Overview: The document discusses the application and benefits of Sine-wave Filters, particularly in environments with older motors, aggressive conditions, frequent braking, and specific voltage applications. It highlights the compatibility with motor cable lengths between 150 and 300 meters.
Specifications: The filters are suitable for voltage ranges of 3 x 200 – 500 V and 3 x 525 – 690 V, with current ratings from 2.5 to 1,320 A. They are available in IP00 and IP20 enclosures and can be mounted side by side or wall/floor mounted depending on the current rating.
Features and Benefits: Sine-wave Filters reduce voltage peaks, prevent flashover in motor windings, and protect motor insulation, thereby extending motor service intervals. They also reduce acoustic noise and high-frequency losses, leading to quieter and more efficient motor operation.
Functionality: These filters prevent disturbing pulses from reaching the motor, minimizing eddy current losses and extending motor life. They also protect the inverter by reducing semiconductor losses, although they do not reduce leakage currents or allow unlimited motor cable lengths.
Advantages: The filters are compatible with all control principles, including flux and WC+, and allow for parallel installation in high-power applications. They provide a sinusoidal phase-to-phase motor voltage, complying with IEC-60034-17 and NEMA-MG1 standards.
Performance Criteria: Sine-wave Filters offer significant reductions in motor insulation and bearing stress, eliminate motor cable ringing, and reduce acoustic motor switching noise. They support motor cable lengths up to 500 meters, with specific EMC performance guarantees.
Technical Data: The filters operate within a temperature range of -25° to 40°C without derating and support a switching frequency range of 1.5 kHz to 8 kHz. They have an overload capacity of 160% for 60 seconds every 10 minutes and are approved by CE and UL508 standards.