An industrial park is one of the typical en ergy con sumption schemes in power systems owing to the heavy in dustrial loads and their abilities to resp ond to electricity price cha nges.Therefore,en ergy in tegrati on...An industrial park is one of the typical en ergy con sumption schemes in power systems owing to the heavy in dustrial loads and their abilities to resp ond to electricity price cha nges.Therefore,en ergy in tegrati on in the industrial sector is significant.Accordingly,the concept of industrial virtual power plant(IVPP)has been proposed to deal with such problems.This study demonstrates an IVPP model to man age resources in an eco-i ndustrial park,including en ergy storage systems,dema nd resp onse(DR)resources,and distributed energies.In addition,fuzzy theory is used to cha nge the deterministic system constraints to fuzzy parameters,considering the uncertainty of renewable energy,and fuzzy chance constraints are then set based on the credibility theory.By maximizi ng the daily ben efits of the IVPP owners in day-ahead markets,DR and energy storage systems can be scheduled economically.Therefore,the energy between the grid and IVPP can flow in both directions:the surplus renewable electricity of IVPP can be sold in the market;when the electricity gen erated in side IVPP is not enough for its use,IVPP can also purchase power through the market.Case studies based on three win d-level scenarios dem on strate the efficie nt syn ergies betwee n IVPP resources.The validatio n results indicate that IVPP can optimize the supply and demand resources in in dustrial parks,thereby decarbonizing the power systems.展开更多
Verard et el. (2015, Journal of Palaeogeography, 4(1 ): 64-84) claim that their global geodynamic model allows one to reconstruct the surface features of topography on rand and in adjacent oceans (i.e., pateobat...Verard et el. (2015, Journal of Palaeogeography, 4(1 ): 64-84) claim that their global geodynamic model allows one to reconstruct the surface features of topography on rand and in adjacent oceans (i.e., pateobathymetry) anywhere on the gtobe and at any geological time during the past 600 miltion years (Ma). Such a grand model requires a rigorous scrutiny. The purpose of this discussion is to illustrate that the modet suffers from (1) the selective omission of real-world datasets that do not fit the model, (2) the inclusion of datasets without revealing their original sources or without citing relevant peer-reviewed publications, (3) the emphasis on 'unpublished' internal company datasets that disallow open access to the international scientific community, and (4) the use of poorly understood concepts without providing the basic conceptual clarity. These deficiencies undermine the credibility of the heuristic modet.展开更多
基金Department of Science and Technology of Guangdong Province(Project 2019B0909011001).
文摘An industrial park is one of the typical en ergy con sumption schemes in power systems owing to the heavy in dustrial loads and their abilities to resp ond to electricity price cha nges.Therefore,en ergy in tegrati on in the industrial sector is significant.Accordingly,the concept of industrial virtual power plant(IVPP)has been proposed to deal with such problems.This study demonstrates an IVPP model to man age resources in an eco-i ndustrial park,including en ergy storage systems,dema nd resp onse(DR)resources,and distributed energies.In addition,fuzzy theory is used to cha nge the deterministic system constraints to fuzzy parameters,considering the uncertainty of renewable energy,and fuzzy chance constraints are then set based on the credibility theory.By maximizi ng the daily ben efits of the IVPP owners in day-ahead markets,DR and energy storage systems can be scheduled economically.Therefore,the energy between the grid and IVPP can flow in both directions:the surplus renewable electricity of IVPP can be sold in the market;when the electricity gen erated in side IVPP is not enough for its use,IVPP can also purchase power through the market.Case studies based on three win d-level scenarios dem on strate the efficie nt syn ergies betwee n IVPP resources.The validatio n results indicate that IVPP can optimize the supply and demand resources in in dustrial parks,thereby decarbonizing the power systems.
文摘Verard et el. (2015, Journal of Palaeogeography, 4(1 ): 64-84) claim that their global geodynamic model allows one to reconstruct the surface features of topography on rand and in adjacent oceans (i.e., pateobathymetry) anywhere on the gtobe and at any geological time during the past 600 miltion years (Ma). Such a grand model requires a rigorous scrutiny. The purpose of this discussion is to illustrate that the modet suffers from (1) the selective omission of real-world datasets that do not fit the model, (2) the inclusion of datasets without revealing their original sources or without citing relevant peer-reviewed publications, (3) the emphasis on 'unpublished' internal company datasets that disallow open access to the international scientific community, and (4) the use of poorly understood concepts without providing the basic conceptual clarity. These deficiencies undermine the credibility of the heuristic modet.