GD300-01 Air Compressor Inverter

GD300-01 Air Compressor Inverter

Goodrive300-01 series inverters special for air compressor are developed on the base of Goodrive300 inverters and it integrates the traditional PLC logic control of air compressor system in the inverter. After the comprehensive solution of the inverter and touch screen, the logic control of air compressor system and temperature control of air supply at constant pressure are available.

1. Controls and protections through the touch screen and inverter
2. Up to 0.25Hz/150% starting torque(Asychronous motor); 2.5Hz/150%
starting torque (Synchronous motor)
3. Dual variable frequency( master variable + fan variable frequency)
to ensure the constant pressure, voltage and temperature
4. Intelligent hibernation and wake up control, obvious energy saving effect
and reduced equipment loss
5. Visualization control to set the inverter and protection parameters through
the touch screen directly and periodic maintenance.
6. Multi-level password protection to avoid unauthorized operation
Compressor (synchronous and asynchronous).

Function description Specification
Input Input voltage (V) AC 3PH 380V(-15%)~440V(+10%)
Input frequency (Hz) 50Hz or 60Hz, permissible range: 47~63Hz
Output Output voltage (V) 0~input voltage
Output frequency (Hz) 0~400Hz
Technical control performance Control mode SVPWM mode, SVC
Motor type Asynchronous motor, permanent magnet synchronous motor
Speed ratio Asynchrons motor 1:200(SVC), synchronous motor 1:20(SVC)
Speed control precision ±0.2%(SVC)
Speed fluctuation ± 0.3%(SVC)
Torque response <20ms(SVC)
Torque control precision 10%(SVC)
Starting torque Asynchronous motor:0.25Hz/150%(SVC) Synchronous motor:2.5Hz/150%(SVC)
Specialized function No-load sleep and wake-up function, pressure value seup, fan starts/stops temp closed loop, no-load frequency, no-load delay time, min sleep time, upload delay time, pressure value and temp value pre-alarm function, power correction, state check group for air compressor
Overload capacity 1m for 150% of rated current,10s for 180% of rated current, 1s for 200% of rated current
Operation control performance Frequency setup mode Digital, analog, pulse frequency, multi-step operation, simple PLC, PID, MODBUS communication, realize the switching between setup combination and setup channel.
Auto voltage regulation function Keep the output voltage constant when grid voltage fluctuates
Fault protection function Provide over 30 kinds of fault protection function: overcurrent, overvoltage, undervoltage, overtemp, phase loss and overload.
Speed tracking restart function Realize impact-free smooth starting of the rotating motor
Analog input Two (AI1, AI2)0~10V/0~20mA, one (AI3)-10~10V
Anlog output Two(AO1、AO2)0~10V /0~20mA
Temp signal detection Three PT100 signal inputs, -20~150℃
Digital input 8 normal inputs, max frequency is 1kHz, internal impedance is 3.3kΩ, one high speed input, max frequency is 50kHz
Relay output 1A/DC30V Two NO programmable relay outputs, two NO/NC programmable relay outputs, contact capacity: 3A/AC250V
Others Installation mode Support wall-type, ground-type and flange-type installation
Ambient temp ﹣10~50℃, derate if the ambient temp is above 50℃
Protection level IP20
Cooling mode Air cooling
Brake unit Built-in for 380V 30kW and below models, optional if otherwise
EMC filter Built-in C3 filter: meet IEC61800-3 requirement, optional filter fulfilling IEC61800-3 C2 requirement is also available
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