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About Harmonic Filters
Harmonic filters or line/load reactors isolate harmonic current to protect electrical equipment from damage due to harmonic voltage distortion. They can also be used to improve power factor, and are sometimes called line reactors, load reactors, line load reactors, and line/load reactors. Harmonic filters mitigate the detrimental effects of harmonic distortion, which can be manifested in many different ways. Examples include increased heating effect on electrical distribution equipment and cables, electronics miss-timings (computers, fax machines, etc.), capacitor overloads, fluorescent light flickering, and others.
Filter type and signal type are important specifications to consider when searching for harmonic filters or line/load reactors. There are two choices for filter type: passive and active. Passive harmonic filters are built with a series of passive components such as resistors, inductors and capacitors. These devices are the most common type of harmonic filters, and are available for all voltage levels. Active harmonic filters are used mainly in low-voltage networks. These line/load reactors are very fast electronic devices that insert negative harmonics in order to eliminate undesirable harmonics from a network. Active harmonic filters are built with active components such as insulated gate bipolar transistors (IGBT) and can eliminate many harmonic frequencies. Choices for signal type are single-phase AC, three-phase AC, and DC.
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SECAP A03en.indd Power factor correction with Harmonic Filters Modern electrical equipment demands Power Quality Modern electrical equipment imposes stringent demands |
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Power Quality Filters PQFI ? PQFM ? PQFK ? PQFS The ABB... 44 47 50 0 HARMONIC ORDER Advantages of the PQF ? Allows installations to run more efficiently ? Has programmable task priorities ? Filters up to 20 |
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MTE Corporation - Matrix Harmonic Filters by MTE Corporation Matrix Filters® Product Overview MTE Matrix Filters solve the problem of harmonic distortion on virtually any two or six pulse rectifier. See MTE Corporation Profile & Catalog |
Part Numbers for Harmonic Filters
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 8720MCHFB | PLC Radwell | PHOTOSWITCH | Not Provided | 460VAC HARMONIC FILTER |
| 1220010636945 | MVP Micro, Inc. | NAVAIR AND NAVSEA MANAGED!ORIGINAL DESIGN ACTIVITY DWG NOT!MATERIAL/PARTS SUPPLIER | Not Provided | FILTER,HARMONIC SUP |
| 8720MCRPS065BMHV | PLC Radwell | PHOTOSWITCH | Not Provided | MASTER RPS WITH VARISTOR AND HARMONIC FILTER |
| 1430997642825 | MVP Micro, Inc. | SELEX COMMUNICATIONS LIMITED | Not Provided | FILTER,HARMONIC |
| 10PHF | PLC Radwell | MTE | Not Provided | FILTER 10AMP 120V 3RD HARMONIC |
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