The term telecontrol equipment and system refers to:
This standard refers to the use of international standards IEC 870 1 3 telecontrol equipment and system terminology
1 Topic content and scope of application
This standard stipulates some important terms for telecontrol equipment and systems transmitted by serial coding. It relates to telecontrol technology.
Main categories
This standard is applicable to the preparation of telecontrol standards and translation professional textbooks and books and telecontrol technologies for power systems.
Related fields can also refer to
2 Terms
2.1 Basic terms
2.1.1 Telecontrol telecontrol
The application of communication technology to accomplish the functions of telemetering, remote control and remote adjustment
2.1.2 Remote Measurement Telemetering
Application of communication technology to transmit measured values ​​of measured variables
Synonym Telemetry
2.1.3 teleindication, telesignalization
Application communication technology to complete the monitoring of equipment status information such as alarm status or switch position valve position
Synonym remote letter
2.1.4 remote command telecommand
Application communication technology to complete the command to change the operating device status
Synonym remote control
2.1.5 remote adjustment teleadjusting
Application of communication technology to complete control of operating equipment with more than two states
Synonym remote adjustment
Note Remote adjustment can be accomplished with repeated single-command double commands and setting commands
2.1.6 Remote monitoring telemonitoring
Application of communication technology to monitor the status of remotely operated equipment
2.1.7 Remotely Adjusting Teleegulation
Integrating remotely monitored and remotely commanded equipment into a closed-loop system usually includes an automatic decision section
2.1.8 remote instruction teleinstruction
Application of communication technology and telecontrol equipment to transmit scheduling instructions to plant operators
Note that remote commands are usually presented as images on controlled stations
2.1.9 Remote Switching Teleswitching
Application communication technology completes the control of operating equipment with two defined states
2.1.10 Remote cumulative telecounting, transmission of integrated totals
Application of communication technology to transmit an accumulated value that is measured to a specific parameter (such as time)
Note Remote accumulation refers to accumulation before transmission
2.1.11 Remote protection teleprotection
A broad concept of monitoring and command information exchange between two or more plant stations to achieve protection of operating equipment is specifically a carrier protection system microwave protection system communication assisted distance protection system.
2.1.12 telecontrol system
System for monitoring and controlling production processes in a wide area. It includes all functions and equipment for the collection, processing, transmission, and display of production process information.
2.1.13 data acquisition and monitoring system supervisory control and data acquisition (SCADA)
System for data collection, monitoring and control of production processes in a wide area
2.1.14 Question and answer remote system polling system, interrogative telecontrol system
A telecontrol system whose dispatching center or master station needs to obtain the monitoring information of the substation needs to ask the substation first and then the substation to answer it.
2.1.15 static telecontrol system
A telecontrol transmission system device is usually in a stand-still state to transmit information only when an event occurs
2.1.16 Selecting a Channel Remote System Channel
Refers to the way the dispatch center or master station switches the receiver or sender from one line to another to select the remote system of the substation.
2.1.17 Telecontrol network network in telecontrol
Several telecontrol stations communicate with each other through transmission links
2.1.18 Channel Channel
A single pass or a section of a frequency band that transmits a signal during data transmission
Synonym channel
Note In the broad sense, a path can be understood as the separation of frequency or time divisions and the term channel represents the transmission of a unidirectional path in both directions as a round-trip bidirectional path when transmitting in a single direction.
2.1.19 Monitoring direction monitoring direction
The direction from the monitored point to the surveillance point usually refers to the direction from the substation to the master station
2.1.20 Command direction command direction
The direction from the control end to the controlled end usually refers to the direction from the main station to the substation.
2.1.21 Telecontrol configuration telecontrol configuration
A combination of a master station and several substations and their links
2.1.22 point to point configuration
A configuration where a station and a station are connected through a dedicated transmission link
2.1.23 Multiple point to point configuration
A master station and each substation can exchange data at the same time when the dispatch center or master station is connected to multiple substations through its own link.
2.1.24 multipoint-star configuration
A configuration in which a dispatch center or a primary station is connected to multiple child stations allows only one child station to transmit data to the primary station at any time. The primary station can select one or more child stations to transmit data or can simultaneously transmit global messages to all child stations.
2.1.25 multipoint ring configuration multipoint-ring configuration
A configuration in which communication links between all stations are connected in a ring
2.1.26 multipoint-partyline configuration
A configuration where the dispatch center or primary station is connected to multiple substations via a common link. Only one substation can transmit data to the primary master station at any time. One or more substations can be selected to transmit data and can also be transmitted to all substations at the same time. Global messages
2.1.27 hybrid configuration,composite configuration
A combination of several telecontrol configurations
2.1.28 bus configuration omnibus configuration
A telecontrol configuration in which any one of several stations can communicate with any other station
2.1.29 dispatch center, load dispatching centre, control centre
Monitor the location of power transmission or distribution network operations
2.1.30 Telecontrol centre telecontrol centre
Controlling the location of the telecontrol network
2.1.31 Master station control station, controlling station
Station for remote monitoring of substations
2.1.32 Substation controlled station slave station, controlled station, remote station, outstation
Station monitored and controlled by the master station
2.1.33 Starting station primary station
Stations that start data transmission services
2.1.34 response station secondary station
Stations responding to remote data transmission service requests
2.1.35 Concentrator station
A telecontrol station that centrally forwards monitoring information of each substation to a master station in a telecontrol network and distributes the command information from the master station to each substation.
2.1.36 Transit station
An intermediate station transfers packets and signals through it
2.1.37 Protocol Protocol
In a telecontrol system, in order to correctly transmit information, there must be a set of conventions concerning information transmission order information format and information content. This set of conventions is called a statute.
Synonymous agreement
2.1.38 Link Link
Data transmission facilities between stations and stations
2.1.39 link layer link layer
The link is a layer of the Open Systems Interconnection Reference Model (OSI) that performs and controls the specified transport service functions with the link protocol.
2.1.40 basic functions
Handling of information exchange between telecontrol equipment and system and operating personnel
2.1.41 extended processing functions
Processing functions extended outside the basic functions in a telecontrol system
2.1.42 operation processing functions
The function of transforming the information of a running device into telecontrol signals and data
2.1.43 Application Functions application functions
A function that applies a telecontrol system to meet the special needs of the production process. Application functions are divided into basic functions and extended processing functions.
2.1.44 data transport functions, data transport services
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