HIGH-FREQUENCY REACTOR

To provide a high-frequency reactor for a high-frequency large current (e.g., hundreds of Hz or more, 100A or more) that does not require a jig for plate-shaped coil formation because the high-frequency reactor can be manufactured efficiently, maintenance work of a plate-shaped coils is easy even when a litz wire with a large outer diameter which requires a large force for winding work or replacement work is used as a linear conductor for a flat coil.SOLUTION: At least one of an inner tubular body 12 and an outer tubular body 13 having a function as a guide when a linear conductor 21 is wound in a plane spiral shape on the coil installation surface of a coil support 10 is concentrically fixed on the coil installation surface, and a flat coil 20 can be formed on the coil installation surface. A coil holding member 14 having an inner locking portion 14a and an outer locking portion 14b is removably locked to the coil installation surface by a locking bolt 15 and a locking bolt screw hole 11c, such that the flat coil 20 is detachably held on the coil installation surface.SELECTED DRAWING: Figure 2 【課題】 平板状コイル用の線状導体として外径が大きく巻回作業や交換作業に大きな力を要するリッツ線が使用される場合であっても、効率的な製造が可能で、平板状コイルの保守作業が容易であり、平板状コイル形成用の治具が不要な高周波大電流（例えば数百Ｈｚ以上、１００Ａ以上）用の高周波リアクトルを提供する。【解決手段】 コイル支持体１０のコイル設置面上で線状導体２１を平面スパイラル状に巻回する際のガイドとしての機能を持つ内側筒状体１２および外側筒状体１３の少なくとも一方を、コイル設置面に同心状に固定し、コイル設置面上で平板状コイル２０を形成可能とする。内側係止部１４ａと外側係止部１４ｂを持つコイル保持部材１４を、係止ボルト１５と係止ボルト用ネジ孔１１ｃによりコイル設置面に係脱可能に係止し、もって平板状コイル２０をコイル設置面に着脱可能に保持する。【選択図】 図２