Insulated bus bar assembly in a voltage source converter
First Claim
1. An insulated bus bar assembly in a voltage source converter system, the bus bar assembly comprising:
- conductor bars closely spaced for minimizing the generation of induced voltage in the assembly, the conductor bars comprising an elongated central conductor bar sandwiched between two side conductor bars in a plane parallel assembly, wherein a gap between adjacent conductor bars is completely filled by a polymer insulator that is braced in longitudinal contact with a planar side of the central conductor bar and an opposing, planar side of the adjacent side conductor bar, respectively, said polymer insulator comprising a single piece polymer insulator including a trough-like configuration for surrounding coverage of each side conductor bar about three sides thereof leaving a fourth side open for free access.
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Abstract
The invention relates to a voltage source converter system, and includes a plane parallel bus bar assembly having conductor bars closely related for reducing induced voltage in the assembly. Each gap that is formed between adjacent conductor bars is completely filled by a polymer insulator which is formed for providing complete freedom of access to fully exposed external sides of the bus bar assembly. The invention also relates to a molded, single piece polymer insulator including an elongate rib member of continuous height and thickness, and elongate wing members angularly extended from each longitudinal periphery of the rib member.
20 Citations
6 Claims
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1. An insulated bus bar assembly in a voltage source converter system, the bus bar assembly comprising:
conductor bars closely spaced for minimizing the generation of induced voltage in the assembly, the conductor bars comprising an elongated central conductor bar sandwiched between two side conductor bars in a plane parallel assembly, wherein a gap between adjacent conductor bars is completely filled by a polymer insulator that is braced in longitudinal contact with a planar side of the central conductor bar and an opposing, planar side of the adjacent side conductor bar, respectively, said polymer insulator comprising a single piece polymer insulator including a trough-like configuration for surrounding coverage of each side conductor bar about three sides thereof leaving a fourth side open for free access. - View Dependent Claims (2, 3, 4)
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5. A voltage source converter system comprising:
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a direct voltage source, converter valves and a bus bar assembly for supplying direct current from the direct voltage source through the converter valves; said bus bar assembly having plane parallel conductor bars closely spaced in side by side alignment, and an insulator element braced in longitudinal contact with each planar side of a central conductor bar and an opposing, planar side of each one of two adjacent side conductor bars, respectively, of the bus bar assembly; the conductor bars and insulator elements being clamped together to form an insulated, plane parallel bus bar assembly, wherein each insulator element is a molded, single piece polymer insulator having a trough-like configuration for substantially surrounding coverage of each side conductor bar about three sides thereof, leaving a fourth side open for free access and connection of associated equipment. - View Dependent Claims (6)
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Specification