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Electric Power Generation: Nidec Power - Kato Engineering


Pure Energy Solutions for Sub-Saharan Africa

 

Traction Alternators

The Best of Performance

Reliable Power for Locomotive & Off-Highway Applications


Nidec Power traction alternators are engineered for durability and efficiency, making them the ideal choice for both locomotives and off-highway mining trucks. Designed to handle rugged conditions, our alternators deliver reliable performance in demanding environments, ensuring maximum uptime and efficiency.



Locomotive Applications


Designed for switchyard and short road-haul locomotives, Nidec Power traction alternators are available in two configurations:


  • Dual Alternator Setup: A primary alternator is driven from the main engine output shaft, while a dual auxiliary alternator is powered via the engine’s PTO.
  • Combined Alternator Design: A single unit houses both the primary traction alternator and a companion alternator, driven from the same output shaft.


These designs are perfect for locomotives where space and weight are critical factors, offering compact, high-performance solutions.


Off-Highway Truck Applications


Nidec Power traction alternators are the premier choice for mine-haul trucks, supplying the power needed for today’s advanced electric drive systems. Built to endure harsh conditions, these alternators feature:


  • Compact design to maximize vehicle payload and profitability.
  • Heavy-duty construction to withstand rough terrain, dirt, and debris.
  • Superior insulation to handle extreme thermal cycling from continuous acceleration and deceleration.


Whether powering locomotives or heavy-duty mining trucks, Nidec Power traction alternators deliver the reliability, efficiency, and durability required for the toughest jobs.

Locomotive Specifications

Refer to the table below

Locomotive Application

  • HP Capabilities 1500 - 4000 HP
  • VDC Range 700 - 1250 HP VDC
  • ADC Range Up to 4800 ADC

Off-Highway Truck Application Features

  • Designed to match engine power from 2000 - 4000 HP
  • Variable speed operation from 650 -1900 RPM
  • Up to 2800 Vdc, when rectified
  • Single or dual bearing configurations, with customizable options
  • Customer specific mounting options
  • Class H VPI insulation materials are used on all wound components for long service life
  • Heavy duty windings designed for AC drive applications (ie. SCR and IGBT drives)
  • Either self cooled or by customer supplied, ducted cooling air
  • Brushless excitation with heavy duty rotating rectifier
  • Withstands shock loads of up to 5Gs in any axis
  • Designs that are optimized for reduced weight to increase overall payload


Off-Highway Truck Application Specifications

For AC drive mine trucks in the 260 to 400-ton range. Driven by 2000 to 4000 hp diesel engine. They have the following specifications:

Off-Highway Truck Application

  • HP Capabilities 1500 - 4000 HP
  • VDC Range 700 - 1250 HP VDC
  • ADC Range Up to 4800 ADC

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