關(guān)閉式母線和母線橋之間的所屬關(guān)系
The effect of brushing on the bridge of the Shandong cable bridge: insulation, corrosion protection, heat dissipation and phase marking. The belt type bus bar and the closed plug-in busbar are in fact a closed one and not closed. The closed type bus is referred to as the bus slot, that is to say, the bus bar is the waistcoat of the closed type bus, and the closing type bus and the bus slot refer to the same thing. The closed bus is a bus system composed of metal plates (steel plates or aluminum panels) for the maintenance of housings, conductive rows, insulation materials, and related accessories.
它可制成每隔一段距離設(shè)有插接分線盒的插接型關(guān)閉母線，也可制成中心不帶分線盒的饋電型關(guān)閉式母線。是將主母線選用金屬外殼關(guān)閉的母線。
The utility model can be made into a plug type closing bus with an inserting and distributing box at intervals, and can also be used as a feeding type closing type bus without a distributing box in the center. Is the bus with bus closed metal shell.
母線橋又稱橋式接線，用跨接斷路器BCD把兩條電源引進(jìn)線與兩臺變壓器聯(lián)系起來的主接線。
The bus bridge is also called bridge connection. The main connection between the two power lines and the two transformers is connected by the jumper breaker BCD.
較分段單母線接線簡化，削減了斷路器的數(shù)量。依據(jù)跨接橋斷路器的方位不一樣，分為內(nèi)接線橋和外接線橋。其間內(nèi)接線橋適用于線路較長，負(fù)荷曲線對比平穩(wěn)的變電方位;外接線橋則適用于線路較短，負(fù)荷曲線改動較大的變電方位。
The single bus connection is simplified and the number of circuit breakers is reduced. According to the different directions of the bridge breaker, it is divided into the inner line bridge and the outer connection bridge. In the meantime, the connection bridge is suitable for the substation with long line and stable load curve, and the outer connection bridge is suitable for the substation with shorter line and larger load curve.
關(guān)閉式母線可分為密集型絕緣母線和空氣型絕緣母線，適用于額外作業(yè)電壓660V、額外作業(yè)電流250～2500A.頻率50Hz的三相四線制或三相五線制供配電線路，它具有計劃緊湊、絕緣強(qiáng)度高、傳輸電流大、交流功用好、電氣功用安穩(wěn)、易于設(shè)備修補(bǔ)、壽數(shù)時間長等一系列特征。
The closed bus can be divided into intensive insulated bus and air insulation bus, suitable for extra work extra work voltage of 660V, current of 250 ~ 2500A. frequency 50Hz three-phase four wire or three-phase five wire power supply line, it has plans for compact, high dielectric strength, large current, AC transmission function, good electrical function safe and easy to repair equipment, life long time a series of features.
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