Results 221 to 230 of about 136,630 (267)

Overcurrent protective device coordination by computer

IEEE Transactions on Industry Applications, 1982
Overcurrent protective device coordination is defined, and the advantages of computerizing this process are explained. A computer program written by the authors, who are engineers responsible for performing coordination studies, is discussed. The program was written with emphasis on engineering flexibility.
Robert A. Kennedy, Larry E. Curtis
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Overvoltage protection and insulation coordination

2015
The surge arrester at the line entrance must be installed for the protection from fast-front overvoltages. The selected surge arrester in the simulation model has a sufficient performance for the assumed lightning strike and other conditions. The standard rated lightning impulse withstand voltage can be selected from 1,050, 1,175, 1,300, and 1,425 kV ...
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COORDINATION OF LOW VOLTAGE PROTECTION

Internauka, 2023
Sona Vaqif, Rzayeva, Seymour Afghan Beylarzadeh   +1 more
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Coordinating Plans for Fire Protection Facilities

Journal of Forestry, 1939
Abstract The author here describes an attack on a very timely and important problem. If a fire administrator wants to obtain maximum protection from fire on a forest unit at the least annual cost, what should he do: build more lookouts? construct more roads and trails? or put more fire guards or fire fighters in the area?
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Zone 2 distance protection coordination with distribution feeder protection

2015 68th Annual Conference for Protective Relay Engineers, 2015
In recent years, renewable energy generators have been widely promoted in Ontario to offset their polluting counterparts. Due to connection cost of these generations, most of the renewable generation stations are connected to Hydro One transmission system at nearby HV transmission lines.
null Fenghai Sui, Miroslav Kostic, null Zhiying Zhang   +2 more
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Coordination of Protection Devices in Microgrids

2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP), 2023
Hércules Oliveira, Luiza H. S. Santos, José Gomes de Matos, Clóvis B. M. Oliveira, Luiz Antônio de S. Ribeiro, Orlando da Silva Santos, João Victor Mapurunga Caracas   +6 more
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Protective Device Coordination Expert System

IEEE Transactions on Power Delivery, 1991
The Protective Device Coordination Expert System (PDCES) software is presented. It helps electric distribution engineers correct miscoordinated protective device pairs. PDCES was prototyped as a component of the Pacific Gas & Electric Company's Electric Distribution Planning Analysis (EDPLAN) system, an in-house engineering tool for analyzing electric ...
H.W. Hong, null Chuen-Tsai Sun, V.M. Mesa, S. Ng   +3 more
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Protective device coordination-ideal and practical

Conference Record of the IEEE Industry Applications Society Annual Meeting, 2003
A relay coordination study should ensure maximum protection of the system components with minimum load removed from the service. It is noted that compromises will be necessary in this objective and that each compromise should receive critical considerations in terms of specific requirements of the plant operations, availability of equipment for restart,
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Channel coordination under price protection

2008 IEEE International Conference on Industrial Engineering and Engineering Management, 2008
In current market competition companies face with short product life cycle, high demand uncertainty and drastic declines of product values. This study analyses the price protection policy in channel coordination and proposes a two-period dynamic model of optimal price protection rate based on the single ordering.
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Coordinated Protection

2022
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