High Frequency SineWave Guardian® Filters transform the output of Variable Frequency Drives (VFDs) to a near perfect sinusoidal waveform for the best level of protection for high frequency motors. MTE’s unique, patent-pending design comes in a smaller size than traditional LC Filters, and offers higher performance and better efficiency. Increase motor life Reduce motor audible noise Reduce radiated emissions High Frequency SineWave Guardian® High Frequency SineWave Guardian® Filters High Frequency SineWave Guardian® Filters HF VFD HF Medium Voltage Motor HF Motor HF Motor HF VFD HF VFD Application Configurations: Extreme Long Lead to Motor Long Lead with Step-up Transformer Multiple Motors High Frequency SineWave Guardian® Filters • Determine voltage and frequency requirements • Reference motor nameplate to determine motor HP or kW and Full Load Amps • Verify motor meets inverter duty standards per NEMA MG1 Section 31 • Select filter based on Motor Full Load Amps Do not exceed filter’s maximum current rating (amps) • Determine derating requirements Reference Performance Specifications table Understanding the High Frequency SineWave Guardian® Part Number: Current Rating 0080 is 80 Amps 0600 is 600 Amps Voltage Frequency Code D (380V – 480V) Optimized Carrier Frequency High Frequency Maximum Motor Frequency SineWave Guardian® Type M=Open Magnetics (No Enclosure) SWG X _ _ _ _ X-HF CC MMM How to properly size your filter Performance Specifications Service Load Condition Conventional 3 phase motors operating in volts per hertz mode, standard step-up transformer or design for use of filter in sensor less vector mode Input Voltage 380V – 480V +/– 10% Harmonic Voltage Distortion 5% maximum @ 5kHz; 8% maximum @ 6-8 kHz Inverter Switching Frequency* 4.8kHz to 8kHz Inverter Operating Frequency* 6Hz to 300Hz Maximum Ambient Temperature -40°C to +60°C modular filter; -40°C to +90°C storage Insertion Loss (Voltage) 6% maximum @ 150Hz; 12% maximum @ 300Hz Efficiency >99% Altitude Without Derating 3,300 feet above sea level Maximum Motor Lead Length 15,000 feet Relative Humidity 0% to 95% non-condensing Current Rating 100% RMS continuous; 150% for 1 minute intermittent * Additional ratings available upon request. Final product specifications subject to change at any time. Specially designed for high frequency motors to reduce voltage distortion, improve efficiency, and extend motor life. 32
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