枣庄干式变压器：枣庄干式变压器的铁心

枣庄干式变压器的铁心 　　
枣庄干式变压器的铁心与油浸式枣庄干式变压器铁心相同.是枣庄干式变压器的联系人：陈经理磁路和枣庄干式变压器内部骨架。作为磁路.它将枣庄干式传 真：0635-8888109变压器一次电路的电能转换为磁能.再由磁能转换为二次电路的电能传输给用电设备，即枣庄干式变压器是电能转换的媒介。因此，铁心由磁导率很高的晶粒取向冷轧硅钢片叠装并经夹紧装置构成。现代枣庄干式变压器硅钢片的厚度(0.27—0.35mm)很薄.因而其中的涡流损耗很小。
铁心作为枣庄干式变压器的内部骨架.其加紧是通过铁心的夹紧装置将硅钢片成为机械结构上的整体并在其上套有绕组，支持着引线，并安装枣庄干式变压器所有部件。
铁心的质量占枣庄干式变压器质量的大部分，根据对干式配电枣庄干式变压器统计结果，约占55%。
枣庄干式变压器铁心为框形闭合结构，其中套有绕组的称为铁心柱，不套绕组只起闭合磁路作用的称为铁轭。铁心柱与铁轭均在一个平面内.故称为平面式铁心。
我国生产的枣庄干式变压器中均采用心式铁心，即绕组包围了铁心柱的结构型式。
按枣庄干式变压器的相数可分为单相铁心及三相铁心，一般三相铁心均为三相三柱式铁心。
枣庄干式变压器铁心夹紧结构，使铁心构成为坚固的整体，在制造过程中，如起吊铁心时叠片不产生位移.绕组、引线和器身绝缘等相对位置不发生位移和变形。
由于铁心及其金属件在绕组漏磁场作用下而产生不同的电位.故铁心及其金属件必须接地.以确保安全。应注意的是铁心必须一点接地，因为多点接地时.相当于通过接地片而短接铁心片一样，形成环流，增加损耗。

Dry-type transformer core

The dry type power transformer core and oil-immersed transformer core magnetic circuit of the transformer and the transformer internal skeleton. As a magnetic circuit. It transformer circuits convert electrical energy into magnetic energy by the magnetic energy is converted to the secondary circuit of the electrical energy transmitted to the electrical equipment, that the transformer is the power conversion medium. Therefore, the core high permeability grain-oriented cold rolled silicon steel stacking and of the clamping device. Modern dry-type power transformer silicon steel sheet thickness (0.27-0.35mm) thin thus the eddy current loss is small.
Core internal skeleton as a transformer to step up is the core of the clamping device silicon steel mechanical structure on the whole and on the sets of windings, supporting the leads, and install all components of the transformer.
The quality of the core of most of the quality of the transformer, according to the statistical results of dry-type distribution transformers, accounting for about 55%.
Transformer core closed box-shaped structure, which sets known as the Core of winding, not sets of windings from the closed circuit effect called yoke of iron. Core of the iron yoke in a plane. So called planar core.
China's production of dry type power transformers are used in centrifugal core winding surrounded by the core column structure type.
The number of dry-type power transformers can be divided into single-phase core and three-phase core, the general three-phase core are three-phase three-column core.
Dry-type power transformer core clamping structure, the core constitutes a solid overall, in the manufacturing process, such as lifting the core laminated displacement. Winding, leads and the body of insulation such as the relative position of the displacement and deformation.
Different potential core and its metal leakage magnetic field in the winding, so the core and metal parts must be grounded to ensure safety. It should be noted that the core must be grounded, because the multi-point grounding. Equivalent to the ground lug shorted laminations, the formation of circulation, increasing losses.

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