Emergency control of system loads

THE SMALL MARGIN of reserve capacity existing throughout the electrical utility industry due to war and postwar shortages has created an increasing interest in methods of load reduction to meet temporary emergency conditions until normal capacity can be restored. Voltage and frequency reductions within limits will affect customers very minutely. However, the over-all reduction on a large system may be sufficient in most instances to avoid the necessity of interrupting load.

[1]  Frank I. Morgan.  An electrical governor , 1941, Electrical Engineering.

[2]  S. B. Crary,et al.  Supplementary control of prime-mover speed governors , 1942, Electrical Engineering.

[3]  J. E. McCormack,et al.  System Load Swings , 1941, Transactions of the American Institute of Electrical Engineers.

[4]  Edith Clarke,et al.  Stability limitations of long-distance A-C power-transmission systems , 1941, Electrical Engineering.

[5]  C. Concordia,et al.  Negative damping of electrical machinery , 1941, Electrical Engineering.

[6]  R. E. Pierce,et al.  Phase-Angle Control of System Interconnections , 1939, Transactions of the American Institute of Electrical Engineers.

[7]  J. E. McCormack,et al.  Frequency Control of Load Swings , 1942, Transactions of the American Institute of Electrical Engineers.

[8]  Robert Brandt,et al.  Theoretical Approach to Speed and Tie Line Control , 1947, Transactions of the American Institute of Electrical Engineers.

[9]  C. Concordia,et al.  Control of Tie-Line Power Swings , 1942, Transactions of the American Institute of Electrical Engineers.

[10]  Earle Wild.  Methods of system control in a large interconnection , 1941, Electrical Engineering.

[11]  C. K. Duff.  Control of load, frequency, and time of interconnected systems , 1945, Electrical Engineering.

[12]  W. O. Osbon.  A turbine-governor performance analyzer , 1941, Electrical Engineering.

[13]  J. B. McClure,et al.  Prime-mover speed governors for interconnected systems , 1941, Electrical Engineering.

[14]  A. C. Monteith,et al.  Power system governing — The problem , 1941, Electrical Engineering.

[15]  S. B. Crary,et al.  Effect of prime-mover speed governor characteristics on power-system frequency variations and tie-line power swings , 1941, Electrical Engineering.