electrical power cable engineering (16)
electrical power cable engineering (16)
... to the cable axis and hence is in line with the electrical field. Trees that form in insulations such as polyethylene, crosslinked polyethylene, and ethylene propylene rubber cables ... chemicals in or around the cable or be stained as cable is examined. 237 Copyright © 1999 by Marcel Dekker, Inc. 2. BACKGROUND The phenomenon known as treeing in cables was firs...
Ngày tải lên: 21/03/2014, 12:09
electrical power cable engineering (6)
... that comprise water and electrical trees differ. AC breakdown strength is commonly performed on fill size cables as an aid in characterization. For full size cables, it is common ... mil, or kV per mm. For full size cable, it is common to merely report the kV at which the cable has failed. Hence if a 175 mil wall cable fails at 52.5 kV (or 52,500...
Ngày tải lên: 21/03/2014, 12:09
electrical power cable engineering (7)
... CHAPTER 7 SHIELDING OF POWER CABLES Lawrence J. Kelly and Carl C. Landinger 1. GENERAL Shielding of an electric power cable is accomplished by surrounding the assembly ... must be provided in the cable design to ensure that the cable will activate the back-up protection in the event of any cable fault over the life of that cable. There is also the concer...
Ngày tải lên: 21/03/2014, 12:09