Comparison of Two Simple Power Plant Design at Different Height and Water Discharge

Abstract

This study aims to determine the comparison of two electrical energy produced by the Minihidro Power (PLTMH) at different heights and water discharge. After all the systems that support the construction of the mini-hydro have been designed and connected to each other to form the expected mini-hydro system, the next step is the mini-hydro work testing phase. As for the implementation using the experimental method by operating a mini-hydropower plant with variations in changing the height and water discharge. This research was conducted to determine the current and voltage produced by observing the current and input voltage and current and output voltage of the inverter circuit. The test is carried out using ammeters and voltmeters, then the measurement results are entered in a table. This study obtained data V and me to calculate the electric power generated (P). The analysis was done descriptively by comparing the data obtained to observe the effect of water height (h) and water discharge (Q) on electric power (P). From the experimental results, the greater the price of h and Q, the greater the P produced. So from this experiment, we can be implemented in a PLTMH builder by knowing the maximum water level and discharge from a water source. From the results of these experiments it can be said the higher the water to the generator, the greater the electrical energy produced. This is in accordance with the potential energy it has. The greater the potential energy of an object means the greater the electrical energy. From the comparative data of Experiments 1 and 2, it is obtained that the amount of water debit greatly influences the amount of energy/electricity generated. This is due to the large mass of water that will hit the turbine so the generator turns faster, resulting in large mechanical energy. So to build a PLTMH, water flow and altitude must be considered.