PFQD series four quadrant AC drive
GTAKE PFQD four-quadrant AC drive can not only accurately and quickly simulate the required loading torque, but also feed the regenerated energy from the drive system back to the grid through its AFE unit, reducing electricity consumption without generating extra harmonic interference and offering remarkable energy saving in applications with frequent brakes, such as cranes, centrifuges, milling machines, motor mutual-towing and wind tunnel test systems, etc.
The PFQD series four-quadrant AC drive is a type of high-performance drive with an active front end that enables bi-directional energy flow and regenerative braking. Contact us to learn more about the PFQD series four-quadrant AC drive with active front-end technology and how it can benefit your industrial applications.
Thanks to sophisticated engineers, scientific producing workmanship, rigorous quality control systems and management team, GTAKE PBDS bidirectional DC source are equipped with advanced features, some of which are listed as below:
01 Unique switching frequency control technology, reaches up to 1500Hz frequency output.
02 Isolated tunnel design for heat dissipation.
03 Support various encoder types.
04 Plentiful communications, RS485 / PN / EtherCat / Modbus TCP / CAN.
05 High power factor, PF ≥ 0.99.
06 Advanced PWM rectification technology is adopted on the active front end, which dramatically reduces the total harmonic distortion of current , THDi≤2.5%.
07 Strong overload capacity, 150% @ 1min.
08 Thorough system protections.
09 Speed adjustment range: 1:1000, Speed control accuracy: ±0.02%.
10 Torque respond time：< 5ms; Torque control accuracy: ±3%.
Application range
The PFQD series four quadrant AC drive is widely used in various industrial applications, including:
01 Cranes and hoists: PFQD drives are commonly used in crane and hoist applications, where they provide precise speed and torque control for lifting and moving heavy loads.
02 Centrifugal pumps and fans: PFQD drives can control the speed of centrifugal pumps and fans, providing energy savings and reduced wear and tear on equipment.
03 Milling machines: PFQD drives can provide precise control of milling machine spindles, allowing for accurate machining and reduced tool wear.
04 Motor interlocking: PFQD drives can interlock multiple motors, providing synchronized operation and increased efficiency.
05 Wind tunnel testing systems: PFQD drives can control the speed and direction of wind tunnel fans, allowing for accurate and repeatable testing of aerodynamic properties.
PFQD series Four quadrant AC drive
| AFE side | |
| Rated Voltag | 3AC 380/400/415/440/460/480V (Effective value of line voltage) |
| Allowable Voltage Range | 304 – 437V (Rated voltage, -20% – +15%) |
| Rated Current | 60 – 1100A |
| Rated Frequency | 50/60Hz ± 2.5Hz |
| Current THD | <3%, 2.5% at rated power |
| Power Factor | ≥0.99 |
| Overload Capacity | 150%, 1min |
| Drive side | |
| Rated Power | 30kW – 630kW (Can be customized) |
| Input Voltage Range | 300Vdc – 1000Vdc (Input voltage range of DC bus) |
| Rated Current | 60A – 1100A (Can be customized) |
| Output Voltage Vrms | 3 AC, 0 – Udc /1.414, deviation < ±3% (Udc : input bus voltage) |
| Output Frequency | 0.00 – 600.00Hz, Resolution: 0.01Hz (Output frequency 0.0 – 1500.0Hz optional) |
| Overload capacity | 150%,1min; 180%,10s; 200%,0.5s (Once per 10 minutes) |
| Control Mode | Closed-loop vector control (FOC) |
| Speed Range | 1:1000 |
| Speed Control Accuracy | ±0.02% |
| Speed Fluctuation | ±0.1% |
| Torque Control Accuracy | ±3% |
| Torque Response Time | ≤5ms (Sudden loading time from 10% to 90% of the rated load) |
| Digital Input | |
| Programmable digital inputs | 7 (local), 9 (extensible) |
| Logic | NPN or PNP |
| Voltage level | 10 – 30V |
| Frequency range | 0-200Hz |
| Input | 24VDC, 5mA |
| Analog Input | |
| Analog inputs | 3 (4) |
| Modes | Voltage or current |
| Level | 0 to +10V, -10V to +10V, 0/4 to 20 mA (scalable) |
| Automatic correction | YES |
| Digital Output | |
| Programmable digital outputs | 3 (4) |
| Voltage level at digital output | Voltage or current |
| Current level | 0 to +10V, -10V to +10V, 0/4 to 20 mA (scalable) |
| Pulse output max. output frequency | YES |
| Analog Output | |
| Programmable analog outputs | 2 (local), 4 (extensible) |
| Voltage range / current range | 0 – 10 V / 0 – 20 mA |
| Relay Output | |
| Programmable relay outputs | 2 (4) |
| Pulse Input | |
| Pulse input | 1 (programmable) |
| Frequency range | 0.1Hz–50KHz |
| Voltage level | 10-30V |
| Others | |
| Operation Interface | Operation panel / PC software |
| Communication | Default: 485, Optional: ProfiNet / EtherCAT / CAN |
| Ambient | |
| Vibration | Less than 5.9 m/s² (0.6g) |
| Humidity | Relative humidity 5% – 95 %. No condensation |
| Ambient temperature | -10 ºC ~ 50 ºC |
| Altitude | 0 – 2,000 m |
| Rated output current derated 1% every 100 m above 1,000 m | |
| Storage temperature | -40 – +70 ºC |
| IP grade | IP 20 |
| Cooling method | Forced air cooling |
