Cooling system for photovoltaic module that is utilized on e.g. roofs, for converting sunlight into electricity, has corrugated plate and chamber connected to each other by openings to form cooling circuit for photovoltaic module
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Power transformer has compression-proof boiler and container-integrated cooling system, in which corrugated sheet walls or radiators are arranged on both sides of boiler or container wall at boiler or container
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Pressure resistant transformer e.g. fixed sheet metal boiler, has pressure releasing device embraced in pressure releasing system of switching system, where releasing system minimizes and cools pressure, fire and hotness in transformer
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Power transformer, has bottom support fixed for mild steel and nickel silver windings, and mild steel and nickel steel bushings placed laterally parallel and wired with prefabricated winding
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Stackable low voltage breaker has fuse inserts, breaker load switches with contacts, bus bar/cable junction capability, switch drive, and fuse insert part
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Compact central energy station has liquid containers, heat exchanger, expansion vessel, cascade of water turbine generators with rotary cylinders with magnets, stacked generator windings
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Compact power plant with water tower-like structure
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Low-voltage distribution apparatus has drive for displacing part in contacts on bus-bars and cable outlets via rotary-linear movement
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Double door for technical buildings, with blackout function; has identical door halves with central or symmetrical openings for hinges or locks and closure plate on one door to form seal between doors
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Compact energy center has solar-powered pump used for raising liquid from lower storage space to higher storage space for driving turbine-generator combination
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Compact power center has unit-type thermal power generator with rotating medium voltage transformer with adjacent medium and low voltage windings as generator and motor windings
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Low voltage distribution arrangement has cable outlets at side of bus bar and 6-pole switch
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Low voltage distribution box has parts bolted or riveted to lid and able to be locked to other parts and to pedestal so as to enable fixing into ground or bolting near surface of ground
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Low voltage distribution device with dual switchable fuse strip has switching straps that give for easy insertion into slot-shaped openings of connecting contacts or bus bar slot
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Compact, completely transportable, prefabricated energy supply system, having medium-voltage control panel, transformer, heating plant, heat storage, water heater, and batteries
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Switch system for middle voltage range with cross rotation switch
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Energy distribution station with display cabinet or roof garden
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Voltage pick-up shifter for MV transformer
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Low-voltage distribution with NH fuse strips that can be switched off on both sides
