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Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Frontiers in Energy 2023, Volume 17, Issue 2, Pages 251-265 doi: 10.1007/s11708-022-0857-1

Abstract: integrated electricity-gas network (IEGN) and strengthening the interaction between the active-reactive powerflow in the power distribution network (PDN) and the natural gas flow in the gas distribution networkThis paper proposes a day-ahead active-reactive power scheduling model for the IEGN with multi-microgridsBesides, motivated by the non-negligible impact of the reactive power, optimal inverter dispatch (OID) is considered to optimize the active and reactive power capabilities of the inverters of distributed

Keywords： combined cooling heating and power (CCHP) integrated energy systems (IES) natural gas power distribution

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Water, Air Emissions, and Cost Impacts of Air-Cooled Microturbines for Combined Cooling, Heating, and Power Article

Jean-Ann James, Valerie M. Thomas, Arka Pandit, Duo Li, John C. Crittenden

Engineering 2016, Volume 2, Issue 4, Pages 470-480 doi: 10.1016/J.ENG.2016.04.008

Abstract: Combined cooling, heating, and power (CCHP) systems have the potential to improve the energy generationdioxide (CO₂) and NO_x emissions, and economic impact of implementing CCHPOperating the CCHP system to follow the hourly thermal demand reduces CO₂ emissions for mostthe price of natural gas, the implementation of net metering, and the cost structure assumed for the CCHPCCHP systems are more economical for medium office, large office, and multifamily residential buildings

Keywords： Combined cooling heating and power (CCHP) Air-cooled microturbines Distributed energy generation Water

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UPFC setting to avoid active power flow loop considering wind power uncertainty

Shenghu LI, Ting WANG

Frontiers in Energy 2023, Volume 17, Issue 1, Pages 165-175 doi: 10.1007/s11708-020-0686-z

Abstract: The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameterThe power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and theapproaching to the critical existing condition, the integrated power flow needs less iterations andBesides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integratedpower flow, and solved with the affine Krawcyzk iteration to make sure that the range of active power

Keywords： active power loop flow (APLF) unified power flow controller (UPFC) wind power uncertainty interval power

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Possible role of power-to-heat and power-to-gas as flexible loads in German medium voltage networks

Mark KUPRAT, Martin BENDIG, Klaus PFEIFFER

Frontiers in Energy 2017, Volume 11, Issue 2, Pages 135-145 doi: 10.1007/s11708-017-0472-8

Abstract: As an option to cope with those problems, the technologies of power-to-gas (PtG) and power-to-heat (PtH, the network-supporting abilities and the potential to provide ancillary services, such as control power

Keywords： power-to-gas power-to-heat flexible loads ancillary services coherent energy systems

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Evaluation of the power-generation capacity of wearable thermoelectric power generator

Yang YANG, Jing LIU,

Frontiers in Energy 2010, Volume 4, Issue 3, Pages 346-357 doi: 10.1007/s11708-010-0112-z

Abstract: heat dissipating from the human body through the skin surface is a promising way to supply electronic powerthe temperature difference between the environment and the human body, and complete elimination of power

Keywords： thermal energy harvester thermoelectric generator biological heat transfer power generating capacity

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Renewable power for China: Past, present, and future

Eric MARTINOT

Frontiers in Energy 2010, Volume 4, Issue 3, Pages 287-294 doi: 10.1007/s11708-010-0120-z

Abstract: examines the history, status, policy situation, development issues, and prospects for key renewable powerglobal leader in wind turbine and solar photovoltaic (PV) production, and leads the world in total powerexperience and performance, transmission constraints, grid interconnection time lags, resource assessments, powerProspects for biomass power are limited by resource constraints.Other technologies such as concentrating solar thermal power, ocean energy, and electricity storage require

Keywords： renewable energy wind power solar power sustainable energy policy green industry

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Carbon emission impact on the operation of virtual power plant with combined heat and power system

Yu-hang XIA,Jun-yong LIU,Zheng-wen HUANG,Xu ZHANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 5, Pages 479-488 doi: 10.1631/FITEE.1500467

Abstract: A virtual power plant (VPP) can realize the aggregation of distributed generation in a certain region, and represent distributed generation to participate in the power market of the main grid.This paper proposes the allocation of an electric boiler to realize wind power directly converted forsupplying heat, which can not only overcome the limitation of heat output from a combined heat and powerThe power output of each unit in the case study is analyzed under four scenarios.

Keywords： Virtual power plant (VPP) Carbon emissions Electric boiler Wind power Combined heat and power (CHP

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Strategy of Manufacturing Quality Power

The Research Group for Manufacturing Quality Power Strategy

Strategic Study of CAE 2015, Volume 17, Issue 7, Pages 24-28

Abstract:

The meaning to implement the Manufacturing Quality Power Strategy was systematically discussed in

Keywords： manufacturing power quality strategy

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Will Germany move into a situation with unsecured power supply?

Harald SCHWARZ

Frontiers in Energy 2019, Volume 13, Issue 3, Pages 551-570 doi: 10.1007/s11708-019-0641-z

Abstract: increasing traffic, CO emissions from this mobility sector increased and CO emission from German powercalled “The German Coal Commission”) to propose a time line: how Germany can move out of coal-fired powermade: ① Until 2022: Due to a former decision of the German Government, the actual remaining nuclear powerplants should be switched off. ③ Until 2038: The final 17 GW of German hard coal or lignite-fired powerCoal Commission” has not investigated the relevant technical parameter to ensure a secured electric power

Keywords： CO₂ reduction mobility sector renewable generation coal commission secured power generationcapacity reliable power supply power-to-gas power-to-heat

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A comprehensive review of wind power based power system frequency regulation

Frontiers in Energy 2023, Volume 17, Issue 5, Pages 611-634 doi: 10.1007/s11708-023-0876-6

Abstract: Wind power (WP) is considered as one of the main renewable energy sources (RESs) for future low-carbonand high-cost-efficient power system.However, its low inertia characteristic may threaten the system frequency stability of the power systemIn this paper, the impact of WP on power system frequency stability is initially presented.Furthermore, the prospects, future challenges, and solutions of WP participating in power system frequency

Keywords： frequency regulation strategies wind turbine generators grid-forming control model predictive control energy storage system

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Optimal operation of integrated energy system including power thermal and gas subsystems

Frontiers in Energy 2022, Volume 16, Issue 1, Pages 105-120 doi: 10.1007/s11708-022-0814-z

Abstract: hybrid multi-energy systems, the integrated energy system contains different forms of energy such as powerthe integrated energy system, in this paper, the dist-flow method is applied to quickly calculate the powerflow and the gas system model is built by the analogy of the power system model.The power-thermal-gas integrated energy system used in the case study includes an IEEE-33 bus power systemSimulation-based calculations and comparison of the results under different scenarios prove that the power-thermal-gas

Keywords： integrated energy system power-to-gas dist-flow piecewise linearization alternating direction method

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A New Way to Evaluate Extensive Marketing Power

Xu Lijuan

Strategic Study of CAE 2006, Volume 8, Issue 6, Pages 100-102

Abstract:

The extensive marketing power is the ability of obtaining the consumers' approval during the courseThis paper puts forward a new method to evaluate this important power, so as to make a relatively scientificway to help raising enterprise's influencing power in market.

Keywords： marketing power extensive marketing power influencing power in market index of extensive marketing power

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2, Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: availability growth models for large scale complicated repairable system such as electric generating units, powerAvailability growth models for electric generating units, power station auxiliaries, and transmissionunits and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmissionstation auxiliaries, transmission and distribution installations conform to the power function, andgeneral availability growth models conform to rules of availability growth tendency of power equipment

Keywords： repairable system power equipment electric generating unit power station auxiliary transmission and distribution

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Improved resilience measure for component recovery priority in power grids

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 545-556 doi: 10.1007/s42524-021-0161-5

Abstract: Given the complexity of power grids, the failure of any component may cause large-scale economic lossesConsequently, the quick recovery of power grids after disasters has become a new research direction.Considering the severity of power grid disasters, an improved power grid resilience measure and its correspondingcomponents after a disaster is determined according to the influence of the failed components on the powerFinally, based on the data from the 2019 Power Yearbook of each city in Shandong Province, China, the

Keywords： resilience measure power grid importance measure component recovery

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Power fluctuation and power loss of wind turbines due to wind shear and tower shadow

Binrong WEN, Sha WEI, Kexiang WEI, Wenxian YANG, Zhike PENG, Fulei CHU

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3, Pages 321-332 doi: 10.1007/s11465-017-0434-1

Abstract:

The magnitude and stability of power output are two key indices of wind turbines.This study investigates the effects of wind shear and tower shadow on power output in terms of powerfluctuation and power loss to estimate the capacity and quality of the power generated by a wind turbinePower fluctuation and power loss due to wind shear and tower shadow are analyzed by performing theoreticalResults indicate that power fluctuation is mainly caused by tower shadow, whereas power loss is primarily

Keywords： wind turbine wind shear tower shadow power fluctuation power loss