Electrical transmission or interconnection systems – Conductor arrangements or structure
Patent
1977-02-14
1978-10-10
Schaefer, Robert K.
Electrical transmission or interconnection systems
Conductor arrangements or structure
219209, H02J 1100
Patent
active
041198662
ABSTRACT:
A high-voltage electrical network comprises neutral conductors, at least two of them being grounded, and at least two ground circuits, at least one of them being connected to a neutral conductor and functioning as a first operational grounding means which is a part of a circuit for melting the icing by direct current on one of the lines of the high-voltage electrical network. The ice melting circuit is also provided with at least one more series-connected operational grounding means, a heated circuit of a high-voltage electrical network, a device for melting the icing by direct current on one of the lines of the high-voltage electrical network and a ground used as a return conductor. The high-voltage electrical network, additionally comprises at least one device, for preventing the direct current from flowing to the neutral conductors of the high-voltage electrical network, connected to one of the neutral conductors, coupled to one of the ground circuits used as an operational grounding means and forming a part of a circuit for melting the icing on one of the lines of the high-voltage electrical network by direct current, and to the same ground circuit.
REFERENCES:
patent: 2240772 (1941-05-01), Hampe et al.
Belozerov Jury Nikolaevich
Genrikh Georgy Andreevich
Gorelin Evgeny Vasilievich
Khrusch Petr Romanovich
Kovalenko Dmitry Korneevich
Ginsburg Morris
Schaefer Robert K.
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