Ring-type core is a closed magnetic core, magnetic flux leakage small, suitable for production broadband or pulse transformer, drive transformer or choke map. However, the more difficult the coil winding
EE type core common specifications EE13, EE16, EE19, EE20, EE22, EE25, EE28, EE30, EE40, EE55, and some suitable for switching power transformers, and some can make driving transformers, pulse transformers. Of the EE core, the flux density distribution in the column and the side column theoretically should be uniform, but using the same column and the winding-side column (as described in column 5 of the two turns 5 turns in parallel to each of the jamb ) to do the measurement, with a carrying capacity of many small side column, which shows whether there are differences in the flux density distribution of the column when the column and side load?
One of the most intuitive, circular wound when there is no EE convenience, cooling ring much better than EE, leakage inductance is small. Ring easy saturation (no air gap, Br greater impact on changes in the value of available B), EE somewhat gap exists. From Dongguan Hui Tang Yue Technology Engineering R editor