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Variable Frequency Drive(VFD)丨3‑Phase BK-ZHB Series(7.5~22kw)
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Descripción
Productos
The BK-ZHB560 series (3 Phase) heavy-duty Variable Frequency Drive (VFD) is a high-performance current vector frequency converter tailored for heavy-duty industrial applications requiring three-phase power supply. As a professional three-phase AC drive, it is ideal for driving general-purpose three-phase AC asynchronous motors, and excels in powering equipment like industrial crushers, large ball mills, heavy-duty elevator drive (elevators), hydraulic presses, steel rolling mill auxiliaries, and mining conveyor drive (conveyors).
This three-phase heavy-duty VFD supports two advanced control modes: V/F control and sensorless vector control (SVC). It boasts 1.5 times rated current overload capacity, outstanding low-frequency high-torque output (150% rated torque at 0.25Hz in SVC mode), and a comprehensive fault protection mechanism. Designed to adapt to three-phase grid characteristics, this frequency inverter effectively withstands grid voltage fluctuations, minimizes energy losses, and enhances operational stability for large-scale industrial production as a reliable inverter drive.
Its core design focuses on high reliability, robust environmental adaptability, and precise control under heavy-duty conditions. Through optimized heat dissipation, reinforced circuits, and industrial-grade components, this three-phase AC drive ensures long-term stable operation in harsh environments—meeting the uninterrupted demands of critical industrial processes.
Aplicaciones
The BK-ZHB560 Series Heavy-Duty Industrial Frequency Inverter is widely used in high-load industrial scenarios and critical infrastructure, providing stable drive solutions for heavy-duty equipment with high starting torque requirements:
Heavy Industry & Metallurgy
- Steel rolling mills, continuous casting equipment
- Non-ferrous metal smelting & calendering machines
- Ore crushers, ball mills, and mineral processing equipment
- Metallurgical hoisting cranes, ladle transfer equipment
Mining & Construction Materials
- Mine belt conveyor drive (conveyors), bucket elevators
- Cement mill drives, rotary kilns
- Stone crushers, sand making machines
- Construction tower cranes, hoisting systems
Port & Logistics Handling
- Shore container cranes, gantry cranes
- Grab ship unloaders, bulk material handlers
- Heavy-duty conveyor drive (conveyors), automated storage stackers
- Container loading/unloading equipment
Chemical & Petroleum Industry
- Chemical reactor agitators, pressure vessel drives
- Oil drilling rigs, well workover machines
- Large air compressors, reciprocating pump inverter (pumps)
- Pipeline transportation pump inverter (pumps), oil refining equipment
Water Treatment & Environmental Protection
- Sewage lifting pump inverter (pumps), sludge dewatering presses
- Aeration fan inverter (blowers), chemical dosing pump inverter (pumps)
- Waste incineration plant grate drives
- Desalination plant high-pressure pump inverter (pumps)
New Energy & Power Systems
- Wind turbine pitch control systems
- Solar energy storage system pump inverter (pumps)
- Power plant boiler feed pump inverter (pumps), induced draft fan inverter (fans)
- New energy vehicle production line heavy-duty conveyor drive (conveyors)
Agriculture & Food Processing
- Large agricultural machinery (combine harvesters, tractors)
- Grain drying equipment, bulk material conveyor drive (conveyors)
- Oil press machines, food extrusion equipment
- Feed grinder drives, mixing machines
Características del producto
Diversified and Precise Control Technology for VFD
Supports V/F control and SVC for variable frequency drive, flexibly switched based on heavy-duty equipment characteristics. This frequency inverter outputs 150% rated torque at 0.25Hz, with strong loaded starting capability and ≤±0.2% steady-state speed accuracy—meeting high-demand industrial precision needs as an AC drive.
Intelligent Integration and Interconnection Capability of Frequency Converter
Built-in PID controller with preset frequency function for VFD, directly connecting to pressure/flow closed-loop control. Standard RS485 interface (Modbus-RTU protocol) facilitates remote control and system integration, reducing automation transformation difficulty for this inverter drive.
Stable Heat Dissipation and Protection Design for Industrial AC Drive
Fully sealed heat dissipation duct for frequency inverter isolates dust and moisture, with strong environmental adaptability. Intelligent air-cooled control ensures excellent heat dissipation, enabling long-term stable operation at -10℃~40℃. IP20 protection complies with industrial standards, reducing external environment impact on this industrial frequency inverter.
Comprehensive Safety Protection System for VFD
Integrates 9 core protections (overcurrent, overvoltage, undervoltage, overheating, phase loss, short circuit, etc.) for variable frequency drive. It avoids equipment failure risks under heavy loads, maximizing motor and frequency converter service life.
Flexible Installation for Inverter Drive
Simple installation with wall-mounted/cabinet-type options for frequency inverter to adapt to different spaces. 0.5kHz~16.0kHz adjustable carrier frequency balances low noise and load adaptability, matching drive needs of crushers, cranes, and pump inverter (pumps) as a professional three-phase AC drive.
Especificaciones
| Power Capacity (KW/HP) | 7.5 KW/10HP,11KW/15HP, 15KW/20HP, 18.5 KW/25HP, 22KW/30HP | |
| Fase | Trifásico | |
| Entrada | Rango de tensión | 380~440VAC/500~800VDC |
| Rated Frequency | 47~63Hz | |
| Factor de potencia | ≥0.95 (when input reactor is optional) | |
| Salida | Rated Voltage Range | 0~440VAC |
| Gama de frecuencias | 0~600Hz | |
| Capacidad de sobrecarga | 150% rated current/60s, 180% rated current/3s; | |
| Torque Characteristic | 150% rated torque at 3.0Hz (V/F control); 150% rated torque at 0.25Hz (SVC mode) | |
| Frequency Resolution | Digital setting 0.01Hz; Analog input maximum frequency × 0.025% | |
| Forma de onda | Onda sinusoidal pura | |
| Distorsión armónica | THD＜2% for linear load; THD＜7% for non-linear load | |
| Control | Control Mode | V/F control (linear, multi-point, N-th power curve), Sensorless Vector Control (SVC) |
| V/F Curve Options | 1.2nd power, 1.4th power, 1.6th power, 1.8th power, 2nd power, supporting VF full separation/half separation mode | |
| Torque Boost | Automatic boost; Manual setting 0.0%~30.0% | |
| Acceleration/Deceleration Time | 0.0s~6500.0s continuously adjustable, supporting S-type and linear mode | |
| Carrier Frequency | 0.5kHz~16.0kHz continuously adjustable, supporting automatic adjustment with temperature | |
| Speed Control Precision | Steady-state precision ≤±0.2% rated synchronous speed; Speed fluctuation ≤±0.5% rated synchronous speed | |
| Torque Response Time | ≤20ms (Sensorless Vector Control) | |
| Motor Parameter Self-detection | Supports static and dynamic parameter automatic detection | |
| Función de protección | Overcurrent | Quick shutdown when overcurrent occurs during acceleration/deceleration/constant speed, with fault code alarm |
| Overvoltage/Undervoltage | Overvoltage: ＞760V (configurable); Undervoltage: ＜350V (configurable), graded frequency reduction or shutdown | |
| Overheating | Module temperature ≥75℃ for early warning, ≥100℃ for shutdown | |
| Sobrecarga | Dual protection for inverter overload and motor overload, overload early warning coefficient adjustable from 50% to 100% | |
| Phase Loss | Automatic detection, fault alarm and shutdown | |
| Other Protections | Short circuit, module fault, electronic thermal relay, input/output phase loss, motor parameter tuning abnormality, internal memory fault, etc. | |
| Communication & Interface | Communication Interface | RS485 (485+, 485- terminals) |
| Communication Protocol | Modbus-RTU protocol | |
| Baud Rate | 1200BPS~115200BPS adjustable | |
| Data Format | No parity (8-N-2/8-N-1), Even parity (8-E-1), Odd parity (8-O-1) | |
| Analog Input | AI1 (0~10V/0~20mA), AI2 (0~10V); Input impedance 100KΩ (voltage)/500Ω (current) | |
| Analog Output | AO1, AO2 (0~10V/0~20mA), supporting display of 16 physical quantities | |
| Digital Input | 7-channel multi-function terminals (X1~X7), 0~24V level signal, active low | |
| Digital Output | 1-channel open-collector output, 1-channel high-speed pulse output, 2-channel programmable relay outputs | |
| Medio ambiente | Temperatura de funcionamiento | -10℃~40℃; Derating required when 40℃~50℃ |
| Humedad de funcionamiento | 5%~95%RH, no condensation | |
| Altitud | ≤1000m; Derate 10% for every 1000m increase | |
| Vibration Requirement | ＜0.5G (avoid damage from falling) | |
| Structure and Installation | Nivel de protección | IP20 |
| Método de refrigeración | Air cooling (with intelligent fan control) | |
| Método de instalación | Wall-mounted/Cabinet-type | |
Model Comparison Chart
| ZHB560 Series(Three-Phase VFD) | Power (KW /HP) | Size(MM) L*W*H | N.W(KG) |
| ZHB560-7.5KW | 7.5KW/10HP | 179*140*241 | 3.2 |
| ZHB560-11KW | 11KW/15HP | 179*140*241 | 3.2 |
| ZHB560-15KW | 15KW/20HP | 187*165*280 | 4.9 |
| ZHB560-18.5KW | 18.5KW/25HP | 187*165*280 | 4.9 |
| ZHB560-22KW | 22KW/30HP | 187*165*280 | 4.9 |
Note: Size and weight vary by voltage range, subject to the customized three-phase frequency inverter product.
Installation Dimensions
Main Unit Dimensions
| Modelo | H1(mm) | H2(mm) | W1(mm) | D1(mm) | H(mm) | W(mm) | D(mm) | Mounting Holes(mm) |
| Installation Dimensions | External Dimensions | |||||||
| 7.5KW-11KW | 229 | / | 129 | / | 241.5 | 140 | 179.1 | 5.5 |
| 15KW-22KW | 298 | / | 135 | / | 312 | 166 | 192.1 | 6 |
Keypad Dimensions
| Dimensions and Cutout Size | Keyboard Height | ||||
| W1(mm) | H1(mm) | W2(mm) | H2(mm) | D1(mm) | D2(mm) |
| 74 | 59 | 70.2 | 54.8 | 17 | 14 |
✅ FAQs – High-Performance Vector Control Three-Phase VFD
Q1: What makes this high-performance vector control VFD different from standard models?
This VFD features advanced Field-Oriented Control (FOC) or Sensorless Vector Control (SVC), providing superior torque and speed control accuracy, especially at low speeds. It is ideal for applications requiring precise motor control, such as CNC machines, robotics, and automated production lines.
🔍 Keywords: high-performance vector control VFD, FOC VFD, SVC VFD, precision motor control
Q2: How does this VFD improve energy efficiency in my application?
By optimizing the motor’s operation based on real-time load conditions, this VFD reduces energy consumption by up to 30%. Its dynamic torque boost function ensures that only the necessary power is supplied, minimizing waste and extending equipment life.
🔍 Keywords: energy-efficient VFD, dynamic torque boost, reduce energy consumption with VFD
Q3: Can this VFD be used for both synchronous and asynchronous motors?
Yes, our high-performance VFD supports both induction motors and permanent magnet synchronous motors (PMSM). This flexibility allows you to upgrade your system without replacing existing motors, saving costs and time.
🔍 Keywords: VFD for synchronous motors, PMSM compatible VFD, induction motor VFD
Q4: What are the benefits of using a high-precision encoder feedback system with this VFD?
When paired with an encoder, this VFD achieves speed regulation accuracy within ±0.01%, making it suitable for applications where precise positioning and speed control are critical, such as textile machines, printing presses, and packaging systems.
🔍 Keywords: encoder feedback VFD, high-precision speed control, ±0.01% speed regulation
Q5: How does this VFD handle overload situations?
Equipped with intelligent overload protection, this VFD can withstand 150% of its rated current for up to 60 seconds and 180% for 10 seconds, ensuring continuous operation during peak loads without damaging the motor or drive.
🔍 Keywords: overload protection VFD, 150% overload capacity, reliable VFD for heavy-duty use
Q6: Is this VFD suitable for environments with high levels of electromagnetic interference (EMI)?
Yes, our VFD includes built-in EMC filters and complies with international standards like CE and UL, reducing EMI emissions and protecting sensitive electronic components from interference. For extreme cases, additional external filters can be installed.
🔍 Keywords: EMC filter VFD, EMI reduction, CE certified VFD, UL listed VFD
Q7: Does this VFD support remote monitoring and diagnostics?
Absolutely. With optional communication modules supporting Modbus TCP/IP, Profinet, EtherNet/IP, or CANopen, this VFD enables seamless integration into your factory’s automation network, allowing for remote monitoring, predictive maintenance, and real-time diagnostics.
🔍 Keywords: remote monitoring VFD, IoT-compatible VFD, smart factory VFD, communication protocols for VFD
Q8: What kind of warranty and technical support do you offer for this VFD?
We provide a standard two-year warranty on all components and lifetime technical support via phone, email, or online chat. Our team of engineers is available to assist with installation, troubleshooting, and optimization of your VFD system.
🔍 Keywords: VFD warranty, technical support for VFD, installation assistance, lifetime support
Preguntas frecuentes
¿Qué es UPS?
¿Cuál es la función principal del SAI?
¿Cuáles son los tipos de SAI?
¿Cómo elegir la capacidad de potencia del SAI?
¿Cómo se determina el tiempo de espera de un SAI?
