@thesis{thesis,
		author={Budi  Purnomo Willy and Havziah  Dzikra Rany},
		title ={ANALISA SISTEM KELISTRIKAN PADA BANDARA INTERNASIONAL MINANGKABAU},
		year={2018},
		url={http://156.67.221.169/706/},
		abstract={On their work late writers discussed about operational of UPS (uninterubtible its own power supply ) as a source of electricity reserves before in back-up generator at the airport by international minangkabau .Because there are certain called the critical which must always be in steady .Ups is a system that could voltage change ac - dc - ac .The change ac - dc past three steps .On the first , supply voltage input ac changed are dc by a rectifier main .The second step , a resonance to dc voltage change frequency high voltage ac .And on the third step a rectifier voltage change ac high frequency to dc using high .A battery backup supply when used as input into a rectifier input was suffering from a .The bigger the capacity of a battery in a ups but UPS the same ( with a large ) will be able to power longer than at supplying the UPS.}
		}