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Power (Logging Functions A, P only) P, S, |P|
Active power P
Distorting power D
Max value
Min value
Phase uncertainty
Conditions
Harmonics
V
, I
, THDV, THDI per IEC/EN 61000-4-7, class B
m
m
Voltage harmonics (function A)
intrinsic uncertainty:
Current harmonics (function A)
intrinsic uncertainty
THDV (function A) intrinsic
uncertainty at V
THDV (function P) intrinsic uncertainty
at V
N
THDI (functions A, P) intrinsic
uncertainty at I
I
Statistics
Frequency
Interharmonics
Analysis of logging data
Programming and analysis is done by PQ Log software on PC.
As per EN 61036, class 2
As per EN 61268, class 2 (A-version only)
Highest value per interval
Smallest value per interval
< 0.3 degrees
Conductor centered within clamp jaws or
Flexi Set
N
Power Quality Logger
Technical Specifications
For V
< 3% V
: < 0.15% V
m
N
For V
≥ 3% V
: < 5% V
m
N
For I
< 10% I
: < 0.5% I
m
N
For I
≥ 10% I
: < 5% I
m
N
For THDV < 3%: < 0.15%
For THDV ≥ 3%: < 5%
For THDV < 3%: < 1%
For THDV ≥3%: < 5%
For THDI < 3%: < 2%
For THDI ≥ 3%: < 5%
42 classes for 10 s mean values
Ripple-control signals
21 classes for 3 s mean values
N
m
N
m
53
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