发布网友 发布时间:2022-05-05 16:10
共5个回答
热心网友 时间:2023-10-09 00:22
由于铁芯面积小,变压器可能工作达到磁饱和区。磁饱和区导磁接近于1原边的感抗分量减小所以空载电流会増大。另一方面饱区会铁芯的磁滞损增大。所以铜损铁都是上升。劣质变压空载发热就这个原因。热心网友 时间:2023-10-09 00:22
因为磁阻增加,磁场强度减小,热心网友 时间:2023-10-09 00:23
功率就变小了,还可能有噪音。热心网友 时间:2023-10-09 00:23
https://m.baidu.com/from=1099a/bd_page_type=1/ssid=0/uid=0/pu=sz%401320_480%2Ccuid%40C17ADB8913A4A2937C84C18EC1CCB9F46C8ECBCB6OHQGSTBDKG%2Ccua%401125_2001_iphone_10.13.5.11_0%2Ccut%40iPhone7%252C1_11.3.1%2Cosname%40boxapp%2Cctv%401%2Ccfrom%401099a%2Ccsrc%40home_box_txt%2Ccud%40QjNCMDZDNDYtMUUzOS00NEZFLTkyN0MtMjI0RTc4NzAzQjBE%2Cta%40zbios_1_11.3_6_10.13%2Cusm%402%2Cvmgdb%400020100228y/id=CE24E2FCAF813EFDA537109B41615940/w=0_10_/t=zbios/l=1/tc?ref=www_zbios&lid=9881643851568348144&order=1&fm=alop&isAtom=1&waplogo=1&is_=0&tj=www_normal_1_0_10_title&vit=osres&waput=2&cltj=normal_title&asres=1&title=%E6%9C%89%E4%B8%80%E5%8F%B0%E5%8F%98%E5%8E%8B%E5%99%A8%E5%9C%A8%E4%BF%AE%E7%90%86%E6%97%B6%E5%9B%A0%E6%95%85%E5%B0%86%E9%93%81%E8%8A%AF%E6%88%AA%E9%9D%A2%E5%87%8F%E5%B0%8F%E4%BA%86%28%E5%85%B6%E4%BB%96%E6%95%B0%E6%8D%AE...&hwj=1551680864435042&dict=-1&wd=&eqid=8922a6ba51a77800100000065c1704b3&w_qd=IlPT2AEptyoA_yjkTIAd5wCxIFNSjZonuD9Yn3XV8f1tVhozNDtdt94eihttlNYPs3Vw_sI1WYLMXONumBbzWWqPN6psBgS8DglfQHRONmcwy8_RK9jNbn9qzxfAV5wLCVyfQVv_KY_cfrDmV7IUM9rrStO&tcplug=1&sec=34970&di=deac6a3ca84e9232&bdenc=1&tch=124.0.212.137.0.0&nsrc=IlPT2AEptyoA_yixCFOxCGZb8c3JV3T5ABfPNDtP0j3w95qshbWxBcBjZySqAp8JU-WkcDPLsRoJwSO-RyJrlK热心网友 时间:2023-10-09 00:24
。。。