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The standard deals with requirements for the erection of earthing systems of power installations with rated voltages above 1 kV and rated frequencies below 100 Hz. In details it contains: requirements for the dimensioning of earth electrodes and earthing conductors with respect to mechanical and thermal stability; limits for the touch voltage which have to be observed and measures to reduce touch voltages; specifications of the conductive parts which have to be earthed; criteria which must be fulfilled when connecting the low voltage system earth to the high-voltage system earth in high voltage substations; simple calculations and measuring methods to determine earthing resistances and related voltages; definitions of the terms used in the standard
Reģistrācijas numurs (WIID)
56641
Darbības sfēra
The standard deals with requirements for the erection of earthing systems of power installations with rated voltages above 1 kV and rated frequencies below 100 Hz. In details it contains: requirements for the dimensioning of earth electrodes and earthing conductors with respect to mechanical and thermal stability; limits for the touch voltage which have to be observed and measures to reduce touch voltages; specifications of the conductive parts which have to be earthed; criteria which must be fulfilled when connecting the low voltage system earth to the high-voltage system earth in high voltage substations; simple calculations and measuring methods to determine earthing resistances and related voltages; definitions of the terms used in the standard
