Voltage Induction in Parallel Transmission Circuits
- 1 April 1962
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems
- Vol. 81 (3) , 921-929
- https://doi.org/10.1109/AIEEPAS.1962.4501454
Abstract
General formulas are developed with calculation examples for determining the positive-, negative-, and zero-sequence voltage induced in transmission circuits paralleled either on the same tower or on adjacent towers. For nontransposed lines the induced voltages are a function of all three sequence currents. The positive-and negative-sequence mutual impedance is less than 10% of the self-impedance of the lines while the zero-sequence mutual impedance can be as high as 50 to 70% of the zero-sequence self-impedance of the lines. The conductor configuration should be symmetrical around a vertical axis to avoid differences in the induced voltages in the two circuits.Keywords
This publication has 1 reference indexed in Scilit:
- Negative-Sequence Directional Ground RelayingTransactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems, 1962