NP45-09 User’s Guide
17
The settings are grouped in four functional sections which are explained respectively
as below:
【
F1
】
: set wiring configuration.
【
F2
】
: set nominal frequency.
【
F3
】
: set nominal voltage.
【
F4
】
: set clamp type.
【
F5
】
: to set monitor limit value: recall, save and define the limit value required
in monitoring the power quality.
Monitor limits
The Analyzer presets a set of limits according to EN50160 standard, and reserves two
user-defined options, which the users can modify under EN50160 standard set of
limits and save as user-defined set of limits.
Limits Adjustments
Voltage
2 probability percentages (100% and adjustable): each with
adjustable upper and lower limits.
Harmonics
For 2-25 harmonics and THD 2 probability percentages (100%
and adjustable): each with adjustable upper limit.
Flicker
Weighing curve (lamp type). 2 probability percentages (100%
and adjustable): adjustable percentage with adjustable upper
limit.
Dips (*)
Threshold, hysteresis, allowed number of week.
Swells (*)
Threshold, hysteresis, allowed number of week.
Interruption (*)
Threshold, hysteresis, allowed number of week.
Rapid Voltage
Change (*)
Voltage tolerance, steady time, minimum step, minimum rate,
allowed number of week.
Unbalance
2 probability percentages (100% and adjustable): adjustable
percentage with adjustable upper limit.
Frequency
2 probability percentages (100% and adjustable): each with
adjustable upper and lower limits.
(*): Setups are also valid for measuring mode.
2.8 Using Memory and PC
The Analyzer can save screens and data into its memory, and the users can view,
delete and copy them. The Analyzer can also be connected with a PC, through which
the remote control of the Analyzer is available.
SAVE interface
Press
【
SAVE
】
key can save current screenshot or measurement data.