Description
Elevator inverter DR-VSB032 DR-VSB021 Brief Introduction
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Product Name |
Elevator inverter |
| Model Number | DR-VSB032
DR-VSB021 59413201 57641904 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Elevator Inverter DR-VSB032 & DR-VSB021: Core Drive Component from Nanjing Zhuye Elevatorparts
The elevator inverter is the core power conversion device of the elevator drive system, which converts fixed-frequency AC power into variable-voltage and variable-frequency power to achieve smooth starting, stopping, and speed regulation of the elevator. Its performance directly determines the elevator’s ride comfort, energy efficiency, and operational safety. The Elevator Inverters DR-VSB032 and DR-VSB021, exclusively supplied by Nanjing Zhuye Elevatorparts, are meticulously designed for modern passenger and freight elevators. Compliant with international standards such as IEC/EN 60947 and GB 7588, these inverters integrate high-performance IGBT modules, precise PWM modulation technology, and efficient heat dissipation systems. They support both V/F control and vector control modes, making them compatible with mainstream elevator brands including Schindler, OTIS, KONE, and domestic well-known brands. Widely used in residential buildings, commercial complexes, airports, and subway stations, they provide reliable drive support for elevators.
Nanjing Zhuye Elevatorparts adheres to strict quality control standards, and the DR-VSB032 and DR-VSB021 elevator inverters are a concentrated embodiment of this philosophy. Each inverter undergoes rigorous testing before leaving the factory, including load capacity testing, voltage fluctuation resistance testing, high-temperature (up to 80℃) and low-temperature (down to -30℃) resistance tests, and anti-electromagnetic interference tests. The inverters adopt high-quality PCB substrates with excellent insulation performance and heat dissipation efficiency. The built-in regenerative braking circuit can recover over 95% of the regenerative energy during elevator descent, significantly reducing energy consumption. Equipped with a comprehensive protection system against overcurrent, overvoltage, undervoltage, overheating, and phase loss, they also feature an intelligent fault self-diagnosis module that promptly feeds back fault codes to the main controller, facilitating maintenance personnel to quickly locate and solve problems.
Usage Guide for Elevator Inverter DR-VSB032 & DR-VSB021
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1. Pre-Installation Preparation
First, cut off the main power supply of the elevator and the power supply of the inverter, lock the power switch, and place a “Maintenance in Progress” warning sign at the elevator entrance and machine room to prevent accidental startup. Prepare professional tools such as screwdrivers, wrenches, multimeters, wire strippers, and anti-static gloves. Clean the installation position in the machine room to remove dust, debris, and oil stains, as these impurities may affect the heat dissipation and insulation performance of the inverter. Carefully inspect the DR-VSB032/DR-VSB021 inverter for external damage, such as cracks on the shell, damage to the input/output terminals, or loose cooling fans. Use a multimeter to test the insulation resistance of the inverter to ensure there is no short circuit or leakage.
2. Installation & Wiring
Install the DR-VSB032/DR-VSB021 inverter on the dedicated mounting bracket in the machine room, ensuring good ventilation around it to facilitate heat dissipation. Fix the inverter with screws, noting that the tightening torque should be appropriate to avoid damaging the shell or internal components. According to the wiring diagram provided by Nanjing Zhuye Elevatorparts, connect the inverter to the power supply, elevator motor, and main controller. The input power terminals (L, N, PE) and output terminals (U, V, W) should be correctly connected to the corresponding cables, and the wire stripping length should be controlled at 6-8mm to prevent short circuits caused by wire exposure. When connected to a large-capacity power transformer (above 500kVA), install a power factor correction choke at the input end. After wiring, use cable ties to organize the wires neatly to avoid wire entanglement or extrusion. Check the wiring again to ensure no wrong connection or missing connection, and confirm that the ground wire is reliably connected.
3. Debugging & Daily Use
After installation, restore the power supply and conduct systematic debugging. First, perform no-load power-on inspection: confirm the inverter fan operates normally, and test the input and output voltage with a multimeter to ensure they are balanced. Set basic motor parameters (rated voltage, frequency, current, pole number) according to the motor nameplate, and select the appropriate control mode (V/F control or vector control) based on the elevator load characteristics. Conduct motor parameter self-tuning to ensure control accuracy. Adjust acceleration and deceleration time parameters—set a longer time for heavy loads and enable S-curve acceleration if necessary to avoid overcurrent. Finally, perform load commissioning to ensure the elevator runs smoothly at all speeds. During daily use, maintenance personnel should clean the inverter surface and cooling vents regularly with a dry cloth. Check terminal tightness and fan operation monthly, and promptly handle any fault codes displayed. Backup parameters via USB or the operation panel and avoid using water or corrosive cleaning agents.
Replacement Cycle of Elevator Inverter DR-VSB032 & DR-VSB021
The replacement cycle of the DR-VSB032 and DR-VSB021 elevator inverters is affected by factors such as usage frequency, working environment, and maintenance quality. Under normal use conditions—elevator operation time is 12-24 hours a day, the machine room is kept dry and well-ventilated, and regular maintenance is performed in accordance with the “Elevator Maintenance Rules”—Nanjing Zhuye Elevatorparts recommends a replacement cycle of 8-10 years. This cycle is formulated based on a large number of field test data and TSG T7001-2023 elevator inspection regulations, fully considering the aging of IGBT modules, the attenuation of capacitor performance, and the degradation of circuit stability.
For elevators in high-traffic areas such as shopping malls, airports, and subway stations, where the daily operation time exceeds 20 hours, or in harsh environments with high humidity, heavy dust, or large temperature fluctuations, the replacement cycle should be shortened to 6-8 years. High-frequency operation and harsh environments accelerate the aging of internal components. For elevators with low usage frequency, such as villa elevators and small office buildings with daily operation time less than 8 hours, if maintained properly, the replacement cycle can be extended to 10-12 years. However, professional technicians from Nanjing Zhuye Elevatorparts should conduct annual inspections on inverters over 10 years old, focusing on testing insulation performance, output stability, and protection function effectiveness.
Regardless of the service life, the DR-VSB032/DR-VSB021 inverter should be replaced immediately if any of the following problems occur: frequent overcurrent, overvoltage, or overtemperature faults that cannot be resolved by parameter adjustment; obvious damage to the shell, burnout of internal modules, or failure of the cooling system; significant degradation of output stability, leading to unstable elevator operation or abnormal noise; the inverter cannot pass the annual safety inspection; the inverter is severely corroded or damaged due to accidents. Timely replacement of the inverter is critical to avoid serious safety accidents such as elevator out-of-control or sudden shutdown.
The Elevator Inverters DR-VSB032 and DR-VSB021 from Nanjing Zhuye Elevatorparts combine reliable safety performance, efficient energy-saving design, and wide compatibility, making them ideal choices for elevator maintenance and renovation. As core components of the elevator drive system, they play a decisive role in ensuring the smooth, safe, and energy-saving operation of elevators. With strict quality assurance and perfect after-sales service, they have won the trust of numerous elevator maintenance enterprises and property management companies. By following the correct usage methods and replacement cycles, you can effectively reduce the failure rate of the elevator system and lower energy consumption costs. Nanjing Zhuye Elevatorparts provides 100% genuine DR-VSB032 and DR-VSB021 inverters, and offers professional technical support and after-sales service, including model matching, installation guidance, and on-site debugging. Choose Nanjing Zhuye Elevatorparts to get reliable elevator safety components and intimate services.
