OAK RIDGE, Tennessee, Aug. 23 (TNSres) -- The U.S. Department of Energy's Oak Ridge National Laboratory issued the following news release: Researchers at the Department of Energy's Oak Ridge National Laboratory are leading the way in understanding the effects of electrical faults in the modern U.S. power grid. Faults are abnormal conditions in an electrical circuit that interrupt the flow of power, with the potential to cause blackouts that affect thousands of customers. Faults can be caused b  more