Page 49 - Demo

2025%u5e747-8%u6708 | www.eettaiwan.comDESIGN CORNER 47%u57163%uff1aIGBT%u4e2d%u5b58%u5728%u6c23%u8207%u88c2%u7e2b%u7684%u793a%u610f%u5716%u3002%u57165%uff1a%u8b8a%u58d3%u5668%u4e00%u3001%u4e8c%u6b21%u5074%u7dda%u5708%u7684%u7dda%u6750%u9593%u767c%u751f%u5c40%u90e8%u653e%u96fb%u3002%u57164%uff1aIGBT%u6301%u7e8c%u5c40%u90e8%u653e%u96fb%u7684%u52a3%u5316%u8def%u5f91%u5be6%u7167%u3002%u80fd%u91cf%u6e2c%u653e%u96fb%u7684%u96fb%u8377%u91cf(pC)%uff0c%u78ba%u8a8d%u5f85%u6e2c%u7269%u7684%u7d55%u7de3%u6750%u6599%u662f%u5426%u6709%u7d55%u7de3%u54c1%u8cea%u7570%u5e38%u7684%u6f5b%u5728%u98a8%u96aa%u3002%u6545%u65bd%u52a0%u4e00%u500b%u7565%u9ad8%u65bc%u5143%u4ef6%u6700%u9ad8%u7684%u984d%u5b9a%u5de5%u4f5c%u96fb%u58d3%u5c0d%u5143%u4ef6%u9032%u884c%u5c40%u90e8%u653e%u96fb%u6e2c%u8a66%uff0c%u78ba%u4fdd%u5143%u4ef6%u9577%u6642%u9593%u5728%u6b63%u5e38%u5de5%u4f5c%u96fb%u58d3%u4e0b%u7684%u53ef%u9760%u6027(%u7121%u6301%u7e8c%u6027%u7684%u5c40%u90e8%u653e%u96fb)%u3002%u529f%u7387%u5143%u4ef6%u4e2d%u7684IGBT%u8207SiCMOSFET%u88ab%u61c9%u7528%u65bc%u5404%u7a2e%u9818%u57df(%u8b6c%u5982%uff1a%u96fb%u5b50%u7522%u54c1%u3001%u5de5%u696d%u8a2d%u5099%u3001%u822a%u7a7a%u822a%u592a%u3001%u8ecd%u7528%u8a2d%u5099%u3001%u9435 %u8def%u8a2d%u5099%u3001%u65b0%u80fd%u6e90%u3001%u667a%u6167%u96fb%u7db2%u3001%u65b0%u80fd%u6e90%u8eca%u7b49)%uff0c%u800c%u4e14%u7d93%u5e38%u88ab%u4f7f%u7528%u65bc%u9ad8%u529f%u7387/%u5927%u96fb%u6d41%u7684%u96fb%u6e90%u8f49%u63db/%u63a7%u5236%u7dda%u8def%uff0c%u5de5%u4f5c%u96fb%u58d3%u901a%u5e38%u90fd%u662f%u6578%u5343%u4f0f%u7279%uff0c%u7531%u65bc%u6703%u88ab%u5207%u63dbON/OFF%u72c0%u614b%u7684%u95dc%u4fc2%uff0c%u6a21%u7d44%u4e2d%u7684%u9598%u6975(Gate)%u8207%u96c6%u6975(Collector)%u6216%u6c72%u6975(Drain)%u4e4b%u9593%u4ee5%u53ca%u6a21%u7d44%u8207%u6563%u71b1%u677f%u4e4b%u9593%u6703%u51fa%u73fe%u8108%u885d%u5bec%u5ea6%u8abf%u8b8a(PWM)%u7684%u9ad8%u96fb%u58d3%u5dee%u3002%u7576%u9ad8%u96fb%u58d3%u8de8%u8d8a%u5728%u542b%u6709%u6c23%u6ce1%u3001%u6c23%u9699%u6216%u88c2%u7e2b%u7684%u7d55%u7de3%u6750%u6599%u6642%uff0c%u5c31%u6709%u8f03%u5927%u7684%u53ef%u80fd%u6027%u6703%u767c%u751f%u5c40%u90e8%u653e%u96fb%uff0c%u7d93%u904e%u9577%u6642%u9593%u7684%u5de5%u4f5c%u5f8c%u6703%u6162%u6162%u4f7f%u7d55%u7de3%u6750%u6599%u9010%u6f38%u52a3%u5316%uff0c%u9032%u800c%u9020%u6210%u7d55%u7de3%u6750%u6599%u7684%u7d55%u7de3%u5931%u6548%u5c0e%u81f4%u7522%u54c1%u640d%u58de%u3002%u53e6%u5916%uff0c%u6bcf%u500b%u6a21%u7d44%u7684%u9598%u6975(Gate)%u8207%u5c04%u6975(Emitter)%u6216%u6e90%u6975(Source)%u4e4b%u9593%u5de5%u4f5c%u504f%u58d3%u53ef%u80fd%u662f%u7531%u5404%u5225%u7684%u8b8a%u58d3%u5668%u6240%u63d0%u4f9b%uff0c%u800c%u8b8a%u58d3%u5668%u7684%u4e00%u3001%u4e8c%u7684%u6b21%u5074%u4e4b%u9593%u4e5f%u6703%u5b58%u9ad8%u983b%u7684%u9ad8%u96fb%u58d3%u5dee%u3002%u7576%u8b8a%u58d3%u5668%u4e00%u3001%u4e8c%u6b21%u5074%u7684%u7d55%u7de3%u80fd%u529b%u4e0d%u8db3%uff0c%u6301%u7e8c%u6027%u7570%u5e38%u653e%u96fb%u7684%u7a81%u6ce2%u4e5f%u53ef%u80fd%u6703%u4f7f%u6578%u4f4d%u63a7%u5236%u52d5%u4f5c%u7570%u5e38%u53ca%u5c0e%u81f4%u96fb%u6676%u9ad4%u6545%u969c%u3002%u96d6%u7136%u8b8a%u58d3%u5668%u4f7f%u7528%u7684%u7dda%u6750%u672c%u8eab%u53ef%u80fd%u5177%u6709%u8db3%u5920%u7684%u8010%u58d3%u80fd%u529b(%u8b6c%u5982%uff1a%u8010%u58d33000V%u7684%u7dda%u6750)%uff0c%u4f46%u662f%u7576%u4e00%u4e8c%u6b21%u5074%u7684%u7dda%u5708%u76f8%u9130%u5f88%u8fd1%u6216%u662f%u9760%u5728%u4e00%u8d77%u6642%uff0c%u770b%u4f3c%u7dda%u6750%u4e4b%u9593%u597d%u50cf%u53ef%u4ee5%u627f%u53d7%u76f8%u7576%u9ad8%u8010%u58d3(%u8b6c%u5982%uff1a6000V)%uff0c%u4f46%u5be6%u969b%u4e0a%u53ef%u80fd%u65bc%u4e00%u822c%u96fb%u58d3(%u8b6c%u5982%uff1a1000V)%u5de5%u4f5c%u4e00%u6bb5%u6642%u9593%u5f8c%u5c31%u767c%u751f%u6545%u969c%u4e86%u3002%u9019%u662f%u56e0%u70ba%u4e00%u822c%u7dda%u6750%u7d55%u7de3%u76ae%u7684%u4ecb%u96fb%u4fc2%u6578%u90fd%u9060%u5927%u65bc%u7a7a%u6c23%uff0c%u6240%u4ee5%u4f7f%u7a7a%u6c23%u9593%u9699%u7684%u8de8%u96fb%u58d3/%u5206%u57166%uff1a%u5149%u8026%u5408%u5668%u4e2d%u5b58%u5728%u6c23%u6ce1%u7684%u793a%u610f%u5716%u3002