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IEC
61850 SCL Manager Details
Kalki
SCL Manager is the leading Substation Configuration Software Platform,
that enables implementation of complete configuration and engineering
schemes as per IEC 61850. It covers the functional components of System
Configuration, IED Configuration and Engineering Workspace to a great
extent. Kalki SCL Manager can also be used to create capability
description files of any new IED which completely follow SCL as
described in IEC 61850.
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IEC 61850 Substation Configuration Language and Engineering
Standard and implication on new substations.
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Designing IEC 61850 Substation using SCL Manager.
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Key Functionality
System Specification
The system specification as per IEC 61850
covers definition of complete electrical system interconnections (SLDs)
required for a substation and defining the functionalities (Logical
Nodes) that need to be performed by each element or group of elements
together. Creating substation specification in SCL Manager involves the
following steps
-
Draw
complete SLD using the graphical interface available in SCL Manager.
This involves creation of substation elements and its interconnection
using connectivity node (point or bus-bar).
-
Choose the functionality required on each
element of substation which is done by selection of suitable Logical
Nodes (LNs) from the list of logical nodes.
-
Save the complete system specification as
System Specification Description (.SSD) file.
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Private Node Support
Substation
Configuration
The substation configuration consists of
linking the functionality elements described in the system
specification to the actual functional points (LNs under the IEDs)
& description of complete communication schemes. Following steps
are needed in SCL Manager for completing the Substation Configuration.
-
Load the file containing complete system
specification (.SSD) or create the complete specification using system
specification feature.
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Create IED sections which are needed for the
substation.
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Import the specific ICD to each IED section
& define the communication attributes for the specific IED. This
will create the actual data and functional points for the complete
substation.
-
Link the substation functionalities defined
in the specification to the actual functional points. It is achieved by
linking the LNs available in the substation elements to the LNs of
loaded IEDs.
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Save the complete substation configuration in
Substation Configuration Description (.SCD) file.
IED
Capability Description
This functionality is required if SCL Manager
is used to configure any new vendor device which does not have an ICD
but will completely work depending on the configuration file created as
per SCL standards. This is especially applicable for Protocol Gateways
having IEC 61850 server and a user configuration file as per SCL are
required for its suitable working. This is also applicable for IEC
61850 implementation in an already existing IED. The ICD file of the
device for system configurator and CID file that need for the device
can be generated from Kalki SCL Manager which requires the following
steps.
-
Define an IED section.
-
Create separate logical divisions (LDs)
within the physical device as required based on the application &
add mandatory functions (LNs - LLN0 & LPHD) with required data
& attributes under each logical divisions. E.g.: A physical device
related to the protection can have logical divisions of measurement
(MEAS), protection (PROT) and disturbance (DIST).
-
Add other functionalities (LNs) related to
the logical division by choosing the same from the template and select
the required data & attributes. E.g.: Measurement logical division
can have MMXU, MMXN, MDIF LNs , Protection logical division can have
PTOC, PDIF, PTEF LNs and disturbance logical division can have RDRE,
RADR, RBDR LNs.
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Assign /change the default values for various
elements like control model by adding / editing data object instances
(DOI) under each logical nodes.
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Create required data sets under each logical
device and attach data to the same from different LNs using FCDA.
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Define required Report Control Blocks under
each logical node and attach the relevant data set to the same.
- Define required Log control blocs under each
logical node and attach the relevant dataset to it.
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Define required GSE control blocks under LLN0
and associate the suitable dataset to the same.
- Define required SMV control blocks under LLN0
and associate the suitable dataset to it.
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Save the project and export each IED file as
.ICD / .CID as per the requirement.
Mapping
external signals
Mapping
external signals involves the mapping of source data coming through
control blocks like GSE, RCB to destination data points available under
logical nodes of different IEDs. Mapping of external signals requires
the following steps.
-
Load the
file containing complete substation configuration (.SCD) having
multiple IED sections & choose option for mapping external signals.
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Source
Selection -- Select the source IED, type of data transfer (GSE, RCB or
Specific LN) & choose the data tag coming under GSE, RCB or LN.
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Destination
Selection -- Map the specific tag to the destination logical node.
Select destination IED, LN and choose automatic or manual entry for the
destination identifier.
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Save the
project and export the complete substation configuration with external
signal information as .SCD file.
Other
Functions
The other functionalities available in Kalki
SCL Manager are as follows.
-
Validate SCL
files – User can validate any SCL file (SCD, SSD, ICD or CID) by just
choosing validate option and selecting the file. The validation results
are logged into separate window indicating the complete error details.
- Generate IED / Substation Tags - User can generate
complete IED / Substation tags from loaded SCD / SSD files in the CSV
file. It can be saved to files which can be used for client
applications.
- Document Generation - User can have the documentation of
the complete project with relevant information of all SLD's and IED
details.
- History Viewer - Use can have the complete control of the
project by viewing and comparing of old project archives stored.
Sub Modules
IED Database
SCL Manager have an intenral repository of sample IED
files and the IED documentation as is available in the public domain.
This IED database can be maintained by the System Integrator, OEM or
the Utility to manage the various types of IED's as well as their
specific ICD files as used in various projects. The following are the
key aspects of the IED database:
- Adding IED Vendor (Manufacturer) and their details into
the IED database.
- Adding IED and ICD file organized under the Vendors
- Selecting the functionalities support by an IED
- Adding the supporting files against each IED Model. The
Supporting files maybe files like IED datasheet, manuals, firmware of
the IED
- Adding BOM details of the IED
- Adding terminal details of the IED. Terminal details will
have terminal identification name, terminal type etc.,
File Types
SCL Manager allows user to create the
following file formats as defined in IEC 61850 standards:
-
IED Capability
Description (.ICD) File. It defines complete capability of an
IED. The file contains a single IED section, an optional
communication section and an optional substation part which denotes the
physical entities corresponding to the IED.
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System
Specification Description (.SSD) File. This file contains complete
specification of a substation automation system including single line
diagram for the substation and its functionalities (logical nodes).
This will have Substation part, Data type templates and logical node
type definitions but need not have IED section.
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Substation
Configuration Description (.SCD) File. This is the file describing
complete substation detail. It contains substation, communication, IED
and Data type template sections. An .SSD file and different .ICD files
contribute in making an SCD file.
- Configured IED Description (.CID) File. It is a file used to have communication
between an IED configuration tool to an IED. It can be considered as an
SCD file stripped down to what the concerned IED need to know and
contains a mandatory communication section of the addressed IED
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