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Itaipu hydroelectric power plant is constructed on the Parana River inside areas adjoining the borders of Brazil and Paraguay. The construction began in 1975 and take care of in 1991. There are 20 power generation units with total capacity of 14000 MW or 14GW. In 1995, the plant was in charge of 25% of total power supply in Brazil, and almost 80% in Paraguay.
Principle: resulting in differential pressure. By differential pressure switch monitoring in and out of the nozzle pressure difference of change, when the differential pressure to set data, control device for hydraulic control valves, motor drive signal, caused by the following action: motor driving brush rotation, the filter cleaning, emission control valve to open at the same time, the whole cleaning process for dozens of seconds, at the end of the automatic brush filter when cleaning, close the valve, the motor stop running, system back to its initial state, began to filter into the next process
Coffee Maker Style Guide by Dr Bryan Stoker
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