Chapter 1 Introduction
Accura 2300S/2350-1P3FSC User Guide
Page 16
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Accura 2350-1P3FSC-DIZCT Module Monitoring Leakage Current for Each Single-phase
Feeder and the Trip Status of the MCCB
As an expansion module of Accura 2350-1P3FSC module, Accura 2350-1P3FSC-DIZCT is the optional
single-phase, three-feeder power measuring module that monitors leakage current for each feeder and
the trip status of the MCCB. It not only enables efficient energy management but also ensures the
continuity of the power supply and the safe use of electrical equipment.
Accurate Measurements:
±
0.2 %/
±
0.5 % of Reading(Volt-age/Current) and Class
0.5S(Active Energy)
Due to greenhouse gas emission regulations, it has recently become essential to establish enterprise-
wide energy management systems for efficient energy usage at sites such as plants, manufacturing
factories, and buildings.
A key factor determining the reliability of energy management systems is the measurement accuracy of
meters. Accura 2300S/2350 perform accurate voltage/current measurements with
±
0.2/
±
0.5%
1
of
reading accuracy. It also meets IEC 62053-22 Class 0.5S standards for active energy measurement. Thus,
this allows for accurate analysis and diagnosis of various problems in energy management at power
facilities.
1. The maximum accuracy error of
±
1 % may occur according to the position of the holes
cables pass through.
A Variety of Data including Dip(Sag)/Swell Available for Power Quality Analysis
Accura 2300S/2350 provide a variety of data, including dips(sags), swells and harmonics(up to 40th
order), crest factor, K-factor, and unbalance for power quality analysis. It allows energy managers to
easily identify changes in power quality in various distribution panels at power facilities, enabling
effective power quality management.
Maximum/
M
inimum/Average Values Available within an Aggregation Interval
Accura 2300S/2350 calculate the average of the data collected every 0.5 seconds based on the data
measured over one cycle for various parameters, including voltage, current, and power. Based on this
data, it also provides the maximum/minimum/average values for various aggregation intervals, including
1 second, 5 seconds, 1 minute, 5 minutes, 1 hour and 6 hours. A measurement interval longer than 0.5
seconds refers to an aggregation interval.
Via communication, Accura 2300S/2350 provide not only the average value for the 0.5-second interval
but also the maximum/minimum/average values for each aggregation interval and timestamped data
for the max/min values. Since it includes measurement data that change instantaneously during
aggregation intervals, it allows for accurate trend analysis of voltage, current and power quality.
Summary of Contents for ACCURA 2300S
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