hydro system
51Dam safety system — Dam safety systems are systems monitoring the state of dams used for hydropower or other purposes. This includes the use of differential GPS and SAR remote sensing to monitor the risks imposed by landslides and subsidence. For large dams… …
52River Dee regulation system — The water demands of North West England including Liverpool and the Wirral far exceed the locally available sources of clean water. The River Dee runs mainly in north Wales before flowing through Chester, England, and then returning to Wales in a …
53Hydropower — Hydropower, hydraulic power or water power is power that is derived from the force or energy of moving water, which may be harnessed for useful purposes.Prior to the widespread availability of commercial electric power, hydropower was used for… …
54Electricity sector in New Zealand — The electricity sector in New Zealand uses mainly renewable energy sources such as hydropower, geothermal power and increasingly wind energy. The 70% share of renewable energy sources makes New Zealand one of the most sustainable countries in… …
55Earl Eckel — Earle S. Eckel (January 24, 1892 1978) was a 1930s entrepreneur with pioneering business interests in automobiles, fuel oil, and aviation from Pleasant Valley, New Jersey [ [http://www.washington twp warren.org/Government/General… …
56South Somerset Hydropower Group — The South Somerset Hydropower Group (SSHG) is a group of 10 owners of former watermills in the South Somerset area of England who are installing micro hydro turbines for electricity generation. The Group was founded as a result of an initiative… …
57Northeast Blackout of 1965 — The Northeast Blackout of 1965 was a significant disruption in the supply of electricity on November 9, 1965, affecting Ontario, Canada and Connecticut, Massachusetts, New Hampshire, Rhode Island, Vermont, New York, and New Jersey in the United… …
58Tension Transitoire de Retablissement — Tension transitoire de rétablissement Illustration d une TTR après coupure d un courant alternatif. La tension transitoire de rétablissement (TTR, ou TRV de l anglais Transient Recovery Voltage) est la tension électrique qui se rétablit aux… …
59Tension Transitoire de Rétablissement — Illustration d une TTR après coupure d un courant alternatif. La tension transitoire de rétablissement (TTR, ou TRV de l anglais Transient Recovery Voltage) est la tension électrique qui se rétablit aux bornes d un appareillage électrique lorsqu… …
60Tension transitoire de rétablissement — Illustration d une TTR après coupure d un courant alternatif. La tension transitoire de rétablissement (TTR, ou TRV de l anglais Transient Recovery Voltage) est la tension électrique qui se rétablit aux bornes d un appareillage électrique lorsqu… …
