Real-Time Simulation of Communications and Power Systems for Testing Distributed Embedded Controls

Schoder, Karl; Cai, Ziyuan; Sundararajan, Sindhuja; Yu, Ming; Sloderbeck, M.; Leonard, Isaac; Steurer, M.

doi:10.1049/etr.2015.0022

Cited by 7 publications

(8 citation statements)

References 4 publications

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“…Equations of the transmission lines can also be explained in dq reference frame. Considering Figure 2, equations of line1 are given as an example in (13) and (14).…”

Section: Reactive Power Droop Gain and Stability Analysismentioning

confidence: 99%

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A new power sharing control method for an autonomous microgrid with regard to the system stability

Khaledian

Golkar

2018

Automatika

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To cite this article: A. Khaledian & M. Aliakbar Golkar (2018) A new power sharing control method for an autonomous microgrid with regard to the system stability, Automatika, 59:1, 87-93, ABSTRACTDroop control is the conventional way to share the demand power among the generators in a microgrid. Analyzing this control method shows that it has poor performance in reactive power sharing. Generated reactive power of each microsource depends on the active load demand. In this paper, a control method is proposed to improve the reactive power sharing performance. It is indicated that higher reactive power droop gains make the generated reactive power to be less influenced from the changes in active load. However, high droop gains can lead the system to instability. Hence considering eigenvalue analysis of the microgrid, a new auxiliary controller is proposed to damp the oscillations caused by high droop gains. In the new method, there is not the need for monitoring the grid impedance to tune the controllers. To verify the proposed method, load step is applied to a test microgrid and the results are shown. In the new method, total generated reactive power is reduced in comparison to the conventional droop controller and the system stability is maintained. ARTICLE HISTORY

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“…Equations of the transmission lines can also be explained in dq reference frame. Considering Figure 2, equations of line1 are given as an example in (13) and (14).…”

Section: Reactive Power Droop Gain and Stability Analysismentioning

confidence: 99%

“…This method has low reliability because of high dependency to the physical structures. Also, the cost of implementing of such a system is high and even non economical [12][13].…”

Section: Introductionmentioning

confidence: 99%

A new power sharing control method for an autonomous microgrid with regard to the system stability

Khaledian

Golkar

2018

Automatika

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“…It also allows to experiment with real-world issues such as noise, hardware weakness, randomness of event timings or communication issues. Smart grid testbeds for testing advance control logic [5] [6], are a development of CHIL for distributed control algorithms with advanced control logic and large-scale data communication.…”

Section: Fig 1 Web Of Cells Structure Examplementioning

confidence: 99%

“…At the same time CHIL is closer to a real implementation and therefore it's a step forward towards the final design of control algorithms. For the testing of the frequency control prototype, a CHIL simulation was implemented in a smart grid testbed [6] [7]. The main components of the CHIL environment used simulation of this work are:…”

Section: Chil Setupmentioning

confidence: 99%

Controller HIL testing of real-time distributed frequency control for future power systems

Guillo-Sansano

Syed

Roscoe

et al. 2016

2016 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)

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With the evolution of power system components and structures driven mainly by renewable energy technologies, reliability of the network could be compromised with traditional control methodologies. Therefore, it is crucial to thoroughly validate and test future power system control concepts before deployment. In this paper, a Controller Hardware in the Loop (CHIL) simulation for a real-time distributed control algorithm concept developed within the ELECTRA IRP project is performed. CHIL allows exploration of many real-world issues such as noise, randomness of event timings, and hardware design issues that are often not present on a simulation-only system. Octave has been used as the programming language of the controller in order to facilitate the transition between software simulation and real-time control testing. The distributed controller achieved frequency restoration with a collaborative response between different controllers very fast after the unbalanced area is located

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“…The long-distance communication testbed has enabled two research entities with different expertise and resources, separated by over 2000 miles, to succesfully collaborate throughout the development and testing process. This real-time control platform over the Internet has extensive potential applications for various experiments and validation tests in the power industry [10].…”

Section: Introductionmentioning

confidence: 99%

Microgrid control using remote controller hardware-in-the-loop over the Internet

Valibeygi

Callafon

Stanovich

et al. 2018

2018 IEEE Power &Amp; Energy Society Innovative Smart Grid Technologies Conference (ISGT)

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A centralized microgrid power management and control system is developed and tested with a Hardware-Inthe-Loop (HIL) Real-Time Digital Simulator (RTDS) model of an existing microgrid that communicates in real-time with the controller over the Internet. The controller leverages Phasor Measurement Units (PMUs) for measuring power flow and adjusting inverter power references in real-time. The control objectives are power and State-of-Charge (SoC) control, subject to inverter power amplitude and rate limits and communication constraints. The controller incorporates units of power control, SoC control, and adaptive reference scheduling to achieve seamless microgrid operation. Real-time, over the internet, hardwarein-the-loop tests between the controller and the simulator are realized and indicate stability and performance of the microgrid control system.

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Real-Time Simulation of Communications and Power Systems for Testing Distributed Embedded Controls

Cited by 7 publications

References 4 publications

A new power sharing control method for an autonomous microgrid with regard to the system stability

A new power sharing control method for an autonomous microgrid with regard to the system stability

Controller HIL testing of real-time distributed frequency control for future power systems

Microgrid control using remote controller hardware-in-the-loop over the Internet

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