Product Overview

The ABB 3BHB90211000595 is a high-performance medium-voltage voltage drive from the ABB ACS2000 series, engineered for precise control of industrial motors in demanding heavy-duty applications . This frequency converter serves as the critical interface between fixed grid voltage and adjustable motor speed, converting constant-frequency power into variable voltage and frequency output to enable smooth, energy-efficient motor operation . As a core component of ABB’s medium-voltage drive portfolio, the ABB 3BHB90211000595 is designed for direct grid connection or operation with an external input isolation transformer, providing flexibility for a wide range of installation scenarios .

The ABB 3BHB90211000595 is powered by ABB’s proven Direct Torque Control (DTC) technology, which delivers rapid torque response, precise speed regulation, and exceptional dynamic performance without requiring an external encoder . The drive’s modular architecture incorporates a diode front end (DFE) rectifier enabling two-quadrant operation, an inverter unit (INU) that converts DC voltage to variable AC output, and a sophisticated AMC (Application Motor Controller) circuit board that serves as the digital signal processing heart of the control system . With robust overload capability, comprehensive protective features, and support for multiple fieldbus communication protocols including Profibus DP, Modbus RTU, and Modbus TCP, the ABB 3BHB90211000595 delivers the reliability and performance required for critical process applications in industries such as mining, metals, oil and gas, and water treatment . The drive’s fuseless design, air-cooled construction, and IP21 protection class ensure dependable operation in harsh industrial environments, making the ABB 3BHB90211000595 an indispensable component for modernizing legacy motor control systems or equipping new installations .

 

Technical Specifications

Parameter Name	Value
Product Model	ABB 3BHB90211000595
Manufacturer	ABB
Product Type	Medium-Voltage AC Drive / Frequency Converter
Series	ACS2000
Rated Power	250 kW (typical)
Input Voltage	AC 690V, 3-phase
Output Voltage	0-690V AC (adjustable)
Output Frequency Range	0-650 Hz
Control Methods	Direct Torque Control (DTC), V/F Control
Overload Capacity	150% rated current for 60 seconds
Speed Regulation Range	1:100
Communication Interfaces	Profibus DP, Modbus RTU, Modbus TCP, Ethernet
Protection Class	IP21
Cooling Method	Forced air cooling
Operating Temperature	-10°C to +40°C (no derating)
Efficiency	Converter efficiency ≥97.5%
Input Power Factor	>0.95 (diode rectifier)
Dimensions (approx.)	850mm x 600mm x 1200mm
Weight (approx.)	280 kg
Certifications	CE, UL, IEC 61000, IEEE 519

 

Main Features and Advantages

High-Power Handling with Robust Overload Capacity: The ABB 3BHB90211000595 delivers a rated power of 250kW, with a 150% overload capability sustained for 60 seconds . This exceptional overload margin ensures reliable operation during demanding conditions such as crusher jams, pump blockages, or sudden load transients in steel rolling applications, preventing costly process interruptions and protecting downstream equipment.

Direct Torque Control (DTC) for Superior Performance: Leveraging ABB’s industry-leading DTC technology, the ABB 3BHB90211000595 provides instantaneous torque and speed control without requiring a feedback encoder . The AMC circuit board implements high-speed digital signal processing that enables torque response times of under 5ms, ensuring precise motor control across the entire speed range . This capability is particularly critical for applications requiring rapid load compensation, such as conveyor drives and extruder control.

Energy Efficiency and Significant Cost Savings: The ABB 3BHB90211000595 achieves converter efficiency exceeding 97.5%, minimizing energy losses and reducing operating costs . By matching motor speed to actual load demand in variable-torque applications such as fans and pumps, the ABB 3BHB90211000595 typically delivers energy savings of 30% or more compared to traditional fixed-speed operation . The drive’s near-unity input power factor (>0.95) further reduces electrical losses and eliminates the need for external power factor correction equipment .

Comprehensive Protection and Enhanced Reliability: The ABB 3BHB90211000595 incorporates multiple protection mechanisms including overcurrent, overvoltage, undervoltage, phase loss, motor overload, and motor overtemperature protection . The fuseless design eliminates the need for high-voltage fuse replacement and reduces maintenance costs . Additionally, the ABB 3BHB90211000595 integrates advanced EMI shielding to ensure stable communication and control even in electrically noisy environments with multiple variable frequency drives and welding equipment .

Flexible Communication and Seamless System Integration: The ABB 3BHB90211000595 supports a comprehensive suite of industrial communication protocols, including Profibus DP, Modbus RTU, Modbus TCP, Ethernet, and DeviceNet . Fieldbus communication is implemented via fiber-optic connections to the AMC circuit board, ensuring galvanic isolation and immunity to electromagnetic interference . This extensive protocol support ensures the ABB 3BHB90211000595 can be seamlessly integrated with ABB controllers (PLC/DCS) and third-party supervisory systems.

Modular Construction for Simplified Maintenance: The ABB 3BHB90211000595 features a modular design that simplifies installation, configuration, and maintenance . The swing frame construction provides convenient access to control components, while the IOEC4 I/O modules and AMC circuit boards are readily replaceable . The drive is supported by ABB’s DriveWindow and DriveDebug software tools, enabling rapid commissioning, parameter tuning, and remote diagnostics .