A 10KVA 3-phase lift inverter is a device that converts AC power to DC power when the power is available to charge the Lift Inverter battery bank, and it converts DC to AC power when the power fails to power the Lift load from the battery bank. It provides backup power for elevators in the event of a power outage. The Lift inverter is also called an Emergency Rescue device ERD.

10KVA 3-phase lift inverters are typically used for elevators with a capacity of 8 to 10 passengers. They are designed to provide a smooth and reliable power supply to the elevator, even during heavy loads. Generally, the capacity of the lift motor is 3 to 4.8 KW in these capacity lifts. Nowadays, the Lift Inverters come with a Lithium battery to save space and increase the life of the Lithium battery to 10 years rather than using. Lead Acid SMF battery has a maximum life of only two years. There is a difference between Online UPS and Lift Inverters called ERD, as Online UPS technology differs greatly from the Lift inverters. Most companies offer Online UPS, which is not meant for the lift application. Online UPS will have failures more often in the Lift application, and the power bill increase and the backup time will be the next challenge.

Lift Inverter/ERD with lithium battery

Lift Inverter/ERD with a lithium battery.

Some of the features of 10KVA 3-phase lift inverters include:

Pure sine wave output for efficient operation of the elevator motor or Lift motor and system.
High surge capacity to handle the starting load of the elevator motors and other loads attached to the Lift system.
Low battery cut-off protects the batteries from over-discharge and overcharge cut-off feature to protect the batteries from overcharging.
Automatic transfer switch to seamlessly switch between mains and inverter power, which is a very important factor to select as there should not be any jerk when the main power fails and comes back.
Overload and Short circuit protection to prevent damage to the 3-phase Lift inverter.

The IOT feature monitors the Lift Inverter on Bluetooth and WiFi-based systems on the phone and computer to check the power failure log and the alerts to be stored in the application.
10KVA 3-phase lift inverters are available from various manufacturers along with the battery bank in 1.5 Lakhs to 2 Lakhs of Indian Rupees.

Here are some of the benefits of using a 10KVA 3-phase lift inverter:

Reliable backup power: A lift inverter provides a reliable source of backup power for elevators in the event of a power outage. This ensures that passengers can still use the elevator safely and conveniently.
Reduced costs: A lift inverter can help to reduce the costs associated with elevator downtime. When an elevator is down, it can be expensive to repair and can disrupt business operations. A lift inverter can help to prevent these problems by providing a backup power supply.
Improved safety: A lift inverter can help improve elevators’ safety by providing a smooth and reliable power supply. This can help to prevent accidents caused by power surges or fluctuations.

Many people have a phobia about travelling in Lifts as they have encountered Lifts being stopped midway with a high jerk, and they get panic attacks during that stoppage for 30 seconds to 1 minute; there is no light, and in the darkness, they get panic attacks.

If you are considering installing a lift inverter in your building, there are a few things you should keep in mind:

Choose the right size inverter: The size of the inverter you need will depend on the capacity of your elevator. It is important to choose an inverter that is large enough to handle the starting load and running load of the elevator motor.
Consider the features you need: Some lift inverters offer additional features, such as remote monitoring and alarm capabilities. Consider which features are important to you and choose an inverter with them.
Have the inverter installed by a qualified technician: Lift inverters are complex devices and should only be installed by a qualified technician. This will ensure that the inverter is installed correctly and safely. The earthing of the inverter is another aspect that is to be taken care of by a qualified engineer while installing the lift inverter machine

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