Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance: A case study

Saad M. Saad; Naser El Naily; Abdelsalam El Haffar

doi:10.1109/IEEEGCC.2017.8448174

Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance: A case study

Saad M. Saad, Naser El Naily, Abdelsalam El Haffar

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

This paper aims to present modeling and simulation of numerical differential protection for power transformer using Alternative Transient Program ATP/EMTP and its MODELS environment. The model presents the design, modeling and implementation of a numerical percentage differential relay that can be used in the protection of power system components, such as transformers, and transmission line. The relay design provides the characteristic of the percentage differential relay and evaluates its performance. To validate the performance of the modeled relay, simulations of a simplified power system in ATP/EMTP with parameters obtained from a real 30/11 KV power transformer has been carried out and compared against Siemens 7UT-612 differential relay. The advantages of modeling protection relays are to provide a good a indication of the system performance against protection system, also in addition provide indication of the relay response for different power system operating conditions such as external faults, internal faults, and switching inrush currents. Numerical differential protection in power system network gives the ability to capture and analyze the recorded transient operation conditions, and optimize relay setting due to each transformer characteristic and its location in the network.

Original language	English
Title of host publication	2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781538627563
DOIs	https://doi.org/10.1109/IEEEGCC.2017.8448174
Publication status	Published - Aug 27 2018
Event	9th IEEE-GCC Conference and Exhibition, GCCCE 2017 - Manama, Bahrain Duration: May 8 2017 → May 11 2017

Other

Other	9th IEEE-GCC Conference and Exhibition, GCCCE 2017
Country/Territory	Bahrain
City	Manama
Period	5/8/17 → 5/11/17

Keywords

Power system simulation
Power system transients
Transformer

ASJC Scopus subject areas

Computer Networks and Communications
Signal Processing
Information Systems and Management
Media Technology
Instrumentation

Access to Document

10.1109/IEEEGCC.2017.8448174

Cite this

Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance : A case study. / Saad, Saad M.; El Naily, Naser; El Haffar, Abdelsalam.

2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017. Institute of Electrical and Electronics Engineers Inc., 2018. 8448174.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Saad, SM, El Naily, N & El Haffar, A 2018, Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance: A case study. in 2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017., 8448174, Institute of Electrical and Electronics Engineers Inc., 9th IEEE-GCC Conference and Exhibition, GCCCE 2017, Manama, Bahrain, 5/8/17. https://doi.org/10.1109/IEEEGCC.2017.8448174

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title = "Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance: A case study",

abstract = "This paper aims to present modeling and simulation of numerical differential protection for power transformer using Alternative Transient Program ATP/EMTP and its MODELS environment. The model presents the design, modeling and implementation of a numerical percentage differential relay that can be used in the protection of power system components, such as transformers, and transmission line. The relay design provides the characteristic of the percentage differential relay and evaluates its performance. To validate the performance of the modeled relay, simulations of a simplified power system in ATP/EMTP with parameters obtained from a real 30/11 KV power transformer has been carried out and compared against Siemens 7UT-612 differential relay. The advantages of modeling protection relays are to provide a good a indication of the system performance against protection system, also in addition provide indication of the relay response for different power system operating conditions such as external faults, internal faults, and switching inrush currents. Numerical differential protection in power system network gives the ability to capture and analyze the recorded transient operation conditions, and optimize relay setting due to each transformer characteristic and its location in the network.",

keywords = "Power system simulation, Power system transients, Transformer",

author = "Saad, {Saad M.} and {El Naily}, Naser and {El Haffar}, Abdelsalam",

year = "2018",

month = aug,

day = "27",

doi = "10.1109/IEEEGCC.2017.8448174",

language = "English",

isbn = "9781538627563",

booktitle = "2017 9th IEEE-GCC Conference and Exhibition, GCCCE 2017",

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AU - El Haffar, Abdelsalam

PY - 2018/8/27

Y1 - 2018/8/27

N2 - This paper aims to present modeling and simulation of numerical differential protection for power transformer using Alternative Transient Program ATP/EMTP and its MODELS environment. The model presents the design, modeling and implementation of a numerical percentage differential relay that can be used in the protection of power system components, such as transformers, and transmission line. The relay design provides the characteristic of the percentage differential relay and evaluates its performance. To validate the performance of the modeled relay, simulations of a simplified power system in ATP/EMTP with parameters obtained from a real 30/11 KV power transformer has been carried out and compared against Siemens 7UT-612 differential relay. The advantages of modeling protection relays are to provide a good a indication of the system performance against protection system, also in addition provide indication of the relay response for different power system operating conditions such as external faults, internal faults, and switching inrush currents. Numerical differential protection in power system network gives the ability to capture and analyze the recorded transient operation conditions, and optimize relay setting due to each transformer characteristic and its location in the network.

AB - This paper aims to present modeling and simulation of numerical differential protection for power transformer using Alternative Transient Program ATP/EMTP and its MODELS environment. The model presents the design, modeling and implementation of a numerical percentage differential relay that can be used in the protection of power system components, such as transformers, and transmission line. The relay design provides the characteristic of the percentage differential relay and evaluates its performance. To validate the performance of the modeled relay, simulations of a simplified power system in ATP/EMTP with parameters obtained from a real 30/11 KV power transformer has been carried out and compared against Siemens 7UT-612 differential relay. The advantages of modeling protection relays are to provide a good a indication of the system performance against protection system, also in addition provide indication of the relay response for different power system operating conditions such as external faults, internal faults, and switching inrush currents. Numerical differential protection in power system network gives the ability to capture and analyze the recorded transient operation conditions, and optimize relay setting due to each transformer characteristic and its location in the network.

KW - Power system simulation

KW - Power system transients

KW - Transformer

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Experimental and EMTP modeling of numerical transformer protection for enhancing relay transient performance: A case study

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Keywords

ASJC Scopus subject areas

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