母線槽系統的組成單元
母線槽系統的組成單元
膨脹節 Expansion unit
膨脹節用于考慮整列母線槽長期工作所引起的熱膨脹影響。當直線長度比較長(如80m以上),可在50-60m處設置一節。
Considering thermal expansion of whole bus duct line during logterm operation.When the liear length of bus duct is longer(as above80m),one this unit may be set on position between 50-60m.