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) | 0–1200Hz | |
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. | |
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GD350-01H Series VFD for High-speed Motor
The GD350-01H series is a specialized variable frequency drive (VFD) designed for high-speed motor control and compressor applications. Incorporating next-generation control platform technology, it delivers breakthrough 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.
·7.5~500kW/22~630kW
·380V/660V
·IP rating: IP20
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Features
“Euler” control platform for high-speed drive applications, improving synchronous motor control performance by over 30%.
Multiple control modes (V/F, vector, and VVC) for different motor load types.Reduced high-frequency current oscillations for stable high-speed performance.Carrier frequency range of 2–40kHz (SiC customization required above 12kHz).Output harmonic reduction solution: LC resonance suppression + high-frequency reactor.Upgraded main control chip with larger memory and stronger computing capability.One-click parameter autotuning, loop-free commissioning, and one-click start.01
Dedicated function design with a comprehensive solution cost reduced by over 15%
Anti-surge function prevents the fan from entering the surge zone, protecting centrifugal fans.Voltage-dependent frequency reduction and power-loss frequency reduction functions, preventing VFD faults and shutdowns within a certain range during unstable grid voltage.Dedicated interfaces for PT100 and pressure input. Pluggable terminals for easy wiring and maintenance.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 24V/1A power output for touchscreens, controllers, and other devices. (7.5kW/500mA)02
Function expansion
Supports two expansion cards (I/O, temperature/pressure analog, DP/PN bus communication).03
High reliability and long service life for harsh environments
IP56 vacuum-coated cooling fans with better durability, combined with an independent air duct design to enhance VFD reliability.04
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