Shared energy storage (SES) and some photovoltaic prosumers (PVPs) are difficult to aggregate by the virtual power plant (VPP) in short term. In order realize optimal operation of VPP incomplete resource aggregation environment promote mutual benefit multiple market entities, trading strategy based on hybrid game SES–VPP–PVP is proposed. Firstly, whole system configuration with proposed, as well preconfigured rules general problem for VPP. Secondly, novel theory-based optimization proposed...

Thermal issue is one of the major concerns for safe, reliable, and efficient operation vanadium redox flow battery (VRB) energy storage systems. During design operational strategy a grid-connected VRB system, suitable mathematical model needed to predict dynamic behaviors under various operating conditions. However, conventional models usually neglect impact temperature variations on system performance. This work develops an enhanced with consideration coupling effects between...

The integration of a photovoltaic (PV) system into ship power grid has recently become an important strategy saving energy and reducing emissions from ships. Since the close relationship between derived PV navigation plans ships including location, routes times, techno-economic evaluation systems integrated is very to ensure their proper application in In this study, ship-PV grid-connected incorporating COSCO TENGFEI pure car truck carrier selected as case conduct comprehensive analysis...

Traditional short-term load forecasting (STLF) methods for large utility grid systems usually provide the forecasted with deterministic points. However, cannot reveal pattern and uncertainty of controllable in a microgrid, where prediction errors may exceed expected range due to high volatility strong randomness. In order deal this matter, probability density method is proposed predict microgrid robust power scheduling paper. The effectively combines several data-driven statistical...

Short-term residential load forecasting is the precondition of day-ahead and intra-day scheduling strategy household microgrid. Existing short-term electric methods are mainly used to obtain regional power for system-level dispatch. Due high volatility, strong randomness, weak regularity a single household, mean absolute percentage error (MAPE) traditional results would be too big home energy management. With increase in total number households, aggregated becomes more stable, cyclical...

The low energy conversion efficiency of the vanadium redox flow battery (VRB) system poses a challenge to its practical applications in grid systems. is mainly due considerable overpotentials and parasitic losses VRB cells when supplying highly dynamic charging discharging power for regulation. Apart from material structural advancements, improvements operating strategies are equally essential achieving expected high-performance system, although an optimized solution has not been fully...

With the breakthrough of key technologies renewable energy, microgrid is gradually developing towards 100% energy. However, aiming at characteristics energy power such as randomness and intermittency, needs to cope with "double" fluctuations from source side load side, which will pay more costs for absorbing To implement "source-grid-load-storage" integration, this research establishes a hierarchical scheduling model microgrid, considers demand response (DR) electric vehicle (EV) users...

Existing faulted feeder identification methods in the resonant grounded distribution network are primarily based on feature extraction of fault-generated transient currents. The reliability these approaches is significantly compromised by fluctuating signals and interfering on-off operation neighboring switches. To sidestep problems, a novel method proposed to identify consecutively tuning arc suppression coil around full compensation state. Once series steady states reached after tuning,...

Considered as one of the ultimate energy storage technologies for electrified transportation, emerging all-solid-state batteries (ASSBs) have attracted immense attention due to their superior thermal stability, increased power and densities, prolonged cycle life. To achieve expected high performance, practical applications ASSBs require accurate computationally efficient models design implementation many onboard management algorithms, so that ASSB safety, health, cycling performance can be...

The vanadium redox flow battery (VRB) system involves complex multi-physical and multi-timescale interactions, where the electrolyte rate plays a pivotal role in both static dynamic performance. Traditionally, fixed rates have been employed for operational convenience. However, today's highly energy market environment, adjusting based on operating conditions can provide significant advantages improving VRB conversion efficiency cost-effectiveness. Unfortunately, incorporating into...

The single-phase arc grounding fault is the main form in medium voltage distribution networks. In this paper., Mayr model used to study characteristic of current by adjusting time constant τ and dissipated power P, which belongs parameters model. equivalent sequence network diagram phase A-to-ground feeder resonant ground system construct simplified circuit. And then variation law waveform under change P analyzed. results show that increasing within a certain range or reducing can from...

A traveling wave fault location method based on multi measuring points for distribution network with distributed generation is proposed in this paper. novel algorithm the time difference between first aerial-mode and zero-mode wave-fronts of are used to obtain preliminary without wide area precision synchronization. This acquires information gathered by at busbar terminals trunk feeder random error eliminated using redundant data. It's verified that paper can achieve accurate section...

In modern electrical power distribution systems, the effective operation of inverter-based arc suppression devices relies on accuracy faulty phase selection. traditional methods selection for single-phase-to-ground faults (SPGs), frequency-based amplitude and characteristics are used to identify phase. field, when a high-resistance SPG occurs in system, difficult accurately identifying because weak fault components complicated process. A novel realizable method based transient current...

With rapid development of HVDC transmission system, the coupling relationship between AC and DC power grid has become increasingly stronger. Especially, problem voltage instability is prominent in receiving-end dynamic reactive performance inadequate. Therefore, new-generation synchronous condenser (NGSC) as 'a strong support device" widely applied to high-capacity system. However, there a lack coordination control strategy NGSCs AC/DC grid, so it difficult give full play supporting capacity...