Cheap best 2hp vfd Three Phase Inverter
●Has advanced open-loop vector control performance and good voltage and current control technology;
●Starting torque: 0.5Hz/150% torque;
●Wide voltage range design, the wide voltage range reaches AC 3PH: 320V~450V;
●Has the function of not shutting down in case of instantaneous power failure;
●It has functions such as motor speed tracking technology, PID control, high and low frequency operating mode switching, and intelligent rapid acceleration and deceleration adjustment.
Project |
Technical Parameters |
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Enter |
Rated voltage,frequency |
3PH AC380V;50Hz/60Hz 1PH AC220V;50Hz/60Hz |
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Voltage allowable variation range |
3PHAC360V~450V 1PHAC190V~250V |
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Output |
Voltage |
0~440V 0~220V |
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Frequency |
0~999.9Hz |
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Overload capacity |
110% long term 150% 1 minute 180% 5 seconds |
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Control method |
V/F control, advanced vector control, simple vector control, torque control |
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Control characteristics |
Frequency setting resolution |
Analog input |
0.1% of maximum output frequency |
Digital settings |
0.01Hz |
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Frequency accuracy |
Analog input |
Within 0.2% of the maximum output frequency |
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Digital input |
Within 0.01% of the set output frequency |
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V/F control |
V/F curve (voltage frequency characteristics) |
The base frequency can be set arbitrarily from 0.5 to 3000Hz, and the multi-point V/F curve can be set arbitrarily. Various fixed curves such as constant torque, reduced torque 1, reduced torque 2, and square torque can also be selected. |
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Torque boost |
Manual setting: 0.0~30.0% of rated output Automatic lifting: automatically determine the lifting torque according to the output current and combined with the motor parameters |
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Automatic current limiting and pressure limiting |
Whether during acceleration, deceleration or stable operation, it can automatically detect the motor stator current and voltage, and suppress it within the allowable range based on a unique algorithm to minimize the possibility of system fault tripping. |
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Inductive vector control |
Voltage frequency characteristics |
Automatically adjust the output voltage-to-frequency ratio based on motor parameters and unique algorithm |
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Torque characteristics |
Starting torque: 100% rated torque at 5.0Hz (VF control) 150% rated torque at 1.5Hz (simple vector control) 150% rated torque at 0.5Hz (advanced vector control) Operating speed steady-state accuracy: ≤±0.2% rated synchronous speed |
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Current and voltage suppression |
Full current closed-loop control, completely avoiding current impact, with complete overcurrent and overvoltage suppression functions |
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Undervoltage suppression during operation |
Especially for users with low grid voltage and frequent fluctuations in grid voltage, even if the voltage is lower than the allowed voltage range, the system can maintain the longest possible operating time based on a unique algorithm and residual energy allocation strategy. |
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Typical functions |
Multi-speed operation |
7-segment programmable multi-segment speed control, multiple operating modes available |
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PID control RS485 communication |
Built-in PID controller (frequency can be preset); Standard configuration RS485 communication function, multiple communication protocols optional, with linkage synchronous control function |
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Frequency setting |
Analog input |
DC voltage 0~10V, DC current 0~20mA (upper and lower limits optional) |
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Digital input |
Operation panel setting, RS485 interface setting, UP/DW terminal control, and various combination settings with analog input |
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Output signal |
Digital output |
1 Y terminal open collector output and 1 programmable relay output (TA, TC), up to 17 meaning options |
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Analog output |
1 analog signal output, the output range can be flexibly set between 0~20mA or 0~10V, which can realize the output of physical quantities such as set frequency and output frequency. |
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Automatic voltage stabilization operation |
You can choose dynamic voltage stabilization, static voltage stabilization, or unstabilized voltage according to your needs to obtain the most stable operating effect. |
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Acceleration and deceleration time setting |
0.1s~999.9min continuously configurable |
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Brake |
Energy consumption braking |
Energy consumption braking starting voltage, hysteresis voltage and energy consumption braking rate are continuously adjustable |
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DC braking |
Stop DC braking starting frequency: 0.00~[F00.05] upper limit frequency Braking time: 0.0~30.0s; Braking current: 0.0%~50.0% of motor rated current |
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Low noise operation |
The carrier frequency is continuously adjustable from 2.0KHz to 20.0KHz to minimize motor noise. |
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Speed tracking restart function |
It can realize smooth restart and instantaneous stop restart function of the running motor. |
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Counter |
An internal counter to facilitate system integration |
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Run function |
Upper and lower limit frequency settings, frequency jump operation, reverse operation limit, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self-recovery operation, etc. |
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Operation panel |
Show |
Double-row LED display, display status can be freely defined according to needs |
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Operating status |
Output frequency, output current, output voltage, motor speed, set frequency, module temperature, PID setting, feedback amount, analog input and output, etc. |
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Alarm content |
It can record two fault records, operating frequency, operating current, DC bus voltage and other operating parameter records when the fault trips. |
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Protective function |
Overcurrent, overvoltage, undervoltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, internal memory failure, etc. |
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Environment |
Place of use |
Indoor, no direct sunlight, no corrosion, no flammable gas, no oil mist, dust, etc. |
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Ambient temperature |
-10℃~+40℃(The ambient temperature is between 40℃ and 50℃, please derate it for use.) |
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Ambient humidity |
5%~95%RH,No water droplets condensation |
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Altitude |
Derate for use above 1000 meters, and derate by 10% for every 1000 meters. |
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Structure |
Protection level |
IP20 |
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Cooling method |
Air-cooled, with fan control |
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Installation method |
Wall-mounted |