PERFORMANCE CHARACTERISTICS
Back-end quick debugging software
Powerful and easy to use, with functions such as parameter setting, real-time oscilloscope, fault recording, event recording, etc.
Excellent performance
Suspending at zero speed;
Torque response 1-3ms;
Extremely low dynamic speed drop and dynamic speed drop equivalent;
Excellent robustness;
Accurate off-line/online motor model identification.
Various needs satisfied
Standard LCD panel to improve user experience;
Master-slave control function;
Expandable communication card, encoding disk card, voltage detection card.
Ease of use
External 24V DC input power supported;
A Built-in brake unit is possible to save installation control;
Book style design to support seamless side-by-side installation.
Universality
Several international standard certifications passed, conforming to RoHS directives;
V/F, OLVC and CLVC control supported;
Several communication protocols supported;
Asynchronous and permanent magnet synchronous motors supported.
Durability
Mechanical vibration level 3M3;
Independent air duct design;
Conformal coating automatic spraying;
Built-in dynamic junction temperature model to facilitate product safety application.
Model | HV500 Low Voltage Engineering Single-Drive Inverter | iInput/output Power | Input Uin | 200V (-15%) ~240V (+10%) 3Phase , 380V (-15%) ~480V (+10%) 3Phase, | 500V (-15%) ~690V (+10%) 3Phase | Input Frequency | 50Hz/60Hz±5% | Unbalance Degree of Uin | ≤3% | Output Uout | 0V~Input Uin | Output Frequency | 0Hz~500Hz | Power range | 2.2kW~560kW | Control Performance | Motor Type | Asynchronous / Synchronous | Control Method | V/F, OLVC (Open-Loop Vector Control), CLVC (Close-Loop Vector Control) | Range of Speed Regulation | 1:10 V/F, 1:100 OLVC, 1:1000 CLVC | Start Torque | VF: 100% (0.5Hz), OLVC: 150% (0.5Hz), CLVC: 180% (0Hz) | Torque Precision | ≤5%, Vector Control | Torque Pulsation | ≤5%, Vector Control | Speed Regulation Precision | OLVC 0.2%, CLVC 0.01% | Torque Response | <5ms, Vector Control | Dynamic Speed Reduction | OLVC<0.5%*s, CLVC<0.3%*s | Acceleration and Deceleration Time | 0.0s~3200.0s, 0.0min~3200.0min | Torque Lifting | 0.0%~30.0% | Overload | Heavy Load Application 150% 1min/5min, Light Load Application 110% 1min/5min | V/F Curve | Multiple ways: linear V/F curve, 5 kinds of torque reduction characteristic curve mode (2.0 power, 1.8 power, 1.6 power, 1.4 power, 1.2 power), user-defined VF curve | Input Frequency Accuracy | Digital: 0.01Hz, Analog: 0.01Hz | Control Performance | Acceleration and Deceleration Curve | Straight, S Curve | Multiple Speed-Steps Operation | 16-Speed Steps Operation through control terminals | Automatic VoltageAdjustment (AVR) | Keeping the output voltage constant automatically when the grid voltage changes within a certain range | Fixed Length | Setted and Fixed Length Control | In-build PID | It Can Easily Constructed Closed loop control system | Enhencement Function | Free Function Block | iInput/output | Set Frequency | Keyboaed, UP/DOWN Terminals, Multiple Speed-Steps Operation, Terminals Pulsation, Com | Power | Analog Input Terminals | AI1: 0V~10V/-10V~10V, AI2: 0V~10V/0(4) mA~20mA | Digital Input Terminals | DI1-DI6, 6 programmable digital input terminals, optocoupler isolation, compatible with drain/source input | Digital Input/Output Terminals | DIO1: Fast pulse output, normal input/output; DIO2: fast pulse input, normal input/output | Anolog Output Terminals | 2 Strings 0V~10V/0 (4) mA~20mA | Relay Output | 2Strings Contact Type FormC | Motor Temperature Detection | Support PT100/PT1000/KTY84 | STO Interface | SIL3/PLe Safe torque shutdown function | Com | Com Protocol | Modbus RTU (Standard), Profibus,CANopen,profinet,Devicenet,ControlNet | profinet,Devicenet,ControlNet | t | Environment | Altitude | Without Derating Operation Within 2000m Altitude; 2000m~4000m, Each 100m lifting, Derating 1% (Current) | Operation Temperature | -25℃~+40℃ (40℃~55℃ Derating) | Humidity | 15%~95%, Without Condensation | Vibration | 3M3, IEC60721-3-3 | Storage Temperature | -40℃~+70℃ | Operation Place | Indoor, Without direct sunlight, no flammable, corrosive gases, liquids and conductive particles | Accessory | Encoding card, communication expansion card, voltage detection card | Protection Function | Short circuit, over current, overload, over voltage, under voltage, phase loss, over temperature, external fault, etc. | Efficiency | 5.5kW~22kW: ≥93%; Above 30kW: ≥95% | Installation Method | Cabinet | Protection Degree | IP20 | Cooling | Forced Air Cooling | | |



Here is an introduction to the functions of variable frequency drives (VFDs):
Functions of Variable Frequency Drives (VFDs)
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Speed Control
- VFDs control the speed of electric motors by adjusting the frequency and voltage of the power supplied, allowing for precise speed regulation.
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Torque Control
- They can manage the torque output of motors, enabling applications requiring consistent torque under varying load conditions.
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Energy Savings
- By optimizing motor speed based on load requirements, VFDs significantly reduce energy consumption, especially in applications with variable loads.
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Soft Start
- VFDs provide a soft start feature, allowing motors to gradually ramp up to full speed. This reduces mechanical stress and prolongs equipment life.
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Operational Flexibility
- VFDs allow for easy adjustments to motor speed and direction, enhancing operational flexibility in various applications, such as conveyors and pumps.
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Improved Process Control
- With precise speed control, VFDs enhance process control, leading to improved product quality and consistency in manufacturing processes.
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Reduced Wear and Tear
- By minimizing abrupt starts and stops, VFDs reduce mechanical wear on components, extending the life of the motor and associated equipment.
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Remote Monitoring and Control
- Many modern VFDs feature smart technology that enables remote monitoring and control, allowing for efficient management of motor operations.
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Protection Features
- VFDs often include built-in protection against overloads, overcurrents, and overheating, ensuring safe operation of motors.
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Harmonic Mitigation
- Some VFDs are designed to reduce harmonics generated during operation, improving overall power quality and reducing interference with other equipment.
Conclusion
Variable frequency drives play a crucial role in modern industrial applications, providing efficient control of motor operations while promoting energy savings and equipment longevity. Their versatility makes them essential for various sectors, including manufacturing, HVAC, and renewable energy systems.