Energy Efficiency In Water Pumping System

Chin, Kwang Yhee (2016) Energy Efficiency In Water Pumping System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text Energy Efficiency In Water Pumping System - Chin Kwang Yhee - 24 Pages.pdf - Submitted Version Download (389kB)

Abstract

As the natural resources are consumable, energy efficiency is gaining attentions from various parties as excessive consumption of energy means lower in profit and more impact on the environment. Among all, buildings, especially university buildings had recorded among the highest energy consumption buildings. On the other hand, among all the components exist inside a building, the pumps which function to provide water supply to high rise gain less attention in energy efficiency evaluation. However, pumps are among the highest energy consumption component of electric motor applications. Hence, this research is conducted to investigate the current water pumping system in the Green Building, UTeM for energy saving opportunities. In order to do so, the optimization rating of the current water pumping system is estimated using Pumping System Assessment Tool (PSAT). Field data such as flow rate, head, motor power and voltage were first collected from the nameplates, catalogue or field measurements and filled into the Field Data Collection Form. The field data, motor power consumption is then being validated by determining the average motor power consumption recorded manually within an hour and on the other hand investigating the correlation between power consumption and number of people in the building. With the average motor power consumption be within the range of the data recorded previously and the positive correlation exists in between the two variables, the research is then proceeded with the simulation of optimization rating using the data of validated power consumptions. By using the maximum power consumption recorded, the optimization rating of the pump is recorded to be 142.0%, with the motor efficiency recorded to be 89%, which is even higher than the efficiency specified on the nameplate, indicating that the efficiency of the current system is optimized. However, the optimization rating is decreasing with the increasing value of motor power. Such phenomenon obeys the equation for efficiency.

Actions (login required)

View Item