peak-valley off-grid energieopslagmethoden

IES configuration method considering peak-valley differences of …

The peak–valley difference of power grid will be enlarged significantly with the increasing number of integrated energy systems (IESs) connecting to power grids, …

Aggregator-based demand response mechanism for electric vehicles participating in peak regulation in valley time of receiving-end power grid

In this work, we provide information with respect to a strategy for scheduled charging based on trip distance, in addition to explaining fuzzy logic control for grid-to-vehicle and vehicle-to-grid ...

(PDF) Study on impact of grid connection of distributed photovoltaic system on distribution network peak-valley …

Impact of PV capacity on peak-valley difference 0 300 500 700 1000 Proportio n of total active load (%) 0 8.6 14.4 20.2 28.85 Peak value (kW) Valley value (kW) Peakvalley difference (kW) 3742 3682 3643 3605 3550 2982 2982 2903 2712 2427 760 700 740 893 1123 Analyzing the data in

Impact of Wind-Solar-Storage System Operation Characteristics on the Peak-Valley-Difference of Power Grid …

In the context of new power system construction, the proportion of wind power (WP) and photovoltaic (PV) connected to the grid continues to increase, in order to improve the utilization rate of WP and PV, and reduce the impact of solar power fluctuations on the power system and the occupation of system flexibility resources, so the complementarity …

A Two-Stage Clustering-Based Approach for Assessing Peak …

This paper proposes an industrial electricity load peak shifting and valley filling potential assessment method based on two-stage clustering, aiming to evaluate the potential of …

Smart Charging and Discharging of Plug-in Electric Vehicles for Peak Shaving and Valley Filling of the Grid …

From the power grid perspective, the widespread of plug-in electric vehicles (PEVs) integration into the electric networks rises concerns regarding power system components overloading and power quality issues. However, PEVs would bring beneficial opportunities to the power system in the future. In order to alleviate the negative effects of PEVs, smart …

Performance analysis of off-grid PV systems in the Jordan Valley

The Jordan Valley is the lowest point on earth with a maximum depth of about 400 meters below sea level [7] [10]. The climate in this area is very different to the climate in other parts of Jordan ...

Multi-objective optimization of capacity and technology selection for provincial energy storage in China: The effects of peak-shifting and valley ...

The model aims to minimize the load peak-to-valley difference after peak-shaving and valley-filling. We consider six existing mainstream energy storage technologies: pumped hydro storage (PHS), compressed air energy storage (CAES), super-capacitors (SC), lithium-ion batteries, lead-acid batteries, and vanadium redox flow batteries (VRB).

Characteristic Analysis of Peak-Valley Regulation of Central China Power Grid Under Different Wind Power Consumption Situations …

Based on the background of one province in Central China power grid absorbing local and outer wind power, this paper studied on the peak shaving characteristics of the wind power into Central China power grid from different provinces and regions. By analyzing the output characteristics and typical 24h load characteristics of wind power, the characteristic index …

(PDF) Peak and valley regulation of distribution network with …

In the valley filling and peak shifting methods, the usage of some electrical devices is shifted to off-peak hours, which requires training programs and motivation to encourage energy consumers. [30].

The implementation of peak-valley time-of-use (TOU) price strategy can effectively reduce the peak-valley difference of load and save investment for power grid, but the load …

Optimization of peak-valley pricing policy based on a residential …

The 12 provinces should adopt the 3-phase division method and optimize the electricity price in the peak and valley (i.e. off-peak) periods respectively. This paper promotes the …

Sizing, economic, and reliability analysis of …

The authors in ref. [] present analysis of a hybrid off-grid energy system consisting of PV panels and a battery storage system, in the Jordan Valley area. The study investigated the impact of temperature on the …

Optimal Modification of Peak-Valley Period Under Multiple Time …

Time-of-use (TOU) is an effective price-based demand response strategy. A reasonable design of TOU strategy can effectively reduce the peak-valley difference, and then …

Optimization of peak-valley pricing policy based on a residential …

In order to deal with the rapid growth in residential electricity consumption, residential peak-valley pricing (PVP) policies have been implemented in 12 provinces in China. However, being inappropriate, the residential PVP policies have delivered no significant results. The challenge to China''s PVP policy research lies in obtaining high-resolution electricity …

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Recent years have seen the increasing flexibility in the changes of the demand-side user load, which makes it difficult to evaluate the demand-side response. Moreover, the accountability of the evaluation of the response plan depends on the accuracy of load peak-valley difference forecast. Therefore, considering the complexity of the load peak-valley …

Feasibility of Domestic Hot Water Regulation for Power Grid Peak and Valley …

The hot water storage scheme effectively encourages electricity load cut peak and fill valley by a hot water load shift peak and fill valley in contrast to conventional schemes. Furthermore, in a broad sense, heat-pump storage of hot water at night has energy saving effects on the entire power grid system depending on heat pump COP and electricity …

Research on Output Characteristics of New Energy and Peak Regulation Demand of Power Grid …

Based on the actual output data of wind power, photovoltaic and new energy in Ningxia in 2020, this paper quantitatively analyzes the intra-day, daytime and monthly output characteristics to put priority on the research on the volatility of new energy output in peak valley period, evening peak climbing period and its impact on the peak regulation of …

Wind Power Peak-Valley Regulation and Frequency Control …

Semantic Scholar extracted view of "Wind Power Peak-Valley Regulation and Frequency Control Technology" by K. Ding et al. DOI: 10.1016/B978-0-12-849895-8.00006-3 Corpus ID: 155843993 Wind Power Peak-Valley Regulation and Frequency Control Technology ...

Research on the Application of Peak-Valley Time-Sharing Tariffs …

High wind abandonment rate, insufficient consumption, is the main problem that restricts the development of China''s wind power industry. Restricted by the power structure, grid network and power load characteristics, some of China''s regional power grid peak capacity is limited, unable to meet the demand to further improve the level of wind power …

Scheduling Strategy of Energy Storage Peak-Shaving and Valley-Filling Considering the Improvement Target of Peak-Valley …

In order to make the energy storage system achieve the expected peak-shaving and valley-filling effect, an energy-storage peak-shaving scheduling strategy considering the improvement goal of peak-valley difference is proposed. First, according to the load curve in the dispatch day, the baseline of peak-shaving and valley-filling during peak-shaving and …

Study on impact of grid connection of distributed photovoltaic system on distribution network peak-valley difference considering photovoltaic ...

In this paper, firstly an IEEE 13 node feeder system simulation model is established in Matlab/simulink. Then, taking into consideration the typical photovoltaic output fluctuation and daily load curve of the distribution network, and with simulation method, the study obtains the value of the system peak-valley difference considering the superposition of …

Net load peak-to-valley difference /kW for PV access planning

PV consumption of the distribution network after planning by the proposed method is increased by at least 18.3%. Combined with the peak-valley difference values in Table 2, the ...

An Emulated Peak/Valley Curve Assisted Fast-Transient Buck …

In high-performance computing applications, a fast-transient and high-efficiency buck converter is crucial. It is desirable to achieve one-cycle charge balance Abstract: In high-performance computing applications, a fast-transient …

Profitability analysis and sizing-arbitrage optimisation of retrofitting coal-fired power plants for grid …

The interaction between the upper-level and the lower-level models is shown in Fig. 2, along with their respective objective function, decision variables, constraints, and input data.The raw input parameters are shown in Appendix B.The sizing configuration (P EH, C TES) of the upper-level model is considered in the power constraint of PC and the capacity …

IES configuration method considering peak‐valley differences of …

peak–valley differences on power grid operation; thus, achieve the IET Energy Syst. Integr., 2020, Vol. 2 Iss. 2, pp. 92-100 This is an open access article published by the IET and Tianjin University under the Creative Commons Attribution -NonCommercial License

(PDF) Smart Charging and Discharging of Plug-in …

paper presented a detailed overview of the on board and off board charging infrastructure and communication ... vol. 2, no. 1, pp. 198–205, Mar. 2011. Z. Wang and S. Wang, "Grid power peak shaving and valley filling using …

Multi-objective optimization of capacity and technology selection for provincial energy storage in China: The effects of peak-shifting and valley ...

The model aims to minimize the load peak-to-valley difference after peak-shaving and valley-filling. We consider six existing mainstream energy storage technologies : pumped hydro storage (PHS), compressed air energy storage (CAES), super-capacitors (SC), lithium-ion batteries, lead-acid batteries, and vanadium redox flow batteries (VRB).

Peak-valley time division model based on net load curve

A net-load-curve-based peak-valley time division model is built in this paper with the help of K-means algorithm. And then the paper contrasts and analyses the distributive characteristics of total and net load curves through a calculation example to verify the positive effect this model has on accurate bid for thermal power units.

,peak and valley loads of the power grid,,,, …

On the basis of analyzing the relation between peak-valley prices and peak-valley electricity quantity at generation side, the necessary conditions of keeping the average pool purchase price unchanged and maintaining the income increment of generating units on a certain level are respectively proposed while the peak-valley time-of-use (TOU) price is …

Real-Time Peak Valley Pricing Based Multi-Objective Optimal …

In this research, a peak valley power pricing strategy is introduced and the optimal scheduling of the VPP is attained by performing a multi-objective scheduling strategy …

An Optimal Method of Controllable Load Based on Peak-Valley …

A method for controllable load optimal regulation of peak-valley expectation associated with dynamic pricing is presented in this paper. The method can be used to obtain an accurate load regulation scheme. A load power consumption model has been proposed, along with a user-side benefit function that includes its constraints. The strategy utilizes the concept of …

IES configuration method considering peak-valley differences of …

This study proposes an IES configuration method considering the peak–valley difference of the tie line between IES and power grid. An optimal configuration model of IES is established, which takes the sum of the annual operating cost of the power grid and annual cost of IES as objectives, while the tie line transmission power between IES and power …

Multi-objective optimization of capacity and technology selection …

To support long-term energy storage capacity planning, this study proposes a non-linear multi-objective planning model for provincial energy storage capacity (ESC) …

Performance analysis of off-grid PV systems in the Jordan Valley

Al-Addous et al. [12] presented a performance evaluation work of an off-grid PV system in Jordan valley in which a four-year historical meteorological database was used for the development of a ...

Scheduling Strategy of Energy Storage Peak-Shaving and Valley …

Abstract: In order to make the energy storage system achieve the expected peak-shaving and valley-filling effect, an energy-storage peak-shaving scheduling strategy considering …

Optimization of peak-valley pricing policy based on a residential …

The 12 provinces should adopt the 3-phase division method and optimize the electricity price in the peak and valley (i.e. off-peak) periods respectively. This paper promotes the research on China''s residential PVP policy and provides an effective reference for the design of the PVP policy.

Research on an optimal allocation method of energy storage …

Energy storage system (ESS) has the function of time-space transfer of energy and can be used for peak-shaving and valley-filling. Therefore, an optimal allocation method of ESS …