Abstract
Pico hydro or a small scale hydroelectric power plant is used as the rotating energy of the generator. Pico hydro is a hydroelectric power plant that has a power of less than 5 kW. Technically, Pico hydro has three main components namely water, turbine and generator. Turbine type propeller reaction has a special profile that causes a decrease in water pressure during the blades. This pressure difference exerts force on the blade so that the runner (rotating part of the turbine) can rotate. Permanent magnets are used to produce magnetic flux. Permanent magnets used are rare-eatrhrod magnet material, neodymium-iron-boron NdFeB with N35 type. The planned generator released is 36.85 V, 500 rpm, 50 hz. This designed water turbine has four blades which cannot change its angle. As for the measurement results produce a voltage of 35.1 V with a manufacturing efficiency of 95 %. Charging the battery voltage must be more than 12 V, therefore the generator must be turned at least 200 rpm with a voltage of 14 V to be used for charging batteries.
Highlights
IntroductionPopulation grows rapidly along with the housing growth
Nowadays, population grows rapidly along with the housing growth
Initial survey held in river in Manokwari, Indonesia shows that the river has a hydraulic potential of around 29.5 kW
Summary
Population grows rapidly along with the housing growth This condition causes the electricity providers increase the power capacity, the need on innovation generators or micro-scale generators is considered important. Run of river types of electricity planters are widely used in pico hydro-scale hydroelectric power plants in waterways/canals. This type of electricity generates electricity by naturally utilizing the river itself. The investment costs for developing the pico hydro power plant are relatively cheaper compared to the investment costs for hydropower This is due to the simplification of construction standards and output power that is adjusted to rural conditions [9]
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