Lift Inverter (10.5kVA–50kVA) – 3 Phase Elevator Power Backup | Electrent
Lift Inverter for Elevators, Residential Societies and Commercial Buildings
Elevators have become an essential part of modern residential and commercial infrastructure. From high-rise apartments and residential societies to hospitals, hotels, offices and industrial facilities, elevators support the daily movement of people and goods. However, unexpected electricity interruptions can affect elevator operations and create inconvenience for building occupants.
The Electrent Lift Inverter (10.5kVA–50kVA) is a dedicated power backup solution designed for lifts and elevator applications. Featuring three-phase power conversion, lithium battery technology, pure sine wave output and fast switching capability, Electrent lift inverters are developed to support dependable elevator backup during power outages.
Designed for applications requiring 10.5kVA to 50kVA power capacity, Electrent offers multiple configurations to accommodate different elevator requirements. The system combines advanced inverter technology, high surge-handling capability and intelligent battery management to provide a suitable power backup solution for residential, commercial and industrial buildings.
Whether you are looking for a lift inverter for a residential society, commercial complex, hospital or high-rise building, Electrent provides dedicated elevator power backup solutions designed around modern electrical requirements.
What Is a Lift Inverter?
A lift inverter is a battery-based power backup system designed to provide electricity to elevators when the primary power supply becomes unavailable.
Unlike conventional power backup systems used for household appliances, a lift inverter needs to accommodate the electrical requirements of elevator motors, three-phase power supply systems and higher starting loads.
A properly selected lift inverter helps maintain elevator power availability during electricity interruptions, subject to the system configuration and elevator requirements.
Electrent lift inverters combine inverter electronics with lithium battery technology to provide dedicated backup power for suitable elevator applications.
The system is designed to support:
- Residential elevators and apartment building lifts
- Commercial building elevators
- Hospital and healthcare facility lifts
- Hotel and hospitality elevators Industrial elevator applications
- High-rise building elevator infrastructure
Electrent Lift Inverter – Key Features
1. Three-Phase Lift Inverter
Electrent lift inverters are designed for three-phase elevator applications, making them suitable for buildings requiring dedicated three-phase power backup.
The available power ratings include:
- 10.5kVA
- 15kVA
- 20kVA
- 30kVA
- 40kVA
- 50kVA
With multiple power configurations, building owners and facility managers can evaluate the appropriate lift inverter according to their elevator motor rating, starting current and backup requirements.
The system supports 400V/415V AC three-phase output, depending on the selected configuration.
2. Pure Sine Wave Output
Electrent lift inverters feature PWM pure sine wave output designed for compatible elevator electrical systems.
Pure sine wave power provides a suitable output waveform for connected equipment when operating within the inverter's rated specifications.
This makes the technology relevant for elevator applications where the quality and compatibility of backup power are important considerations.
3. Instant Switching Technology
Power interruptions can affect elevator operation and passenger movement.
Electrent lift inverters feature a changeover time of less than 5 milliseconds, helping minimise interruptions during the transition from the primary electricity supply to inverter power.
The fast switching capability supports applications requiring a quick transition to backup power.
4. High Surge Capacity
Elevator motors can require higher electrical current during starting and certain operating conditions.
Electrent lift inverters feature an overload capacity of:
- 110% overload for 5 minutes
- 150% overload for 30 seconds
This high surge-handling capability helps accommodate temporary higher loads within the specified operating limits.
The inverter capacity must still be selected according to the elevator's actual starting current, motor specifications and electrical configuration.
5. Advanced IGBT Inverter Technology
Electrent lift inverters use DSP-based IGBT switching technology.
This technology supports controlled power conversion and inverter operation for three-phase elevator applications.
The inverter design combines digital control with power electronics to provide a suitable backup power configuration for compatible elevator systems.
6. Output Isolation Transformer
Electrent lift inverters feature an output isolation transformer.
The isolation transformer is designed to provide electrical isolation between the inverter output and connected equipment.
This feature supports applications requiring dedicated elevator backup infrastructure and appropriate electrical isolation.
7. Lithium Battery Power Backup
Electrent lift inverters are designed to work with lithium battery technology, including LiFePO4 batteries.
Lithium battery systems provide a compact energy storage solution for applications where installation space, battery capacity and maintenance requirements are important.
The battery system incorporates a smart battery management system to monitor and protect the battery during operation.
8. Advanced Electrical Protection
Electrent lift inverters include multiple protection features designed to help safeguard the inverter, battery and connected equipment.
These include:
- Output overload protection
- Output short-circuit protection
- Output under-voltage protection
- Output over-voltage protection
- DC under-voltage protection
- DC over-voltage protection
- Mains under-voltage protection
- Mains over-voltage protection
- Single-phasing protection
- Battery low-voltage protection
- Battery over-temperature protection
The system also provides LED indications and alarms for mains operation, inverter operation, battery low voltage, faults and overload conditions.
Electrent Lift Inverter Technical Specifications
Electrent offers lift inverter configurations designed for three-phase elevator applications.
Power Capacity and Electrical Configuration
The Electrent lift inverter range includes six power ratings:
- 10.5kVA Lift Inverter: 10.5kVA rated capacity with an 8kWh battery configuration and 120V DC battery voltage.
- 15kVA Lift Inverter: 15kVA rated capacity with a 12kWh battery configuration and 192V DC battery voltage.
- 20kVA Lift Inverter: 20kVA rated capacity with a 16kWh battery configuration and 240V DC battery voltage.
- 30kVA Lift Inverter: 30kVA rated capacity with a 24kWh battery configuration and 360V/384V DC configuration.
- 40kVA Lift Inverter: 40kVA rated capacity with a 32kWh battery configuration and 360V/384V DC configuration.
- 50kVA Lift Inverter: 50kVA rated capacity with a 40kWh battery configuration and 360V/384V DC configuration.
These configurations provide different power and battery capacity options for evaluating elevator backup requirements.
Input and Output Specifications
The inverter's electrical specifications include:
- AC input voltage: 415V ±15%, three-phase
- Input frequency: 50Hz ±6%
- Output voltage: 400V/415V AC, three-phase
- Output frequency: 50Hz ±0.1Hz
- Output waveform: PWM pure sine wave
- Power factor: 0.8
- Charger type: CVCC, Constant Current and Constant Voltage
- Inverter technology: DSP-based IGBT switching
- Inverter efficiency: Up to 90% below 20kVA and up to 93% for 30kVA to 200kVA configurations
- Crest factor: 0.12
- Audible noise: Less than 65dB at 1 metre
Overload and Performance Specifications
Electrent lift inverters are designed with overload handling capability for suitable elevator applications.
The specified overload ratings include:
- 110% overload for 5 minutes
- 150% overload for 30 seconds
The system also incorporates output isolation and protection features to support operation within the specified electrical limits.
Actual performance depends on the selected inverter model, connected load and operating conditions.
Lithium Battery Technology for Lift Inverter
Lithium battery technology provides a modern energy storage option for elevator backup systems.
Electrent lift inverters use LiFePO4 lithium batteries designed to provide backup energy for compatible three-phase inverter configurations.
Compared with conventional battery arrangements, lithium battery systems can offer advantages in installation space, battery maintenance requirements and energy storage configuration.
LiFePO4 Lithium Battery Specifications
The battery system includes the following specifications:
- Battery chemistry: LiFePO4 lithium battery
- Rated battery capacity: 100Ah
- Battery configurations: 120V, 192V, 240V and 384V DC configurations
- Battery charging method: CC-CV
- Battery management system: Smart BMS
- Specified cycle life: At least 4000 cycles under stated conditions
- Charging temperature: 0°C to 50°C
- Discharging temperature: 0°C to 50°C
- Charging over-temperature protection: Above 60°C ±2°C
- Discharging over-temperature protection: Above 65°C ±2°C
The smart battery management system incorporates protection against low voltage, high voltage, overload, short circuit and over-temperature conditions.
The specified cycle life depends on operating conditions, charging practices, temperature and battery usage.
Maintenance-Free Lithium Battery Backup
Electrent lithium battery lift inverter systems are designed to reduce routine battery maintenance requirements.
Lithium battery technology eliminates the need for regular water filling associated with conventional flooded lead-acid batteries.
This makes lithium battery power backup relevant for residential societies, commercial buildings and facilities looking for a compact energy storage configuration.
Electrent Lift Inverter for Residential Societies
Residential societies and apartment buildings depend on elevators for everyday movement between floors.
During electricity interruptions, elevator availability becomes an important consideration for residents, visitors and building management.
Electrent lift inverters can be evaluated for residential elevator backup applications based on the elevator's electrical requirements and desired backup configuration.
Applications in Residential Buildings
Electrent lift inverter solutions can be considered for:
- High-rise residential apartments
- Multi-storey residential societies
- Premium apartment complexes
- Gated communities
- Residential towers
- Buildings with dedicated elevator backup requirements
The appropriate inverter capacity depends on elevator motor specifications, starting current, battery configuration and required backup duration.
Lift Inverter for Commercial Buildings
Commercial buildings use elevators to support employees, visitors, customers and facility operations.
A dedicated lift inverter can help provide backup power during electricity interruptions, supporting elevator availability within the system's operating limits.
Electrent's three-phase lift inverter range can be evaluated for suitable applications in:
Office Buildings
Office buildings depend on elevators for employee movement and visitor access.
Electrent lift inverter configurations provide different power ratings for evaluating backup requirements in commercial office buildings.
Hotels and Hospitality Properties
Hotels require dependable elevator infrastructure to support guest movement, housekeeping and service operations.
Electrent lift inverters can be considered for compatible hotel elevator applications where dedicated power backup is required.
Hospitals and Healthcare Facilities
Hospitals use elevators for patient transportation, medical equipment movement and staff access.
A suitable lift inverter backup system can help support elevator power availability during electricity interruptions.
The inverter capacity and backup configuration should be selected according to the hospital's elevator specifications and operational requirements.
Industrial Buildings
Industrial facilities may use elevators for personnel movement, material transportation and building operations.
Electrent offers higher-capacity lift inverter configurations that can be evaluated for suitable industrial elevator backup applications.
Why Choose Electrent Lift Inverter?
Selecting a lift inverter requires evaluating the elevator's electrical requirements, backup expectations and installation conditions.
Electrent combines multiple features in its lift inverter range to support modern elevator backup applications.
Dedicated Elevator Power Backup
The system is designed specifically for elevator and lift applications requiring three-phase power backup.
Multiple Power Capacities
Available configurations range from 10.5kVA to 50kVA, providing different power capacity options for compatible elevator systems.
Lithium Battery Technology
LiFePO4 battery technology provides a compact energy storage configuration with a smart battery management system.
Fast Switching
The specified changeover time of less than 5 milliseconds supports applications requiring a rapid transition to backup power.
Pure Sine Wave Output
The inverter provides PWM pure sine wave output for compatible elevator electrical systems.
High Surge Handling
The specified overload capacity supports temporary higher loads within the inverter's rated operating limits.
Advanced Protection
Multiple electrical and battery protection features help safeguard the system against specified abnormal operating conditions.
Dedicated UPS and Battery Warranty
The product brochure specifies:
- UPS warranty: 24 months
- Battery warranty: 60 months
Warranty coverage, exclusions and applicable conditions should be confirmed for the selected model.
How to Select the Right Lift Inverter
Choosing the right lift inverter involves understanding the complete elevator electrical system.
Before selecting a lift inverter, consider the following factors.
Elevator Motor Rating
Check the elevator motor's rated power and electrical specifications.
The inverter must be compatible with the elevator's motor and electrical configuration.
Starting Current and Surge Requirements
Elevator motors may require higher current during starting.
The selected lift inverter should accommodate the elevator's starting current and temporary surge requirements within its specified limits.
Three-Phase Electrical Compatibility
Confirm the elevator's input voltage, output voltage, phase requirements and operating frequency.
Electrent lift inverters are designed for three-phase applications with 400V/415V AC output, depending on the configuration.
Battery Capacity and Backup Duration
Determine how long the elevator needs to operate during an electricity interruption.
Battery capacity should be selected according to the connected load, operating requirements and desired backup duration.
Battery Voltage Configuration
Electrent lift inverter configurations include different DC battery voltage options.
The battery configuration must match the selected inverter model and system design.
Installation Requirements
Evaluate the available installation space, ventilation, electrical protection and battery placement.
The installation should comply with applicable electrical and elevator safety requirements.
Professional System Selection
The final inverter capacity should be selected by qualified professionals after evaluating the elevator motor rating, starting current, drive type, battery requirements and backup expectations.
Frequently Asked Questions About Lift Inverters
What is a lift inverter used for?
A lift inverter provides backup power to elevators during electricity interruptions.
It combines inverter technology and battery storage to support elevator operation when the primary power supply becomes unavailable.
What is the capacity range of Electrent lift inverters?
Electrent offers lift inverter configurations ranging from 10.5kVA to 50kVA.
The available ratings include 10.5kVA, 15kVA, 20kVA, 30kVA, 40kVA and 50kVA.
Is Electrent lift inverter suitable for three-phase elevators?
Electrent lift inverters are designed for three-phase elevator applications with 400V/415V AC output.
Compatibility should be confirmed according to the elevator's electrical specifications and the selected inverter configuration.
Which battery technology is used in Electrent lift inverters?
Electrent lift inverter systems use LiFePO4 lithium battery technology with a smart battery management system.
What is the switching time of Electrent lift inverter?
The product brochure specifies a changeover time of less than 5 milliseconds.
What is the output waveform of Electrent lift inverter?
Electrent lift inverters provide PWM pure sine wave output.
What is the warranty on Electrent lift inverter?
The product brochure specifies a 24-month UPS warranty and a 60-month battery warranty.
The applicable warranty terms and conditions should be confirmed for the selected model.
Can a lift inverter be installed in a residential society?
Yes. A suitable lift inverter can be evaluated for residential societies, apartment buildings and high-rise residential complexes requiring elevator backup.
The final selection depends on elevator specifications, starting current, battery capacity and installation requirements.
How do I choose between a 10.5kVA and 50kVA lift inverter?
The appropriate capacity depends on the elevator motor rating, starting current, electrical configuration and required backup duration.
A qualified elevator or electrical professional should evaluate these requirements before recommending a model.
Does Electrent offer lithium battery lift inverters for commercial buildings?
Electrent offers three-phase lift inverter configurations from 10.5kVA to 50kVA with lithium battery technology.
These configurations can be evaluated for suitable elevator backup applications in commercial buildings, hospitals, hotels and industrial facilities.
Get the Right Lift Inverter for Your Elevator
Reliable elevator backup begins with selecting a power backup system that matches the elevator's electrical requirements.
Electrent Lift Inverter solutions combine three-phase power conversion, lithium battery technology, pure sine wave output, fast switching and advanced protection features for elevator applications.
With power configurations ranging from 10.5kVA to 50kVA, Electrent offers multiple options for evaluating elevator backup requirements across residential, commercial and industrial buildings.
Contact Electrent to discuss your elevator power backup requirements and identify a suitable lift inverter configuration for your application.