Towards model-driven CIM-based data exchange for DSOs

Ascher, Dominik; Kondzialka, Christoph

doi:10.1186/s42162-018-0032-4

Cited by 6 publications

(7 citation statements)

References 20 publications

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“…In this paper we are starting from the existing protocols for electricity grids to validate that they are sufficient in realworld scenarios. Similar to [7], we conclude that the existing CIM standards can be used for the complementary use case of coordinated voltage control.…”

Section: Introductionsupporting

confidence: 66%

“…A common model of business and system roles and a common ontology should be used to identify the information that needs to be exchanged. In [7], a model based approach with a domain analysis of DSOs is used to derive the requirements on CIM profile and middleware for DSO applications. Both [5] and [6] point out that design principles and solutions developed for the Internet of Things (IoT) are beneficial to apply also for smart grids.…”

Section: Introductionmentioning

confidence: 99%

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Challenges of TSO-DSO Voltage Regulation Under Real-Time Data Exchange Paradigm

Degefa¹,

Lundkvist²,

sanchez-acevedo³

et al. 2022

Preprint

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<p>As conventional power generation units are being replaced with distributed energy resources, operational practices such as voltage regulation and congestion management are expected to be challenging. To address these challenges, regular and automated inter-control centre operational coordination will be needed between Transmissions and Distributions System Operators (TSO and DSO). In this study, the data exchange required for the near-real-time operational coordination is investigated for a reactive power management use case. A realistic ICCP/TASE 2 protocol is implemented in laboratory environment where the physical network is simulated in a real-time simulator while optimal set-points are communicated from the control centers to simulated assets being communicated through the IEC 60870-5-104. In addition, the sufficiency of the Common Information Model (CIM) and Common Grid Model Exchange Standard (CGMES) is evaluated for TSO-DSO network data exchange. The results from the cyber-physical test setup show that the detailed DSO grid model knowledge by the TSO results in lower system losses. Such data can be difficult to prepare, exchange and compute. However, results show that simplified equivalent models can be acceptable if they are properly tailored to the specific use case. The experiences from the CIM implementation with the CGMES profile are found out to be sufficient for such operational data exchange.</p>

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Section: Introductionsupporting

confidence: 66%

Section: Introductionmentioning

confidence: 99%

Challenges of TSO-DSO Voltage Regulation Under Real-Time Data Exchange Paradigm

Degefa¹,

Lundkvist²,

sanchez-acevedo³

et al. 2022

Preprint

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show abstract

“…CIM: In the research project "ESOSEG" [9], a CIM-based model-driven framework was developed and demonstrated to enable standardized data exchange between various data systems for different services within a DSO company [44]. A similar CIM-based system architecture was used in [45] to develop a distribution system application platform based on CIM model conversion.…”

Section: Concepts For Des Data Model Integration In Dso Data Systemsmentioning

confidence: 99%

“…An overview of the existing legislation and standards for the communication and control of photovoltaic systems (PV) in different countries is provided in [5] (pp. [39][40][41][42][43][44], concerning the integration of PV in smart grids from a global perspective.…”

Section: Introductionmentioning

confidence: 99%

Implementation and Test of an IEC 61850-Based Automation Framework for the Automated Data Model Integration of DES (ADMID) into DSO SCADA

et al. 2022

Self Cite

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As a result of the energy transition, an increasing number of Decentralized Energy Systems (DES) will be installed in the distribution grid in the future. Accordingly, new methods to systematically integrate the growing DES in distribution power systems must be developed utilizing the constantly evolving Information and Communication Technologies (ICT). This paper proposes the Automated Data Model Integration of DES (ADMID) approach for the integration of DES into the ICT environment of the Distribution System Operator (DSO). The proposed ADMID utilizes the data model structure defined by the standard-series IEC 61850 and has been implemented as a Python package. The presented two Use Cases focus on the Supervisory Control and Data Acquisition (SCADA) on the DSO operational level following a four-stage test procedure, while this approach has enormous potential for advanced DSO applications. The test results obtained during simulation or real-time communication to field devices indicate that the utilization of IEC 61850-compliant data models is eligible for the proposed automation approach, and the implemented framework can be a considerable solution for the system integration in future distribution grids with a high share of DES. As a proof-of-concept study, the proposed ADMID approach requires additional development with a focus on the harmonization with the Common Information Model (CIM), which could significantly improve its functional interoperability and help it reach a higher Technology Readiness Level (TRL).

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“…Another solution provides data from various software systems installed at a distribution system operator via adapters. These adapters provide the data as a CIM data model through REST (Representational State Transfer) [25]. An alternative approach to increasing the interoperability of a grid operator is to create a reference architecture.…”

Section: Related Workmentioning

confidence: 99%

Secure and Performant Handling CIM-Based Data Streams in Control Room Software Interaction for Multi Vendor Solutions

Requardt¹,

Berg²,

Braun³

2020

IIM

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Due to the increasing share of renewable energy, new requirements are placed on control room software. Such software is often exclusive to the supplier, but other suppliers could offer new and better methods. For security reasons, external applications often have no direct data access to control room software. Such software can provide information about the power grid via a periodic file transfer in CIM (Common Information Model) format. These files are often very large, containing complete records, delivering information not always relevant to the external applications. Extracting the relevant information required by external applications can be time-consuming, thus presenting a problem for time-critical applications. This paper presents a method allowing different applications to efficiently access the relevant data from the massive data stream contained in the CIM files. This method has been tested with a distribution system operator and clearly increases performance, allowing different applications to access the relevant data.

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Towards model-driven CIM-based data exchange for DSOs

Cited by 6 publications

References 20 publications

Challenges of TSO-DSO Voltage Regulation Under Real-Time Data Exchange Paradigm

Challenges of TSO-DSO Voltage Regulation Under Real-Time Data Exchange Paradigm

Implementation and Test of an IEC 61850-Based Automation Framework for the Automated Data Model Integration of DES (ADMID) into DSO SCADA

Secure and Performant Handling CIM-Based Data Streams in Control Room Software Interaction for Multi Vendor Solutions

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