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논문 기본 정보

자료유형
학술저널
저자정보
Kanzi, Khalil (K.N. Toosi Branch, ACECR, K. N. Toosi University of Technology) Kanzi, Majid (K.N. Toosi Branch, ACECR, K. N. Toosi University of Technology) Nafissi, Hamidreza (K.N. Toosi Branch, ACECR, K. N. Toosi University of Technology)
저널정보
대한전기학회분과 국제 전기 기기 및 시스템 논문지 국제 전기 기기 및 시스템 논문지 제2권 제1호
발행연도
2013.1
수록면
57 - 64 (8page)

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The functional characteristic of LISN circuit, which is used for measurements of conductive noise in mains power line, is basically related to frequency characteristics of passive elements like inductors used in the circuit as well as the frequency response of inductors is highly related to the resins used in the varnishing process. The significant problem in determination of an inductor's frequency characteristic is the intrinsic resistance, inductance and parasitic capacitance. In this triplet, the parasitic capacitance is the major limiting factor of inductor's frequency range. This capacitance depends on inductor design parameters and materials filling the spaces of coil like resin and its coherency after curing process. In this paper, two similar inductors were designed and built. The first inductor was not varnished while the second one was varnished with VPI technology. VPI, or Vacuum, Pressure, Impregnation technology is one of the most reliable methods performing good insulating conditions for electrical circuits and windings based on resins. The measured results show that implying varnishing technology does not significantly affect the frequency response. However, due to mechanical solidity aspects and improved environmental protection, it is better to varnish the inductors.

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