34056¡¶µç»úÓëÍ϶¯»ù´¡£¨µÚ2°æ£©¡·ÌÀÌìºÆ£¨Ï°Ìâ½â´ð£© ÏÂÔر¾ÎÄ

ʵÓÃÎĵµ

' R2?k2R2?3.372?0.15?1.70(¦¸)

' X2?k2X2?3.372?0.964?10.95(¦¸)

' Rk?R1?R2?2.19?1.70?3.89(?)

' Xk?X1?X2?15.4?10.95?26.35(?)

Zk?Rk?jXk?3.89?j26.35?26.64?81.6?(?)

''&& ÒÔU2Ϊ²Î¿¼ÏòÁ¿£¬ÉèU2?6000?3.37?0??20220?0?(V)

&180??36.87?I'& I2?2??53.41?-36.87?(A)

k3.37'&??I& I143.13?(A) 12??53.41?-36.87??53.41?'&??U&&U12?I1Zk

??20220?0??(-53.41?-36.87??26.64?81.6?)?-20220-1422.84?44.72???21254.59?2.7?(V)

5-12 һ̨µ¥Ïà±äѹÆ÷£¬SN?1000kV?A£¬U1N/U2N?60kV/6.3kV£¬f1?50Hz£¬¿ÕÔؼ°¶Ì·

ÊÔÑéµÄ½á¹ûÈçÏ£¨25¡æʱ£©£º

ÊÔÑéÃû³Æ ¿ÕÔØ ¶Ì· ÊÔ¼ÆË㣺

£¨1£©¹éËãµ½¸ßѹ²àµÄ²ÎÊý£»

£¨2£©ÂúÔؼ°cos?2?0.8£¨Öͺó£©Ê±µÄµçѹµ÷ÕûÂÊ?U%¼°Ð§ÂÊ?£» £¨3£©×î´óЧÂÊ?max¡£ ½â£º

µçѹ/V 6300 3240 µçÁ÷/A 10.1 16.67 ¹¦ÂÊ/W 5000 14000 µçÔ´¼ÓÔÚ µÍѹ²à ¸ßѹ²à ±ê×¼

ʵÓÃÎĵµ

£¨1£©¹éËãµ½¸ßѹ²àµÄ²ÎÊý

I1N/I2N?16.67A/158.73A k?U1N60??9.52 U2N6.3 ÓÉ¿ÕÔØÊÔÑéÊý¾Ý£¬ÏÈÇóµÍѹ²àµÄÀø´Å²ÎÊý Zf?Z0?'U26300??623.76(¦¸) I010.1 Rf?''¦¤pFeP05000?2??49.01(¦¸) 22I0I010.1 Xf?Zf'2?Rf'2?623.762?49.012?621.83(¦¸)

ÕÛËãµ½¸ßѹ²àµÄÀø´Å²ÎÊýΪ

2'2 Zf?kZf?9.52?623.76?56531.6(¦¸) 2'2 Rf?kRf?9.52?49.01?4441.8(¦¸) 2'2 Xf?kXf?9.52?621.83?56356.7(¦¸)

ÓɶÌ·ÊÔÑéÊý¾Ý£¬¼ÆËã¸ßѹ²àÊÒÎÂϵĶÌ·²ÎÊý Zsh?Ush3240??194.36(¦¸) Ish16.67¦¤pCuPsh14000?2??50.38(¦¸) 2IshI1N16.67222Zsh?Rsh?194.362?50.382?187.72(¦¸)

Rsh? Xsh?o »»Ëãµ½»ù×¼¹¤×÷ζÈ75CʱµÄÊýÖµ

Rsh75oC? Zsh75oC?234.5?75234.5?75Rsh??50.38?60.1(¦¸)

234.5??234.5?252222Rsh75?X?60.1?187.72?197.1(¦¸) oshC ¶î¶¨¶Ì·ËðºÄΪ

P?I1NRsh75oC?16.67?60.1?16701.1(W) shN75oC ¶Ì·µçѹ£¨×迹µçѹ£©Îª

22±ê×¼

ʵÓÃÎĵµ

UshN75oC?I1N?Zsh75oC?16.67?197.1?3285.66(V) ush?UshN75oCU1N?100%?3285.66?100%?5.48%

60000 £¨2£©ÂúÔØ£¨??1£©¼°cos?2?0.8£¨Öͺó£©Ê±

¦¤U%??

I1N(Rsh75oCcos?2?Xshsin?2)?100%U1N16.67?(60.1?0.8?187.72?0.6)?100%

60000?4.47%? U2?(1?¦¤U)U2N?(1?4.47%)?6.3?6.02(kV)

??(1?

P0??2PshN75oC?SNcos?2?P0??PshN75Co2)?100P00?16701.1)?100% 31000?10?0.8?5000?16701.1?97.4%?(1?P0PshN75oC?5000?0.55ʱ

16701.1 £¨3£©µ±???m????max?(1?

2P0)?100%?SNcos?2?2P02?5000)?100% 30.55?1000?10?0.8?2?5000?97.8%?(1?

5-13 ÓÐÒ»ÈýÏàÂÁÏß±äѹÆ÷£¬ÒÑÖªSN?750kV?A£¬U1N/U2N?10000V/400V£¬Yy0 Áª½á£¬¿Õ

Ôؼ°¶Ì·ÊÔÑéÊý£¨20¡æ£©ÈçÏ£º

ÊÔÑéÃû³Æ ¿ÕÔØ ¶Ì· ÊÔ¼ÆË㣺

£¨1£©¹éËãµ½¸ßѹ²àµÄ²ÎÊý£»

£¨2£©ÂúÔؼ°cos?2?0.8£¨Öͺó£©Ê±µÄ?U%¡¢U2¼°?£»

µçѹ/V 400 440 µçÁ÷/A 60 43.3 ¹¦ÂÊ/W 3800 10900 µçÔ´¼ÓÔÚ µÍѹ²à ¸ßѹ²à ±ê×¼

ʵÓÃÎĵµ

£¨3£©×î´óЧÂÊ?max¡£

½â£º

£¨1£©¹éËãµ½¸ßѹ²àµÄ²ÎÊý

I1N/I2N?43.3A/1082.6A k?U1N10000??25 U2N400 ÓÉ¿ÕÔØÊÔÑéÊý¾Ý£¬ÏÈÇóµÍѹ²àµÄÀø´Å²ÎÊý Zf?Z0?'U2400??3.85(¦¸) I03?60 Rf?''¦¤pFeP03800???0.35(¦¸) I02I023?602 Xf?Zf'2?Rf'2?3.852?0.352?3.83(¦¸)

ÕÛËãµ½¸ßѹ²àµÄÀø´Å²ÎÊýΪ

2'2 Zf?kZf?25?3.85?2406.25(¦¸) 2'2 Rf?kRf?25?0.35?218.75(¦¸) 2'2 Xf?kXf?25?3.83?2393.75(¦¸)

ÓɶÌ·ÊÔÑéÊý¾Ý£¬¼ÆËã¸ßѹ²àÊÒÎÂϵĶÌ·²ÎÊý Zsh?Ush440??5.87(¦¸) Ish3?43.3¦¤pCuPsh10900???1.94(¦¸) 222IshI1N3?43.322Zsh?Rsh?5.872?1.942?5.54(¦¸)

Rsh? Xsh?o »»Ëãµ½»ù×¼¹¤×÷ζÈ75CʱµÄÊýÖµ

Rsh75oC? Zsh75oC?228?75228?75Rsh??1.94?2.37(¦¸)

228??228?202222Rsh75?X?2.37?5.54?6.03(¦¸) oshC ¶î¶¨¶Ì·ËðºÄΪ

±ê×¼