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Especially where robust and easy-to-handle electric drives are required, DC technology has its place in the drive system. With over 80 years of experience and continuous new development, Baumüller offers economical and technically high-quality DC solutions. The excellent concentricity characteristics of DC drives, even at low speeds, are the prerequisite for use in a wide range of applications.
Maximum availability is ensured by the best product quality, reinforced by the global Baumüller service organization, which competently maintains and services your DC systems.
BKD/BKF DC converters for drives up to 390kW
Features
- also suitable for field weakening operation
- supply voltage (UA): 340 – 550V
- adjustment of the field voltage via jumpers and software
- tachometer voltage adjustment via terminal selection and software
- optional fieldbus systems: USS, CANopen and Profibus
Technical data
| Main converter | BKD 6/.../7000 BKF 12/.../7000 |
|---|---|
| 1) If supply voltages are fall by more than 10% of the rated value, it may no longer possible to achieve the rated DC current. Subject to change |
|
| Supply voltage1) | 340 V~ ... 550 V~ |
| Mains frequency | 45 ... 65 Hz |
| Rated DC current acc. to DIN 40030 BKF BKD |
Supply voltage 400 V~ / 500 V~1) 420 V / 520 V 470 V / 600 V |
| Rated currents IA for size I | 30 A, 50 A, 80 A, 100 A, 140 A, 200 A |
| Rated currents IA for size IIa | 240 A (BKF only), 340 A |
| Rated currents IA for size IIb | 450 A, 650 A |
| Manipulating range | 0,5 ... 1,0 x IA |
| Mains unit connection voltage | 340 V~ ... 550 V~ |
| Operating temperature range | with self-ventilation up to 100A units: 0 ... 45 °C with forced ventilation 140A units and above: 0 ... 40 °C |
| with temperatures up to 55 °C | Reduction of rated current by 1% per °C |
| at H > 1000m above sea level | Reduction of rated current by 10% per 1000m |
| Storage and transportation temperature | -30 ... +70 °C |
| Humidity rating acc. to DIN 40440 | E or F |
| Type of protection acc. to DIN 40050 | IP 00 |
| Field current converter | BKD 6/.../7000 BKF 12/.../7000 |
|---|---|
| 1) If supply voltages are fall by more than 10% of the rated value, it may no longer possible to achieve the rated DC current. Subject to change. |
|
| Supply voltage1) | 340 V~ ... 550 V~ |
| Mains frequency | 47 ... 63 Hz |
| Rated DC current acc. to DIN 40030 | Supply voltage 400 V~ / 500 V~1) 310 V / 390 V |
| Rated currents of field IE (depending on the rated current IA of the controlled device) |
IA ≤ 100 A: 1,5 A, 3 A, 6 A, 12 A IA > 100 A: 1,5 A, 3 A, 6 A, 12 A, 24 A |
| Manipulating range | 0.2 ... 1.0 x IE |
