| 词条 | Hybrid LC Filter |
| 释义 |
Hybrid LC filter is a kind of electrical LC filter, which typically contains two conductive foil layers, separated by an insulation material and coiled on a core. Layers are typically made of copper or aluminum. One layer, which is placed between the voltage source, such as inverter, and a load, is called “the main foil”; this layer forms filter inductance.[1] Another foil, called “the auxiliary foil”, is connected to a neutral potential (e.g. earth), forming the useful capacitance between foils. This way the self-capacitance of the main foil is crucially decreased. Filter is characterized by improved high-frequency performance (working frequency range is at least up to tens of MHz). The mutual inductance between foil layers is rather large, coupling factor is typically about 0.95-0.99. Higher the mutual inductance provided, better the damping properties of the hybrid LC filter. References1. ^[https://www.doria.fi/bitstream/handle/10024/47410/isbn%209789522148278.pdf Dzhankhotov V., Hybrid LC filter for power electronic drives: Theory and Implementation, 2009] 1 : Analog circuits |
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