CHAPTER 7: IEC 61850 PROTOCOL
7.3 IEC 61850 CONFIGURATOR
GEK-106310-AF
F650 DIGITAL BAY CONTROLLER
7-241
7.3.2.11 Generic substation event services - GSSE AND GOOSE
OVERVIEW
IEC 61850 specifies two types of peer-to-peer data transfer services: Generic Substation State Events (GSSE) and Generic
Object Oriented Substation Events (GOOSE). GSSE services are compatible with UCA 2.0 GOOSE. IEC 61850 GOOSE services
provide virtual LAN (VLAN) support, Ethernet priority tagging, and Ethertype Application ID configuration. The support for
VLANs and priority tagging allows for the optimization of Ethernet network traffic. GOOSE messages can be given a higher
priority than standard Ethernet traffic, and they can be separated onto specific VLANs. Because of the additional features
of GOOSE services versus GSSE services, it is recommended that GOOSE be used wherever backwards compatibility with
GSSE (or UCA 2.0 GOOSE) is not required.
Devices that transmit GSSE and/or GOOSE messages also function as servers. Each GSSE publisher contains a "GSSE
control block" to configure and control the transmission. Each GOOSE publisher contains a "GOOSE control block" to
configure and control the transmission. The transmission is also controlled via device settings. These settings can be seen
in the ICD and/or SCD files, or in the device configuration software or files.
IEC 61850 recommends a default priority value of 4 for GOOSE. Ethernet traffic that does not contain a priority tag has a
default priority of 1. More details are specified in IEC 61850 part 8-1.
IEC 61850 recommends that the Ethertype Application ID number be configured according to the GOOSE source. In the
F650, the transmitted GOOSE Application ID number must match the configured receive Application ID number in the
receiver. A common number may be used for all GOOSE transmitters in a system. More details are specified in IEC 61850
part 8-1.
In Enervista 650 Setup, select either GSSE or GOOSE messages in
Setpoint > Inputs/Outputs > Remote Comms
.
If GSSE is selected then GSSE settings are shown in
Setpoint > Inputs/Outputs > Remote Comms
menu.
If GOOSE is selected then the user should go to main menu and open the IEC 61850 Configurator tool.
GSSE CONFIGURATION
IEC 61850 Generic Substation Status Event (GSSE) communication is compatible with UCA GOOSE communication. GSSE
messages contain a number of double point status data items. These items are transmitted in two pre-defined data
structures named DNA and UserSt. Each DNA and UserSt item is referred to as a 'bit pair'. GSSE messages are transmitted
in response to state changes in any of the data points contained in the message. GSSE messages always contain the same
number of DNA and UserSt bit pairs. Depending the on the configuration, only some of these bit pairs may have values
that are of interest to receiving devices.
GOOSE CONFIGURATION
The F650 supports two types of IEC 61850 Generic Object Oriented Substation Event (GOOSE) communication: fixed GOOSE
and configurable GOOSE. All GOOSE messages contain IEC 61850 data collected into a dataset. It is this dataset that is
transferred using GOOSE message services. The dataset transferred using the F650 fixed GOOSE is the same data that is
transferred using the GSSE feature; that is, the DNA and UserSt bit pairs.
Mapping internal variables to transmitted DNA and UserSt bit pairs is done in Enervista 650 Setup menu
Setpoint > Relay
Configuration > Remote Outputs
. The fixed GOOSE dataset always contains the same DNA/UserSt data structure.
Mapping incoming DNA and UserSt bits to Remote Inputs for GSSE is done in
Setpoint > Inputs/Outputs > Remote
Comms
.
Mapping of incoming DNA and UserSt bits to Remote Inputs for Fixed GOOSE is done in the IEC 61850 Configurator tool.
Содержание F650
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