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DC Motor Evaluation

Start Your Elevator Modernization Project Off Right

Updating older elevator machines to modern technology can significantly reduce energy costs.
DC elevator machines that are properly maintained and in good working order can provide
excellent ride quality and years of additional service.

Preparation is key to ensure that an elevator modernization project is successful.
Magnetek recommends that a motor analysis and repair company perform a
DC motor evaluation before building owners begin a modernization project.

Magnetek's Quattro DC is the optimal choice for a successful modernization project, offering:
  • Energy Savings
  • Lower Installation Costs Compared to AC Motor and Drive Replacements
  • Superior Ride Quality
  • Improved Performance
  • Long Usable Life
Once you decide to modernize your DC Machines, it is key to prepare. For more information
on preparing for a successful modernization with Magnetek, see our Quattro DC Drive Installation Guide.

DC Elevator MotorBenefits
  • Become aware of problems that require immediate repair for continued service
  • Determine risk before issuing modernization contracts
  • Schedule corrective actions before they become failures

Inspection & Repair Procedure

  • Perform detailed visual inspection
  • Electrical evaluation
  • Clean and/or repair
  • Verify repairs
  • Install modernized motor controls

Key DC Motor Test Methods
  • Physical inspection
  • Insulation testing (before & after cleaning)
  • Diagnostic AC voltage drop test of motor fields
  • Infrared hot spot detection or thermography while in operation
  • Mechanical vibration analysis
  • Electrical signature analysis while in operation
  • Impedance balance measurements of aramature resistance, inductance, & capacitance

 Available Providers:

Electrical Motor Repair Company
Trenton, NJ
            Vincent Electric Motor Co.
Oakland, CA

McIntosh Industries LLC
Hillside, NJ
Bloomfield, CT
Koffler Electrical
San Leandro, CA
            Renown Electric Motors & Repair, Inc.
Concord, Ontario, Canada

Capital Electric Motor Service
Dallas, TX

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