I.S. EN 50065-7:2002
Current
The latest, up-to-date edition.
SIGNALLING ON LOW-VOLTAGE ELECTRICAL INSTALLATIONS IN THE FREQUENCY RANGE 3 KHZ TO 148,5 KHZ - PART 7: EQUIPMENT IMPEDANCE
Hardcopy , PDF
English
01-01-2002
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Introduction
1 Scope
2 Normative references
3 Definitions
4 Requirements
5 Test method
5.1 General
5.2 Test conditions
5.3 Impedance analyser measuring method
5.4 Voltage ratio method
Annex A (informative) Signalling on low voltage electrical
installations in the frequency range 3 kHz to
148,5 kHz, potential problems
Annex B (informative) Minimum value of the equipment impedance
B.1 Consumer's network impedance
B.2 Type 1 & 2 equipment impedance versus environment
B.3 Minimum value of the equipment impedance
Annex C (informative) Impedance measurement method with impedance
analyser
C.1 Theory
C.2 Practice
Annex D (informative) Analysis of voltage ratio method for impedance
measurement
D.1 Introduction
D.2 Principle of the voltage ratio method
D.3 Measuring notes
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