sine wave filter
1 / 6ページ

DAQI® Sine Wave Filter Data sheet Customized service is available. 1. Electrical Circuit Design

3. Electrical Installation Guide The device contains the following terminals: [U1, V1, W1] – Output terminals for inverter [U2, V2, W2] – Input terminals for motor [TS, TS’] - Temperature protection [PE] – Protecting earthing. 4. Electrical Specifications Nominal operating voltage: 3x380V Switching frequency: ≥2khz or 3khz, Max 16KHZ. Temperature protection: 160℃ THDv: ≤5% Voltage drop: ≤10% Insulation class: H Ambient temperature: -40℃~+45℃ Overload capability: 1.5x rated current for 1 minute, once per hour Standards UL 61800-

5. Features and Benefits  Converts the rectangular PWM output voltage of motor drives into a smooth sine wave with low residual ripple.  Elimination of premature motor damage caused by high dv/dt, over-voltages, cable ringing and motor overheating.  Improves bearing life time because of bearing currents caused by circulating currents.  Complies with IEC 60034-17* requirements for general purpose motors.  Optional with IP20 protective cover. 6. Key Functions  Prevention of over-voltage on the motor  Reduction of motor noise  Reduction of motor losses  Increase motor service life ...

 Medium voltage applications, deployed in front of the step-up transformer  Retrofit installations with motor drives  Motor drive with long motor cable  Motor drive with multiple motors in parallel 8. Required drive settings  Ensure the drive’s switching frequency is set to the required minimum switching frequency (see filter selection table).  The mode of operation, for both motor- and regenerative load, must be “scalar” (V/Hz) with a fixed switching frequency.  Check the drives manufacturer manual whether special settings are necessary.  In any doubt contact the drives...

Filter Selection Table DQ-SWF IP00 Rated current [A]

DAQI® Products Series  Sine Wave Filter Passive Harmonic Filter Load Banks Active Filter Shenzhen Daqi Industrial Device Co.,Ltd Address: Rm1021, Jin Hao Building, Bao’an District, Shenzhen, Guangdong, China Whatsapp/Tel: +86 186 8032 9162 Email: sales@daqidevice.com