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¿µ¹® Ç¥Áظí The Calculation Method of Shielding Coefficient by the Types of Installation to the Electromagnetic Induction Voltage of Telecommunication Line by a Power Line
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¿µ¹® ³»¿ë¿ä¾à There are a conductive line, sheath layer of telecommunication line and rail road which can give shielding effect to an induced voltage. This standard gives calculation methods of shielding coefficients by those facilities.
A telecommunication cable can consist of several group of inner cables. Interrelationship of those cables also can give a redution effect to an induced voltage. A calculation method of this case is also provided.
Bidirectional current effect can be generated when a power current gets in a fault state becuase opposite direction of current rises to also opposite electromagnetic forces to a telecommunication line. The effect is also reflected.
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°ü·ÃÆÄÀÏ    TTAK.KO-04.0208.pdf TTAK.KO-04.0208.pdf
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