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Nov 26, 2014 at 10:44 history edited Stewie Griffin
Included relevant tags
Mar 18, 2014 at 23:48 answer added Taraz timeline score: 0
Feb 4, 2014 at 15:44 answer added jbuda54 timeline score: 4
Jan 17, 2014 at 14:23 vote accept Stewie Griffin
Jan 11, 2014 at 21:28 answer added electrical timeline score: 2
Jan 10, 2014 at 15:14 comment added Li-aung Yip Some kind of sealing gland, pressure seal, or gasket?
Jan 10, 2014 at 15:11 comment added user16324 If the "steam boiler" is a pressure vessel, then "cable in a duct" might be an important feature.
Jan 10, 2014 at 14:38 history tweeted twitter.com/#!/StackElectronix/status/421652269986480129
Jan 10, 2014 at 14:30 comment added Li-aung Yip @DaveTweed : Possibly "cable in a duct", though we don't usually bother to show such installation details on a single-line diagram unless it's important to the design. I might alternatively believe it's an inductive choke for fault current limitation; though, there's a dedicated symbol for inductive chokes ("reactors") and you'd not usually see them on LV (690V) so I rate this unlikely.
Jan 10, 2014 at 14:27 comment added Dave Tweed OK, fair enough. How about an underground transmission line?
Jan 10, 2014 at 14:20 comment added Li-aung Yip @DaveTweed: Actually, the transformer is the conjoined-circles symbol. (Triangle on top indicates delta primary, and star-symbol on bottom indicates wye secondary. The resistor joined to the LV winding is a neutral earthing resistor for the transformer.)
Jan 10, 2014 at 14:18 comment added Dave Tweed I would guess that the "brackets" symbol is a transformer, given that the line above is labeled "11 kV", while the line below is labeled "690 V".
Jan 10, 2014 at 14:16 answer added Andy aka timeline score: 2
Jan 10, 2014 at 14:13 comment added Li-aung Yip Any chance of seeing more of the drawing for context? (With identifying features censored out.)
Jan 10, 2014 at 14:02 answer added Li-aung Yip timeline score: 20
Jan 10, 2014 at 14:00 history asked Stewie Griffin CC BY-SA 3.0