Industrial Alternator Maintenance & Repair by Nidec Power
Secure performance. Reduce downtime. Extend alternator lifetime.
Since 1919, Nidec Power has been providing maintenance for Leroy‑Somer™ and Kato Engineering™ industrial alternators, supporting critical installations worldwide.
Industrial alternators operate under demanding electrical, thermal and environmental conditions. Over time, insulation ageing, contamination and mechanical wear inevitably impact performance and reliability. Without proper maintenance, these effects can lead to unplanned shutdowns, production losses and safety risks.
As the OEM, Nidec Power delivers precise, reliable and long‑lasting maintenance, fully aligned with the original design of your equipment and compliant with the most stringent industrial standards.
Why choose the OEM for your industrial alternator maintenance?
Because no one understands your alternator better than the manufacturer.
- Direct access to original design drawings and specifications
- Maintenance procedures defined by the engineers who designed the machines
- Complete mastery of assembly, disassembly and critical components
- Exclusive use of 100% genuine spare parts
Our service technicians benefit directly from this OEM expertise in the field, with support from Nidec Power design offices and technical experts.
Certified expertise for critical and regulated environments
Our technicians and service partners are trained over several years to operate in the most demanding industrial environments and hold all required certifications, including:
- Electrical and mechanical certifications
- ISO 9001 quality standards
- Specialized certifications: HUET / BOSIET, OPITO, ATEX
We safely operate in marine and offshore installations, data centers, nuclear power plants, and hazardous areas, in full compliance with site-specific regulations.
Nidec Power Services global offering
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Spare PartsGenuine Leroy-Somer™ & Kato Engineering™ Alternator Spare Parts & Electronic Solutions
Keep your power systems running with genuine Nidec Power spare parts.
We supply and deliver OEM-certified alternator spare parts designed to ensure reliability, performance and long service life of your equipment - even in the most demanding applications.
From bearings and electronic regulators to sensors and mechanical components, our experts help you secure the right parts, at the right time, with full OEM compliance.
All parts supplied by Nidec Power are OEM tested alternator parts, ensuring reliability and long-term performance.
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Service NetworkGlobal Service Support, Including Emergency Response
Coverage & responsiveness
With industrial operations running worldwide, fast and reliable service support is essential. Nidec Power operates a global network of service centers, reinforced by specialized workshops such as Houma Armature Works™, to support your installations wherever and whenever needed.
Our global organization provides:
- Rapid mobilization of field service technicians
- Access to OEM documentation and design engineers
- Standardized tools, methods and quality processes worldwide
This structure ensures efficient planned maintenance and a robust emergency response, even in the most critical situations.
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CARE2GEN Mobile WorkshopCare2Gen, the mobile workshop
A professional on-site maintenance service dedicated to the upkeep, inspection and repair of power generation equipment.
This mobile workshop solution allows critical operations to be performed directly at your site, reducing downtime, logistics constraints and operational disruptions.
Designed to meet the requirements of industrial and energy professionals, Care2Gen ensures reliable support for generator and alternator fleets, wherever they are installed.
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GENDO - Serial number searchGet direct access to key alternator information from any device.
GENDO is our mobile optimized website to provide instant help to anyone facing a Leroy-Somer™ alternator.
No app necessay, just scan the QR code on the nameplate and it will load quickly on almost all smartphones, even in poor connection conditions.The GEN.LS1.DO website provides the following services:
- Access key alternator data.
- Download useful documents: manuals, catalogues, certificates
- Get direct access to our Service team
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Video tutorialsExplore our expert tutorials on upgrading to digital regulators, configuring EasyReg Advanced, alternator sizing, and protection standards. Watch our videos now to master these critical engineering skills.