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Adaptive Current Differential Protection Schemes for Transmission-Line Protection

DSpace at IIT Bombay

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Title Adaptive Current Differential Protection Schemes for Transmission-Line Protection
 
Creator DAMBHARE, S
SOMAN, SA
CHANDORKAR, MC
 
Subject relay
systems
adaptive protection
current differential protection
dynamic phasor
global positioning system (gps)
mutually coupled lines
phasorlets
series-compensated lines
tapped lines
 
Description Throughout the history of power system protection, researchers have strived to increase sensitivity and speed of apparatus protection systems without compromising security. With the significant technological advances in wide-area measurement systems, for transmission system protection, current differential protection scheme outscores alternatives like overcurrent and distance protection schemes. Therefore, in this paper, we address this challenge by proposing a methodology for adaptive control of the restraining region in a current differential plane. First an error analysis of conventional phasor approach for current differential protection is provided using the concept of dynamic phasor. Subsequently, we extend the methodology for protection of series compensated transmission lines. Finally, we also evaluate the speed versus accuracy conflict using phasorlets. Electromagnetic Transient Program simulations are used to substantiate the claims. The results demonstrate the utility of the proposed approach.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2011-07-31T19:19:01Z
2011-12-26T12:53:07Z
2011-12-27T05:40:16Z
2011-07-31T19:19:01Z
2011-12-26T12:53:07Z
2011-12-27T05:40:16Z
2009
 
Type Article
 
Identifier IEEE TRANSACTIONS ON POWER DELIVERY, 24(4), 1832-1841
0885-8977
http://dx.doi.org/10.1109/TPWRD.2009.2028801
http://dspace.library.iitb.ac.in/xmlui/handle/10054/8211
http://hdl.handle.net/10054/8211
 
Language en