Product Overview
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Output Filter for Motor Drives
- Reduction of drive output voltage dv/dt
- Reduction of voltage stress at motor windings
- Protect AC motors from destructive effect of peak voltages
- Increase of motor service life
- Improvement of system reliability
Features and Benefits
Efficient reduction of high output voltage dv/dt from IGBT motor drives (as per IEC 60034-17/25)
Typical Applications
Motor drive applications with short to medium motor cable length
Technical Specifications
Maximum continuous operating voltage
3x760 VAC
Nominal operating voltage
690 VAC
Max. peak voltage
≤1850 V (according to EN 60034-25B)
Rated currents
30 to 1200 A @ 40°C
Overload capability
1.5 x rated current for 1 minute, once per hour
Typical dv/dt reduction
Factor 8 to 12
Voltage drop
<3 V @ 50 Hz
Motor frequency
0...60 Hz (with derating up to 120 Hz, see graph)
Motor cable length
Up to 500 m (see graph page 2)
Switching frequency
max. 16 kHz, depending on motor cable length and operating voltage (see graph)
High potential test voltage
P –> E 2860 VAC, 1 s
P –> P 2860 VDC, 1 a
Overvoltage category
OV III (IEC 60664-1)
Temperature range (operation and storage)
-25°C to +100°C fully operational
-40°C to 100°C transport and storage (25/100/21)
Protection category
IP 00
Flammability corresponding to
UL 94V-2
Design corresponding to
UL 61800-5-1, CSA 22.2 No.14, EN 61558-2-20
Typical electrical schematic
Approvals & Compliances
UL recognized up to 320 A