VARIABLE TRANSFORMER
To provide a variable transformer that can change and adjust an output voltage with high accuracy.SOLUTION: A variable transformer 100 includes a first core portion 11, an iron core 1 having a second core portion 12 and a third core portion 13 facing the first core portion 11, a primary coil 2 wound...
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Zusammenfassung: | To provide a variable transformer that can change and adjust an output voltage with high accuracy.SOLUTION: A variable transformer 100 includes a first core portion 11, an iron core 1 having a second core portion 12 and a third core portion 13 facing the first core portion 11, a primary coil 2 wound around the first core portion 11 and connected to a power supply, a secondary coil A that is wound around the second core portion 12 and can variably output a voltage induced from the primary coil 2, and a secondary coil B that is wound around the third core portion 13 and can variably output the voltage induced from the primary coil 2, and the cross-sectional area of the iron core 1 in the third core portion 13 is smaller than the cross-sectional area of the iron core 1 in the second core portion 12.SELECTED DRAWING: Figure 1
【課題】出力される電圧を高い精度で可変・調整することが可能な可変変圧器を提供する。【解決手段】可変変圧器100は、第一コア部11と、第一コア部11と対向する第二コア部12及び第三コア部13とを有する鉄心1と、第一コア部11の周囲に巻かれ、電源に接続される一次コイル2と、第二コア部12の周囲に巻かれ、一次コイル2から誘導される電圧を可変に出力可能な二次コイルAと、第三コア部13の周囲に巻かれ、一次コイル2から誘導される電圧を可変に出力可能な二次コイルBと、を有し、第三コア部13における鉄心1の断面積は、第二コア部12における鉄心1の断面積よりも小さいことを特徴とする。【選択図】図1 |
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