Power Quality Analyzer PowerPad
®
IV Model 8345
119
20.2 FORMULAS
20.2.1 RMS Values
The quantities are calculated in accordance with standard IEC 61000-4-30,
edition 3.0, § 5.2.1.
The RMS value includes the DC component.
20.2.2 Peak Values
20.2.3 Crest Factor
With Y
pkL
= max(|Y
pk
+
L
|,|Y
pk
-
L
|)
20.2.4 Levels of Harmonics and Interharmonics
The quantities are calculated in accordance with standard IEC 61000-4-7,
edition 2.0 A1, § 5.6.
Level of harmonics referred to the RMS value of the fundamental (%f):
Level of harmonics referred to the RMS value without DC (%r):
Level of interharmonics referred to the RMS value of the fundamental (%f):
Level of interharmonics referred to the RMS value without DC (%r):