ÌâÄ¿ÄÚÈÝ
ÈýÏ¿Ë®ÀûÊàŦ¹¤³ÌÊdz¤½Á÷ÓòÖÎÀí¿ª·¢µÄ¹Ø¼ü¹¤³Ì£¬½¨³Éºó½«ÊÇÖйú¹æÄ£×î´óµÄË®Àû¹¤³Ì.ÊàŦ¿ØÖÆÁ÷ÓòÃæ»ý1.0¡ÁÔĶÁÉÏÊö×ÊÁÏ£¬½â´ðÏÂÁÐÎÊÌ⣨ˮµÄÃܶȦÑ=1.0¡Á
£¨1£©ÈôÈýÏ¿µçÕ¾ÉÏ¡¢ÏÂÓÎˮλ²î°´H=
£¨2£©Èô26̨·¢µç»ú×éÈ«²¿½¨³É²¢·¢µç£¬Òª´ïµ½Äê·¢µçÁ¿µÄÒªÇó£¬Ã¿Ì¨·¢µç»ú×éƽ¾ùÄê·¢µçʱ¼ätΪ¶àÉÙÌ죿
£¨3£©½«¸ÃµçÕ¾µÄµçÄÜÊäË͵½»ªÖеØÇø£¬Ë͵繦ÂÊΪP=4.5¡Á106 kW£¬²ÉÓó¬¸ßѹÊäµç£¬ÊäµçµçѹΪU=500 kV£¬¶ø·¢µç»úÊä³öµÄµçѹԼΪU0=18 kV£¬ÒªÊ¹ÊäµçÏßÉÏËðºÄµÄ¹¦ÂʵÈÓÚÊäË͵繦ÂʵÄ5%.Ç󣺷¢µçÕ¾µÄÉýѹ±äѹÆ÷Ô¡¢¸±ÏßȦµÄÔÑÊý±ÈºÍÊäµçÏß·µÄ×ܵç×è.
£¨1£© 67.1% £¨2£©192.3Ì죨3£©9¡Ã250 2.78 ¦¸
½âÎö£º£¨1£©µçÕ¾ÄÜÁ¿×ª»¯Ð§ÂÊΪ
´úÈëÊý¾ÝµÃ£º¦Ç=67.1%.
£¨2£©¾ÝÓÐÌì¡Ö192.3Ìì.
£¨3£©Éýѹ±äѹÆ÷µÄÔÑÊý±ÈΪ£»
¾ÝP1=IUµÃI=9.0¡Á
ÓÉPËð=I2R=5%P1µÃR=2.78 ¦¸.
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿