The rapid development of renewable energy power has improved global and environmental problems. However, with the high volatility energy, it is an important challenge to guarantee consumption reliable operation percentage systems. To solve this problem, paper proposes a tracking absorption strategy for based on interaction between supply side demand side, which adjusts charging process electric vehicles (EVs) through vehicle aggregator (EVA) realize abandoned electricity. In view process, we...

The further liberalization of China's electricity market encourages demand-side entities to participate in transactions. Electric vehicles (EVs) are developing rapidly and have high regulating potential, the main force for participation auxiliary service market. Aiming at problems dispatching accuracy economy EV market, this paper analyzes bidding strategy scheme EV-storage proposes optimal allocation with goal economic optimum. In process allocation, based on rules third-party subject...

Abstract According to a multiphase mixture theory, we have mathematically developed multiphysical model with chemoelectromechanical coupling considerations, termed the multieffect‐coupling electric‐stimulus (MECe) model, simulate responsive behavior of electric‐sensitive hydrogels immersed in bath solution under an externally applied electric field. For solutions MECe consisting coupled nonlinear partial differential governing equations, meshless Hermite–Cloud method hierarchical iteration...

An on-line tool developed for voltage stability analysis and enhancement (VSA&E) of large-scale power systems is presented in this paper. The has several major functions related to security assessment, load margin calculations, contingency analysis, fast identification insecure contingencies critical contingencies, development preventive control against increasing margins contingencies. parallel version currently handles models 20-000 buses with the list order thousand. Some analytical...

Under the perspective of carbon neutrality, green electricity absorption target constrained by quota system policy plays a crucial role in reducing emission power industry. However, current certificate has not achieved good results. On premise additional market burden as much possible, parameters should take into account influence behavior to formulate better line with China's peak goal. This paper constructs combined hierarchical reinforcement learning off-policy correction and multi-agent...

Voltage stability analysis and control are key applications for maintaining enhancing the voltage security of bulk power systems. In today's center, as systems become more stressed penetration renewable energies increases, system operators need to analyze based on actual operating conditions, contingency transactions system. this paper, model used represent a losing is described. It shown that collapse point reached at saddle-node bifurcation or structure-induced bifurcation. Computation P–V...

Dielectric capacitors have an enormous applications in the field of electrical engineering due to their good insulation, high safety and power density. However, under temperature environment, injected electric charges from metal electrodes or thermal-motivated lead rapid increase leakage current serious degradation insulation performance polymer capacitive films, restricting long-term stable operation film capacitor.To address this issue, core-shell structured inorganic fillers BN@MgO are...

Electric energy is one of the most important sources for modern industry. The electrical power system expected to achieve dynamic balance between electricity generation and consumption, avoid thriftless excessive or shortage. In this paper, we propose EMPLF, an energy-image based multi-unit load forecasting that applies Internet Things (IoT) techniques on traditional To solve inaccuracy caused by diversity unit EM-PLF exploits multiple models predict loads different units in a factory....

How to control the process of continuously variable transmission is an important issue in electric system a tracked vehicle. It presented this paper that constant power brushless DC motor (BLDCM) controlled by feedback (observation) power, and it proved feasible on testing. Based above, range speed expanded winding change namely configuration change, rotational ranges corresponding forms are settled our study. Finally, some total performance simulation results showed analyzed, which lay...

The growing demand for large-capacity long distance transmission of wind power has boosted the development flexible direct current (DC) technology.To facilitate integration, this paper designs a modular multilevel converter (MMC) steady-state operation, using parameters demonstration DC project offshore in Sheyang County, eastern China's Jiangsu Province.Relying on simulation platform PSCAD/EMTDC, authors analyzed proposed control theory, and verified that, under different working conditions...

Under the goal of "double carbon", new power system and market mechanism with clean energy as main body are accelerating to form. With gradual advancement China's round reform, electricity retailer has become an indispensable role in trading. While purchase sales business is carried out, retailers users also bear responsibility renewable quota. In this paper, considering quota aiming at maximizing revenue electricity, a flexible pricing model response user demand side established. Through...

Considering the poor dynamic performance and uncertainties of parameters three-phase PWM rectifiers, this paper study mathematical model 3-phase rectifiers proposed sliding-mode variable structure control. It can make system quick, steady have a robust control against parameters. Consequently current wave electricity net side is ensured being sine, power factor approaching unity. Simulative experimental results indicate that improves strengthens robustness.

The virtual power plant integrates multiple supply entities through the information system to achieve goal of efficient use consumption, and provides multi-directional support for demand response auxiliary services grid operation. This paper is oriented infrastructure, considering impact plants on electric system, constructing a comprehensive evaluation index energy efficiency projects three dimensions safety, economy environmental protection. integral combination AHP TOPSIS. Finally,...

Abstract Chile was one of the first countries in world to successfully reform its electricity market. Limited by dilemma energy dependence on imports, Chile’s price fluctuates greatly. Therefore, recent years, has been committed transformation new structure and introduced a series policies promote development. This paper analyzes current situation, process, operation mechanism market Chile, Focused characteristic mechanisms transition. Finally, combined with situation China’s market, draw...

Abstract Renewable energy has the characteristics of clean, safe and low variable cost. High proportion renewable access is great significance for improving structure power economy. However, with continuous increase ratio, in case full guaranteed acquisition, peak load regulation capacity generation side will be insufficient, which can’t meet requirements purchase energy, resulting phenomenon abandonment. It urgent to stimulate interactive ability all users participate consumption energy....

Abstract The development of large-scale electric vehicles puts forward new requirements for safe and reliable operation distribution network. Accurate EV load forecasting can effectively support grid-connected provide conditions reasonable regulation demand side resources. Firstly, this paper analyses the necessity feasibility vehicle from scale characteristics, ability informatization level development. Then, a method based on Back-Propagation neural network algorithm is proposed. Finally,...

Abstract In the new round of power system reform, construction market is top priority. It particularly important to design a reasonable path for smooth transition from planned mode and finally achieve target mode. This paper makes comparative analysis decentralized centralized market, further analyses its applicability necessity medium long-term contracts according characteristics. proposes coordinate generation resources, grid structure load resources within jurisdiction grid, implement...

Abstract Under the background of “carbon neutrality” and peak” targets, how to break inter-provincial barriers promote a wider range clean energy consumption has become an urgent problem. This paper improves traditional clearing model by introducing correction coefficient differences carbon emission reduction. The results show that improved can in provinces. And it better saving reduction effect.