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A frequency changer, or frequency converter, is electronic or electromechanical equipment that converts alternating current (AC) of one frequency to alternating current of another frequency. The equipment may also change the voltage, but if it does, that is incidental to its principal purpose, since voltage conversion of alternating current is much…
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frequency also ac may current converter use changer one another provide power equipment conversion changers usually input electronic electromechanical voltage
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| used for pumps | instance of | is a type of frequency changer used for speed control of AC motors | 0.80 | text |
| fans | instance of | is a type of frequency changer used for speed control of AC motors | 0.80 | text |
| Frequency changer | used for | speed control of AC motors such as used for pumps and fans | 0.80 | text |
| Frequency changer | has application | Frequency | 0.60 | section |
| Frequency changer | has application | AC | 0.60 | section |
| Frequency changer | has application | VFD | 0.60 | section |
| Frequency changer | has application | The | 0.60 | section |
| Frequency changer | has application | This | 0.60 | section |
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