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ISSN:2394-3661 | Crossref DOI | SJIF: 5.138 | PIF: 3.854

International Journal of Engineering and Applied Sciences

(An ISO 9001:2008 Certified Online and Print Journal)

Transmission and distribution line protection and performance of network splitting

( Volume 8 Issue 6,June 2021 ) OPEN ACCESS
Author(s):

Harshita Chhipa, Rashi Sharma, Akanksha Malhotra

Keywords:

Distributed Generation, Time and Current Grading, Network Splitting, Coordination Delay time

Abstract:

In this paper, a protection scheme for transmission and distribution lines is presented and also discuss about fault in transmission line, effects, causes and overcurrent protection of transmission and distribution line. This paper also presents network splitting which have more potential for fault level reduction in short term as it is relatively economic and moreover it has accuracy, also mention about fault level reduction technique and test networks and input data. The analysis shows that the fault current is sensitive to closure the normally open point (NOP). In urban area the fault level rating of installed equipment is a common restriction on the expansion of distributed generation (DG). For reducing fault level the network is to split at selected point by, for example opening bus section circuit breakers which are normally run closed. It studies performed to evaluate the reduction technique and impact of network splitting such as reliability and power quality.

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