µ±Ç°Î»ÖãºÊ×Ò³ > »ª¿ÆµçÆø¿¼ÑÐ814µç·2001ÄêÖÁ2013ÄêÕæÌâÈ«½â
»ªÖпƼ¼´óѧ
2001ÄêÕÐÊÕ˶ʿÑо¿ÉúÈëѧ¿¼ÊÔÊÔÌâ
¿ÆÄ¿´úÂë¼°Ãû³Æ£º µç·ÀíÂÛ 814 ÊÊÓÃרҵ£º µçÆø¹¤³ÌËùÓÐרҵ¡¢»·¾³¹¤³Ì
1.£¨15·Ö£©µç·ÈçͼËùʾ£¬ÊÇÁгöÆä½Úµãµçλ·½³Ì£¬²¢Çó³ö¸÷¶ÀÁ¢µçÔ´¡¢ÊÜ¿ØÔ´·¢³öµÄ¹¦ÂÊ¡£
I3+10V-5?I68?+U1I1I22?10?I42?10A-I5+5V-I81?+U95I2-I7
2.£¨15·Ö£©µç·ÈçͼËùʾ£¬ÒÑÖªIS1?2A£¬IS2?3A£¬US?6V£¬Ê¹ÓÃÍøÂ綨ÀíÇóµçѹ±íµÄ¶ÁÊý¡£
V2?4?3?IS13?IS24?3?
3.£¨15·Ö£©µç·ÈçͼËùʾ£¬Í¼£¨a£©ÖÐÔËËã·Å´óÆ÷ΪÀíÏëÔËËã·Å´óÆ÷£¬
uÇó£º1£©Êä³öµçѹÓëÊäÈëµçѹµÄ¹ØÏµ£ºo£» ui2£©Èôui(t)µÄ²¨ÐÎÈçͼ£¨b£©£¬ÇÒR1?10? r?10?£¬»³öuo(t)µÄ²¨ÐΣ»
3£©ÊÔÓÃÒ»¸öÀíÏëÔËËã·Å´óÆ÷¹¹Ôì³ö¶ÔÓ¦ÓÚͼ£¨a£©µÄ×î¼òµ¥µÄ¶þ¶Ë¿ÚµÈЧµç·¡£
1?1?+U-S
1
+ui-??i1i2i1rR1+R1i2i3-?+rr-uoR1i3i4R1i4+?a-1ui(V)r
t(s)123450b
4.£¨15·Ö£©ÈçͼËùʾµç·£¬ÔÚ¿ª¹ØK±ÕºÏǰµç·ÒÑ´ïµ½ÎÈ̬£¬ÊÔÇó£ºt¡Ý0ʱµÄÏàÓ¦uc(t)
2?K+u118V4u1
5.£¨15·Ö£©µç·ÈçͼËùʾ£¬ÈôÔÚË«¿ÚÍøÂç×ó¶Ë¿Ú¼ÓÒ»µçѹԴus(t)¡£ Ç󣺣¨1£©ÍøÂ纯ÊýH?Uo(s)£» Ui(s)£¨2£©³å¼¤ÏìÓ¦uo(t)£»
£¨3£©µ±us(t)?3sint·üʱ£¬µç·µÄÕýÏÒÎÈ̬ÏìÓ¦uo(t)¡£
2
-+-2F+2A12?+uc--
?+2H3F4H3??+?6H2F1?uS(t)?-?1Huo(t)?-
6.£¨15·Ö£©ÈçͼËùʾΪÒÔÕýÐò¶Ô³ÆÈýÏàµç·£¬Í¼ÖÐÈýÏà¸ºÔØÃúÅÆÉϱê³ö£º¶î¶¨ÏßµçѹΪ¡£µ±µçÔ´µÄ½»ÆµÂÊ2203V£¬¶î¶¨Óй¦¹¦ÂÊΪ23.232kW£¬¶î¶¨¹¦ÂÊÒòÊýΪ0.8£¨¸ÐÐÔ£©
??100rads£¬µçÔ´µÄÏàµçѹEA?220?0?V£¬Ïß·×迹ΪZL?(1?j2)?£¬µçÔ´¶Ë¶ÔµØ
µçÈÝΪC0?2000?F£¬µçÔ´µÄÖÐÐÔµã½ÓµÄµç¸ÐΪLN?(503)mH¡£ Ç󣺣¨1£©ÈýÏà¸ºÔØµÄ²ÎÊý£» £¨2£©Ïß·ÉϵĵçÁ÷IA£¬IB¼°IC
£¨3£©Ç󵱿ª¹ØKµã±ÕºÏºó£¬Ïß·ÉϵÄÎȶ¨µçÁ÷IA£¬IB£¬ICÒÔ¼°½ÓµØµç¸ÐLNµÄµçÁ÷ILN
?????????+E??A-?IAABZLZLZLO+EB?-?IBICCKC0+?EC-ÈýÏà¸ºÔØILNLNC0C0
VΪֱÁ÷µçѹԴʱ£¬¹¦ÂʱíµÄ¶ÁÊýΪ400W£»½«7.£¨10·Ö£©ÈçͼËùʾµç·£¬µ±us(t)?100Ö±Á÷µçѹԴus(t)»»Îª·ÇÕýÏÒµçѹԴus(t)?(100?902sin?t)Vʱ£¬°²Åà±íµÄ¶ÁÊýΪ5A£¬¹¦ÂʱíµÄ¶ÁÊýΪ670W£»´ËʱÈô½«µç¸ÐL¶Ï¿ª£¬µçѹ±í¶ÁÊýΪ
R2£¬XL¼°XC1¡£
618000V£¬Çó²ÎÊýR1£¬61
3
?W?R1AuS(t)+-VXCR2XL
4
¹²·ÖÏí92ƪÏà¹ØÎĵµ