Product Overview
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LC Sine Wave Filter for 600 VAC and 690 VAC Motor Drives Applications
- Smooth sine wave without voltage peaks
- Motor protection against pulse pattern stress
- Improvement of system reliability
- Reduces bearing currents
- Ideal for retrofit installations
- Fits for long motor cable lengths (longer than 2000 m)
- Motor drive power range up to 1,200 kW
Features and Benefits
Converts the rectangular PWM output voltage of motor drives into a smooth sine wave with low residual ripple
Typical Applications
HVAC applications
Technical Specifications
Nominal operating voltage
3x690 VAC (UL: 3x600 VAC)
Rated currents
13 to 1320 A @ 45°C
Overload capability
1.5 × rated current for 1 minute, once per hour
Residual ripple voltage
<5%
Impedance (Uk)
8 to 10% @ 690 V, 50 Hz and rated current
Motor frequency
0...60 Hz (up to 200 Hz with derating, see graph)
Motor cable length
Up to 2'000 m (see graph)
Switching frequency
See filter selection table
Creepage and clearance distances
According UL 61800-5-1
High potential test voltage
P –> E 3600 VAC, 1 minute
P –> P 3600 VAC (without Caps), 1 minute
P –> P 2600 VDC, 1 minute
Overvoltage category
OV III (IEC 60664-1)
Temperature range (operation and storage)
Operation for sizes 13 to 45 A: -25 to +30°C
Operation for sizes 75 to 1320 A: -25 to +45°C
Storage for all sizes: -25°C to 70°C (25/070/21)
Protection category
IP 00
Flammability corresponding to
UL 94 V-2
Design corresponding to
IEC 61558-2-20
Insulation class
EIS 200
Capacitor class
UL 810 approved
Environmental reliability
IEC 60068-2-1
Typical electrical schematic
Approvals & Compliances
(UL up to 300 A)