Development and Simulation of a Flywheel-Based Energy Storage System on a Clamshell Dredge
Type:
Presented during:
WODCON XVIII - 2007 Orlando, Florida, USA
Authors:
de Jong
Abstract: In order to analyze the anticipated performance of a large scale flywheel-based energy storage system in a realworld application, a detailed simulation of a 17 m3 clamshell dredge equipped with a flywheel device was developed. The simulation includes a mathematical model of the bucket machine and flywheel dynamics, as well as a proprietary power routing algorithm which holds the machine's total power consumption constant.
By including the characteristics of several different Caterpillar diesel generator sets, fuel consumption and emissions data can also be analyzed. The simulation results show a 25% reduction in average electric power demand, a 37% reduction in diesel fuel consumption and dramatic 80-90% reductions in all of the Tier 3 emissions categories when a diesel generator set is used. In this case, monthly fuel costs are greatly reduced, at a lower capital cost. When power is drawn from a pre-existing power grid, capital costs are higher, but can be recovered within two years.
Keywords: Energy recovery, peak shaving, control algorithm, Matlab, Simulink.