ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ¼×ËùʾÊÇijµçÈÈÆ÷µÄ¹¤×÷ÔÀíͼ£¬R1¡¢R2ÊÇ·¢Èȵç×裬ÐéÏß¿òΪµçÈÈÆ÷µÄ½ðÊôÍâ¿Ç¡£ËüÓÃÒ»¸öÐýת¿ª¹Ø¿ÉÒÔʵÏÖµçÈÈÆ÷¶àµ²Î»¹¤×÷µÄÒªÇó¡£ÆäÖÐÐýת¿ª¹ØÄÚÓÐÒ»¿é¾øÔµÔ²ÅÌ£¬ÔÚÔ²Å̵Ä×ó±ßÔµÒÀ´ÎÓÐ4¸ö½ðÊô´¥µã¢Ù¡¢¢Ú¡¢¢Û¡¢¢Ü£¬ÓÒ±ßÔµÊÇÒ»¿é½ðÊô°å£¬¿ÉÈÆÖÐÐÄÖáת¶¯µÄ¿ª¹ØÐýÅ¥Á½¶Ë¸÷ÓÐÒ»¸ö½ðÊô»¬Æ¬£¬×ª¶¯¿ª¹ØÐýÅ¥¿ÉÒÔ½«×ó±ßÔµÏàÁÚµÄÁ½¸ö´¥µãÓëÓÒ±ßÔµµÄ½ðÊô°åͬʱÁ¬Í¨¡£ÈçÐýµ½Í¼ÖÐλÖÃSʱ£¬½ðÊô»¬Æ¬½«¢Ù¡¢¢ÚÁ½´¥µãͬʱÓëÓÒ±ßÔµ½ðÊô°å½Óͨ£º
(1)Èç¹ûÇëÄãΪÕą̂µçÈÈÆ÷Å䱸һ¸öÈý½Å²åÍ·£¬ÈçͼÒÒËùʾ£¬Ó¦¸Ã½«µç·ͼÖеĵØÏß½Óµ½²åÍ·µÄ________£¨Ìî¡°G¡±¡°L¡±»ò¡°N¡±£©½Å¡£Õý³£Çé¿öÏ£¬»ðÏߺÍÁãÏßÖ®¼äµÄµçѹΪ________ V£»
(2)СÃ÷ÏëÔÚµç·ÖмÓÒ»¸ö¡°Çãµ¹¿ª¹Ø¡±£¬Ê¹µçÈÈÆ÷±»Åöµ¹Ê±ÄÜ×Ô¶¯¶Ï¿ªµç·£¬ÒÔÃâÒýÆð»ðÔÖ¡£¸Ã¿ª¹Ø×îºÃÓ¦°²×°ÔÚʾÒâͼÖÐA¡¢B¡¢C¡¢D¡¢EÖеÄ________ µã´¦£»
(3)Èç¹ûR1£½R2£¬ÐýÅ¥¿ª¹ØÐýµ½Î»ÖÃSʱµÄµç¹¦ÂÊΪ1000 W£¬R1µÄ×èÖµÊÇ_______________£»
(4)µ±ÐýÅ¥¿ª¹ØÐýµ½Î»ÖÃTʱ£¬Í¨µç1min²úÉúµÄÈÈÁ¿ÊÇ___________________£»
(5)ijÖÖÏðƤ¾øÔµÍоµ¼ÏßÔÚ³£ÎÂÏ°²È«ÔØÁ÷Á¿£¨³¤Ê±¼äͨµçʱµÄ×î´ó°²È«µçÁ÷£©ÈçϱíËùʾ£¬Ñ¡ºá½ØÃæ»ýΪ______µÄÍоµ¼Ïß×÷Ϊ¸ÃµçÈÈÆ÷µÄÊä³öµ¼Ïߣ¬·ûºÏ¼ÈÊÊÓÃÓÖ¾¼ÃµÄÔÔò¡£
µ¼Ïß¹æ¸ñ | ||||
µ¼Ïߺá½ØÃæ»ýS/mm2 | 0.5 | 1 | 1.5 | 2.5 |
°²È«ÔØÁ÷Á¿I/A | 4 | 8 | 12 | 20 |
¡¾´ð°¸¡¿G 220 A 48.4¦¸ 3¡Á104J 1mm2
¡¾½âÎö¡¿
(1)[1]Èý½Ç²åÍ·½ÓÏßÔÔòΪ¡°×óÁãÓÒ»ðÉϽӵء±£¬ÔòÓ¦½«µç·ͼÖеĵØÏß½Óµ½²åÍ·µÄG½Å¡£
[2]ÔÚÎÒ¹ú£¬Õý³£Çé¿öÏ£¬¼ÒÍ¥µç·»ðÏߺÍÁãÏßÖ®¼äµÄµçѹΪ220V¡£
(2)[3]ÔÚµç·ÖмÓÒ»¸ö¡°Çãµ¹¿ª¹Ø¡±£¬Ê¹µçÈÈÆ÷±»Åöµ¹Ê±ÄÜ×Ô¶¯¶Ï¿ªµç·£¬ÎªÈ·±£°²È«£¬ÔòӦʹµçÈÈÆ÷Çãµ¹ºóÓë»ðÏ߶ϿªÁ¬½Ó£¬Ôò¡°Çãµ¹¿ª¹Ø¡±×îºÃ°²×°ÔÚʾÒâͼÖеÄAµã´¦¡£
(3)[4]ÐýÅ¥¿ª¹ØÐýµ½Î»ÖÃSʱ£¬µç×èR1¶Ì·£¬µç·ΪR2µÄ¼òµ¥µç·£¬ÔòÓÉ¿ÉÇóR2µç×èΪ
ÓÉÓÚR1ÓëR2×èÖµÏàµÈ£¬ÔòR1×èֵΪ48.4¦¸¡£
(4)[5]µ±ÐýÅ¥¿ª¹ØÐýµ½Î»ÖÃTʱ£¬µç·ΪR1ÓëR2´®Áªµç·£¬Ôòµç·×ܵç×èΪ
R×Ü= R1+R2=48.4¦¸+48.4¦¸=96.8¦¸
ÓÉÓÚΪ´¿µç×è·¢ÈÈ£¬Ôòͨµç1min²úÉúµÄÈÈÁ¿µÈÓÚÏûºÄµÄµçÄÜ£¬¼´
(5)[6]µ±ÐýÅ¥¿ª¹ØÐýµ½Î»ÖÃSʱ£¬µç·µç×è×îС£¬ÓÉÅ·Ä·¶¨ÂÉ¿ÉÖª£¬´ËʱµçÁ÷×î´ó£¬Îª
Ôò·ûºÏ¼ÈÊÊÓÃÓÖ¾¼ÃµÄÔÔò£¬Ó¦ÌôÑ¡ºá½ØÃæ»ýΪ1mm2µÄ͵¼Ïß×÷Ϊ¸ÃµçÈÈÆ÷µÄÊä³öµ¼Ïß¡£
¡¾ÌâÄ¿¡¿Í¬Ñ§ÃÇѧϰÁË¡°ÄÜÔ´Óë¿É³ÖÐø·¢Õ¹¡±µÄÄÚÈݺó£¬ÖªµÀÈȵçÕ¾¼ÈÄÜ·¢µç£¬ÓÖÄܹ©ÈÈ£¬Ëæ×ÅÈȵçÕ¾¼¼Êõ²»¶Ï¸üУ¬ÃºµÄȼÉճ̶ȱȴ«Í³»ðµçÕ¾¸ü³ä·Ö¡£ÎªÉîÈëÁ˽⣬ËûÃǶÔijÈȵçÕ¾½øÐе÷²é£¬»ñÈ¡ÐÅÏ¢ÈçÏ£º
¹¤×÷ʱ¼ä | ȼú | ·¢µç×ܹ¦ÂÊ | ·ÏÆø | |
¡Á¡ÁÈȵçÕ¾ | 24h | 4000t | 5¡Á105kW | ÏòÖܱ߾ÓÃñ¹©ÈÈ3.6¡Á1013J |
(1)¢Ù4200t úÍêȫȼÉշųö¶àÉÙÈÈÁ¿£¿
¢Ú24h ·¢µç¶àÉÙǧÍßʱ£¿£¨q ú=3 ¡Á107J/kg£©
(2)¸ÃÈȵçÕ¾µÄÄÜÁ¿ÀûÓÃÂÊÊǶàÉÙ£¿
(3)ÇëÄã½áºÏÒÔÉÏÐÅÏ¢£¬Ð´³öÌá¸ßÈȵçÕ¾ÄÜÁ¿ÀûÓÃÂʵķ½·¨¡£