Gap-butt three-phase three-limb amorphous core device with approximate-circle cross-section
A technology of amorphous iron core and three-phase three-column, which is applied in the field of gap-joint three-phase three-column amorphous core device, which can solve the problems of easily damaged coil insulation materials and large amount of copper used for coils, and achieve copper saving Volume, small girth, and volume-reducing effects
Inactive Publication Date: 2009-06-03
BEIJING ZJLG AMORPHOUS TECH CO LTD
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Problems solved by technology
With this core structure, the amount of copper used in the coil is relatively large, and the corners of the core are easy to damage the insulating material on the coil
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[0009] See Figure 1-2 , The present invention provides a seam butt-joint three-phase three-column amorphous iron core device with an approximately circular cross-section, comprising an outer amorphous iron core 110, two inner amorphous iron cores 120 and three coils 400, the two The inner amorphous iron core is located side by side in the middle hole of the outer amorphous iron core, one side arm of each inner amorphous iron core is adjacent to one side arm of the other amorphous inner iron core, and the other side arm is adjacent to the outer amorphous iron core One side arm is adjacent to each other, and the adjacent side arms constitute an iron core column. The amorphous iron core pieces in any amorphous iron core are divided into a number of butting groups with different lengths. The two ends of the same butting group are butted with each other. There is a tiny seam 300 of equal width inside and outside. The tiny seams of different butt joint groups are separated from each oth...
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The invention relates to a gap-butt three-phase three-limb amorphous core with an approximate-circle cross-section, comprising an outer amorphous core, two inner amorphous cores and three coils. The two inner amorphous cores are positioned in the middle hole of the outer amorphous core side by side; the amorphous cores are formed by packing a plurality of amorphous core plates, wherein, the core plates of one amorphous core are divided into a plurality of butt groups with different lengths, and the two ends of one butt group are butted at the bonding land of the cores to form a micro seam with equivalent width; the amorphous core plates have different widths, the amorphous core plates arranged inside the outer core are wider than the amorphous core plates arranged outside, and the amorphous core plates arranged outside the inner cores are wider than the amorphous core plates arranged inside; and the coils are respectively sheathed on corresponding core limbs. The gap-butt three-phase three-limb amorphous core of the invention has compact structure, is beneficial to saving the usage of copper in the coils, prevents the insulating materials of the coils from being damaged by extrusive corner angles and is mainly used in corresponding amorphous transformers.
Description
Technical field [0001] The invention relates to a seam butt-joint three-phase three-column amorphous iron core device with an approximately circular cross-section, belonging to the electrical technical field and mainly applicable to various multi-core transformers. technical background [0002] The amorphous iron core of the existing multi-core transformer is composed of several layers of amorphous iron core sheets stacked together to form a closed electromagnetic field loop, which is used to transmit magnetic flux. The iron core posts on both sides of the iron core are covered with coils. Alternating magnetic field, the magnetic flux of this magnetic field is transferred to another coil through the iron core to form an induced current, thereby realizing energy transfer and voltage transformation. At present, the width of each layer of amorphous iron core in the same amorphous iron core is the same The cross-section of the side arm of the iron core thus formed is rectangular, and...
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IPC IPC(8): H01F27/26H01F27/245H01F41/02
Inventor 徐继斌何力张卫国徐磊
Owner BEIJING ZJLG AMORPHOUS TECH CO LTD