谢谢上面几位兄弟
我今天布好线,接上模拟负载,给器具输入额定电压
可大概测试了两个小时,变压器绕组温度一直都在缓慢的升
有谁知道变压器(供刮胡刀用)温升要做多久
还有我对标准上一句话很不理解
The value of the output current is measured when steady state is established.
Then the supply voltage is increased by 10 % and the output current is adjusted to the same
value measured before. The output current is not adjusted for independent transformer. After
this no change is made in the circuit. The test is repeated under no-load condition if this is a
more unfavourable situation.
电压升高10%,如何保证电流不变?
而且模拟负载我算好了20W,接上去却有24W