MAGNETIC CIRCUIT STRUCTURE OF CROSSLINKED MAGNETIC FLUX CONTROL TRANSFORMER

Japanese Patent JP3343084

B2

PROBLEM TO BE SOLVED: To provide a magnetic circuit structure for easily and economically manufacturing the magnetic circuit of three-phase crosslinked magnetic flux control transformer, without using more cores than necessary.
SOLUTION: A three-phase core 16, constituting the main magnetic circuit in a tripod constituting is arbitrarily formed by using an E-shaped cut core or the like. Then, an orthogonal magnetic core constituted by bringing the cut face of a second U-shaped cut core 11 through a contact face 15 into contact with the cut face of a first U-shaped cut core 13' by rotating the opening by 90° in a twisting direction is arranged, corresponding to each leg of this three- phase main magnetic circuit and a leakage magnetic circuit is constituted. A primary coil 14 is commonly wound around each leg of the main magnetic circuit and the leg of the first U-shaped cut core 13'. A secondary coils 17 is wound around the main magnetic circuit, and a control coil 12 is wound around the second U-shaped cut core 11. The cross-sectional areas of the first and second U-shape cut cores which constitute the leakage magnetic circuit are made to correspond to a voltage adjustment range, and each can be set so as to be almost 10% of the cross-sectional area of the main magnetic circuit.

JP2001508238	[Title of Invention] Controllable Inductor
JPH0429307	SATURABLE REACTOR

Hiromichi Sato
Mitsuru Maeda
Mineo Kawakami
Shigeaki Akatsuka
Hiromi Yagi
Takayuki Ito

JP31470198A

November 11, 2002

November 05, 1998

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Tohoku Electric Power Co., Inc.
Tohoku Electric Manufacturing Co., Ltd.

H01F29/14; G05F1/24; H02M5/10; (IPC1-7): H01F29/14; G05F1/24; H02M5/10

JP10214732A

Akichika Takano

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