Glossary - Siemens SIPROTEC 5 Series Hardware Description

Glossary

Control display
The control display becomes visible for devices with a large display after pressing the Control key. The diagram
contains the switching devices to be controlled in the feeder. The control display serves for implementing
switching operations. Specification of this diagram forms part of configuring.
DCF77
The precise official time is determined in Germany by the Physikalisch-Technische Bundesanstalt PTB in Bruns-
wick. The atomic clock unit of the PTB transmits this time via the long-wave time signal transmitter in Main-
flingen near Frankfurt/Main. The emitted time signal can be received within a radius of approx. 1500 km from
Frankfurt/Main.
GOOSE
Generic Object-Oriented Substation Event
Ground
The conductive ground whose electric potential can be set equal to 0 at every point. In the area of grounding
conductors, the ground can have a potential diverging from 0. The term reference ground is also used for
this situation.
Grounding
The grounding is the entirety of all means and measuring for grounding.
IEC
International Electrotechnical Commission
Parameterization
Comprehensive term for all setting work on the device. You can parameterize the protection functions with
DIGSI 5 or sometimes also directly on the device.
Protection Device
A protection device detects erroneous states in distribution networks, taking into account various criteria, such
as error distance, error direction or fault direction, triggering a disconnection of the defective network section.
RSTP
Rapid Spanning Tree Protocol
SNMP
Simple Network Management Protocol
SNTP
Simple Network Time Protocol
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-C, Edition 10.2017
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