With the large‐scale wind power, centralised access to high‐voltage direct current (HVDC) asynchronous interconnected sending system, random fluctuation of energy increases uncertainty frequency regulation. A coordinated control (FCC) strategy based on situation awareness is proposed make full use regulation potential turbines and HVDC transmission. Firstly, influence power permeability ratio capability analysed, mathematical model FCC established. Secondly, information obtained by wide‐area...

In order to boost the tourism circular economy development further, in this paper, renewable energy systems used are studied. work, a scenic spot is selected as analyzed object. Here, two emphases applications and configurations of system by studying networks power every functional department spot. Finally, simulation experiment conducted analyze characteristics operating results show feasibility availability economy.

For the conventional four-parameter model of photovoltaic (PV) cell, to simplify number its mathematical equations, in this paper, a variable-weather-parameter cell (VWP model) is proposed. Furthermore, decrease parameters, simplified (SVWP also Based on them, parameters linear equivalent models can be replaced by which finds direct relationships between and model. Finally, some simulation experiments are done comparing proposed VWP SVWP with PV cell. The results show that, one hand, their...

The control signals of the variable-weather-parameter (VWP) methods need to be calculated by real-time measured data irradiance and temperature (I&T) sensors, which leads high hardware cost sensors. To solve this problem, PV system with a DC bus is selected as research subject novel maximum power point tracking (MPPT) method proposed. It named VWP MPPT based on equation solution (ES-VWP method). Its signal directly an established set rather than I&T This consists two integrated...

The widespread adoption of renewable energy sources presents a significant challenge to the flexibility power system. To assess system in scenarios with uncertain output, it is crucial quantify quantitatively. This evaluation plays vital role planning flexible regulatory resources and dispatching for both source load. study introduces novel assessment model tailored grids high penetration, specifically addressing uncertainty associated wind PV. By analyzing impact PV on flexibility, paper...

A combined CEEMDAN-LSTM-RF-RBF wind power forecast model based on incomplete data is proposed for addressing the problem of affecting accuracy due to difficulty in obtaining practical engineering. The historical are decomposed using CEEMDAN and classified into high-frequency, medium-frequency, low-frequency according zero crossing rate each mode component. forecasts performed separately, final results obtained by linear summation. simulation shows that basically match trend actual values....

The research object is the Single-phase photovoltaic (pv) grid inverter based on household, and adopt DC/DC/AC two level conversion circuit topology. This paper studies maximum power point tracking of generation units booster function for Former circuit, DC bus voltage stability interconnection same frequency phase current with main DC/AC circuit. Maximum control strategy uses improved perturbation method observation, PID technology. feasibility scheme verified by simulation, simulation...

To optimize the power management and control for photovoltaic (PV) system, in this paper, firstly, a structure of PV system is proposed. Secondly, analyzed through strengths weaknesses opportunities threats (SWOT) matrix model coordinate model. Finally, some experiments are conducted by MATLAB simulation to test weaknesses-opportunities (WO) strengths-threats (ST) strategies, results verify accuracy, feasibility rationality SWOT analysis.

The off-grid run micro grid can give full play to the efficiency of distributed generations, and be used as beneficial supplement interconnected power grid. On basis analyzing typical supply constraints, energy optimization model is established in order most low running cost maximizing use wind solar principle. Typical day scheduling strategy for dynamic using real number coding genetic algorithm. simulation results show that method select optimal unit commitment time, according prevailing...

The deterioration of natural environment and exhaustion conventional energy resources necessitate the use clean renewable energy. Environmentally-friendly renewable, wind is world's fastest growing Variable speed constant frequency generators(VSCFGs) are widely used in power systems with farms. Regarding valve-point effect generators, dynamic optimal flow (DOPF) VSCFGs farms integrated a typical complex multi-constrained non-convex non-linear programming problem. DOPF mode established....

This paper presents a multi-mode intelligent controller based on the schema theory by analyzing AGV steering control strategy, and selects corresponding algorithm through characteristic identification results. The model of V-AGV is built Human-simulated Intelligent Control sensory-motor schema. simulation experiment results show that runs well in structure environment, open universal application unstructured environment.

There are two problems with fingerprint matching indoor positioning technology based on Bluetooth Low Energy; in the process of collecting signals, due to shadow effect and multipath effect, signal is prone violent fluctuations, abnormal values special values, Kalman filtering commonly used only for Linear systems, one-dimensional non-linear data dispersion, causing errors. The k-means clustering algorithm region division stage requires number clusters value k be specified advance, which...

In order to solve the adverse effects on voltage quality and active network losses caused by distributed power sources' access rural distribution network, this paper introduces a novel system that integrates photovoltaic (PV) technology, wind power, battery storage systems, loads. Secondly, grid vulnerability index is used measure quality, multi-objective optimization model constructed with energy cost. Subsequently, an improved whale algorithm designed for determining its capacity, which...

The shock effect has been analyzed when the human body touches different types of vehicles in power frequency electric field. It solved problem influence induced voltage generated by high AC Power Lines on Body. value and three calculated soft ANSYS this paper. results indicate that will be shocked two processes transient steady state. state selectively vehicles. proposed models algorithm advantages simple calculation procedure, small burden convenient to engineering application. can applied...