HSAR High speed autoreclosing
HV High-voltage
HVDC High-voltage direct current
ICT Installation and Commissioning Tool for injection based
protection in REG670
IDBS Integrating deadband supervision
IEC International Electrical Committee
IEC 60044-6 IEC Standard, Instrument transformers – Part 6:
Requirements for protective current transformers for
transient performance
IEC 60870-5-103 Communication standard for protective equipment. A serial
master/slave protocol for point-to-point communication
IEC 61850 Substation automation communication standard
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) standard for the mechanics and the PCI
specifications from the PCI SIG (Special Interest Group) for
the electrical EMF (Electromotive force).
IED
Intelligent electronic device
I-GIS Intelligent gas-insulated switchgear
IOM Binary input/output module
Instance When several occurrences of the same function are available
in the IED, they are referred to as instances of that function.
One instance of a function is identical to another of the same
kind but has a different number in the IED user interfaces.
The word "instance" is sometimes defined as an item of
information that is representative of a type. In the same way
an instance of a function in the IED is representative of a
type of function.
IP
1. Internet protocol. The network layer for the TCP/IP
protocol suite widely used on Ethernet networks. IP is a
connectionless, best-effort packet-switching protocol. It
provides packet routing, fragmentation and reassembly
through the data link layer.
2. Ingression protection, according to IEC standard
IP 20
Ingression protection, according to IEC standard, level 20
IP 40 Ingression protection, according to IEC standard, level 40
Section 19 1MRK 502 029-UEN A
Glossary
248
Installation and commissioning manual
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