December 2014
Intermediate to advanced
758 pages
23h 58m
English
Content preview from Ultra-high Voltage AC/DC Grids
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Appendix B
Technical Data of UHV AC Transmission Lines
Table B.1
Technical Data of UHV AC Transmission Lines.
| Project | UHV AC Single-Circuit Line (UHV AC Pilot and Demonstration Project) | UHV AC Double-Circuit Line (Anhui–Shanghai Project) | |
| Nominal voltage (kV) | 1000 | 1000 | |
| Maximum operating voltage (kV) | 1100 | 1100 | |
| Total length (km) | 639.8 | 2×656 (including large crossing over the Huai River 2.42 and large crossing over the Yangtze River 3.18) | |
| Minimum air gap | |||
| Required air gap under power frequency voltage (m) | 2.7 for altitudes up to 500 m | 2.7 for altitudes up to 500 m | |
| 2.9 for altitudes up to 1000 m | |||
| 3.1 for altitudes up to 1500 m | |||
| Required air gap under switching overvoltage (m) | 6.7/7.9a for middle-phase V-string and 5.6b for outside-phase I-string for altitudes up to 500 m ... | ||
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.