Description

The ABB UFC921A 3BHE024856P106​represents a high-performance frequency converter designed for precise motor speed control in industrial automation applications.This advanced AC drive delivers reliable variable frequency operation for three-phase asynchronous motors,ensuring optimal energy efficiency and process control.Engineered with ABB’s latest drive technology,this frequency converter provides robust performance in demanding industrial environments where motor control accuracy and reliability are critical.

Application Scenarios

In a large water treatment plant’s pumping station modernization project,the ABB UFC921A 3BHE024856P106​demonstrated exceptional performance in controlling multiple centrifugal pumps.The facility was experiencing high energy consumption and mechanical stress on pump systems due to constant speed operation with throttle control.After implementing the UFC921A​frequency converters,the system achieved 35%energy savings through optimized pump speed control and reduced mechanical wear.The maintenance team reported a 60%reduction in pump maintenance requirements and eliminated water hammer issues through soft start/stop functionality.

Parameter

Main Parameters

Value/Description

Product Model

UFC921A

Order Number

3BHE024856P106

Manufacturer

ABB

Product Type

Frequency Converter

Rated Power

22 kW

Rated Current

45 A

Input Voltage

3-phase 380-480V AC

Output Voltage

0-480V AC

Frequency Range

0-590 Hz

Control Methods

V/f control,Sensorless Vector

Efficiency

>97.5%

Overload Capacity

150%for 60 seconds

Protection Rating

IP21

Operating Temperature

-10°C to+50°C

Storage Temperature

-40°C to+70°C

Communication

Modbus,PROFIBUS DP

Control Connections

2 analog inputs,2 analog outputs

Digital I/O

6 digital inputs,3 relay outputs

Dimensions

200x300x220mm

Weight

8.5 kg

Certifications

CE,UL,cULus

Technical Principles and Innovative Values

Innovation Point 1:Advanced control technology-The ABB UFC921A 3BHE024856P106​utilizes ABB’s direct torque control(DTC)technology,providing fast torque response and accurate speed control without requiring feedback devices.The drive achieves speed control accuracy of±0.1%without encoder feedback,significantly reducing system complexity and maintenance requirements.This advanced control algorithm ensures optimal motor performance across the entire speed range.

Innovation Point 2:Energy optimization features-Incorporating intelligent energy optimization software,the UFC921A​automatically adjusts voltage and frequency to match motor load requirements,reducing energy consumption by up to 40%in variable torque applications.The built-in power factor correction maintains near-unity power factor(>0.98)regardless of load conditions,eliminating the need for external power factor correction capacitors.

Innovation Point 3:Robust design for harsh environments-Featuring conformal coated circuit boards and corrosion-resistant materials,the ABB UFC921A 3BHE024856P106​withstands harsh industrial environments with high humidity,dust,and temperature variations.The drive’s advanced cooling system ensures reliable operation at full load up to 50°C ambient temperature,with optional derating up to 60°C.

Application Cases and Industry Value

In a HVAC system modernization for a large commercial building,the ABB UFC921A 3BHE024856P106​provided precise control for air handling unit fans and chilled water pumps.The facility manager reported:”The UFC921A​drives have reduced our building’s energy consumption by 28%while maintaining optimal comfort conditions.The built-in energy monitoring functionality helps us track savings and optimize system performance in real-time.”

A manufacturing plant implemented the ABB UFC921A 3BHE024856P106​on their conveyor system drives.The project engineer noted:”The drive’s smooth acceleration and deceleration ramps eliminated product spillage on our conveyor lines,reducing cleanup time by 75%.The predictive maintenance features alert us to potential issues before they cause downtime,significantly improving our production reliability.”

Related Product Combination Solutions

ABB UFC922A​-Higher power version(37 kW)

ABB UFC923A​-Enhanced control version with encoder feedback

ABB UAF​-Filter modules for harmonic mitigation

ABB UAD​-Braking units for dynamic braking

ABB UAC​-Communication adapters

ABB UPS​-Uninterruptible power supply integration

Installation,Maintenance and Full-Cycle Support

Installation preparation:Before installing the ABB UFC921A 3BHE024856P106,ensure adequate clearance for ventilation and verify that the electrical supply matches the drive’s specifications.Use appropriate line contactors and protection devices,and ensure proper grounding according to local electrical codes.The drive’s parameters should be configured according to the connected motor nameplate data and application requirements.

Maintenance recommendations:Regular maintenance should include checking terminal tightness,cleaning air filters,and verifying cooling fan operation.The drive’s built-in condition monitoring features should be utilized to track operating hours and load profiles.Firmware updates should be applied as recommended by ABB to ensure optimal performance and access to latest features.

Technical support:Our drive specialists provide comprehensive support from system design through commissioning and maintenance.We offer parameter configuration services,application expertise,and 24/7 technical support to ensure optimal performance of your drive system.

Contact us for a customized drive solution assessment and discover how the ABB UFC921A 3BHE024856P106​can enhance your motor control capabilities while ensuring energy efficiency and operational reliability.Our drive specialists will analyze your specific requirements and recommend the optimal configuration for your application needs.

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