{"id":9322,"date":"2022-08-19T10:56:52","date_gmt":"2022-08-19T02:56:52","guid":{"rendered":"http:\/\/www.szryc.com\/?p=9322"},"modified":"2022-08-19T10:56:52","modified_gmt":"2022-08-19T02:56:52","slug":"%e5%bc%80%e5%85%b3%e7%94%b5%e6%ba%90%e7%9a%84%e7%94%b5%e6%84%9f%e8%ae%a1%e7%ae%97","status":"publish","type":"post","link":"http:\/\/www.szryc.com\/?p=9322","title":{"rendered":"\u5f00\u5173\u7535\u6e90\u7684\u7535\u611f\u8ba1\u7b97"},"content":{"rendered":"

1\u3001 \u4efb\u4f55\u5f00\u5173\u7535\u6e90<\/u>\u7684\u62d3\u6251\u4e0a\u7535\u611f<\/u>\u8fbe\u5230\u7a33\u5b9a\u72b6\u6001\u7684\u5fc5\u8981\u6761\u4ef6\u662f\u25b3Ion=\u25b3Ioff=\u25b3I<\/p>\n

\u5c31\u662f\u8bf4\u5f00\u5173<\/u>\u5bfc\u901a\u9636\u6bb5\u7535\u6d41<\/u>\u589e\u91cf\u25b3Ion\u6b63\u597d\u7b49\u4e8e\u5f00\u5173\u5173\u65ad\u9636\u6bb5\u7535\u6d41\u51cf\u91cf\u25b3Ioff\uff0c\u53ea\u6709\u8fd9\u6837\u7535\u8def<\/u>\u624d\u80fd\u8fbe\u5230\u4e00\u4e2a\u7a33\u5b9a\u7684\u72b6\u6001\uff0c\u5373\u4f7f\u65e0\u6570\u6b21\u91cd\u590d\u76f8\u540c\u7684\u8fd9\u4e2a\u5f00\u5173\u8fc7\u7a0b\uff0c\u6bcf\u6b21\u4e5f\u53ef\u4ee5\u8fbe\u5230\u4e00\u6837\u7684\u7ed3\u679c;\u6211\u4eec\u7ecf\u5e38\u542c\u5230\u4e00\u4e2a\u8bcd\u7535\u611f\u590d\u4f4d\u8bb2\u7684\u5c31\u662f\u8fd9\u4e2a\u72b6\u6001\uff0c\u6ee1\u8db3\u25b3Ion=\u25b3Ioff\u5c31\u662f\u7535\u611f\u590d\u4f4d\u6210\u529f\u3002<\/p>\n

\u5982\u679c\u8bf4\u4e00\u4e2a\u62d3\u6251\u4e0d\u80fd\u6ee1\u8db3\u8fd9\u4e2a\u5173\u7cfb\u5f0f\uff0c\u90a3\u4e48\u6bcf\u4e2a\u5f00\u5173\u5468\u671f\u7535\u611f\u7535\u6d41\u4ea7\u751f\u4e00\u4e2a\u51c0\u589e\u91cf\uff0c\u5e76\u4e00\u76f4\u7d2f\u52a0\uff0c\u7535\u6d41\u5c06\u4f1a\u8fbe\u5230\u4e00\u4e2a\u4e0d\u53ef\u63a7\u7684\u72b6\u6001\u3002<\/p>\n

2\u3001\u6839\u636e\u6bcf\u6b21\u5f00\u5173\u65f6\u7535\u611f\u7535\u6d41\u7684\u8d77\u59cb\u503c\u4e0d\u540c\uff0c\u5206\u4e3a\u51e0\u79cd\u6a21\u5f0f\uff1aCCM, BCM, DCM, FCCM<\/p>\n

\u5bf9\u7535\u611f\u4e0a\u7684\u7535\u6d41\u6d4b\u8bd5<\/u>\uff0c\u6211\u662f\u627e\u4e86\u4e00\u4e2a100m\u03a9\u7684\u5206\u6d41\u5668\u653e\u5728\u4e86\u7535\u611f\u7684\u540e\u9762\uff0c\u6d4b\u8bd5100m\u03a9\u7535\u963b<\/u>\u4e24\u7aef\u7684\u7535\u538b<\/p>\n

CCM:<\/p>\n

\"poYBAGL6CkiAfCQGAACoRNVC0Zc498\"<\/p>\n

BCM:<\/p>\n

\"pYYBAGL6ClqAZagGAADSfQVdqwk177\"<\/p>\n

DCM:<\/p>\n

\"pYYBAGL6CmqAJTvJAADHtibRqtU110\"<\/p>\n

FCCM:<\/p>\n

\"pYYBAGL6CoGAFyuNAAC8mgG7snA731\"<\/p>\n

3\u3001\u4f0f\u79d2\u5e73\u8861<\/p>\n

\u7535\u611f\u65b9\u7a0b\uff1a V=L* \u25b3 I \/ \u25b3 T \u7535\u611f\u4e24\u7aef\u7535\u6d41\u8fde\u7eed<\/p>\n

\u7535\u611f\u7a33\u6001\u65f6\u6709 \u25b3 Ion= \u25b3 Ioff = \u25b3 I<\/p>\n

\u7531\u4e0a\u9762\u4e24\u4e2a\u5df2\u77e5\u6761\u4ef6\u53ef\u4ee5\u77e5\u9053\uff0c\u5bfc\u901a\u9636\u6bb5\u7535\u611f\u7535\u538b\u4e0e\u5bfc\u901a\u65f6\u95f4\u7684\u4e58\u79ef\u4e00\u5b9a\u7b49\u4e8e\u5173\u65ad\u65f6\u7535\u611f\u7535\u538b\u4e0e\u5173\u65ad\u65f6\u95f4\u7684\u4e58\u79ef\uff0c\u5373\u4e3a\uff1a<\/p>\n

Von * Ton = Voff * Toff<\/p>\n

\u8fd9\u4e2a\u5173\u7cfb\u5f0f\u5c31\u662f\u4f0f\u79d2\u79ef\u5e73\u8861\u5173\u7cfb\u5f0f<\/p>\n

\u5f00\u5173\u7535\u6e90\u4e2d\u5360\u7a7a\u6bd4\u7684\u5b9a\u4e49\uff1a\u5f00\u5173\u5bfc\u901a\u65f6\u95f4\u4e0e\u5468\u671f\u4e4b\u6bd4<\/p>\n

D=Ton\/T<\/p>\n

4\u3001DCDC\u62d3\u6251\u7ed3\u6784<\/p>\n

Buck-boost<\/p>\n

\"pYYBAGL6CqKAe19XAAJ-C60fE50967\"<\/p>\n

Von*Ton=Voff*Toff<\/p>\n

Von= Vin - Vm<\/p>\n

Voff=Vout + Vd<\/p>\n

Toff\/Ton=(Vin-Vm)\/(Vout+Vd)<\/p>\n

D=Ton\/(Ton+Toff)\u2248Vout\/(Vin+Vo)\u5347\u964d\u538b\u7684\u5360\u7a7a\u6bd4\u8ba1\u7b97<\/p>\n

boost\uff1a<\/p>\n

\"pYYBAGL6CreAL5wZAAJtMzHgwME284\"<\/p>\n

Von*Ton=Voff*Toff<\/p>\n

Von= Vin - Vm<\/p>\n

Voff=Vout + Vd -Vin<\/p>\n

Toff\/Ton=(Vin-Vm)\/(Vout+Vd-Vin)<\/p>\n

D=Ton\/(Ton+Toff) \u2248 (Vout-Vin)\/Vout\u5347\u538b\u7684\u5360\u7a7a\u6bd4\u8ba1\u7b97<\/p>\n

buck\uff1a<\/p>\n

\"poYBAGL6CueAC4l9AAJ4glpNu1k123\"<\/p>\n

Von*Ton=Voff*Toff<\/p>\n

Von= Vin - Vm -Vout<\/p>\n

Voff=Vout + Vd<\/p>\n

Toff\/Ton=(Vin-Vm-Vout)\/(Vout + Vd)<\/p>\n

D=Ton\/(Ton+Toff)\u2248Vout\/Vin \u964d\u538b\u7684\u5360\u7a7a\u6bd4<\/p>\n

5\u3001\u7535\u611f\u7684\u8ba1\u7b97<\/p>\n

\u7531\u7535\u611f\u65b9\u7a0b\uff1aV=L*\u25b3I \/ \u25b3T \u77e5\u9053\u25b3I =V* \u25b3T \/L,\u77e5\u9053\u7535\u611f\u7535\u6d41\u7684\u4ea4\u6d41\u7eb9\u6ce2\u25b3I \u5b8c\u5168\u7531\u4f0f\u79d2\u79ef\u548c\u7535\u611f\u503c\u7684\u5927\u5c0f\u51b3\u5b9a\u3002<\/p>\n

\u7535\u6d41\u7eb9\u6ce2\u7387r\uff1a\u5b83\u8868\u793a\u7684\u662f\u7535\u611f\u7535\u6d41\u7684\u4ea4\u6d41\u5206\u91cf\u4e0e\u76f4\u6d41\u5206\u91cf\u6bd4\u503c\uff0c\u5373r= \u25b3I \/ IL\uff0c\u8fd9\u91cc\u7684IL\u4e3a\u5e73\u5747\u76f4\u6d41\u5206\u91cf<\/p>\n

Ipk=IL<\/p>\n

r\u503c\u4e0e\u7535\u611f\u503c\u7684\u5173\u7cfb\uff1a\u7531\u25b3I =V* \u25b3T \/L\uff0c r= \u25b3I \/ IL\uff0cTon=D\/f\u77e5;<\/p>\n

r=(Von*D)\/(L*IL*f)<\/p>\n

\u8fd9\u6837\u4e5f\u5c31\u63a8\u51fa\uff1aL =(Von*D)\/(r*IL*f)<\/p>\n

\u800c\u4e14r\u662f\u6839\u636e\u4e00\u822c\u7ecf\u9a8c\u7ed9\u51fa\u7684\uff0c\u5927\u7ea6\u57280.3~0.5\u4e4b\u95f4\uff0c\u4e00\u822c\u5c31\u9009\u62e90.4<\/p>\n

\u7535\u611f\u53c2\u6570\u8ba1\u7b97\u5982\u4e0b\uff1a<\/p>\n

\"pYYBAGL6CwiAQMA-AAQhEZ3U18E881\"<\/p>\n

\u8fd8\u6709\u4e00\u4e2a\u5c31\u662f\u78c1\u6027\u5143\u4ef6<\/u>\u5e38\u7528\u7684\u7535\u6d41\u578b\u548c\u7535\u538b\u578b\u65b9\u7a0b<\/p>\n

\u7531 V=N* d\u03a6 \/ dt =L*di\/ dt \u5f97\u5230<\/p>\n

B=L*IL\/N* Ae \uff0c\u7535\u6d41\u578b\u65b9\u7a0b<\/p>\n

B=U* dt \/N* Ae,Bac = Uon *D\/2*N* Ae *f \uff0c\u7535\u538b\u578b\u65b9\u7a0b<\/p>\n

\u9ad8\u9891\u53d8\u538b\u5668<\/u>\u7684\u8ba1\u7b97<\/p>\n

\u9996\u5148\u8981\u4e86\u89e3\u78c1\u6027\u5143\u4ef6\u8ba1\u7b97\u7684\u4e24\u4e2a\u57fa\u672c\u5b9a\u5f8b\uff1a 1 \u3001\u5b89\u57f9\u5b9a\u5f8b 2 \u3001\u7535\u78c1\u611f\u5e94<\/u>\u5b9a\u5f8b<\/p>\n

1. \u5b89\u57f9\u5b9a\u5f8b\uff1a\u4e00\u4e2a\u78c1\u6027\u5747\u5300\u7684\u73af\uff0c\u5728\u73af\u7684\u5706\u5468\u4e0a\u5747\u5300\u7ed5 N \u531d\u7ebf\u5708\uff0c\u5e73\u5747\u5706\u7684\u5468\u957f\u4e3a Le, \u7ebf\u5708\u4e2d\u901a\u8fc7\u7684\u7535\u6d41\u4e3a I, \u6839\u636e\u5168\u7535\u6d41\u5b9a\u5f8b\uff0c\u7535\u6d41\u4e0e\u78c1\u573a\u5f3a\u5ea6 \u7684\u5173\u7cfb\u4e3a I*N=H*Le \u3002<\/p>\n

\u78c1\u573a\u5f3a\u5ea6 H= ( I*N ) \/L e \uff0c MKS \u5355\u4f4d\u662f A\/m \uff0c GGS \u7684\u8868\u8fbe H=(0.4*PI<\/u>*I*N)\/(100*L), \u5355\u4f4d\u662f\u5965\u65af\u7279 oe \u3002\u53ef\u4ee5\u770b\u51fa\u78c1\u573a\u5f3a\u5ea6\u968f\u7740\u7535\u6d41\u7684\u589e\u52a0\u800c\u589e\u52a0\u3002<\/p>\n

2. \u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\uff1a\u4e00\u4e2a N \u531d\u7ebf\u5708\uff0c\u5305\u56f4\u7684\u9762\u79ef\u4e3a A \uff0c\u5982\u679c\u5305\u56f4\u9762\u79ef A \u4e2d\u7684 \u78c1\u901a\u53d1\u751f\u53d8\u5316\uff0c\u90a3\u4e48\u5c31\u4f1a\u5728\u7ebf\u5708\u7684\u4e24\u7aef\u611f\u5e94\u51fa\u7535\u52a8\u52bf\uff0c\u8fd9\u4e2a\u7535\u52a8\u52bf\u7684\u5927\u5c0f\u4e0e\u5305\u56f4\u9762\u79ef\u4e2d\u7684\u78c1\u901a\u94fe\u7684\u53d8\u5316\u7684\u5173\u7cfb\u662f<\/p>\n

U=(N* d\u03a6 )\/ dt \uff0c\u5176\u4e2d \u03a6=N*B*A \uff0c\u5219 U=(A*N)*dB\/ dt \u3002<\/p>\n

3. \u8054\u7acb\u5b89\u57f9\u5b9a\u5f8b\u4e0e\u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\u53ef\u4ee5\u5f97\u51fa\u7535\u611f\u7684\u8ba1\u7b97\u5f0f\u3002<\/p>\n

B= \u03bcH \u4ee3\u5165 U=(N*A)d (\u03bc H ) \/ dt , \u4e14 H=(I*N)\/L \uff0c\u5f97\u5230 U= ( N^2*A*\u03bc* dI ) \/L* dt \u3002<\/p>\n

\u5219\u7535\u611f L=(N^2*A*\u03bc)\/Le \u3002\u6240\u4ee5\u8bf4 U=L*di\/ dt \u5c31\u662f\u7535\u78c1\u611f\u5e94\u5b9a\u5f8b\u7684\u53d8\u5f62\u3002<\/p>\n

\u7535\u611f\u7684\u5b9a\u4e49\uff1a\u7535\u611f\u662f\u5bfc\u7ebf\u5185\u901a\u8fc7\u4ea4\u6d41\u7535\u6d41\u65f6,\u5728\u5bfc\u7ebf\u7684\u5185\u90e8\u53ca\u5176\u5468\u56f4\u4ea7\u751f\u4ea4\u53d8\u78c1\u901a,\u5bfc\u7ebf\u7684\u78c1\u901a\u91cf\u4e0e\u751f\u4ea7\u6b64\u78c1\u901a\u7684\u7535\u6d41\u4e4b\u6bd4. L=\u03a6\/I<\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001 \u4efb\u4f55\u5f00\u5173\u7535\u6e90\u7684\u62d3\u6251\u4e0a\u7535\u611f\u8fbe\u5230\u7a33\u5b9a\u72b6\u6001\u7684\u5fc5\u8981\u6761\u4ef6\u662f\u25b3Ion=\u25b3Ioff=\u25b3I \u5c31\u662f\u8bf4\u5f00\u5173\u5bfc\u901a\u9636\u6bb5\u7535\u6d41\u589e\u91cf\u25b3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"_links":{"self":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/9322"}],"collection":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9322"}],"version-history":[{"count":1,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/9322\/revisions"}],"predecessor-version":[{"id":9332,"href":"http:\/\/www.szryc.com\/index.php?rest_route=\/wp\/v2\/posts\/9322\/revisions\/9332"}],"wp:attachment":[{"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9322"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9322"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.szryc.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}