Magnetek Modernizes in Our Own Backyard

Thanks to Magnetek, students living in Schroeder Hall won’t be able to use the excuse that they were late to class because of their hall’s sluggish elevators.

Magnetek Quattro AC Cube

Marquette Schroeder Hall

When frequent elevator service issues began negatively impacting students’ busy schedules at Marquette University’s Schroeder Hall, the university began looking a more energy efficient and reliable solution to keep student traffic flowing smoothly. The 10-story Schroeder Hall residence building, in the heart of downtown Milwaukee, has been well maintained and even remodeled (though more than a decade ago). However, its pair of aging geared induction elevators remained relatively untouched over the years.

Two DC-geared motors served as the backbone of the system and were powered by antiquated motor- generator-set controls. To help the university achieve its goal of higher efficiency while delivering a reliable and smoother ride, Magnetek provided two Quattro® AC Cube Elevator Drives with integrated regeneration.

Using Quattro AC elevator drives integrated with new controllers from GAL Manufacturing Corp., the elevator system achieved high levels of functionality, safety, and comfort, as well as:

  • Utilization of an optional feature that allows elevators to operate at full speed even when operating on emergency power
  • Improved operating efficiency: the Quattro AC drive reduces the peak power demand and overall energy consumption
  • Near-unity power factor and clean harmonics (IEEE 519 standards)
  • Improved ride quality
Quattrp AC Cube Magnetek

Schroeder Hall Machine Room

For access to the full version of our success story, visit our website.


How Much Will Regenerative Technology Save You?

At Magnetek, our goal is to help you save energy and money while improving elevator reliability for your customers. Our regenerative drive technology is designed to help transform your building into a facility that measures up to modern buildings in functionality, comfort, and energy savings.

But, how can you accurately calculate how much energy—and money—regenerative drives can save you on your next project?

Don’t worry, we’ve got you covered.

Magnetek’s new Energy Savings Calculator was designed to help you calculate the savings, and gives you the opportunity to:

  • Save and Print Calculations
  • Select Metric or Imperial Units
  • Compare Machine Types

When you register for access to Magnetek’s Energy Savings Calculator, you will also receive access to our Customer Information Portal that was designed specifically to give you quick access to the industry tools and product information you need every day. You can even have your company logo included on your saved energy savings calculation.

How to Prepare for an Elevator Modernization Project

Modernization_Square_BlogYou shouldn’t wait until your existing elevator system begins to fail before taking the time to evaluate your elevator system to determine if the time is right to start planning a modernization effort.

Preparation is key to ensure that an elevator modernization project is successful. If you make the decision to modernize you existing DC system, Magnetek recommends that a qualified motor analysis and repair company perform a comprehensive DC motor evaluation before building owners begin a modernization project.

By taking the time to evaluate your elevator system now, rather than later, you have the opportunity to identify problems that will require immediate repair before they shut your system down and create issues for your customers.

“Operating a modernized elevator system that’s from 25% to 45% more efficient not only saves on energy costs, but coupled with new controller technology can reduce wait times for customers and help deliver the efficient, state-of-the-art experience that tenants desire,” according to Ed Butte, Director of Magnetek’s Elevator business unit. “A Modernization project not only delivers improved performance, it also provides an efficient solution that allows building owners to retrofit their existing equipment providing both a longer useful life of the equipment and lower installation costs.”

It is recommended that building owners who are considering an elevator modernization conduct a pre-modernization inspection and repair. This process should include:
• A physical inspection of the entire system
• A complete electrical evaluation
• A comprehensive motor cleaning and/or repair
• Verification of any and all repair work
• Vertical lifting consultant analysis
• Recommendation of modernization options

DC Machine Specific Evaluation Procedures:

• Complete system inspection
• Insulation testing (before and 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 armature resistance, inductance, and capacitance

For more information about elevator modernization, contact Magnetek at 800.236.1705 or visit