感应加热电压型逆变器负载匹配的研究 关键词:电压型逆变器;LCLC谐振回路;负载匹配;开关损耗 [gap=1065]Key words:voltage source inve~er,LCLC resonant circuit,load matching,switch losses
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...少),而PT是负温度系数(由于P衬底较厚所以空穴注入较多而导致的三极管基区调制效应明显),而Vce(sat)决定了开关损耗(switch loss),所以如果需要同样的Vce(sat),则NPT必须要增加drift厚度,所以Ron就增大了。 上一篇:igbt是什么器件?
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switch-loss 开关损耗
switch loss model 开关损耗模型
minimum switch loss 最小开关损耗
Minimum switch loss SVPWM 小开关损耗空间SVPWM
loss of switch 开关损耗问题
With this method, the minimum switching losses can be reached, and the maximum switching current can be reduced effectively. So this method can meet the requirement of HVDC-VSC where lower switch loss is emphasized.
这种方法开关损耗最小,并可有效降低开关器件的最大开关电流,适应了HVDC-VSC降低开关损耗的需要。
参考来源 - 新型直流输电及其相关技术研究·2,447,543篇论文数据,部分数据来源于NoteExpress
One approach is the soft switch technique that is used to reduce switch loss.
首先,利用准谐振软开关技术能够有效降低开关损耗,提高效率。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明,系统电动机电流的谐波失真较小,直流母线电压利用率比常规的正弦波脉宽调制(SPWM)有了较大的提高,功率器件的开关损耗较小。
Double space vector modulation can realize zero current commutation of the rectifier side, greatly reduce the switch loss, and improve the efficiency of the converter.
双空间矢量调制两级协调控制能实现整流级零电流换流,极大地减少了开关损耗,提高了变换器的效率。
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