Protective relay (English Wikipedia)

Lundqvist, Bertil. "100 years of relay protection, the Swedish ABB relay history" (PDF). ABB. Retrieved 30 December 2015.
Gajić, Z.; Brnčić, I.; Einarsson, T.; et al. (September 2009). New and re-discovered theories and practices in relay protection (PDF). Relay Protection and Substation Automation of Modern Power Systems. Cheboksary Chuvashia: CIGRE. p. 1. Retrieved 11 January 2016.

new.abb.com

"Numerical relays - Protection and control products for power distribution". New.ABB.com. ABB. Retrieved 2016-01-05.

aemc.gov.au (Global: low place; English: low place)

"AEMC - Current Rules". AEMC.gov.au. Retrieved 2015-12-30.

bsigroup.com (Global: low place; English: low place)

shop.bsigroup.com

"BS 142-0:1992 - Electrical protection relays. General introduction and list of Parts". shop.bsigroup.com. Retrieved 2016-01-14.

circuitglobe.com (Global: low place; English: low place)

"Overcurrent Relay". 2016-06-29.

digsilent.com.au (Global: low place; English: low place)

Henderson, Brad (17 March 2009). Protection Relay Settings Management in the modern world (PDF). South East Asia Protection and Automation Conference -CIGRE Australia Panel B5. p. 2. Retrieved 2016-01-05.

doi.org (Global: 2^nd place; English: 2^nd place)

Warrington, A. R. van C. (1968-01-01). "Relay Design and Construction: Characteristics—Choice of Measuring Units—Construction of Measuring Units—Construction of Timing Units—Details of Design—Cases—Panel Mounting—Operation Indicators—Finishes". Protective Relays. Springer US. pp. 29–49. doi:10.1007/978-1-4684-6459-7_2. ISBN 978-1-4684-6461-0.
Rockefeller, G.D. (1969-04-01). "Fault Protection with a Digital Computer". IEEE Transactions on Power Apparatus and Systems. PAS-88 (4): 438–464. Bibcode:1969ITPAS..88..438R. doi:10.1109/TPAS.1969.292466. ISSN 0018-9510.
Rockefeller, G.D.; Udren, E.A. (1972-05-01). "High-Speed Distance Relaying Using a Digital Computer II-Test Results". IEEE Transactions on Power Apparatus and Systems. PAS-91 (3): 1244–1258. Bibcode:1972ITPAS..91.1244R. doi:10.1109/TPAS.1972.293483. ISSN 0018-9510.
Johns, A. T.; Salman, S. K. (1995-01-01). Digital Protection for Power Systems. IET Digital Library. doi:10.1049/pbpo015e. ISBN 9781849194310. S2CID 106644987.
Khan, Z.A; Imran, A. (2008-03-01). "Algorithms and hardware design of modern numeric overcurrent and distance relays". 2008 Second International Conference on Electrical Engineering. pp. 1–5. doi:10.1109/ICEE.2008.4553897. ISBN 978-1-4244-2292-0. S2CID 34642073.
Sham, M.V.; Vittal, K.P. (2011-12-01). Development of DSP Based High-Speed Numerical Distance Relay and Its Evaluation Using Hardware in Loop Power System Simulator. ISGT2011-India. pp. 37–42. doi:10.1109/ISET-India.2011.6145351. ISBN 978-1-4673-0315-6.
IEEE Standard Inverse-Time Characteristic Equations for Overcurrent Relays. 1997-01-01. pp. i–. doi:10.1109/IEEESTD.1997.81576. ISBN 978-1-55937-887-1. {{cite book}}: |journal= ignored (help)
Elneweihi, A.F.; Schweitzer, E.O.; Feltis, M.W. (1993). "Negative-sequence overcurrent element application and coordination in distribution protection". IEEE Transactions on Power Delivery. 8 (3): 915–924. doi:10.1109/61.252618. ISSN 0885-8977.
Rincon, Cesar; Perez, Joe (2012). 2012 65th Annual Conference for Protective Relay Engineers. pp. 467–480. doi:10.1109/CPRE.2012.6201255. ISBN 978-1-4673-1842-6.
Miller, H.; Burger, J.; Fischer, N.; Kasztenny, B. (2010). Modern Line Current Differential Protection Solutions. 63rd Annual Conference for Protective Relay Engineers. College Station, Texas: IEEE. p. 3. doi:10.1109/CPRE.2010.5469504. ISBN 978-1-4244-6073-1.
Zimmerman, Karl; Costello, David (March 2010). Fundamentals and Improvements for Directional Relays. 63rd Annual Conference for Protective Engineers. College Station, Texas: IEEE. pp. 1–12. doi:10.1109/cpre.2010.5469483. ISBN 978-1-4244-6073-1.

gegridsolutions.com (Global: low place; English: low place)

Mason, C. Russell (January 15, 1956). The Art and Science of Protective Relaying. Wiley. ISBN 978-0-471-57552-8. {{cite book}}: ISBN / Date incompatibility (help)

harvard.edu (Global: 18^th place; English: 17^th place)

ui.adsabs.harvard.edu

Rockefeller, G.D. (1969-04-01). "Fault Protection with a Digital Computer". IEEE Transactions on Power Apparatus and Systems. PAS-88 (4): 438–464. Bibcode:1969ITPAS..88..438R. doi:10.1109/TPAS.1969.292466. ISSN 0018-9510.
Rockefeller, G.D.; Udren, E.A. (1972-05-01). "High-Speed Distance Relaying Using a Digital Computer II-Test Results". IEEE Transactions on Power Apparatus and Systems. PAS-91 (3): 1244–1258. Bibcode:1972ITPAS..91.1244R. doi:10.1109/TPAS.1972.293483. ISSN 0018-9510.

nerc.com (Global: low place; English: low place)

"Protection System Maintenance - A Technical Reference" (PDF). North American Electric Reliability Corporation. p. 1. Retrieved 2016-01-05.

pacw.org (Global: low place; English: low place)

Schossig, Walter (September 2014). "Protection History". Pacworld. Retrieved 30 December 2015.
"PAC World magazine: Interview with George Rockefeller Jr". PACW.org. Retrieved 2016-01-13.
"PAC World magazine: Protection History". PACW.org. Retrieved 2016-01-13.

selinc.com (Global: low place; English: low place)

Mooney, Joe (March 25–28, 1996). Microprocessor-Based Transmission Line Relay Applications. American Public Power Association's Engineering & Operations Workshop. Salt Lake City, Utah: Schweitzer Engineering Laboratories. p. 1.
Miller, H.; Burger, J.; Fischer, N.; Kasztenny, B. (2010). Modern Line Current Differential Protection Solutions. 63rd Annual Conference for Protective Relay Engineers. College Station, Texas: IEEE. p. 3. doi:10.1109/CPRE.2010.5469504. ISBN 978-1-4244-6073-1.
Zimmerman, Karl; Costello, David (March 2010). Fundamentals and Improvements for Directional Relays. 63rd Annual Conference for Protective Engineers. College Station, Texas: IEEE. pp. 1–12. doi:10.1109/cpre.2010.5469483. ISBN 978-1-4244-6073-1.

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Johns, A. T.; Salman, S. K. (1995-01-01). Digital Protection for Power Systems. IET Digital Library. doi:10.1049/pbpo015e. ISBN 9781849194310. S2CID 106644987.
Khan, Z.A; Imran, A. (2008-03-01). "Algorithms and hardware design of modern numeric overcurrent and distance relays". 2008 Second International Conference on Electrical Engineering. pp. 1–5. doi:10.1109/ICEE.2008.4553897. ISBN 978-1-4244-2292-0. S2CID 34642073.

siemens.com (Global: 4,145^th place; English: 4,190^th place)

w3.usa.siemens.com

Moxley & Lippert. "Multi-Terminal Line Differential Protection" (PDF). siemens.com. Retrieved 2016-01-05.

springer.com (Global: 274^th place; English: 309^th place)

Warrington, A.R.van C. (1968). Protective Relays: Their Theory and Practice Volume One. Stafford, Uk: Chapman & Hall. ISBN 978-1-4684-6459-7.

toshiba.co.jp (Global: 9,918^th place; English: low place)

Instruction Manual Overcurrent Protection Relay GRD110-xxxD (PDF). Japan: Toshiba. 2010.

worldcat.org (Global: 5^th place; English: 5^th place)

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Rockefeller, G.D. (1969-04-01). "Fault Protection with a Digital Computer". IEEE Transactions on Power Apparatus and Systems. PAS-88 (4): 438–464. Bibcode:1969ITPAS..88..438R. doi:10.1109/TPAS.1969.292466. ISSN 0018-9510.
Rockefeller, G.D.; Udren, E.A. (1972-05-01). "High-Speed Distance Relaying Using a Digital Computer II-Test Results". IEEE Transactions on Power Apparatus and Systems. PAS-91 (3): 1244–1258. Bibcode:1972ITPAS..91.1244R. doi:10.1109/TPAS.1972.293483. ISSN 0018-9510.
Elneweihi, A.F.; Schweitzer, E.O.; Feltis, M.W. (1993). "Negative-sequence overcurrent element application and coordination in distribution protection". IEEE Transactions on Power Delivery. 8 (3): 915–924. doi:10.1109/61.252618. ISSN 0885-8977.

Protective relay (English Wikipedia)

abb.com (Global: 9,256th place; English: 8,140th place)

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siemens.com (Global: 4,145th place; English: 4,190th place)

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toshiba.co.jp (Global: 9,918th place; English: low place)

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abb.com (Global: 9,256^th place; English: 8,140^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

harvard.edu (Global: 18^th place; English: 17^th place)

semanticscholar.org (Global: 11^th place; English: 8^th place)

siemens.com (Global: 4,145^th place; English: 4,190^th place)

springer.com (Global: 274^th place; English: 309^th place)

toshiba.co.jp (Global: 9,918^th place; English: low place)

worldcat.org (Global: 5^th place; English: 5^th place)