H - Electricity – 04 – B
Patent
H - Electricity
04
B
340/79
H04B 3/54 (2006.01) H04B 3/56 (2006.01)
Patent
CA 1081815
DISTRIBUTION NETWORK POWER LINE COMMUNICATION SYSTEM ABSTRACT OF THE DISCLOSURE A distribution network power line communication system which includes coupling means for applying a car- rier current communication signal to the polyphase primary distribution conductors with a proportional relationship between the signal voltages applied to the various conduc- tors selected to provide a predetermined propagation mode. Impedance elements are connected between the conductors at selected points remote from the coupling point, such as at the location of unbalanced loads, line taps, branches, capa- citor banks, distribution transformers, and other line dis- continuities which may cause mode conversion. The impedance elements are selected and connected to re-establish the predetermined propagation mode.
265789
Haley Paul H.
Whyte Ian A.
Mcconnell And Fox
Westinghouse Electric Corporation
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