December 2014
Intermediate to advanced
758 pages
23h 58m
English
Content preview from Ultra-high Voltage AC/DC Grids
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Appendix C
Main Technical Data of UHV DC Electrical Equipment1
Table C.1
Converter Valves.
| Main Technical Data | Unit | Value |
| 1. DC current ratings | ||
| Nominal DC current IdN | A | 4000 |
| Minimum continuous operating DC current | A | 367 |
| Maximum continuous operating DC current (rated transmission power, maximum ambient temperature, 50°C valve hall temperature, without redundant cooling in service) | A | 4037 |
| Maximum continuous operating DC current (1.1 p.u. of rated transmission power, maximum ambient temperature, 50°C valve hall temperature, with redundant cooling in service) | A | 4497 |
| Maximum current when operated with 1.4 p.u. overload for 3 s (maximum ambient temperature, 50°C valve hall temperature) | A | – |
| 2. DC voltage ratings | ||
| Nominal pole-to-neutral DC voltage UdRN | kV | 800 |
| Maximum continuous ... | ||
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