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Model Description
●It has advanced open-loop vector control performance and good voltage and current control technology;
●Starting torque: 0.5Hz/150% torque;
●Wide voltage range design, wide voltage range reaches AC 3PH: 360V～450V;
●It has customizable engineering macro application functions, covering regular applications such as constant pressure water supply mode, three-pump circulation soft water supply mode, photovoltaic water supply mode, CNC machine tool control mode, fire inspection mode, etc.;
●The LCD display solution has parameter copy function, which is convenient for customers to use and operate;
●Inverters below 22kW (inclusive) have built-in braking units;
●It has the function of not shutting down in case of instantaneous power failure;
●The independent air duct design supports wall-mounted and floor-standing installation methods, providing customers with a more reliable and economical installation and use method.
Technical Parameters
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Project NIR800 |
Technical Parameters |
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Input |
Rated voltage |
Three-phase AC380V |
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Frequency |
50Hz/60Hz |
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Voltage allowed range of change |
3PH AC360V~450V |
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Output |
Voltage |
0~440V |
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Frequency |
Low frequency mode：0~300Hz high frequency mode：0~3000Hz |
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Overload capacity |
G type machine: 110% long term; 150% 1 minute; 200% 4 seconds P type machine: 105% long term; 120% 1 minute; 150% 1 second |
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Control method |
V/F control, advanced V/F control, open-loop current vector control,Separate V/F control
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Control characteristics |
Frequency setting resolution |
Analog input |
0.1% of maximum output frequency |
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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/Fcontrol |
V/F curve (voltage frequency characteristics) |
The base frequency can be set arbitrarily at 0.53000Hz, the multi-point V/F curve can be set arbitrarily, and 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: 0.030.0% 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: 150% rated torque at 3.0Hz (VF control) 150% rated torque at 1.0Hz (advanced VF control) 150% rated torque at 0.5Hz (no PG current vector control) Operating speed steady-state accuracy: ≤±0.2% rated synchronous speed Speed fluctuation: ≤±0.5% rated synchronous speed Torque response: ≤20ms (without PG current vector control) |
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Self-determination of motor parameters |
Without any restrictions, automatic parameter detection can be completed under both static and dynamic conditions of the motor to obtain the best control effect. |
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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 and swing frequency operation |
16-segment programmable multi-segment speed control, multiple operating modes available. Swing frequency operation: preset frequency and center frequency are adjustable, state memory and recovery after power outage |
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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 010V, DC current 020mA (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 |
2 Y terminal open collector outputs and 2 programmable relay outputs (TA, TB, TC), up to 61 meaning options |
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Analog output |
2 analog signal outputs, the output range can be flexibly set between 020mA or 010V, 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 |
0.1s3600.0min can be set continuously, S-shaped and linear modes are optional |
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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 [F00.13] upper limit frequency Braking time: 0.0100.0s; Braking current: 0.0% 150.0% rated current |
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Flux braking |
0~100 0：invalid |
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Low noise operation |
The carrier frequency is continuously adjustable from 1.0KHz to 16.0KHz to minimize motor noise. |
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RPM tracking speed 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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Show |
Show |
Chinese and English are optional, and the LCD display has a parameter copy function. |
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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 four fault records, including operating frequency, operating current, DC bus voltage and other operating parameters during fault tripping. |
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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, cabinet type |
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