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Line parameters, such as positive sequence impedance, zero sequence impedance or k-factors, are important parameters of a line, which are required, for example, for the proper setting of a distance protection relay or fault location. Since the calculations of these values often show very large errors in the two-digit percentage range, measurement is a quick and cost-effective alternative. OMICRON’s CPC 100 + CP CU1 measuring system makes it possible to measure line impedance quickly and completely, so as to determine these values in less than 30 minutes.
Learn more about OMICRON's solutions in the area of Line Impedance
CPC 100 + CP CU1 line impedance measuring system
OMICRON’s multifunctional primary testing system CPC 100, in conjunction with the CP CU1 coupling unit, forms a unique system for quick and high-precision measurement of line impedances of overhead lines or high-voltage cables. The measuring system solves the problem of line frequency interference by generating a frequency that differs from that of the line frequency. Frequency-selective measurement is then achieved, i.e. frequencies other than the one generated, and thus, cannot influence the result.

