PD IEC TR 63042‑303 specifies the measurement methods of UHV AC transmission line power frequency parameters. Specifically, PD IEC TR 63042‑303 aims to enable you to obtain accurate transmission line power frequency Parameters by performing a field measurement.
These measured parameters mainly include sequence parameters, mutual parameters between double-circuit lines, phase parameters and some other related parameters.
PD IEC TR 63042‑303 provides the guidance for measurement of UHV AC transmission lines power frequency parameters which include sequence parameters and phase parameters, etc. The measurement conditions, measurement methods, data process methods, safety requirements, etc. are all described.
PD IEC TR 63042‑303 on UHV AC transmission line power frequency parameters is useful for:
AC transmission line power frequency parameters are important basic data used for various power system's calculations and applications, including engineering design verification, commissioning, and operation.
It is difficult to obtain transmission line power frequency parameters exactly through theoretical analysis and calculation, because of the complication of geological conditions and long distance of UHV AC transmission lines. Hence, it is necessary to perform a field measurement in order to acquire the accurate power frequency parameters. PD IEC TR 63042‑303 provides you the guidance for calculating the UHV AC transmission line power frequency parameters accurately via field measurement. This includes the measurement methods, measurement conditions, data process methods, and safety requirements.
IEC/TR 63042-303 Ed.1.0