Добро пожаловать в BKPOWER!
Variable Frequency Drive(VFD)丨3‑Phase BK-ZHB Series(4~5.5kw)
ПАРАМЕТРЫ ПРОДУКТА
Описание
Обзор продукции
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.
Приложения
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
Характеристики товара
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.
Технические характеристики
| Power Capacity (KW/HP) | 4KW/5.5HP,5.5KW/7.5HP | |
| Фаза | Трехфазный | |
| Вход | Диапазон напряжения | 380~440VAC/500~800VDC |
| Rated Frequency | 47~63Hz | |
| Коэффициент мощности | ≥0.95 (when input reactor is optional) | |
| Выход | Rated Voltage Range | 0~440VAC |
| Диапазон частот | 0~600Hz | |
| Перегрузочная способность | 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% | |
| Форма волны | Чистая синусоида | |
| Гармонические искажения | 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 | |
| Функция защиты | 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 | |
| Перегрузка | 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 | |
| Экологический | Рабочая температура | -10℃~40℃; Derating required when 40℃~50℃ |
| Рабочая влажность | 5%~95%RH, no condensation | |
| Высота над уровнем моря | ≤1000m; Derate 10% for every 1000m increase | |
| Vibration Requirement | ＜0.5G (avoid damage from falling) | |
| Structure and Installation | Уровень защиты | IP20 |
| Метод охлаждения | Air cooling (with intelligent fan control) | |
| Способ установки | Wall-mounted/Cabinet-type | |
Model Comparison Chart
| ZHB560 Series(Three-Phase VFD) | Power (KW /HP) | Size(MM) L*W*H | N.W(KG) |
| ZHB560-4KW | 4KW/5.5HP | 150*95*212 | 1.4 |
| ZHB560-5.5KW | 5.5KW/7.5HP | 150*95*212 | 1.4 |
Note: Size and weight vary by voltage range, subject to the customized three-phase frequency inverter product.
Installation Dimensions
Main Unit Dimensions
| Модель | H1(mm) | H2(mm) | W1(mm) | D1(mm) | H(mm) | W(mm) | D(mm) | Mounting Holes(mm) |
| Installation Dimensions | External Dimensions | |||||||
| 4KW-5.5KW | 200 | 195 | 78 | 12.5 | 212 | 95 | 150.1 | 5 |
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 – Three-Phase Variable Frequency Drive (VFD) Selection Guide
Q1: How do I choose the right power rating for my three-phase VFD?
Select a VFD with a rated output power that matches or slightly exceeds your motor’s nominal power. For example, if your motor is 75kW, consider a VFD rated at 90kW to accommodate potential overloads and ensure reliable operation under peak loads.
🔍 Keywords: how to select VFD power rating, 75kW VFD selection, correct VFD size for motor
Q2: What input voltage should I look for in a three-phase VFD?
The input voltage of the VFD must match your available supply voltage. Common ratings include 380V/400V/415V (for Europe and Asia), 460V/480V (for North America), and 575V (for Canada). Always verify local standards and electrical codes.
🔍 Keywords: three-phase VFD input voltage, 480V VFD, compatible VFD voltage for industrial use
Q3: Can this VFD be used with both constant torque and variable torque loads?
Yes, our VFDs support multiple control modes including V/F (variable frequency/voltage) for fans and pumps (variable torque), and vector control (SVC or FOC) for conveyors, elevators, and cranes (constant torque). Ensure you select the appropriate mode based on your application.
🔍 Keywords: VFD for constant torque, variable torque VFD, VFD control modes, conveyor drive vs fan drive
Q4: What environmental conditions should I consider when selecting a VFD?
Environmental factors such as temperature, humidity, dust, and corrosive gases can affect VFD performance. Look for models with IP ratings suited to your environment (e.g., IP20 for indoor use, IP54/IP65 for dusty or wet areas). Also, check ambient temperature ranges, typically -10°C to +50°C, but some models operate up to +60°C.
🔍 Keywords: VFD for harsh environments, IP54 VFD, high-temperature VFD, dust-proof VFD
Q5: Does the VFD need to support specific communication protocols?
If your system requires integration with PLCs, SCADA systems, or other automation platforms, ensure the VFD supports necessary communication protocols like Modbus RTU, Profibus DP, CANopen, EtherNet/IP, or Profinet. Some advanced models offer built-in IoT connectivity for remote monitoring.
🔍 Keywords: VFD with Modbus, Profinet VFD, industrial inverter with communication, smart VFD with IoT
Q6: What safety features should I look for in a VFD?
Key safety features include short-circuit protection, overload protection, ground fault detection, and emergency stop functionality. For applications involving lifting or hoisting (e.g., elevators, cranes), regenerative braking and anti-slip mechanisms are crucial for safe operation.
🔍 Keywords: VFD safety features, overload protection VFD, regenerative braking VFD, elevator drive safety
Q7: Should I choose a wall-mounted or cabinet-type VFD?
Wall-mounted VFDs are compact and suitable for space-constrained installations. Cabinet-type VFDs provide better protection against environmental factors and are ideal for larger installations or harsh conditions. Consider the available installation space and environmental requirements when making your choice.
🔍 Keywords: wall-mounted VFD, cabinet-type VFD, compact VFD installation, VFD for limited space
Q8: How important is harmonic mitigation in VFD selection?
Harmonic distortion can cause overheating and damage to electrical equipment. If your application involves sensitive electronics or requires compliance with IEEE 519 standards, look for VFDs with built-in harmonic filters or options for external filters. Active front-end (AFE) technology is another solution for reducing harmonics.
🔍 Keywords: harmonic mitigation VFD, low-harmonic VFD, IEEE 519 compliant VFD, active front-end VFD
Q9: What additional accessories might I need for my VFD installation?
Depending on your application, you may require accessories such as EMC filters, braking resistors, line reactors, terminal blocks, or remote control panels. Consult the manufacturer’s documentation or contact technical support for recommendations specific to your setup.
🔍 Keywords: VFD accessories, braking resistor for VFD, EMC filter VFD, line reactor VFD
Вопросы и ответы
Что такое UPS?
Какова основная роль UPS?
Какие бывают типы ИБП?
Как выбрать мощность ИБП?
Как определяется время работы ИБП в режиме ожидания?
