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Examples of Ferroresonance in Distribution Systems

Examples of Ferroresonance in Distribution Systems

systems. Ferroresonance has been a long-time hobby. He is coauthor of Electrical Power Systems Quality published by McGraw-Hill, now in its 2nd edition. He serves as Secretary of the Power Systems Analysis, Computing, and Economics Committee.

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Examples of Ferroresonance in a High Voltage Power System

Examples of Ferroresonance in a High Voltage Power System

High Voltage Power System David A. N. Jacobson, Member, IEEE The author is with the System Planning Department, Manitoba Hydro, 12- 1146 Waverley Street, P.O. Box 815, Winnipeg, Manitoba, R3C 2P4, Canada (e-mail: [email protected]). Abstract— Catastrophic equipment failures continue to occur today due to ferroresonance even though this phenomenon has been extensively studied over the ...

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Examples of Ferroresonance in a High Voltage Power System

Examples of Ferroresonance in a High Voltage Power System

Examples of Ferroresonance in a High Voltage Power System David A. N. Jacobson, Member, IEEE The author is with the System Planning Department, Manitoba Hydro, 12-1146 Waverley Street, P.O. Box 815, Winnipeg, Manitoba, R3C 2P4, Canada (e-mail: [email protected]). Abstract— Catastrophic equipment failures continue to occur today due to ferroresonance even though this phenomenon has been ...

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Examples of Ferroresonance in Distribution Systems

Examples of Ferroresonance in Distribution Systems

The examples are derived from the actual work experience of the author. VIII. B IOGRAPHIES Roger C. Dugan (F '00) has been Sr. Consultant with Electrotek Concepts, Knoxville, TN, since He holds the BSEE degree from Ohio University and the MEEPE degree from Rensselaer Polytechnic Institute, Troy, NY. He was previously employed in the Systems Engineering department of McGraw-Edison Power Systems ...

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Examples of Ferroresonance in a High Voltage Power System

Examples of Ferroresonance in a High Voltage Power System

Examples of Ferroresonance in a High Voltage Power System David A. N. Jacobson, Member, IEEE The author is with the System Planning Department, Manitoba Hydro, 12-1146 Waverley Street, P.O. Box 815, Winnipeg, Manitoba, R3C 2P4, Canada (e-mail: [email protected]). Abstract--Catastrophic equipment failures continue to occur today due to ferroresonance even though this phenomenon has been ...

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FERRORESONANCE IN POWER SYSTEMS

FERRORESONANCE IN POWER SYSTEMS

ferroresonance with illustrating examples, recommendations how to avoid it, and literature references for gaining more insight and hints on tentative further research in this field. FERRORESONANCE IN POWER SYSTEMS ; 8; 2 Ferroresonance basics . Ferroresonance is in principle a series resonance with a capacitor and a nonlinear inductance that involves a saturable magnetizing inductance. The ...

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Ferro resonance

Ferro resonance

Figures 3.9 and 3.10 show examples of ferroresonant voltages that can result from this simple series circuit. The same inductive characteristic was assumed for each case. The capacitance was varied to achieve a different operating point after an initial transient that pushes the system into resonance. The unstable case yields voltages in excess of 4.0 pu, while the stable case settles in at ...

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FERRORESONANCE

FERRORESONANCE

Examples where ferroresonance would occur are given in the following diagrams. In these diagrams, an indication is provided for switching conditions where ferroresonance could occur. As ferroresonance is avoided if the transformer is switched separately from the cable, the diagram indicates where switching should take place to avoid ferroresonance occurring. Ferroresonance occurs Recommended ...

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Ferroresonance in Voltage Transformers: Analysis and ...

Ferroresonance in Voltage Transformers: Analysis and ...

simulation examples, using the software tool MATLAB. A software model has been developed based on test data obtained on a real voltage transformer. Figure 6 shows the saturation curve of the voltage transformer model developed. Fig. 6 Saturation curve of the voltage transformer model

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Modeling Ferroresonance Phenomena in an Underground ...

Modeling Ferroresonance Phenomena in an Underground ...

Modeling Ferroresonance Phenomena in an Underground Distribution System Surya Santoso, Roger C. Dugan, Thomas E. Grebe Electrotek Concepts, Inc

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Ferroresonant Configurations in Power Systems

Ferroresonant Configurations in Power Systems

supplied by the source may not be sufficient to sustain the ferroresonance. Some of the typical cases of low-loss systems are low-loss transformers’ design, no-load or low-

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