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

Table 5

Reduction of time delay relay as a result of electrical protection module implementation.

Number of relay types	Total number	Annual test title	Test time of each type (person-hour)		Total annual savings ($)
			Before	After
12	127	Relay performance test	10	5	766