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Schneider Alumni (Retired)
Ankit_Acharya
since
2020-07-17
What does it mean by Generic Object Oriented Substation Events (GOOSE) via IEC 61850?
2020-06-23 08:59 PMIEC 61850 defines an abstract object model for substations and methods to access these objects on a network. The abstract object model represents the SAS functionality in terms of logical nodes (LN) within the logical devices that are allocated to th…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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What’s the latest Evolution of Substation automation System (SAS) due to IEC 61850?
2020-07-17 01:35 AMIEC 61850 SAS with station bus (around 2005): The IEC 61850 family of substation communication systems standards were released in the early 2000s. These standards promoted Ethernet based bay level (between bay and station level) and process-level (be…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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How important is to follow complete IEC 61439-3 standard for LV applications?
2020-06-10 04:24 AMIf we follow 61439-3, we will adhere to complete system level testing. which is more closer to real time use case. There is a possibility that, products are good individually but when put in system, they behave differently and may not meet all the es…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
What’s the difference between IEC 61850 station bus & process bus?
2020-06-17 06:47 AMThe process level is separated from bay level by a process interface called process bus. Process IEDs are connected to bay IEDs via process bus. Process bus is typically an optical link, replacing the hardwired process interface that conventionally l…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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Evolution in IEC 62271-100 (expected publication in 2021)
2020-06-17 06:53 AMStandard is getting updated for the solidly earth system for SC test duties. It is defining the additional test requirement for solidly earth system during 100% rating of symmetrical earth fault ( TD100S) and asymmetrical earth fault (TD100a). Implic…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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What’s the communication performance of SAS with IEC61850
2020-06-23 11:44 PMAll the IEDs were configured as per their intended run time functionality. For example, real IED1 receives binary inputs from the external world. Upon receiving the binary input, IED1 triggers GOOSE message to another real IED2. It also sends the sam…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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What are the typical feature of IEC61850?
2020-07-16 10:56 PMTypical features of IEC 61850 are listed below: Interoperability: Different vendors are allowed to provide complete integration of monitoring, protection and control functions within one or two IEDs. Free Configuration: Any possible number of substat…View more
Posted by: Ankit_Acharya in Power Distribution and Digital
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