Gear-shaped large-capacity harmonic-eliminating resistor
A harmonic elimination resistor and high-capacity technology, applied in the field of arresters, can solve the problems of large volume, small heat dissipation area, poor heat dissipation performance, etc., and achieve the effect of small size, increased heat dissipation area, and good anti-vibration and anti-shock performance.
Inactive Publication Date: 2009-09-16
南京伏安电力设备有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to solve the deficiencies of the existing harmonic elimination resistors such as small heat dissipation area, poor heat dissipation performance, and large volume, and to design a large surface area, good heat dissipation performance, large heat capacity, strong flow capacity, and reasonable structure. , Production and use of gear-shaped large-capacity harmonic elimination resistors
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[0011] The accompanying drawings disclose non-limiting specific embodiments of the present invention, which are further described as follows in conjunction with the accompanying drawings.
[0012] See attached Figure 1-2 , the number 1 in the figure is an insulating end cover, 2 is a silicone rubber cap, 3 is a fastening nut, 4 is a wiring bolt, 5 is a wiring board, 6 is a screw rod, 7 is a solid-core curved non-linear resistor, 8 is Metal base, 9 is a compression spring, and 10 is a sheet metal. The gear-shaped large-capacity harmonic elimination resistor of the present invention has a structure comprising at least two solid-core curved-edge non-linear resistors 7 connected in series, a metal base 8, a wiring board 5, an insulating end cover 1 and a screw rod 6, and the solid core One end of the curved non-linear resistor 7 is mounted on the metal base 8, the terminal board 5 is mounted on the other end of the solid curved non-linear resistor 7, the insulating end cover 1 i...
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The invention relates to a gear-shaped large-capacity harmonic-eliminating resistor. The structure mainly comprises at least two serially-connected solid curve edge-shaped nonlinear resistors, a metal base, a terminal board, insulating end enclosures and screws, wherein one end of the solid curve edge-shaped nonlinear resistors is arranged on the metal base, the terminal board is arranged on the other end of the solid curve edge-shaped nonlinear resistors, the insulating end enclosures are arranged on the terminal board, and the metal base and the insulating end enclosures are fixedly connected by at least two screws. The gear-shaped large-capacity harmonic-eliminating resistor has the advantages of simple and reasonable structure, good heat dispersion, high discharge current capability, excellent anti-seismic performance, small volume, light weight, convenient production and use, and the like, and is an upgraded product of the prior harmonic-eliminating resistor.
Description
technical field [0001] The invention relates to a resonance eliminator used in a power system and connected between the star-shaped connection neutral point of the instrument voltage transformer primary winding and the ground, and can play a damping role, especially using a nonlinear resistance element, which is nonlinear and Harmonic elimination resistors made of voltage transformer magnetic saturation nonlinear similar characteristics. It belongs to the field of lightning arresters. Background technique [0002] In order to measure or monitor the working condition of the power system whose neutral point is not grounded, it is usually necessary to connect an electromagnetic voltage transformer between the power system and the measuring instrument. And fuse transformer protection fuse, a non-linear damping resistor with suitable resistance and capacity can be connected between the neutral point of the primary winding of the voltage transformer and the ground, and the non-li...
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Inventor 岳志良岳建民
Owner 南京伏安电力设备有限公司