母線槽及彈簧支架的固定原理
母線槽垂直安裝母線槽垂直安裝時,接頭距地面垂直距離不應小于0.7M,接頭距樓板地面垂直距離不應小于0.3M,母線槽背面距墻邊距離不應小于0.1M。
When the busbar is installed vertically, the vertical distance between the joint and the ground shall not be less than 0.7M. The vertical distance between the joint and the floor should not be less than 0.3M. The distance between the back of the busbar and the wall should not be less than 0.1M.
母線槽在樓層間垂直安裝時,母線槽單根直線長度不應大于3.6M;單層超過3.6M的樓層,應分兩節(jié)以上制作,層間應安裝中間固定支架。母線槽連接點不應在穿樓板處進行,母線槽安裝穿樓板孔時不應有污水、雜物進入母線內部。
When the busbar is installed vertically between floors, the single line length of busbar should not be greater than 3.6M. The floor with a single floor over 3.6M should be made for more than two sections, and the intermediate support should be installed between the floors. The connection point of the busbar slot should not be carried out at the floor of the floor, and there should be no sewage and sundries entering the busbar when the busbar slot is installed through the floor.
母線槽插接饋電孔應設在可靠及安裝維修方便位置。插接箱安裝后,箱底高度不應低于0.9M母線槽垂直安裝時,應將彈簧支架安裝于母線槽上,再將母線槽及彈簧支架固定于槽鋼固定架上,鎖緊支架的彈簧螺母;待安裝4~5層后,由上向下逐層松開螺母,使母線槽重量自然承載于支架彈簧上。
The feed hole in the busbar slot should be located in the safe and reliable position of the installation and maintenance. The connection box is installed, the height should not be lower than the 0.9M busbar vertical installation, should be installed on the busbar on the spring bracket, then the busbar and spring bracket is fixed on the fixed channel frame, spring nut locking bracket; to install the 4~5 layer after layer by layer from top to bottom, loosen the nuts, the bus weight bearing on the natural groove on the spring bracket.
母線槽的過渡連接母線槽始端與配電柜接線端連接,應采用鍍錫硬銅排過渡連接母線槽始端與變壓器、發(fā)電機組等震動較大的設備連接時,應采用銅編軟連接。銅母排與鋁導體連接時,應采用銅鋁過渡排或夾裝銅鋁過渡片。
The transitional busbar busbar connection end and switchboard terminal connection, should connect busbar end connected with transformers, generators and other equipment with larger shock transition hard copper tin, copper series should adopt flexible connection. Copper bar and aluminum conductor connection, the copper aluminum transition row or clamping piece of copper aluminum transition.
母線槽運行中,應不間斷查看整條系統(tǒng)的四周是否存在滲漏、噴水、潛在的潮氣源。是否存在對系統(tǒng)構成威脅的重物,以及對母線槽系統(tǒng)溫升構成影響的熱源。檢查有無異物進入母線槽內部。
In the operation of the busbar slot, it should be uninterrupted to see if there is leakage, water spray and potential tidal source around the whole system. Whether there is a heavy object that poses a threat to the system, as well as the heat source that affects the temperature rise of the busbar system. Check whether there is a foreign body into the busbar slot.
檢查母線槽系統(tǒng)零部件有無缺損、銹蝕現(xiàn)象,支架彈簧是否有合適的彈力,發(fā)現(xiàn)問題后立即更換。母線槽長期運行時每年定期檢測一次接頭溫升,接頭溫升應按照GB7251標準不超過70K為合格(環(huán)境溫度為40℃)。
Check whether the parts of the busbar slot system have defects and rust, whether the support spring has the appropriate elastic force, and replace it immediately after the problem is found. The joint temperature rises regularly every year when the busbar slot is run. The temperature rise of the joint should be qualified in accordance with the GB7251 standard not more than 70K (the ambient temperature is 40).
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