Item | Specifications | |
Power input | Input voltage (V) | AC 3PH 220V (-15%)–240V (+10%): 7.5–185kW AC 3PH 380V (-15%)–440V (+10%): 7.5–500kW AC 3PH 520V (-15%)–690V (+10%): 22–630kW |
Allowed voltage transient fluctuation | -15%–+10% | |
Input frequency (Hz) | 50Hz or 60Hz; allowed range: 47–63Hz | |
Efficiency | ≥97% | |
Power output | Output voltage (V) | 0–input voltage |
Output frequency (Hz) | 0–400Hz | |
Running control performance Performance | Control mode | Space voltage vector control, and sensorless vector control (SVC) |
Motor type | Asynchronous motor (AM) and permanent magnetic synchronous motor (SM) | |
Speed ratio | Asynchronous motor (AM): 1:200 (SVC); synchronous motor (SM): 1:20 (SVC) | |
Speed control accuracy | ±0.2% (SVC) | |
Speed fluctuation | ±0.3% (SVC) | |
Torque response | <20ms (SVC) | |
Torque control accuracy | 10% (SVC) | |
Starting torque | For AMs: 0.25Hz/150% (SVC) For SMs: 2.5Hz/150% (SVC) | |
Overload capacity | Able to run at 114% of rated current for a long time under default carrier frequency conditions. | |
Frequency setting method | Settings can be implemented through digital, analog, multi-step speed run, PID, and Modbus communication. Settings can be combined and the setting channels can be switched. | |
Fault protection | More than 30 protection functions, such as protection against overcurrent, overvoltage, undervoltage, overtemperature, phase loss, and overload. | |
Other | Mounting method | 7.5–200kW models: Wall mounting and flange mounting. 220–315kW models: Wall mounting and floor mounting. Flange mounting is not recommended. 350–500kW models: Floor mounting. |
Temperature of running environment | -10℃–+50℃ Derate 1% for every increase of 1℃ when the temperature is above 40℃. | |
Ingress protection (IP) rating | IP20 | |
Cooling method | Forced air cooling | |
EMI performance | Built-in C3 filter as standard, disabled by default at the factory. To enable it, connect jumper J10. An optional external filter is available to comply with IEC 61800-3 C2. | |
GD350-01 Series VFD for Compressor
The GD350-01 series is a specialized variable frequency drive (VFD) for the compressor industry, developed based on the GD300-01A series with next-generation control platform technology to achieve further innovative breakthroughs in performance and functionality. The new control platform employs modular and layered design concepts, with deep optimizations in multiple aspects including software architecture, vector control algorithms, parameter autotuning, and rectifier harmonic suppression algorithms, thereby improving the reliability, stability, adaptability, and user-friendliness of the product. Alongside dedicated functions and specialized interfaces, it provides comprehensive expansion capabilities, enabling versatile solutions for customized machines and diverse applications.
ImagesFeatures
Multiple control modes (V/F, vector, VVC) for different motor load types.Upgraded main control chip with larger memory and stronger computing capability. One-click parameter autotuning, loop-free commissioning, and one-click start.Integrates PT100 and pressure input dedicated interfaces, with dual PID control for temperature and pressure, enabling precise control of the air compressor. Pluggable terminals for easy wiring and maintenance.Built-in air compressor control logic eliminates the need for a PLC and air compressor controller.Standard STO function (SIL2 certified).Standard equipped with a large LED keypad, with an optional LCD keypad, providing an intuitive display for easy commissioning and maintenance.Supports 1.14× overload operation (at 40℃ ambient temperature, default carrier frequency).Supports up to 24V/1A power output for touchscreens, controllers, and other devices.Supports two expansion cards (I/O, temperature/pressure analog, DP/PN bus communication).IP56 vacuum-coated cooling fans with better durability, combined with an independent air duct design to enhance VFD reliability.Specifications
Downloads
Load More
Have questions or need support?
Our professional team is here to help.
Repair Progress Tracking | Identity Verification
To protect your repair information, please verify using the mobile number reserved on the service order.
Contact INVT
Get in touch with INVT. Our team will get back to you shortly.
-
Industrial Automation
-
Network Power
-
PV & ESS
-
e-Mobility
