ʵÓñê×¼Îĵµ
10kVµç¸ËУÑé¼ÆËã˵Ã÷Êé
Ò»¡¢¹¤³Ì¸Å¿ö
±¾¹¤³ÌΪ10kV 3»Ø¼Ü¿ÕµçÁ¦Ïß·¹¤³Ì£¬²ÉÓõ¥¸ËÖ±Ïßµç¸Ë£¬µç¸Ë¸ß¶È15m£¬ÓÉÉÏÏÂÁ½½Ú×é³É£¬ÉÏÃæÒ»½Ú³¤9m£¬ÏÂÃæÒ»½Ú³¤Îª6m£¬ÂñÉî2m£¬µ¼Ïß²ÉÓÃJKLGYJ-185/10ÐÍ£¬µµ¾àΪ70m£¬Ö÷¸Ë¶¥¾¶ÎªD0?190mm£¬µ×¾¶ÎªDH?390mm,±ÚºñΪ50mm¡£¸ËÖù»ìÄýÍÁΪC30¼¶£¬¸Ö½î²ÉÓÃ?12µÄ¢ñ¼¶¹âÔ²¸Ö½î¡£
¶þ¡¢½á¹¹¼ÆËãÒÀ¾Ý
£¨1£©¡¶Êäµç¸ËËþ¼°»ù´¡Éè¼Æ¡·£¨³ÂÏéºÍ¡¢ÁõÔÚ¹ú£© £¨2£©¡¶¼Ü¿ÕÊäµçÏß·Éè¼Æ¡·£¨ÃÏËìÃñ¡¢¿×ࣩ £¨3£©¡¶66kV¼°ÒÔϼܿյçÁ¦Ïß·Éè¼Æ¹æ·¶¡·£¨GB50061-2010£©
Èý¡¢½á¹¹ºÉÔØÈ¡Öµ
1. µ¼ÏߵļÆËã²ÎÊý
2
JKLGYJ-185/10Ð͵¼ÏߵĽØÃæÃæ»ý£º210.93mm£¬µ¥Î»ÖÊÁ¿ 1016.37kg/km
?32. µ¼ÏßÎÞ±ù·çѹ×ۺϱÈÔØ£º?1d?47.2?10MPa/m£» ?33. µ¼Ïß´¹Ö±×ۺϱÈÔØ£º?4d?92.47?10MPa/m£»
ËÄ¡¢½á¹¹¾²Á¦¼ÆËã·ÖÎö
1¡¢ºÉÔØ·ÖÎö
£¨1£©ÔËÐÐÇé¿ö£ºÖ±Ï߸ËËþµÚÒ»ÖÖºÉÔØ×éºÏÇé¿öΪ×î´óÉè¼Æ·çËÙ¡¢ÎÞ±ù¡¢Î´¶ÏÏß¡£ a¡¢µ¼ÏßÖØÁ¦£º
-3 GD??1DADL?47.2?10?210.93?70?696.9N
b¡¢µ¼Ïß·çѹ£º
?3 PD??4DADL?92.47?10?210.93?70?1365.3N
(2) ¶ÏÏßÇé¿ö£º¶ÏÒ»¸ùµ¼ÏߵĺÉÔØ×éºÏÇé¿öΪÎÞ±ù¡¢ÎÞ·ç¡£ µ¼ÏßÖØÁ¦£º
δ¶Ïµ¼ÏßÏࣺ ?s=0.7 ¶ÏÉϵ¼ÏßÏࣺ GD?'?1DADL2?348.45N
¶ÏÏßÕÅÁ¦£ºJKLGYJ-185/10Ð͵¼Ïß¼ÆËãÀ¶ÏÁ¦Îª TP?45020N, ¹Êµ¼Ïß×î´óʹÓÃÕÅÁ¦Îª Tmax?TP45020??18008N K2.5µ¼Ïß×î´óʹÓÃÕÅÁ¦°Ù·Ö±ÈΪ35£¥£¬Ôò TD?Tmax?35%?18008?0.35?6302.8N
£¨3£©°²×°Çé¿ö¢ñ£ºÆðµõÉϵ¼Ïߣ¬ºÉÔØ×éºÏÇé¿öΪÓÐÏàÓ¦·ç£¬ÎÞ±ù¡£
ÎÄ°¸´óÈ«
ʵÓñê×¼Îĵµ
µ¼ÏßÖØÁ¦£º GD?696.9N
ADL?8.892?10?3?210.93?70?131.3N µ¼Ïß·çѹ£º PD£¨10£©??4D£¨10£©¹ÒÉϵ¼Ïßʱ£¬µ¼ÏßÔ½¹ýϺᵣÐëÏòÍâÀ¿ª£¬ÆäÀÁ¦Ïºᵣ¼äµ¼ÏßˮƽÀ¿ª1.3m¡£
T2ÓëˮƽÏߵļнÇΪ20¡ã£¬²¢¼ÙÉèÉÏ
?x?0£¬Ôò
1.31.32?0.92T1?T2cos20¡ã£¬ µÃ
T1?1.14T2
?y=0£¬Ôò
0.91.32?0.92µÃ T1?T1?GD?T2sin20¡ã
1.58?(696.9?0.342T2)?1223.4?0.6T2 0.9ÁªÁ¢ÉÏÃæÁ½Ê½¿ÉµÃT2?2265.6N, T1?1.14T2?1.14?2265.6?2582.7N
T1ÒýÆðµÄ´¹Ö±ºÉÔØ
GT1ºÍºáÏòºÉÔØ
PT1Ϊ£º
0.9?1471.2N 1.581.3 P?2582.7??2125N T11.58 GT1?2582.7??G?K(G?P?KPT1D?GT1)?GF?200?1.1?(696.9?1471.2)?300?200?2884.9N
?PD£¨10£©?1.1?2125?131.3?2468.8N
£¨4£©°²×°Çé¿ö¢ò£ºÆðµõϵ¼Ïß¡£
ÕýÔÚÆðµõϵ¼ÏßʱϺᵣ´¦µÄ×ÜÖØÁ¦Îª£º
?G?KGD?GF?200?1.1?696.9?300?200?1266.6N
£¨5£©¸ËÉí·çѹ¼ÆËã
¸ù¾ÝÒÑÖªÌõ¼þ£º·çѹ¸ß¶È±ä»¯ÏµÊýÈ¡?z=1,¹¹¼þÌåÐÎϵÊýÈ¡?s=0.7£¬¸ËËþ·çºÉÔص÷ÕûϵÊýÈ¡?z=1¡£
1£©Õý³£Çé¿ö´ó·çʱ
ÉϺᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
D1?0.2310.231?(DH?D0)?D0??(390?190)?190?193.1mm 1515ÎÄ°¸´óÈ«
ʵÓñê×¼Îĵµ
0.19?0.193302P01??z?s?zAfW0?1.0?0.7?1???75.4N/m
21.6Öкᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
D2?1.11.1?(DH?D0)?D0??(390?190)?190?204.7mm 15150.193?0.205302P02??z?s?zAfW0?1.0?0.7?1???78.4N/m
21.6Ϻᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
D3?2.912.91?(DH?D0)?D0??(390?190)?190?228.8mm 15150.205?0.229302P03??z?s?zAfW0?1.0?0.7?1.0???85.4N/m
21.6µç¸Ë½ÓÍ·´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
D4?99?(DH?D0)?D0??(390?190)?190?310mm 15150.229?0.31302P04??z?s?zAfW0?1.0?0.7?1???106.1N/m
21.6µØÃæ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
D5?1313?(DH?D0)?D0??(390?190)?190?363.3mm 15150.31?0.363302P05??z?s?zAfW0?1.0?0.7?1???132.5N/m
21.62£©°²×°Çé¿ö
ÉϺᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
0.19?0.193102P??z?s?zAfW0?1.0?0.7?1???8.4N/m
21.6'01Öкᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
0.193?0.205102P02??z?s?zAfW0?1.0?0.7?1???8.7N/m
21.6'Ϻᵣ´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
0.205?0.229102P03??z?s?zAfW0?1.0?0.7?1???9.5N/m
21.6'µç¸Ë½ÓÍ·´¦µ¥Î»³¤¶È¸ËÉí·çѹΪ£º
0.229?0.31102P04??z?s?zAfW0?1.0?0.7?1???11.8N/m
21.6'ÎÄ°¸´óÈ«