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1Phase→3Phase 380V VFD | BK-ZHB600-1/3 Series(0.75-4KW) Frequency Inverter
PRODUCT PARAMETERS
Description
Product Overview
The BK-ZHB600 Series (1Phase→3Phase 380V) AC-AC heavy-duty Variable Frequency Drive (VFD) is a high-performance frequency converter tailored for single-phase 220V power supply scenarios requiring three-phase 380V motor drive. As a compact phase-conversion AC drive, it is ideal for small pump inverter (pumps), compressors, and heavy-load small equipment, supporting V/F control & SVC control.
This 1PH→3PH VFD boasts 150% rated current overload capacity (60s), outstanding low-frequency high-torque output, and a comprehensive fault protection mechanism. Designed to adapt to diverse grid characteristics, this inverter drive effectively handles grid voltage fluctuations, minimizes energy losses, and enhances operational stability for small-scale industrial production.
Its core design focuses on high reliability, strong environmental adaptability, and precise control under heavy-duty conditions. Through optimized heat dissipation and circuit layout, this phase-conversion frequency inverter ensures long-term stable operation in harsh industrial environments.
Applications
The BK-ZHB600 Series (1Phase→3Phase 380V) AC-AC Phase-Conversion Industrial Frequency Inverter is widely used in small-to-medium industrial scenarios, commercial facilities, and small-scale operations relying on single-phase power supply, providing stable drive solutions for equipment with high starting torque requirements:
Light Industry & Metallurgical Auxiliaries
- Small-scale non-ferrous metal processing equipment (mini calenders)
- Laboratory-grade ore crushers, small ball mills
- Small metallurgical hoisting tools, portable ladle transfer devices
- Light-duty steel processing auxiliary equipment
Miniature Mining & Construction Materials
- Small mine auxiliary conveyor drive (conveyors) (portable belt conveyors)
- Household/small-scale stone crushers, mini sand making machines
- Small construction hoists, portable tower crane auxiliary drives
- Small cement mixer drives, mini concrete mixing equipment
Small-Scale Port & Logistics Handling
- Small warehouse automated storage stackers (light-duty models)
- Portable container loading/unloading auxiliary equipment
- Small-scale conveyor drive (conveyors) (workshop internal material transfer)
- Lightweight grab handlers (small bulk material handling)
Chemical & Petroleum Auxiliaries
- Small chemical reactor agitators (laboratory or small-batch production)
- Portable oil drilling auxiliary pump inverter (pumps)
- Small air compressors, mini reciprocating pump inverter (pumps)
- Small pipeline transportation pump inverter (pumps) (local oil/gas transfer)
Small-Scale Water Treatment & Environmental Protection
- Sewage lifting pump inverter (pumps) (residential or small industrial areas)
- Mini aeration fan inverter (blowers), small chemical dosing pump inverter (pumps)
- Small waste incineration plant auxiliary drives
- Portable desalination equipment (small-scale offshore or rural use)
New Energy & Power System Auxiliaries
- Small wind turbine pitch control auxiliary motors
- Solar energy storage system small pump inverter (pumps)
- Small power plant boiler auxiliary pump inverter (pumps) (mini feed pumps)
- New energy vehicle production line auxiliary conveyor drive (conveyors) (light-duty)
Agriculture & Food Processing
- Small agricultural machinery (portable combine harvesters, mini tractors)
- Grain drying equipment (small-scale farm use)
- Household/small-scale oil press machines, food extrusion equipment
- Small feed grinder drives, mini mixing machines
Commercial & Industrial Auxiliaries
- Small HVAC inverter (HVAC system pumps, mini fans) (commercial buildings)
- Light-duty workshop machine tools (small lathes, drilling machines)
- Portable elevator drive (elevators) (small residential or warehouse elevators)
- Small-scale printing and packaging equipment drives
Product Features
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 small-scale 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 Phase-Conversion 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 limited spaces. 0.5kHz~16.0kHz adjustable carrier frequency balances low noise and load adaptability, matching drive needs of small pump inverter (pumps), crushers, and compressors as a professional phase-conversion AC drive.
High Energy Efficiency
Efficiency reaches >95% for variable frequency drive, reducing energy consumption in long-term operation—ideal for energy-saving upgrades of small equipment.
Clear Display
Equipped with LED screen for intuitive status monitoring of the VFD, facilitating operation and maintenance.
Specifications
| Power Capacity (KW/HP) | 0.75KW/1HP,1.5KW/2HP,2.2KW/3HP,3KW/4HP,4KW/5.5HP | |
| Phase | Input: 1PH; Output: 3PH | |
| Input | Voltage Range | 220VAC (single-phase input AC drive) |
| Rated Frequency | 47Hz~63Hz | |
| Power Factor | ≥0.95 (when input reactor is optional) | |
| Output | Rated Voltage Range | 380VAC (three-phase output variable frequency drive) |
| Frequency Range | 0~600Hz | |
| Overload Capacity | 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% | |
| Waveform | Pure sine wave | |
| Harmonic Distortion | 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 | |
| Protection Function | 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 | |
| Overload | 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 | |
| Environmental | Operating Temperature | -10℃~40℃; Derating required when 40℃~50℃ |
| Operating Humidity | 5%~95%RH, no condensation | |
| Altitude | ≤1000m; Derate 10% for every 1000m increase | |
| Vibration Requirement | ＜0.5G (avoid damage from falling) | |
| Structure and Installation | Protection Level | IP20 |
| Cooling Method | Air cooling (with intelligent fan control) | |
| Installation Method | Wall-mounted/Cabinet-type | |
Model Comparison Chart
| ZHB600 Series | Power (KW /HP) | Size(MM) L*W*H | N.W(KG) |
| ZHB600-1/3-0.75KW(380V) | 0.75KW/1HP | 72*114*146 | 0.8 |
| ZHB600-1/3-1.5KW(380V) | 1.5KW/2HP | 72*114*146 | 0.8 |
| ZHB600-1/3-2.2KW(380V) | 2.2KW/3HP | 72*114*146 | 0.8 |
| ZHB600-1/3-3KW(380V) | 3KW/4HP | 72*114*146 | 1.0 |
| ZHB600-1/3-4KW(380V) | 4KW/5.5HP | 120*160*240 | 1.3 |
Note: The size and weight vary depending on the voltage range, and are subject to the customized actual product.
Installation Dimensions
Main Unit Dimensions
FAQs
- What is a 1Phase→3Phase 380V Variable Frequency Drive (VFD)?A phase-conversion VFD (also called frequency inverter) converts 220V single-phase AC to 380V three-phase power, controlling three-phase motor speed for single-phase power supply scenarios.
- Can this pump inverter / fan inverter power 380V industrial pumps?Yes, it’s optimized for 0.75~4KW 380V pumps/fans, with 150% low-frequency torque and stable output—perfect for small industrial water pumps.
- How does this phase-conversion AC drive adapt to single-phase power grids?It effectively handles grid voltage fluctuations, converts single-phase 220V to three-phase 380V, and minimizes energy losses for small heavy-load equipment.
- What advantages does this conveyor drive offer for small workshops?It provides precise speed control (≤±0.2% steady-state precision) and flexible installation, ensuring smooth operation of small-scale 380V conveyors.
- Why choose this industrial frequency inverter for energy saving?With >95% efficiency and comprehensive protection, it reduces long-term operational costs of small 380V equipment powered by single-phase supply.
FAQs
What is UPS?
What is the main role of UPS?
What are the types of UPS?
How to choose the power capacity of UPS?
How is the standby time of a UPS determined?
