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IEC - 61557-3

Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 3: Loop impedance

active, Most Current
Organization: IEC
Publication Date: 1 July 2019
Status: active
Page Count: 26
ICS Code (Power transmission and distribution networks in general): 29.240.01
ICS Code (Measurement of electrical and magnetic quantities): 17.220.20
ICS Code (Electrical insulation in general): 29.080.01
scope:

This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded.

Document History

61557-3
July 1, 2019
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 3: Loop impedance
This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or...
January 1, 2007
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 3: Loop impedance
This part of IEC 61557 specifies the requirements applicable to equipment for measuring the loop impedance between a phase conductor and the protective conductor or between a phase conductor and...
February 1, 1997
Electrical Safety in Low Voltage Distribution Systems up to 1000 V a.c. and 1500 V d.c. - Equipment for Testing, Measuring or Monitoring of Protective Measures - Part 3: Loop Impedance
A description is not available for this item.

References

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