Garry KeenorThe volt drop problem also means that substations must be much closer together – typically every 10 miles for 1500V DC versus every 40 miles for 25kV AC. They are also more complex, needing to house rectifiers. Substations are a major cost for any new electrification build. Taken together, these factors mean the capital cost of DC electrification is significantly more than for AC electrification.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.