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2. Solar-powered pump - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_pump

   A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]

3. Sump pump - Wikipedia

   en.wikipedia.org/wiki/Sump_pump

   Sump pumps are used where basement flooding may otherwise happen, and to solve dampness where the water table is near or above the foundation of a structure. Sump pumps send water away from a location to any place where it is no longer problematic, such as a municipal storm drain, a dry well, or simply an open-air site downhill from the building (sometimes called "pumping to daylight").

4. Vertiv - Wikipedia

   en.wikipedia.org/wiki/Vertiv

   Electric & Diesel Fire Pump Controllers [44] 1997 Edco USA Low-Voltage Surge Protection Devices [45] 1996 HVM USA High Voltage Maintenance Services [44] 1995 eti/ERS USA Electrical Engineering & Testing [46] 1990 Control Concepts USA Transient Voltage Surge Suppression (TVSS) [47] 1988 ASTEC Power: USA AC-DC & DC-DC Power Supplies [44] 1983

5. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   Many ferroresonant UPSs are 82–88% efficient (AC/DC-AC) and offer excellent isolation. The transformer has three windings, one for ordinary mains power, the second for rectified battery power, and the third for output AC power to the load. This once was the dominant type of UPS and is limited to around the 150 kVA range. These units are still ...

6. Plugs vs. Pump: How Much It Actually Costs to Charge an ...

   www.aol.com/plugs-vs-pump-much-actually...

   While level 3 chargers can be prohibitively expensive for home installation, homeowners can opt to install a level 2 charger, which can fuel an EV's entire battery in as little as four hours.

7. Battery room - Wikipedia

   en.wikipedia.org/wiki/Battery_room

   Telephone system central offices contain large battery systems to provide power for customer telephones, telephone switches, and related apparatus. [2] Terrestrial microwave links, cellular telephone sites, fibre optic apparatus and satellite communications facilities also have standby battery systems, which may be large enough to occupy a separate room in the building.