CD Skripsi
PENGUJIAN PRESTASI PUMP-AS-TURBINE (PAT) PABRIKAN DAN HOME MADE DIBAWAH PENGARUH VARIASI BEBAN LISTRIK AC/DC DAN LAJU ALIRAN
Pump as Turbine (PAT) or pump as turbine is a term that refers to a pump that can
also function as a turbine. This pump can convert fluid flow into mechanical energy
when operating as a turbine. This allows the same device to be used for pumping
fluid to a location (as a pump) and generating energy if the fluid flow direction is
reversed (as a turbine), with the type of pump used being a centrifugal pump. The
issue of electrical energy in isolated areas can be addressed by utilizing pumps as
turbines where there are rivers or waterfalls and irrigation channels in remote
areas, but with relatively small and unstable discharge depending on the season.
However, field research is challenging due to inaccessible locations for vehicles,
requiring surveys and data collection in the field, then creating similar devices in
the laboratory for experimentation and analysis, and selecting materials and
processes for the pump as a turbine, which can be further developed. Many studies
have been conducted to improve efficiency and serve as reference benchmarks in
the use of hydroelectric power generation as renewable energy utilization. By
selecting the type of PAT, both manufactured and homemade, the efficiency of each
PAT can be determined. Manufactured PAT 1 with a discharge of 50.254 (m³/h)
has an efficiency of 70%, manufactured PAT 2 with a discharge of 19.320 (m³/h)
has an efficiency of 82%, and homemade PAT with a discharge of 70.223 (m³/h)
has an efficiency of 52%. The characteristics of manufactured PAT 1 and
homemade PAT are fluctuating, while the fully closed impeller is relatively stable.
Keywords: PAT, efficiency, impeller, pump, turbine
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