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This standard defines the overall concept of ABBET and specifies mandatory requirements for implementing ABBET. This standard is the base document for the family of standards and guides that together comprise ABBET. This standard spans the complete capability of ABBET and its family of standards and guides.

定价: 141元 / 折扣价: 120

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This document provides a recommended practice for the arrangement principle of measurement points, the method of measurement, the analysis of measurement data, and the evaluation of measurement results for the corridor of overhead power transmission lines in parallel mixed with alternating current (ac) and direct current (dc), which can provide guidance for monitoring electromagnetic environmental of power transmission lines, as well as engineering design and equipment selection. This document… read more is applicable to measure the electromagnetic environment of the joint region under the ac and dc parallel transmission lines, whose maximum distance shall not exceed 100 m, the voltage shall not be less than 100 kV for ac transmission line and ±400 kV for dc transmission line. read less

定价: 76元 / 折扣价: 65

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