Abstract Power electronics and communication are both based on electromagnetic theory, but they usually regarded as two distinct subfields in electrical engineering. In fact, however, electric power is the most common matter-based carrier of messages; thus, communications can be jointly considered. Here we study essential nature dc-dc converters characterize similarity their operation principle to that systems. Based this double modulation methods used communication, a strategy for data...

The energy Internet concept has been considered as a new development stage of the smart grid, which aims to increase transmission efficiency and optimize dispatching in time space. Energy router is core device it connects all devices together into net structure manages power flows among them. research work presented this paper described router's function expectations from network perspective, improved existing design. Open shortest path first (OSPF) protocol virtual circuit switching mode...

For intelligent dc distributed power systems (DC-DPSs), data communication plays a vital role in system control and device monitoring. To achieve cost-effective way, power/signal dual modulation (PSDM), method that integrates transmission with conversion, can be utilized. In this paper, an improved PSDM using phase shift full-bridge (PSFB) converter is proposed. This introduces control-based freedom the conventional PSFB loop to realize same conversion circuit. decoupled are realized without...

Switched mode power supplies (SMPSs) are essential components in many applications, and electromagnetic interference is an important consideration the SMPS design. Spread spectrum-based pulse width modulation (PWM) strategies have been used designs to reduce switching harmonics. This paper proposes a novel method integrate communication function into spread PWM strategy without extra hardware costs. Direct sequence spectrum (DSSS) phase shift keying data employed of SMPS, so that it has...

Abstract High-efficiency medium-range wireless power transfer using magnetically coupled resonators requires a data link between the contactless coils to regulate power. Multiplexing channel as information is cost-effective solution for communication. However, existing technologies cannot transmit across without substantially affecting transfer. Here we show power-electronics-converters based and dual system in which signals are modulated on one dc side of inverter/rectifier, transmitted...

In a photovoltaic system, dc–dc power optimizer (DCPO) is an option to maximize the output power. At same time, data links among DCPOs are often required for system monitoring and controlling. This paper proposes novel line communication method DCPOs, in which of DCPO modulated into control loop converter, then transmitted through series-connected dc other DCPOs. process communication, differential phase-shift keying modulation discrete Fourier transformation demodulation employed. To...

Switching ripple communication (SRC), which modulates the PWM carrier with digital data and takes switching as a signal carrier, helps power electronic converters to transfer along power. This article discusses theory implementation of SRC technology. It proves that modulation using square wave sinusoidal carriers is compatible. The fundamental principles frequency hopping–differential phase shift keying (FH–DPSK) are then analyzed in detail, an improved FH–DPSK scheme proposed suppress...

Hardware structure is a basic characteristic of battery management system (BMS), which influences the overall performance packs. This paper presents novel BMS architecture based on power/data time division multiplexing transmission technique. In proposed system, common bus employed to transfer power and data simultaneously, so wiring simplified. The consists pack unit several cell units (CMUs). circuit CMU compact achieves conventional functions like status monitoring active balancing; thus,...

Visible light communication (VLC) system integrates LED lighting with wireless communication. Conventionally, power conversion and are designed separately. The circuitry added for helps to achieve a high bit rate, but increases costs impacts the efficiency. On other hand, can also be together by applying switching ripple (SRC), where no additional devices needed. However, SRC is usually achieved broadband modulation methods, which means that bandwidth much lower than frequency. By...

In direct current (dc) microgrids, communication between converters is necessary for better power distribution and finer energy scheduling. This article proposes an orthogonal frequency division multiplexing (OFDM) based carrier method dc microgrid applications. The integrates the function in process of conversion by modulating data into control loop. To maximize rate a narrow band limited pulsewidth modulation control, OFDM technology applied process. modulated to multiple low-frequency...

Power electronics technology was only aimed at power conversion. However, with its development toward intelligence and modularization, communication needs to be integrated, later on the info nature of converters is proposed. In this scenario, simultaneous conversion attract lots attention, which signal dual modulation (PSDM) key. This article reviews novel PSDM converters. The principle for introduced first. Implementation methods are then categorized in terms forms injection mechanisms....

Power and signal dual modulation (PSDM) modulates both power data at the same time, making it an appropriate communication method for electronics’ applications. While conventional PSDM schemes use either duty cycle control or phase/frequency of gate switching devices, which achieve limited bitrate performances, this article proposes a novel scheme that combines three degrees freedom (DoF) to further improve bitrate. The scheme's feasibility is shown by examining compatibility between...

This article proposes a novel power flow tracing method based on electronic signaling for peer-to-peer (P2P) electricity trading in dc microgrids. It employs superimposed low-frequency sinusoidal carrier to trace flows according the bus port impedance characteristics of converters. In order support fair and accurate P2P trading, source-to-load (S2LPS) source-to-source verification (S2SPV) methods are presented. Through S2LPS, from specific distributed source (DS) load (PL) is determined by...

A generalized output branch with coupled inductor is proposed in this article, which a diversity of single-input dual-output (SIDO) configurations can be synthesized through substituting it for the original conventional single-output (SISO) converters. Furthermore, each configuration, multiple SIDO converters will generated after realizing auxiliary voltage source two different nodes. Because number magnetic components remains unchanged comparison SISO converter, high power density achieved...

This paper proposed a hybrid sinusoidal-pulse current charging strategy (HSPC) for Li-ion battery in electric vehicle application. Phase shifting of pulse currents generated paralleled boost converters is employed to overcome the power limitation sinusoidal ripple (SRC) method. Simulation and experimental results demonstrated that charger efficiency hardware energy transfer get improved by HSPC The flexibility topology integration with traction motor drivers can save cost volume strategy.

The mismatch problem is commonly happened in photovoltaic (PV) systems due to partial shading conditions(PSCs). Distributed maximum power point tracking (DMPPT) architectures can be used solve such problem. Reinforcement learning (RL) method which one of the advanced artificial intelligence(AI) methods proposed improve speed. However, drawbacks as lack limited adaptability and exploration-exploitation trade-off theory make RL low efficiency. Therefore, this article combines Beta...

Distributed Power System (DPS) is a widely adopted power structure for renewable energy application and tele-communication, computer system, aerospace industry, etc. DPS more reliable flexible than the traditional concentrated system. The communication utilities plays an important role in system framework. reliability, low cost easy implementation are This paper proposes embedded line scheme which utilizes switching ripple as signal carrier channel. It challenging to make combination of...

For wireless power transfer (WPT) system, close-loop control fed from pick-up side is an important issue, in which a communication link needed. Power and data frequency division multiplexing (FDM) technique attractive because it embeds into uses the same coreless coils. By employing this method, simplified closed-loop method for WPT system proposed paper. Compared to conventional systems, design eliminates extra channels enhances reliability of feedback. Moreover, phase-shifted model FDM...

This article proposes a novel embedded communication strategy for in-home energy routers (IHERs). It is based on the power/signal dual modulation (PSDM) principle and applied in small-scale community local area network (E-LAN). The proposed multiplexes power converters as data transmitters, thus high cooperation synchronization between flow information are achieved. In addition, system reliability enhanced since module has practically same module. A typical IHER’s structure operation...

Photovoltaic (PV) industry has been rapidly grown over the past decades. PV modules are component of systems that is easily susceptible to rigorous working conditions, which can result in a variety defects affecting system's performance and lifespan if not diagnosed time. Thus, it necessary understand characterization each fault principles every diagnosis method. This paper provides comprehensive review common faults within context arrays, addressing type, causes, their effects on I-V curve...

For many distributed power systems (DPSs) such as light-emitting diode lighting and battery management, communication is essential. This study presents an improved method of integrating transfer through a common bus by applying the concept power/data time division multiplexing transmission (PD-TDMT). The proposed employs electronic topologies basic circuits to create system utilises intervals for communication. Compared with conventional techniques in DPS, has advantages simple...