A new differential backup protection strategy for smart distribution networks: A fast and reliable approach

W Li, Y Tan, Y Li, Y Cao, C Chen, M Zhang - IEEE Access, 2019 - ieeexplore.ieee.org
The integration of distributed generations (DGs) is transforming the traditional radial single-
source distribution system into a complex multi-source one which requires its related …

Backup protection scheme for transmission line compensated with UPFC during high impedance faults and dynamic situations

B Kumar, A Yadav - IET Science, Measurement & Technology, 2017 - Wiley Online Library
This study presents a backup protection scheme for transmission line compensated with
unified power flow controller (UPFC) using power differential protection algorithm. In this …

Effective algorithm for fault discrimination and estimation of fault location in transmission lines

S Gangolu, P Raja, MP Selvan… - IET Generation …, 2019 - Wiley Online Library
Sensitivity, selectivity, speed of operation and reliability of the conventional current
differential protection schemes are affected and limited by the distributed shunt capacitance …

Synchrophasor‐based backup distance protection of multi‐terminal transmission lines

NA Al‐Emadi, A Ghorbani… - IET Generation …, 2016 - Wiley Online Library
The distance protection of multi‐terminal transmission lines need to be redesigned due to
possible changes in the backup protection emanating from probable infeed currents …

Active power based distance protection scheme in the presence of series compensators

A Ghorbani, SY Ebrahimi… - Protection and control of …, 2017 - ieeexplore.ieee.org
Flexible ac transmission system (FACTS) controllers, especially the series-FACTS
controllers, affect the operation of distance relays and can lead to the relays under/over …

Adaptive α‐plane line differential protection

S Sarangi, AK Pradhan - IET Generation, Transmission & …, 2017 - Wiley Online Library
Alpha plane (α‐plane)‐based differential relay protecting a transmission line uses the ratio
of the current phasors of both ends and has numerous advantages. Such an approach either …

Distance relaying algorithm for phasor measurement unit assisted zone‐3 relays of series compensated wind integrated system

T Prakash, SR Mohanty… - IET Generation …, 2019 - Wiley Online Library
The signals of wind integrated system are contaminated with inter‐harmonic components
which may result in erroneous calculations of apparent impedance seen by the distance …

Pilot relaying scheme based on differential admittance concept for FSC-compensated EHV transmission line

P Khadke, N Patne, A Singh, G Shinde - Iranian Journal of Science and …, 2020 - Springer
This article presents a novel per-phase differential admittance (DA) concept-based relaying
scheme applied in transmission system with fixed series capacitors. For a given two-bus …

Variation of UPFC controllable parameters during power swing and their impacts on distance relay

J Khodaparast, M Khederzadeh… - IET Generation …, 2017 - Wiley Online Library
Unified power flow controller (UPFC) has impact on the performance of distance relay during
power swing. Generally, power system's parameters oscillate during power swing and since …

Adaptive setting of distance relay for MOV-protected series compensated line considering wind power

O Sivov, H Abdelsalam, E Makram - Electric Power Systems Research, 2016 - Elsevier
Abstract Series compensated lines are protected from overvoltage by metal-oxide-varistors
(MOVs) connected in parallel with the capacitor bank. The nonlinear characteristics of MOV …