Product introduction
Product Profile
VTF880-RF can be used as both a rectifier and an inverter, operating in four quadrant mode. Adopting IGBT and SPWM mode, it can control the size and phase of AC power, and make the AC input wave close to sine wave through various filtering and energy storage links in the front end. The power factor is adjustable positive and negative with a midpoint of 1. When the braking energy on the motor side returns through the inverter, the DC bus voltage increases, It can make the phase of the AC input wave opposite to the power supply voltage, achieve regenerative power generation operation, and feed back the regenerative energy to the AC power grid to meet the control requirements of high-performance inverters.
Product Features
● PWM control method, current harmonics <5% (GB/T 14549-1993)
● The DC bus voltage remains stable;
● By controlling the phase difference angle between voltage and current, the power factor can be adjusted between -1 ~ + 1;
● Chinese 7-inch touch screen display, calculus measurement and feedback of power grid energy;
● Higher reliability, with protection against overvoltage, undervoltage, overcurrent, short circuit, and lock.
Applications
Widely used in engine dynamo meter, electric vehicle motor testing, new energy hybrid transmission testing, motor performance testing, lifting and lifting loads, paper transmission industry, as well as DC bus sharing occasions, A FE frequency converter control.
Product specifications
| Model | Operating voltage (V) | Rated capacity (kW) | Rated current (A) | Grid frequency (Hz) | Cabinet appearance | Equipped with copper core cable (mm²) |
| VTF880-RF-030-2HC | 220 | 30 | 105 | 50 | E | 35 |
| VTF880-RF-045-2HC | 220 | 45 | 157 | 50 | E | 50 |
| VTF880-RF-075-2HC | 220 | 75 | 260 | 50 | F | 70 |
| VTF880-RF-045-4HC | 380 | 45 | 91 | 50 | E | 35 |
| VTF880-RF-055-4HC | 380 | 55 | 110 | 50 | E | 35 |
| VTF880-RF-075-4HC | 380 | 75 | 152 | 50 | E | 50 |
| VTF880-RF-090-4HC | 380 | 90 | 180 | 50 | F | 70 |
| VTF880-RF-110-4HC | 380 | 110 | 223 | 50 | F | 95 |
| VTF880-RF-132-4HC | 380 | 132 | 264 | 50 | G | 120 |
| VTF880-RF-160-4HC | 380 | 160 | 324 | 50 | G | 120 |
| VTF880-RF-200-4HC | 380 | 200 | 405 | 50 | H | 150 |
| VTF880-RF-250-4HC | 380 | 250 | 506 | 50 | I | 185 |
| VTF880-RF-315-4HC | 380 | 315 | 638 | 50 | I | 150*2 |
| VTF880-RF-037-6HC | 660 | 37 | 43 | 50 | E | 16 |
| VTF880-RF-045-6HC | 660 | 45 | 52 | 50 | E | 25 |
| VTF880-RF-055-6HC | 660 | 55 | 64 | 50 | E | 25 |
| VTF880-RF-075-6HC | 660 | 75 | 87 | 50 | E | 25 |
| VTF880-RF-090-6HC | 660 | 90 | 105 | 50 | F | 35 |
| VTF880-RF-110-6HC | 660 | 110 | 128 | 50 | F | 50 |
| VTF880-RF-132-6HC | 660 | 132 | 152 | 50 | G | 50 |
| VTF880-RF-160-6HC | 660 | 160 | 187 | 50 | G | 70 |
| VTF880-RF-200-6HC | 660 | 200 | 233 | 50 | G | 95 |
| VTF880-RF-250-6HC | 660 | 250 | 290 | 50 | H | 120 |
| VTF880-RF-315-6HC | 660 | 315 | 368 | 50 | H | 150 |
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VTF880 series active front end
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