磁芯间隙对变压器的影响

哪位大哥能告诉小弟两个磁芯间有两个毫米的间隙(如图),对变压器有多大影响.我用的是U93的磁芯.                                                                                                                                                                                                                                                                                                              500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/55/1859871184230559.bmp');}" onmousewheel="return imgzoom(this);">