A
BBREVIATION
/G
LOSSARY
User’s Manual
25
7
ABBREVIATION/GLOSSARY
Abbreviations are explained within the text where they appear the first time. Most common abbreviations and expressions are explained
in the following table:
Term
Explanation
RMS
Root Mean Square value
TRMS
True Root Mean Square value
MODBUS
Industrial protocol for data transmission
MiQen
Software for Iskra MIS instruments
AC
Alternating voltage, current
DC
Direct voltage, current
THD
Total harmonic distortion
MD
Measurement of average values in time interval (Maximum Demand)
M
v
− Sample factor
Defines a number of periods for measuring calculation on the basis of measured frequency
M
p
− Average interval
Defines frequency of refreshing displayed measurements on the basis of a Sample factor
Hysteresis expressed as
percentage [%]
Percentage specifies increase or decrease of a measurement from a certain limit after exceeding it.
List of common abbreviations and expressions