of parts on stock and give recommendations for reconditioning or replacement.



  • Professional reliability check of your spare parts on-site
  • Risk reduction of outdated spare parts and components
  • Spare parts availability at minimal cost

Installation and commissioning

Commissioning services are available to meet critical business needs anywhere in the world, regardless of the size or complexity of the active and legacy products offered.


  • Global network of more than 100 specialists
  • Available on short notice
  • Advanced diagnostic and repair practices



To support continuous learning, ABB offers a comprehensive set of training paths to provide engineers, programmers, maintenance and operations personnel with up-to-date technical expertise for existing and new products, processes, and technology advances.