ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ð¢Ë³µÄ·¼·¼ÎªÁËÈÃÄÌÄÌÔÚ¶¬Ìì·½±ãȡů£®ËýÓÃ×Ô¼ºµÄÁãÓÃǮΪÀÏÈ˼ÒÂòÁ˸ö¿¾»ðÓÃµÄ µçÈÈÏ䣬µçÈÈÏäµÄ¹æ¸ñÈç±í£®Çó£º
¶î¶¨µçѹ£¨V£© | 220 |
¶î¶¨¹¦ÂÊ£¨W£© | 440 |
ƵÂÊ£¨Hz£© | 50 |
£¨1£©µçÈÈÏäÄÚ·¢ÈÈË¿µÄµç×裮
£¨2£©Õý³£¹¤×÷ 0.5h£¬µçÈÈÏäÏûºÄµÄµçÄÜ£®
£¨3£©Ò»Ì죬·¼·¼¶Ï¿ª¼ÒÖÐÆäËûËùÓÐÓõçÆ÷£¬Ö»½ÓͨµçÈÈÏ䣬·¢ÏÖ¼ÒÖÐÈçͼËùʾµÄµçÄܱí±íÅÌÔÚ5min ÄÚתÁË 100 Ȧ£¬µçÈÈÏäµÄʵ¼Ê¹¦ÂÊÊǶàÉÙ£¿
¡¾´ð°¸¡¿
£¨1£©½â£ºÓÉP=UI£¬I= ¿ÉµÃµçÈÈÏäÄÚ·¢ÈÈË¿µÄµç×裺
R= =
=110¦¸
£¨2£©½â£ºÓÉP= ¿ÉµÃ£¬µçÈÈÏäÏûºÄµÄµçÄÜ£º
W=P¶ît=440W¡Á0.5¡Á3600s=7.92¡Á105J
£¨3£©½â£ºWʵ= kWh¡Á100=
kWh£¬
t1= h=
h£¬
Pʵ= =
=0.4kW=400W
¡¾½âÎö¡¿£¨1£©ÒÑÖª·¢ÈÈË¿µÄ¶î¶¨¹¦ÂʺͶµçѹ£¬ÀûÓÃP= ¿ÉÇóµÃµçÈÈÏäÄÚ·¢ÈÈË¿µÄµç×裮£¨2£©ÒÑÖªÕý³£¹¤×÷ 0.5h£¬ÀûÓÃW=Pt¿ÉÇóµÃµçÈÈÏäÏûºÄµÄµçÄÜ£®£¨3£©ÏÈÀûÓñíÅÌÉϵIJÎÊý3000r/kWh£¬Çó³öµçÈÈÏäµÄµçÄÜ£¬ÖªµÀ×ö¹¦Ê±¼ä£¬ÔÙÓù«Ê½P=
Çó³öµçÈÈÏäµÄ¹¦ÂÊ£»
![](http://thumb2018.1010pic.com/images/loading.gif)