FIELD: electricity.
SUBSTANCE: invention refers mainly to power transmission lines, particularly to substation of power transmission system. Substation features converter including first set of serial converter gate elements between first and second potentials, so that absolute value of the second potential is higher than absolute value of the first potential, and second set of converter gate elements, including at least one converter gate element between second and third potential. Absolute value of the third potential is higher than absolute value of the second potential, and all converter gate elements of the second set are positioned inside one or more cases located on long pole-type isolation. Potential of pole-type isolation end where the cases are located lies between the second and third potentials, and the other end of the pole-type isolation has "earth" potential.
EFFECT: substation for high-voltage operations.
7 cl, 5 dwg
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