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Power Supply

Updated 22,August 2000

Voltage of railways in HK

ªFÅK: 25000V AC 50Hz in single phrase

¦èÅK: 25000V AC 50 Hz in single phrase

¦aÅK: 1500V DC

¾÷ÅK: 1500V DC

»´ÅK: 750V DC

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ªºª½¬y¹q¤ñ¸û , ¥æ¬y¹qªº©Ò¯à¿é°eªº¹q¯à(electrical energy)¬Û¹ï¸û

¤Ö , ®Ú¾Ú Power=Voltage*current ¤½¦¡ , ±ý´£°ª¿é¹q®Ä²v(Efficiency) ,

·í¨Ï¥Î¥æ¬y¿é¹q®É¥²¶·±Ä¥Î¸û°ª¹qÀ£¡C¦P¼Ë , ·í±Ä¥Î°ª¹qÀ£¿é¹q®É

(­ì¦]½Ð°Ñ·Ó¤U¤å) , ¥²¶·±Ä¥Î¥æ¬y¹q¥HÁקK¦³¹L¤jªº¯à¶q³q¹L¹qÆl¡C

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The power network of MTR

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¿é¹qºôµ¸ , ¦ý¦aÅK¤]¦³¦Û¤vªº33000V¿é¹qºôµ¸ , ³e³q¾ã­Ó¦aÅK¨t

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The power network of Light Rail

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UPS

UPS (Uniterruptible Power Supplies) ¨ä¹ê¬O¤@­Ó¦w¸Ë¦b¨®¯¸ªþªñªº»W

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