Performance of Distance Relay Estimation in Transmission Line with UPFC

Manokaran, T.; karpagam, v.

doi:10.7763/ijcee.2010.v2.129

Cited by 6 publications

(2 citation statements)

References 8 publications

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“…This aspect is attractive from both a reliability and an economical point of view. However, in some applications, communication links are used as a supplement to speed up the fault clearing time [2,3].…”

Section: Introductionmentioning

confidence: 99%

Prevention of Cascaded Events of Distance Relay Zone Three Using Logic Controls

Henna

Nagy

2013

Conference Papers in Engineering

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This paper presents a new method to prevent cascaded events caused by zone 3 elements of distance relays due to transmission line overload by using logic controls. A proposed adaptive distance relay algorithm provides a new concept to distinguish between actual faults and flow transfers and secures time to perform remedial controls by a defense system during cascaded events. Maloperation of distance relay is a very critical situation, leading to more operation of other distance relays and finally partial or total blackout. Logic controls are used to insure the operating decision through observing the system parameters and compare it with a setting already being input to the system. When distance relay is activated and the logic controls find that the system is healthy (unfaulted) and that the activation resulted from transmission line overload not real fault, the operation signal will be blocked to protect the system from maloperation.

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Section: Introductionmentioning

confidence: 99%

Prevention of Cascaded Events of Distance Relay Zone Three Using Logic Controls

Henna

Nagy

2013

Conference Papers in Engineering

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“…This requires operation of the networks closer to their stability limits. The flexible alternating current transmission system (FACTS), a new technology based on power electronics, offers an opportunity to enhance controllability, stability, and power transfer capability of ac transmission systems [1][2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

Fault Detection and Classification Based on DWT and Modern Approaches for T.L Compensated with FACTS

Bastawy¹,

Talaat

Ibrahim³

2013

EPES

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A new approach for detecting and classifying a fault for transmission line compensated with Flexible AC Transmission System (FACTS) is presented in this paper. Unified Power Flow Controller (UPFC) is one of the most advanced FACTS devices that can simultaneously and independently control both the real and reactive power flow in a transmission line. The proposed technique consists of preprocessing module based on Discrete Wavelet Transform (DWT) in combination with Artificial Neural Network (ANN) or Gaussian Process (GP) for detecting and classifying fault events.

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