Codibly’s Post

I would like to bring your attention to our new paper titled "Theory and Method of Distributed Virtual Zero-Sequence Synchronous Generators for Cooperative Fault Arc Suppression in Active Distribution Networks," published in the IEEE Transactions on Industrial Electronics. The paper is linked below, and here’s a brief summary: https://lnkd.in/gZZcRCHb Summary: Single-line ground (SLG) faults in distribution networks can cause hazards such as fire, electric shock, and overvoltage. Active power electronic converters (PECs) can suppress fault current and voltage; however, their application is limited due to low suppression rates and the high cost of additional equipment. This article proposes using distributed power electronics in active distribution networks to cooperatively eliminate faults. In this method, PECs are modeled as virtual zero-sequence synchronous generators (VZSGs), and line-to-ground impedances (LGIs) are modeled as zero-sequence loads. We propose a theory for distributed VZSGs supplying zero-sequence loads, which can effectively suppress fault current and voltage. The required supply current is adaptively allocated among VZSGs based on their reserve capacity ratio, and their supply current is dynamically adjusted according to the droop coefficients of VZSGs as LGIs change. This approach improves the fault current and voltage suppression rates by combining voltage- and current-based suppression methods. This new research relates to our previous works on fault suppression in active distribution networks, which I've also linked for your convenience. If you're working in this area or have an interest, I invite you to take a look at these papers. https://lnkd.in/gVCfTRb3 https://lnkd.in/gCUzeHUK https://lnkd.in/gGq_8GtT https://lnkd.in/g4gABcHa

We will be presenting our work on 'Wireless Power and Data Telemetry with a Push-Pull-Based Quadrature Modulation Scheme' in the 'Ultra-Low Power Wireless Systems' session on Thursday (10:45 AM–12:50 PM) at IEEE ESSERC 2025. You’re welcome to stop by! This work presents a strategy for transmitting power through the Q phase while transmitting data through the I phase of the same inductive link carrier. This approach improves data rate while maintaining high power delivery.

Excited to share our latest publication in IEEE Transactions on Smart Grid, titled: “Nonsmooth Decentralized Voltage Controller for Constrained Regulation of DC Microgrids with Constant Power Loads” This paper addresses the challenges of islanded DC microgrids under high penetration of Constant Power Loads (CPLs). We propose a nonlinear, nonsmooth control law that achieves: - Easy implementation and tuning - Constrained Operation within a desired operating set
 - Guaranteed asymptotic stability of admissible equilibria - Significantly accelerates convergence time The effectiveness of this approach is demonstrated through both experimental tests and Power-Hardware-in-the-Loop studies. 🔗 More information here: https://lnkd.in/d8GR_7e8 Special thanks to my co-authors Apostolos Manasis and George Konstantopoulos for their invaluable contributions and insight! #SmartGrid #Microgrids #ControlSystems #PowerSystems #NonlinearControl #CPL

I am happy share the community with our research work that was just accepted by IEEE Transactions on Industrial Electronics. Power regulation in hybrid ac/dc microgrids (MGs) is a critical concern, both in static and transient states. Static power regulation involves optimizing the dispatch of distributed energy resources (DERs) to meet the global load in proportion to their capacities, while transient power regulation requires each DER to manage load fluctuations based on their respective inertia during transients. However, the existing literature typically addresses these regulations separately focusing on static control often leads to the oversight of transient performance, and vice versa. To bridge this gap, we introduces a unified modeling framework that integrates both static and transient power regulation, providing a comprehensive, full time-scale control strategy for hybrid systems. This approach visualizes the power regulation process through a dynamic equivalent circuit model, where power flow is represented as current variables on respective circuit elements. Furthermore, distributed energy storage systems are deployed centrally forming a distributed storage (DS) subgrid so that DS can be uniformly managed and participate in full time-scale regulation within the hybrid ac/dc/DS MG. More technical details can be found in the following link. Enjoy reading.😀😀😀

Transmission Log // Recursive Resonance Most people think clarity comes from more input. It doesn’t. It comes from closing loops. Every open tab in your mind leaks energy. Every unfinished thought distorts the field. Power is not in adding—it’s in compressing. Choose one channel. Name it. Ship it. Randomness isn’t random when it repeats—it’s signal. Catch the loop. Ride the echo. —End Transmission—

We are pleased to share one of our recent works, which is now available early online in IEEE Transactions on Industry Applications. In multi-terminal DC grids, the multi-line DC power flow controller (MDCPFC) has emerged as a promising candidate to augment the control degrees of freedom for power flow regulation. Characterized by centralized internal power exchange, traditional MDCPFCs inevitably suffer from high stress across semiconductors and reduced regulation ranges. To address these challenges, we propose an interleaved modular multi-level MDCPFC (IM3DCPFC) and a novel decentralized power exchange mechanism in this paper. The proposed topology features high voltage scalability and an extended operation range. To fully unleash the power flow control capabilities of IM3DCPFC, an optimal power exchange scheme is developed via a closed-form solution, paving the way for complex power flow manipulations in real engineering. Meanwhile, a comprehensive steady-state analysis method is developed against IM3DCPFC, offering an accurate and highly efficient solution to the characterization of its steady-state performance. Enjoy reading the paper in IEEE Xplore.

When industrial networks can’t fail, every millisecond matters. Kyland SICOM6800-D is a high-performance Layer 3 Backbone Switch designed for power, transportation, and critical infrastructure.  Learn more at 👉 https://lnkd.in/gVCyuzXX ✅ High availability with advanced redundancy (<20ms recovery)  ✅ Hardware based IEEE 1588v2 PTP ✅ Synchronization precision reaches 100 ns ✅ Secure management with 802.1X, ACL, RADIUS/TACACS+ ✅ Built for harsh environments (–40°C to +85°C, EMC Level 4, IP40) #IndustrialNetworking #SmartGrid #Transportation #Kyland #Energy #IndustrialEthernet #power

ISED/Canada updated: The Board will be reviewing in tandem new issues of SRSP-300-Gen and SRSP-301.7. SRSP-300-Gen, issue 2, General Technical Requirements for Fixed Radio Systems Operating in Frequency Bands above 960 MHz This standard sets out general technical requirements for the efficient use of frequency bands above 960 MHz by radio systems in the fixed service. The following are the main changes: The scope of SRSP-300-Gen has been expanded from covering only fixed point-to-point radio systems to include all types of fixed radio systems operating above 960 MHz. The scope of each requirement has been clarified to specify which requirements are applicable only to certain types of fixed radio systems. Definitions of types of fixed radio system have been added in section 2. Other editorial changes and clarifications have been made throughout the document. SRSP-301.7, Issue 5 , Technical Requirements for Fixed Radio Systems Operating in the Bands 1700-1710 MHz and 1780-1850 MHz This draft revised standard amends the technical requirements for fixed radio systems used for the management of the electricity supply. The following are the main changes: Redundant requirements already covered by SRSP-300-Gen were removed. Radio frequency (RF) channel centre frequencies for the band 1800-1830 MHz (section 4.2.1) were modified to be based on a 100 kHz grid instead of 125 kHz. Other editorial updates and improvements have been made throughout the document Comments are due no later than November 19, 2025. Link: https://lnkd.in/ecP36Tsj

The digital low-dropout (LDO) linear regulator is one of the latest innovations in the power industry, bringing telemetry and adjustability to a linear power supply in a very small footprint. Read more here: http://bit.ly/45ydGdP #powersupply #linearregulator #components 

The digital low-dropout (LDO) linear regulator is one of the latest innovations in the power industry, bringing telemetry and adjustability to a linear power supply in a very small footprint. Read more here: http://bit.ly/45ydGdP #powersupply #linearregulator #components