Abbreviations, and Acronyms
DIN
Deutsche Industrie Norm
dir
Directional
EINV
Extremely inverse tripping characteristic
EMC
Electromagnetic compatibility
EN
Europäische Norm
err. / Err.
Error
EVTcon
Parameter determines if the residual voltage is measured or calculated.
Ex
External
Ex Oil Temp
External Oil Temperature
ExBlo
External blocking(s)
ExP
External Protection - Module
ExP
External protection
Ext Sudd Press
Sudden Pressure
Ext Temp Superv
External Temperature Supervision
f
Frequency Protection Module
Fc
Function (Enable or disable functionality = allow or disallow.)
FIFO
First in first out
FIFO Principal
First in first out
fund
Fundamental (ground wave)
gn
Acceleration of the earth in vertical direction (9.81 m/s2)
GND
Ground
h
Hour
HMI
Human machine interface (Front of the protective relay)
HTL
Manufacturer internal product designation
Hz
Hertz
I
Phase Overcurrent Stage
I
Fault current
I
Current
I-BF
Tripping threshold
I0
Zero current (symmetrical components)
I1
Positive sequence current (symmetrical components)
I2
Negative sequence current (symmetrical components)
I2>
Unbalanced Load-Stage
I2T
Thermal Characteristic
I4T
Thermal Characteristic
IA
Phase A current
IB
Phase B current
IC
Phase C current
IC's
Manufacturer internal product designation
Id
Differential Protection Module
IdG
Restricted Ground Fault Differential Protection Module
IdGH
Restricted Ground Fault Highset Protection Module
IdH
High-Set Differential Protection Module
IEC
International Electrotechnical Commission
IEC61850
IEC61850
644
MRU4
DOK-HB-MRU4-2E