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Elevators and Blackouts: the Solution Is a UPS with Regenerative Load Management

In modern buildings-residential, commercial, or public-elevators are essential to ensure comfort and accessibility. However, during a blackout, an elevator stuck between floors can pose a serious safety risk for occupants. To prevent this type of critical situation, the system must be equipped with a UPS specifically designed for loads that generate return energy, such as the Ablerex Taurus with GLM (Generative Load Management) function.

Modern elevators are often regenerative, meaning they use next-generation motors and inverters that feed energy back into the grid during descent or braking.

A traditional UPS cannot manage the regenerative energy produced by the elevator, risking load interruptions and potential faults. The Ablerex Taurus UPS, on the other hand, is designed to power the elevator and handle the energy returned during descent phases without any issues.

Safety and Operational Continuity Even During a Blackout

The GLM function, integrated into the Ablerex Taurus model, allows the elevator to complete its run to the nearest floor in total safety, even during a power outage.

This prevents sudden stoppages and ensures safe evacuation of passengers, reducing risks and improving user comfort.

How It Works

Thanks to the bidirectional nature of the converters and the technical solutions adopted, the Taurus UPS guarantees uninterrupted power to the loads even in the presence of return energy. The technical advantage of Ablerex’s GLM system allows regenerative energy to be managed both when the input grid is present and during blackout conditions.

Management of Dynamic Loads

Elevators generate highly variable and non-linear loads.

The Taurus GLM is designed with a high overload-capacity inverter (up to 150% for 60 seconds) and a unity power factor (PF = 1), allowing it to handle current peaks during start-up or braking without distortion.

In addition, DSP (Digital Signal Processor) technology enables precise waveform control, preventing harmonics that could interfere with the system’s electronics.

Compliance and Benefits for Designers and Installers

The Taurus GLM UPS is designed in compliance with major industry standards.
It is available in several power configurations, from 10 to 200 kVA, making it suitable for both single-elevator residential systems and multi-service installations in commercial or public buildings.

You can find the main technical specifications here (link to website).

A Choice That Protects People, Systems, and Compliance

Choosing a UPS with GLM function means:

  • Safety for people, preventing stoppages or manual maneuvers;
  • Technical reliability, protecting the UPS and ensuring the operation of the powered load;
  • Energy efficiency and sustainability, thanks to regenerative energy management;
  • Compliance with European standards, ensuring suitability for CE certification of the system.

With Taurus GLM, Ablerex confirms its leadership as a manufacturer of power-continuity technologies dedicated to safety and vertical mobility.

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