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廈門市泰尼電器有限公司
主營產品： AB模塊PLC |
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廈門市泰尼電器有限公司
主營產品： AB模塊PLC |
| 參考價 | 面議 |
一次側采用外橋式結線、二次側采用單母線分段的總降壓變電所主電路圖(下圖)，這種主結線，其一次側的高壓斷路器QF10也跨接在兩路電源進線之間，但處在線路斷路器QF11 和QF12的外側，靠近電源方向，因此稱為外橋式結線。這種主結線的運行靈活性也較好，供電可靠性同樣較高，適用于一、二級負荷的工廠。但與內橋式結線適用的場合有所不同。如果某臺變壓器例如T1停電檢修或發生故障時，則斷開QF11 ，投入QF10 （其兩側QS先合），使兩路電源進線又恢復并列運行。這種外橋式適用于電源線路較短而變電所負荷變動較大、適用經濟運行需經常切換的總降壓變電所。當一次電源電網采用環行結線時，也宜于采用這種結線，使環行電網的穿越功率不通過進線斷路器QF11 、QF12 ，這對改善線路斷路器的工作及其繼電保護的整定都極為有利。
廚師薛樂和齊彬：
“*夸咱做的產品！"
泰尼菜譜
★主食：AB，施耐德和GE 發那科
★四菜一湯：AB 1785、1756、1747、1784，施耐德140系列，發那科A06B系列，西門子6ES，505系列熱賣！
★餐后水果：泰尼現貨
：張亮
電 話：
手 機：
： 2314094943
1756-L71---1756-L71
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