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The focus of this paper presents a distributed control method based on the gossip communication mechanism that will regulate the voltage of active loads in islanded microgrids. The proposed distributed voltage control (DVC) strategy based on the gossip protocols is fully distributed and by the way of the discrete-time communication; moreover, each active load unit only requires the local voltage and...
High speed serial links usually have extremely tight requirement on the quality of the signal channels, in terms of insertion loss and return loss. Along with an end-to-end channel design, the transition from plated-through-hole (PTH) via to fan-out traces on printed circuit board (PCB) creates unavoidable impedance discontinuity, which greatly impacts the channel return loss performance. It is important...
High performance ASIC packages are typically mounted on the PCB using BGA solder ball technology; ASIC package to board BGA transition creates impedance discontinuity in the multi-gigabit signaling channel. It is important to understand and model this discontinuity accurately to improve end to end channel design in system level. Usually when the channel is simulated, instead of modeling the package...
Through-silicon-via (TSV) enables vertical connectivity between stacked chips or interposer and is a key technology for three-dimensional (3D) ICs. In this paper, we study the signal integrity issues of TSV-based 3D IC with high-speed signaling based on 3D electromagnetic field solver and SPICE simulations. Unlike other existing works, our study focuses on an array of TSVs and includes power and bandwidth...
This paper investigates the characteristics of the active and reactive power sharing in a parallel inverters system under different system impedance conditions. The analyses conclude that the conventional droop method cannot achieve efficient power sharing for the case of a system with complex impedance condition. To achieve the proper power balance and minimize the circulating current in the different...
In this paper, a new droop controller for parallel connected UPS inverters is presented. The proposed controller is based on the droop method in order to avoid the using of communication signals between the modules. The paper studies the control of the active and reactive power flow through the analysis of the output impedance of inverters and its impact on power sharing. As a consequence, we propose...
This paper presents an improved controller for parallel connected single-phase UPS inverters in distributed generation application areas. The proposed control strategy needs only locally measurable feedback signals with communicationless between each inverter. It also shows how the improved adaptive droop method can be easily adapted to account for the operation of parallel inverters, providing good...
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