Measuring the Return on Investment of Training Modules of Electrical Protection and Uninterruptible Power Supply (UPS) Using the Corrective and AHP Approaches

Table 7

Reduction of special consumable parts as a result of UPS module implementation.

Part name	Code	Consumption in ten years		Unit price ($)	Estimated savings in 10 years ($)
		Before	After
IGBT	MODULE IGBT	2	1	8938	894
Thyristor	SEMICRON-IXYS-SKKT-INFINEON	16	4	1404	1685
PCB card	ALIP-CDIM-IGBT TRIG-THY TRIG-STABILIZER-MAIN BOARD-CCOT	20	5	5618	8427
Battery	ALCAD-SAFT	400	100	55414	1662411
Total					1673417