The results showed that shielded screen can regulate the magnetic flux density distribution to assure melt in ideal state in forming inductor.
结果表明：屏蔽罩能够调节成形感应圈内的磁场分布，使成形感应圈内的熔体处于合理状态；
2
Considering the resistor of switch, resistor of inductance and current ripple of inductor, we could get ideal transfer function and non-ideal transfer function.