ABB REB 551-C3*2.5, Руководство по установке и пусконаладке, Страница: 16 / 148

7
Introduction to the installation and
commissioning manual Chapter 1
Introduction
HystAbs Overexcitation level of absolute hysteresis as a percentage
HystRel Overexcitation level of relative hysteresis as a percentage
IBIAS Magnitude of the bias current common to L1, L2 and L3
IDBS Integrating dead-band supervision
IDMT Minimum inverse delay time
IDMTtmin Inverse delay minimum time in seconds
IdMin Operational restrictive characteristic, section 1 sensitivity, multiple Ibase
IDNSMAG Magnitude of negative sequence differential current
Idunre Unrestrained prot. limit multiple of winding1 rated current
ICHARGE Amount of compensated charging current
IEC International Electrical Committee
IEC 186A
IEC 60044-6 IEC Standard, Instrument transformers – Part 6: Requirements for pro-
tective current transformers for transient performance
IEC 60870-5-103 Communication standard for protective equipment. A serial master/slave
protocol for point-to-point communication
IEEE Institute of Electrical and Electronics Engineers
IEEE 802.12 A network technology standard that provides 100 Mbits/s on twisted-pair
or optical fiber cable
IEEE P1386.1 PCI Mezzanine Card (PMC) standard for local bus modules. References
the CMC (IEEE P1386, also known as Common Mezzanine Card) stan-
dard for the mechanics and the PCI specifications from the PCI SIG
(Special Interest Group) for the electrical
EMF Electro magnetic force
IED Intelligent electronic device
I-GIS Intelligent gas insulated switchgear
IL1RE Real current component, phase L1
IL1IM Imaginary current component, phase L1
IminNegSeq Negative sequence current must be higher than this to be used
INAMPL Present magnitude of residual current
INSTMAGN Magnitude of instantaneous value
INSTNAME Instance name in signal matrix tool
IOM Binary Input/Output module
IPOSIM Imaginary part of positive sequence current
IPOSRE Real component of positve sequence current
IP 20 Enclosure protects against solid foreign objects 12.5mm in diameter and
larger but no protection against ingression of liquid according to
IEC60529. Equivalent to NEMA type 1.