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Sine wave plus filters FN 530
Sine Wave and EMC Output Filter for Motor Drives with a DC Link Access
Smoothing of PWM drive output voltage
Efficient motor protection
Reduction of common-mode interferences on
motor cables
Improvement of EMC environment
Elimination of motor bearing damages
Possibility to use very long unshielded motor
cables
Improvement of system reliability
Performance indicators
Technical specifications
Nominal operating voltage
3 x 480 VAC
dc link voltage
850 VDC max.
Motor frequency
0 to 200 Hz
Switching frequency
6 to 20 kHz
Rated currents
4 to 16 A @ 40°C
Motor cable length
≤1000 m max.
Voltage drop
≤10 V @ 50 Hz
Current in +/- control loop
1 to 2 A approx.
Residual ripple voltage
<5%
High potential test voltage
P –> E 2500 VDC for 2 sec
P –> P 1100 VDC for 2 sec
Protection category
IP 20
Overload capability
1.4x rated current for 1 minute, every 15 minutes
Temperature range (operation and storage)
-25°C to +100°C (25/100/21)
Flammability corresponding to
UL 94 V-2 or better
Design corresponding to
UL 1283, CSA 22.2 No. 8 1986, IEC/EN 60939
MTBF @ 40°C/400 V (Mil-HB-217F)
>100,000 hours
Approvals
Features and benefits
Conversion of the PWM output signal (differential
and common-mode voltage components) of motor
drives into a smooth sine wave with low residual
ripple
Elimination of premature motor damage caused by
high dv/dt, overvoltages, motor overheating, eddy
current losses or bearing damage
Elimination of interference propagation towards
components or conductors in the vicinity
Provision of all benefits of traditional LC sine wave
filters, plus:
Allows the use of extremely long unshielded motor
cables without causing radiation problems (EN
55014, MDS clamp)
Restricts pulse currents to ground and hence limits
leakage currents in the PE
Reduces the required EMI suppresssion efforts on
the line side
Allows the use of lower rated drives with long
motor cables due to lower losses in the IGBTs and in
the motor cable
Typical applications
Motor drive applications with extremely long motor
cables
Motor drive applications with unshielded motor
cables
Chemical and petro-chemical applications
Semi-conductor manufacturing
Mission critical applications
Applications with multiple motors in parallel
Retrofit of motor drives into existing installations
with old wiring and motors
