The Importance of Lift Inverters: HDFC School Case Study

Unveiling the Benefits of Lift Inverters: HDFC School Case Study

The Importance of Lift Inverters: HDFC School Case Study

Introduction:

  • A lift Inverter/ UPS, or elevator UPS, is an uninterruptible power supply (UPS) specifically designed to provide backup power to elevators. Elevators are typically powered by three-phase electricity, and a lift UPS will usually have three-phase input and three-phase output. The UPS will take the incoming power from the grid and store it in batteries. In the event of a power outage, the UPS will switch to battery power and continue to provide power to the elevator.
  • The Lift inverter is required in modern-day high-rise buildings as the Power Cut happens, then the lift stops with a big thud, and a traveller’s heart goes for a toss. The old technology ARD starts the lift lights and tries to open the door. The lift stands still unless the diesel generator powers it. But once the Diesel Generator kicks in, the lift goes down and starts afresh, which is another challenge to solve. The people have the phobia of not travelling into the charge once they get the shock of power failure in the rides. The higher floor lifts have a higher jerk, which a traveller can feel.
  • To install the lift inverter/ERD or lift UPS, all the materials, including the lift inverter and batteries, must be brought to the lift room, and a specialized cabin must be created for the motor controls, etc. Once the material reaches the wiring, it is done for the Lift Inverter, and it needs 3-phase Input wires and three 3-phase output wires to connect to the lift. The earthing is very important for the lift inverter to perform, so the earthing wire needs to be brought to the inverter and fixed at the back of the unit where the earthing sign is made. https://suvastika.com/the-benefits-of-lift-inverters-erd-for-buildings-and-owners/

The Importance of Lift Inverters: A HDFC School Case Study, We installed the Lift Inverter/Emergency Rescue Device in the HDFC School Gurgaon in the year July 2021, and it has been working flawlessly since then.

The staff and school children travel in that lift, and there has been no stoppage or breakdown. The maintenance of the lift has come down to more than 70% as the lift breakdown happens when the power cuts take place, and the lift runs on a generator, and the power comes back and goes intermittently and creates havoc on the functioning of the lift.

Lift inverters, also known as Elevator UPS (Uninterruptible Power Supply) or ERD (Emergency Rescue Device), offer several advantages for residential buildings, especially high-rises:

https://en.wikipedia.org/wiki/Power_inverter

Enhanced Safety:

  • Uninterrupted Service During Outages: The primary benefit is ensuring elevators keep functioning during power cuts. This is crucial for residents who may have difficulty using stairs, particularly the elderly or those with health conditions.
  • Safe Evacuation: In emergencies like fires or earthquakes, a working elevator becomes essential for safe evacuation, especially from higher floors. Lift inverters allow residents to use the elevator to descend to safety.
  • Reduced Anxiety: Power outages can cause people to feel trapped inside elevators. Lift inverters prevent this by providing backup power and a smooth ride down to the ground floor.

Additional Benefits:

  • Cost-Effective: Compared to generators (DG sets), lift inverters require a lower initial investment and have lower running costs due to their reliance on battery power.
  • Environmentally Friendly: Unlike generators, inverters don’t generate harmful emissions or noise pollution, making them an eco-friendly choice.
  • Compact Design: Inverters are smaller than generators and can be installed in spaces like the elevator machine room or under staircases.
  • Silent Operation: Inverters operate silently, unlike generators which can be noisy.

Overall, lift inverters provide peace of mind and improve the overall safety and convenience for residents in a high-rise building.

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