| Range of product | Altivar 71 |
|---|---|
| Product or component type | Variable speed drive |
| Product specific application | Complex, high-power machines |
| Component name | ATV71 |
| Motor power kW | 400 kW, 3 phases at 500 V 500 kW, 3 phases at 690 V |
| Motor power hp | 550 hp, 3 phases at 575 V |
| Maximum motor cable length | 15 m shielded cable 30 m unshielded cable |
| power supply voltage | 500…690 V – 15…10 % |
| Network number of phases | 3 phases |
| Line current | 491 A for 600 V 3 phases / 600 hp 498 A for 690 V 3 phases 500 kW 544 A for 500 V 3 phases 400 kW |
| EMC filter | Integrated |
| Assembly style | With heat sink |
| variant | Reinforced version |
| Prospective line Isc | 35 kA for 3 phases |
| Nominal output current | 528 A at 2.5 kHz 575 V 3 phases / 600 hp 543 A at 2.5 kHz 690 V 3 phases 500 kW 590 A at 2.5 kHz 500 V 3 phases 400 kW |
| Maximum transient current | 885 A for 60 s 3 phases 400 kW 973.5 A for 2 s 3 phases / 600 hp 973.5 A for 2 s 3 phases 500 kW |
| Output frequency | 0.1…500 Hz |
| Nominal switching frequency | 2.5 kHz |
| Switching frequency | 2.5…4.9 kHz adjustable 2.5…4.9 kHz with derating factor |
| Asynchronous motor control profile | Flux vector control (FVC) with sensor (current vector) Sensorless flux vector control (SFVC) (voltage or current vector) Voltage/frequency ratio (2 or 5 points) ENA (Energy adaptation) system for unbalanced loads |
| Type of polarization | No impedance for Modbus |
| Product destination | Asynchronous motors Synchronous motors |
|---|---|
| power supply voltage limits | 425…759 V |
| power supply frequency | 50…60 Hz – 5…5 % |
| power supply frequency limits | 47.5…63 Hz |
| Speed range | 1…100 for asynchronous motor in open-loop mode, without speed feedback 1…1000 for asynchronous motor in closed-loop mode with encoder feedback 1…50 for synchronous motor in open-loop mode, without speed feedback |
| Speed accuracy | +/- 0.01 % of nominal speed in closed-loop mode with encoder feedback 0.2 Tn to Tn +/- 10 % of nominal slip without speed feedback 0.2 Tn to Tn |
| Torque accuracy | +/- 15 % in open-loop mode, without speed feedback +/- 5 % in closed-loop mode with encoder feedback |
| Transient overtorque | 170 % of nominal motor torque +/- 10 % for 60 s every 10 minutes 220 % of nominal motor torque +/- 10 % for 2 s |
| Braking torque | <= 150 % with braking or hoist resistor 30 % without braking resistor |
| Synchronous motor control profile | Vector control without speed feedback |
| Regulation loop | Adjustable PI regulator |
| Motor slip compensation | Suppressable Automatic whatever the load Not available in voltage/frequency ratio (2 or 5 points) Adjustable |
| diagnostic | 1 LED (red) for drive voltage |
| Output voltage | <= power supply voltage |
| Insulation | Electrical between power and control |