Probabilistic Aspects of Transmission System Switching Surge Reliability

Probabilistic principles are applied to predicting the transmission system flashover rate caused by switching operations by combining results of laboratory tests on component insulation structures with system overvoltage probability distributions. A piecewise normal method is developed, applicable when statistical dependence of insulation structure flashover and system over- voltage generation cannot be described by standard normal distributions over the entire specified range of voltages. Results are obtained for large numbers of insulation structures in parallel and, by appropriately synthesizing the described sub-systems, entire transmission systems can be analyzed. The effect of voltage limiting devices, such as arresters, has been studied and their effect on system performance can be included in the analysis.

[1]  G. E. Hertig,et al.  Switching Surge Test Results EHV Substation Bus Configurations , 1966 .

[2]  G. Carrara,et al.  A Statistical Aspect of the Coordination of Two Gaps , 1965 .

[3]  A. R. Hileman,et al.  Switching Surge Tests on Simulated and Full-Scale EHV Tower-Insulator Systems , 1965 .

[4]  A. R. Hileman,et al.  Full Scale Surge Testing of VEPCO 500-Kv Line Insulation , 1964 .

[5]  H. E. Fiegel,et al.  The Flashover Strength of Extra-High-Voltage Line and Station Insulation , 1961, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.

[6]  G. E. Hertig,et al.  Fundamentals for the Determination of EHV Switching-Surge Ratings , 1965 .

[7]  N. Hylten-Cavallius,et al.  Switching Surge Testing of Transformers , 1966 .

[8]  D. F. Shankle,et al.  Field Measurement of Surges When Switching in 345-Kv Stations , 1964 .

[9]  A. J. McElroy,et al.  345-kV Switching Surge Tests Exploring Dynamic Voltage and Arrester Performance , 1965 .

[10]  C. F. Sonnenberg,et al.  Insulation Coordination Qualities of 500-kV SF6 Circuit Breakers , 1965 .

[11]  Arem Foti,et al.  EHV Switch Tests and Switching Surges , 1964 .

[12]  G. Carrara,et al.  Switching Surges Insulation Coordination: Switches, "Anomalous" Sparkovers, and Possible Generalization , 1966 .

[13]  D. F. Shankle,et al.  Field Measurement of 345-Kv Lightning Arrester Switching Surge Perrormance , 1963 .

[14]  R. W. Caswell,et al.  Lightning Performance of 138-Kv Twin-Circuit Transmission Lines of Commonwealth Edison Company - Operating Experience and Field Studies , 1957, Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems.

[15]  D. F. Shankle,et al.  Field Measurement of Switching Surges on Unterminated 345-Kv Transmisson Lines , 1963 .

[16]  Yasuo Watanabe,et al.  Switching Surge Sparkover Characteristics of Air Gaps and Insulator Strings Under Nonstandard Conditions , 1966 .

[17]  R. H. Schlomann,et al.  1956 lightning field investigation on the OVEC 345-kv system , 1958, Electrical Engineering.

[18]  D. F. Shankle,et al.  The Apple Grove 750-kV Project- 500-kV Switching Surge and Line Flashover Tests , 1965 .

[19]  John G. Anderson,et al.  The Statistical Computation of Line Performance Using METIFOR , 1966 .

[20]  A. R. Hileman,et al.  Full-Scale Tests for the Allegheny Power System 500-kV Tower-Insulation System , 1966 .

[21]  I. B. Johnson,et al.  Switching of Extra-High-Voltage Circuits II-Surge Reduction with Circuit-Breaker Resistors , 1964 .

[22]  T. Udo,et al.  Minimum Phase-to-Phase Electrical Clearances for Substations Based on Switching Surges and Lightning Surges , 1966 .

[23]  R. S. Gens,et al.  Application of New Concepts to 500-Kv System Insulation Co-ordination , 1964 .