Computer-aided coordination and overcurrent protection for distribution systems
Conference
·
OSTI ID:42481
Overcurrent protection and coordination studies for electrical distribution systems have become much easier to perform with the emergence of several commercially available software programs that run on a personal computer. These programs have built-in libraries of protective device time-current curves, damage curves for cable and transformers, and motor starting curves, thereby facilitating the design of a selectively coordinated protection system which is also well-protected. Additionally, design time when utilizing computers is far less than the previous method of tracing manufacturers` curves on transparent paper. Basic protection and coordination principles are presented in this paper along with several helpful suggestions for designing electrical protection systems. A step-by-step methodology is presented to illustrate the design concepts when using software for selecting and coordinating the protective devices in distribution systems.
- Research Organization:
- Oak Ridge National Lab., TN (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States); Institute of Electrical and Electronics Engineers, Inc., New York, NY (United States)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 42481
- Report Number(s):
- CONF-9505196--1; ON: DE95008844
- Country of Publication:
- United States
- Language:
- English
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