GI
General interrogation command
GIS
Gas-insulated switchgear
GOOSE
Generic object-oriented substation event
GPS
Global positioning system
HDLC protocol
High-level data link control, protocol based on the HDLC standard
HFBR connector type Plastic fiber connector
HMI
Human-machine interface
HSAR
High speed autoreclosing
HV
High-voltage
HVDC
High-voltage direct current
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 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
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
IP20- Protected against solidforeign objects of12.5mm diameter
andgreater.
IP 40
Ingression protection, according to IEC standard, level IP40-Protected
against solid foreign objects of 1mm diameter and greater.
IP 54
Ingression protection, according to IEC standard, level
IP54-Dust-protected,protected againstsplashing water.
1MRK 511 244-UUS A
Section 4
Glossary
DNP, 650 series
47
Point list manual
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