发明名称 |
VOLTAGE SENSING APPARATUS FOR MEDIUM-VOLTAGE ELECTRICAL POWER DISTRIBUTION SYSTEMS |
摘要 |
A molded voltage sensor is provided that achieves excellent sensing accuracy over a wide temperature range by molding primary and secondary capacitances of a voltage divider into a solid dielectric material and wherein the capacitances are preferably fabricated from the same material, or at least materials having nearly identical temperature coefficients of permittivity. In a preferred arrangement, a first member of dielectric material includes a conductive pattern on the outer surface thereof and an electrical connection attached to the conductive pattern. The first member is then molded into a predetermined location with respect to a centra l conductor and a layer of the dielectric molding material is also molded over the exterior of the first member. Another conductive pattern is formed on the over-molded layer. The overall assembly is then molded to form a body of the desired shape and provides insulation between t he conductor and the conductive patterns.
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申请公布号 |
CA2531252(A1) |
申请公布日期 |
2006.06.28 |
申请号 |
CA20052531252 |
申请日期 |
2005.12.21 |
申请人 |
S&C ELECTRIC COMPANY |
发明人 |
MULLIGAN, TIMOTHY J.;BARKER, JAMES W., JR. |
分类号 |
G01R15/06;G01R19/32 |
主分类号 |
G01R15/06 |
代理机构 |
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