ÌâÄ¿ÄÚÈÝ
ÔÚÓõç¸ß·åʱ£¬Ð¡Ã÷ºÍС·¼·¢ÏÖ¼ÒÖеĵƱ䰵ÁË£¬ËûÃÇÏë¿ÉÄÜÊǵÆÁ½¶ËµÄµçѹ±äµÍÁË£®ÎªÁ˲â³öµÆµÄʵ¼Êµçѹֵ£¬ËûÃǽ«¼ÒÖеÄÆäËûÓõçÆ÷¶¼¹Øµô£¬Ö»ÈÃÒ»Õµ¡°220V 1OOW¡±µÄµÆ¹¤×÷£®Ð¡Ã÷ÓÃÃë±í²âµÃµçÄܱíµÄ±íÅÌת¹ýnתËùÓõÄʱ¼äΪtÃ룬Ëã³öÆäʵ¼Êµç¹¦ÂÊ£¨µçÄܱí±íÅÌÉϱêÓÐNת/kwhµÄ×ÖÑù£©£®È»ºó¸ù¾ÝµÆÅݵĹæ¸ñ£¬Ëã³öµÆË¿µÄµç×裬×îºóÇó³ö¼ÓÔÚµÆÅÝÁ½¶ËµÄʵ¼ÊµçѹU1£»¶øС·¼Ôڵ繤µÄÖ¸µ¼ÏÂÓÃרÓõç±íÖ±½Ó²â³öÁ˵ÆÁ½¶ËµÄµçѹֵU2£®ÇëÄã°ïÖúËûÃǽâ¾öÏÂÁÐÎÊÌ⣺£¨1£©µÆÉϱêµÄ¡°220V¡±±íʾ
£¨2£©Ð´³öU1µÄ±í´ïʽ£»U1=
£¨3£©Í¨¹ý·ÖÎö¿ÉÖª£ºU1
·ÖÎö£º£¨1£©µÆÉϱêµÄ¡°220V¡±±íʾµÆÅݵĶµçѹ£¬ÒÑÖª¶î¶¨µçѹºÍ¶î¶¨¹¦ÂÊ£¬¸ù¾Ý¹«Ê½R=
¿ÉÇóµÆË¿µÄµç×裮
£¨2£©ÒÑÖªµçÄܱí±íÅÌÉϱêÓÐNת/kwhµÄ×ÖÑù£¬¿ÉÇóµçÄܱíתÅÌת¶¯nתÏûºÄµÄµçÄÜ£¬»¹ÖªµÀ¹¤×÷ʱ¼ä£¬¸ù¾Ý¹«Ê½P=
¿ÉÇóµÆÅݵÄʵ¼Ê¹¦ÂÊ£¬ÔÙÀûÓù«Ê½P=
Çó³öµÆÅÝÁ½¶ËµÄʵ¼Êµçѹ£®
£¨3£©U1µçѹֵ³ýÈ¥µÆÅÝÁ½¶ËµÄµçѹÒÔÍ⻹Óе¼ÏßÉϵĵçѹ£¬U2Ö±½Ó¾ÍÊǵÆÅÝÁ½¶ËµÄʵ¼Êµçѹ£®
U2 |
P |
£¨2£©ÒÑÖªµçÄܱí±íÅÌÉϱêÓÐNת/kwhµÄ×ÖÑù£¬¿ÉÇóµçÄܱíתÅÌת¶¯nתÏûºÄµÄµçÄÜ£¬»¹ÖªµÀ¹¤×÷ʱ¼ä£¬¸ù¾Ý¹«Ê½P=
W |
t |
U2 |
R |
£¨3£©U1µçѹֵ³ýÈ¥µÆÅÝÁ½¶ËµÄµçѹÒÔÍ⻹Óе¼ÏßÉϵĵçѹ£¬U2Ö±½Ó¾ÍÊǵÆÅÝÁ½¶ËµÄʵ¼Êµçѹ£®
½â´ð£º½â£º£¨1£©¡°220V¡±±íʾµÆÅݵĶµçѹ£¬µÆË¿µÄµç×èR=
=
=484¦¸£®
£¨2£©µÆÅÝÏûºÄµÄµçÄÜW=
¡Á3.6¡Á106J£¬µÆÅݵÄʵ¼Ê¹¦ÂÊPʵ=
=
W£¬
ËùÒÔµÆÅÝÁ½¶ËµÄʵ¼ÊµçѹU1=
=
=
V£®
£¨3£©U2ÊǵÆÅÝÁ½¶ËµÄʵ¼Êµçѹ£¬U1µÈÓÚµÆÅÝÁ½¶ËµÄʵ¼ÊµçѹÓëµ¼ÏßÉϵĵçѹ֮ºÍ£¬ËùÒÔU1£¾U2£®
¹Ê´ð°¸Îª£º£¨1£©µÆÅݵĶµçѹΪ220V£»484£»£¨2£©
£»£¨3£©£¾£®
U2 |
P |
(220V)2 |
100W |
£¨2£©µÆÅÝÏûºÄµÄµçÄÜW=
n |
N |
W |
t |
3600000n |
Nt |
ËùÒÔµÆÅÝÁ½¶ËµÄʵ¼ÊµçѹU1=
PʵR |
|
13200 |
Nt |
10nNt |
£¨3£©U2ÊǵÆÅÝÁ½¶ËµÄʵ¼Êµçѹ£¬U1µÈÓÚµÆÅÝÁ½¶ËµÄʵ¼ÊµçѹÓëµ¼ÏßÉϵĵçѹ֮ºÍ£¬ËùÒÔU1£¾U2£®
¹Ê´ð°¸Îª£º£¨1£©µÆÅݵĶµçѹΪ220V£»484£»£¨2£©
13200 |
Nt |
10nNt |
µãÆÀ£º±¾Ì⿼²éµç×è¡¢¹¦ÂÊ¡¢µçѹµÈµÄ¼ÆË㣬¹Ø¼üÊǹ«Ê½¼°Æä±äÐεÄÁé»îÔËÓã¬ÄѵãÊÇʵ¼Êµçѹ±í´ïʽµÄÍƵ¼£¬ÒªÀí½âµçÄܱíµÄ¸÷¸ö²ÎÊýµÄÎïÀíÒâÒåºÍµÆÅÝÃúÅÆÉÏÊý×ÖµÄÎïÀíÒâÒ壮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿