JPH0480036U

JPH0480036U -

Info

Publication number: JPH0480036U
Application number: JP12473490U
Authority: JP
Priority date: 1990-11-27
Filing date: 1990-11-27
Publication date: 1992-07-13

Description

[Brief explanation of drawings]

第１図は本考案の実施例の巻線間の接続を示す
接続図、第２図は本考案の実施例で用いる複合変
圧器本体の構成を概略的に示した構成図、第３図
は第１図の実施例の１次及び２次電圧を示すベク
トル図、第４図は第１図の実施例の２次側の電圧
及び電流を示すベクトル図である。Ｉ……鉄心、Ｃ……巻線、Ｍ１……第１の単位
変圧器、Ｍ２……第２の単位変圧器、Ｕ１，Ｖ１
，Ｗ１……１次側外部端子、Ｕ２，Ｖ２，Ｗ２，
Ｔ２……２次側端子、ｎ……中性点端子、Ｃ１１
……第１の１次巻線、Ｃ２１……第２の１次巻線
、Ｃ１２……第１の２次巻線、Ｃ２２……第２の
２次巻線、Ｃ３２……第３の２次巻線。 Fig. 1 is a connection diagram showing the connection between windings in an embodiment of the present invention, Fig. 2 is a configuration diagram schematically showing the structure of the main body of a composite transformer used in an embodiment of the invention, and Fig. 3 is a FIG. 4 is a vector diagram showing the primary and secondary voltages of the embodiment shown in FIG. 1, and FIG. 4 is a vector diagram showing the voltage and current on the secondary side of the embodiment shown in FIG. I... Iron core, C... Winding, M1... First unit transformer, M2... Second unit transformer, U1, V1
, W1...Primary side external terminal, U2, V2, W2,
T2...Secondary side terminal, n...Neutral point terminal, C11
...First primary winding, C21...Second primary winding, C12...First secondary winding, C22...Second secondary winding, C32...Third secondary winding Next winding.

Claims

[Claims for Utility Model Registration] A first unit transformer having a first primary winding C11 and a first secondary winding C12 whose terminal is drawn out from the midpoint; Winding C21 and second secondary winding C2
2 and a second unit transformer having a third secondary winding C32, one end of each of the first primary winding C11 and the second primary winding C21 is connected to the primary winding C32. the other ends of the first primary winding C11 and the second primary winding C21 are connected to a common primary external terminal V1; One end of each of the secondary winding C12 and the third secondary winding C32 is connected to a common secondary external terminal U2, and one end of the second secondary winding C22 is connected to the secondary external terminal W2. The other end of the third secondary winding C32 is connected to the external terminal T.
2, the other ends of the first secondary winding C12 and the second secondary winding C22 are connected to a common secondary external terminal v2, and the first secondary winding C12 and the second secondary winding C22 are connected to A composite transformer characterized in that the midpoint is connected to the neutral terminal.