雅虎香港 搜尋

搜尋結果

1. www.discuss.com.hk › viewthread高手賜教(bus bar and bus duct) - 工程 Engineering - 香港討論 ...

   www.discuss.com.hk › viewthread

   2009年11月6日 · 我諗除左housing project, 冇人會用busbar trunking 嚟做rising main． 有錢就busduct，冇錢就single core cable 上樓埋link box．

2. zh.wikipedia.org › zh-tw › 母线_(电力)匯流排 (電力) - 維基百科，自由的百科全書

   zh.wikipedia.org › zh-tw › 母线_(电力)

   • 網頁紀錄

   在 電力系統 中， 匯流排 是指在輸配電系統中，配電盤、配電箱、 變電站 等使用的導電的 銅 線或 鋁 線，用以連接同一電壓的線路。 匯流排的橫截面積決定了能安全通過的電流的大小。 儘管匯流排最小可以只有10平方毫米的橫截面積，但是變電站一般會使用直徑50毫米，甚至更粗的金屬棒作為匯流排（橫截面積約1963平方毫米）。 鋁電解廠通常會使用極大的匯流排以允許數萬安培的電流通過 電化電池 以從熔融態鋁鹽中電解出鋁。 通常匯流排會選擇做成中空圓柱體或是薄片以允許熱量迅速散發。 由於 集膚效應，超過8毫米厚的母片在50~60 Hz交流電下利用效率會變低。 相關條目. [編輯] 總線：其英文也是bus. 匯流排槽. 參考資料. [編輯] Walter A. Elmore.

3. 圖片

   • 
   • 
   • 
   • 

   查看全部

4. www.clp.com.hk › content › damGUIDE TO SUPPLY AND METERING ARRANGEMENT ON CUSTOMER’S ...

   www.clp.com.hk › content › dam

   6.3 Where busbar type rising mains are used, suitable facilities shall be provided to take up the expansion or contraction of the busbar system under normal service condition.

   • 檔案大小: 2MB

   • 頁面計數: 26

5. assets.new.siemens.com › siemens › assetsSIVACON 8PS BUSBAR TRUNKING SYSTEMS Energy and data - Siemens

   assets.new.siemens.com › siemens › assets

   Powerful, flexible, cost-efficient, and sustainable, SIVACON 8PS busbar trunking systems are ready for tomorrow’s tasks today and enable you to raise your power distribution to a new level of performance.

6. www.se.com › uk › enBusbar Systems & Electrical Trunking | Schneider Electric UK

   www.se.com › uk › en

   • 網頁紀錄

   Design a flexible and efficient power distribution system with Schneider Electric UK's innovative busbar systems. Explore Canalis busbars for a modular approach to electrical distribution.

7. 影片

   • 

     6:26

     youtube.com

     Vertical busbar installation in Electrical riser

     2021年10月8日

     觀看次數：4609

   • 

     6:30

     youtube.com

     Vertical Busbar Installation Animation | EAE Elektrik

     2021年7月9日

     觀看次數：4.3萬

   • 

     0:56

     youtube.com

     Copper Busbar|Aluminum Busbar|Flexble Bus Bar - RHI ELECTRIC

     2020年12月28日

     觀看次數：1752

   查看全部

8. www.beama.org.uk › static › uploadedGuide to Low Voltage Busbar Trunking Systems Verified to BS ...

   www.beama.org.uk › static › uploaded

   Busbar Trunking Phase Transposition Unit [phase transposition BTU]: A busbar trunking unit which changes the relative positions of the phase conductors within the enclosure to balance inductive reactance or to facilitate connection between items of fixed equipment.

9. rrglobal.com › ae › rr-busduct-busbar-riser-systemsElectrical Busbar System | Busbar Riser Systems | RR Global UAE

   rrglobal.com › ae › rr-busduct-busbar-riser-systems

   • 網頁紀錄

   RR Busbar riser is designed according to structure of building. They offer the finest electrical busbar system in UAE.

10. 其他人也問了

    What is RR busbar riser?

    • Busbar riser is designed according to structure of building, it required less space compare to cable. RR Busbar riser is designed according to structure of building. They offer the finest electrical busbar system in UAE.

    Electrical Busbar System | Busbar Riser Systems | RR Global UAE

    rrglobal.com/ae/rr-busduct-busbar-riser-systems

    查看此問題的所有搜尋結果

    What is a busbar system?

    • Busbars (also known as busbar systems) are designed keeping in mind a modular approach, where rather than standard cables wired to individual electrical devices – the wirings of the electricals are mounted on an adapter that is directly connected to busbar with live current.

    Busbar Systems & Electrical Trunking | Schneider Electric UK

    www.se.com/uk/en/product-subcategory/1310-power-busbar/

    查看此問題的所有搜尋結果

    Which busbar trunking system is best for a Home Improvement Center?

    • Distributing power requires suitably flexible and robust systems. The LD, LI, BD2, and BD01 busbar trunking systems are the ideal solution. Home improvement centers sell products that are easily ignitable. The LI, BD2, and BD01 busbar trunking systems are the best choice in this setting thanks to their high level of safety and low fire load.

    SIVACON 8PS BUSBAR TRUNKING SYSTEMS Energy and data - Siemens

    assets.new.siemens.com/siemens/assets/api/uuid:12a1aee3-0f28-4742-867f-4be5bb590591/SIVACON-8PS-busbar-trunking-systems-EN-Online.pdf

    查看此問題的所有搜尋結果

    What is a busbar trunking unit?

    • A busbar trunking unit intended to prevent the propagation of fire through a wall or floor, for a specified time. A location on a busbar trunking unit, which permits the connection of external loads to the busbar system via the appropriate tap-off unit. An outgoing unit for tapping off power from a busbar trunking system. (see section 1.3).

    Guide to Low Voltage Busbar Trunking Systems Verified to BS EN ... - BE…

    www.beama.org.uk/static/uploaded/3e6b563b-de43-4a52-aecfa5f1f5da7131.pdf

    查看此問題的所有搜尋結果

    How is power taken from busbar trunking?

    • Power is taken from busbar trunking by the use of tap off units which connect at defined positions along the busbar trunking, and allow power to be taken from the system, usually via a suitable overcurrent protective device.

    Guide to Low Voltage Busbar Trunking Systems Verified to BS EN ... - BE…

    www.beama.org.uk/static/uploaded/3e6b563b-de43-4a52-aecfa5f1f5da7131.pdf

    查看此問題的所有搜尋結果

    Do I need a fire barrier for a busbar trunking system?

    • It may be necessary to install sections of fire barrier at the stage of installation of the trunking if access afterwards is impossible e.g. trunking runs in close proximity. The protective earth connection(s) external to the busbar trunking system shall conform to Section 543-1 of BS 7671:2008 (2011).

    Guide to Low Voltage Busbar Trunking Systems Verified to BS EN ... - BE…

    www.beama.org.uk/static/uploaded/3e6b563b-de43-4a52-aecfa5f1f5da7131.pdf

    查看此問題的所有搜尋結果