Control Strategy of UPS for Data Center Based on Economic Dispatch
Hengrui Ma, Wenzhong Gao, Bo Wang, Dichen Liu · 2018
In this paper, a data center UPS controlled strategy based on economic dispatch is proposed to reduce data center operation cost. Using the improved Niche Genetic Algorithm based on fuzzy clustering, a data center UPS charge-discharge plan which has data center running at the lowest cost is investigated and obtained the UPS hourly schedule output curve. The plan ensured that data center is less dependent on the local power grid and makes full use of new energy supply power and cost. Based on uncertainty of the power demand of data center and the local grid's real-time power price, confirmed the optimal value of the direct power purchase of data center. Simulation example reveals that, in the same data center structure, load and operating environment, the proposed control strategy has effectively reduced the operating cost of the system by running a a reasonable and efficient UPS control strategy, also indicated it is practical strategy with high usage value.