INVT GD350-01H Series VFD for High-speed Motor
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. It maintains dedicated-purpose functions and interface designs, with a rich set of expansion features, offering a comprehensive solution to meet the needs of specialized machines and diverse application scenarios.Power Range:
AC 3PH 220V(-15%)–240V(+10%): 7.5–185kW
AC 3PH 380V(-15%)–440V(+10%): 7.5–500kW
Description
1. “Euler” Control Platform – High-speed drive, synchronous motor control performance improved by over 30%
– Multiple control modes (V/F, Vector, VVC) to suit different motor loads
– Reduced high-frequency current oscillations for stable high-speed performance
– Carrier frequency range: 2–40kHz (12kHz and above requires SIC customization)
– Output harmonic reduction scheme: LC resonant suppression + high-frequency reactor
– Upgraded main control chip with larger memory and stronger computing power
– One-click parameter autotuning, loop-free debugging, and one-click start
2. Dedicated machine function design – Comprehensive solution cost reduced by over 15%
– Anti-surge function prevents 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 certain range during unstable grid voltage
– Integrated PT100 and pressure input dedicated interfaces
– Detachable terminals for easy wiring and maintenance
– Standard equipped with STO function (SIL2 standard)
– Standard equipped with a large LED keypad, with an optional LCD keypad, providing intuitive display for easy debugging and maintenance
– Supports 24V/1A power output to power touchscreens, controllers, etc. (7.5kW/500mA only)
3. Function expansion
-Supports two expansion cards (I/O, temperature/pressure analog, DP/PN bus communication)
4. High reliability, long-life design
– Easily handles harsh environments
– IP56 vacuum-coated cooling fans with better durability, combined with independent air duct design to enhance VFD reliability
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