Study on Multidimensional Intelligence for Realizing Seamless Power Supply between the Port and Ship

2014 ◽  
Vol 631-632 ◽  
pp. 354-361
Author(s):  
Yan Qiong Song ◽  
Le Ming Xiao
Keyword(s):  
Power Supply ◽  
Electronic Device ◽  
Low Carbon ◽  
Current Limit ◽  
Marine Energy ◽  
Circulation Current ◽  
Carbon Emissions Reduction ◽  
Limit Effect ◽  
Synchronous Technology ◽  
Seamless Connection

The dissertation discussed marine generator synchronous technology, as well as, intelligent on-shore controlling circulation current by means of using reactor to limit circulation current, both of which may realize seamless connection between ship electrical system and shore power; and also demonstrated intelligent FCL all-controlling power electronic device GTO (Gate Turn-off Thyristor) blocking and conducting, that can ensure the rapidity of connecting and disconnecting reactor and notable current limit effect. The dissertation proves the effect of seamless power supply between the port and ship, as a result of simulation model of intelligent FCL on-shore controlling circulation current. And intelligently dealing with electricity bills processing, as well as seamless power supply, which realize marine energy conservation and low-carbon emissions reduction in the port, can ensure to realize uninterruptable power on-shore connection, and at the same time promote the development of intelligent port.

Challenges and Opportunities for Green Hydrogen Power Supply in Oil and Gas Remote Facilities

2021 ◽  
Author(s):  
Salvador Alejandro Ruvalcaba Velarde
Keyword(s):  
Renewable Energy ◽  
Power Supply ◽  
Oil And Gas ◽  
Hydrogen Generation ◽  
Oil And Gas Industry ◽  
Gas Production ◽  
Energy Carrier ◽  
Low Carbon ◽  
Cost Constraints ◽  
Supply Systems

Abstract The energy transition to renewable energy and hydrogen as an energy carrier, along with low-carbon footprint production targets in the oil and gas industry act as a catalytic for exploring the role of hydrogen in oil and gas production. For upstream and midstream operations, potential opportunities for using hydrogen as an energy carrier are being developed both in hydrogen generation (X-to-hydrogen) as well as in hydrogen consumption (hydrogen-to-X), but not without series of technical and economical challenges. This paper presents potential use cases in upstream and midstream facilities for hydrogen generation and consumption, be it both from hydrocarbon processing resultant in what is called "blue hydrogen" or from integration with renewable energy to form what is called "green hydrogen". It also explains process integration requirements with diagrams for full-cycle green hydrogen use from generation to consumption and its interaction with renewable energy technologies to achieve low to zero-carbon emission power supply systems. Different hydrogen generation and conversion technologies are reviewed as part of the modeling process. Green hydrogen feasibility is assessed in terms of operational efficiency and cost constraints. Hybrid hydrogen and renewable energy power supply systems are simulated and presented according to the intended applications of use in oil and gas facilities. This paper provides a feasibility analysis and hydrogen technology integration potential with renewable energy for applications in oil and gas remote facilities power supply. It also shows emerging hydrogen technologies potential for use in upstream and midstream applications.

Fair Share of Supply Chain Responsibility for Low Carbon Manufacturing

2016 ◽  
pp. 235-266
Author(s):  
Yu Mei Wong
Keyword(s):  
Supply Chain ◽  
Supply Chains ◽  
Carbon Emissions ◽  
Accurate Information ◽  
Low Carbon ◽  
Embodied Carbon ◽  
Carbon Emissions Reduction ◽  
Consumer Responsibility ◽  
Embodied Carbon Emissions ◽  
Sharing Responsibility

Large amounts of carbon emissions and pollution are generated during the manufacturing process for consumer goods. Low carbon manufacturing has been increasingly enquired or requested by stakeholders. However, international trade blurs the responsibility for carbon emissions reduction and raises the questions of responsibility allocation among producers and consumers. Scholars have been examining the nexus of producer versus consumer responsibility among supply chains. Recently, there have been discussions on the share of producer and consumer responsibility. Both producer and consumer responsibility approaches have intrinsic shortcomings and are ineffective in curbing the rise of carbon emissions in supply chains. Shared responsibility based on the equity principle attempts to address these issues. This chapter relates a case study of carbon impact on China's export and economy with scenarios which show that the benefits of carbon reduction by producers can trickle down along the supply chain and motivate the sharing responsibility under certain circumstances. The share of producer and consumer responsibility for low carbon manufacturing can be enabled when embodied carbon emissions in goods and services are priced and such accurate information is available. A mechanism engaging the global participation is recommended. The author calls for further research on the system pricing embodied carbon emission, the universal standard to calculate the embodied carbon emissions and to disclose the information, and the way to secure global cooperation and participation.

Global Review of Recent Ocean Energy Activities

2013 ◽  
Vol 47 (5) ◽  
pp. 97-103 ◽  
Author(s):  
Ana Brito Melo ◽  
Eoin Sweeney ◽  
Jose Luis Villate
Keyword(s):  
Wind Energy ◽  
Energy Resource ◽  
Offshore Wind ◽  
Low Carbon ◽  
Ocean Energy ◽  
Intergovernmental Organization ◽  
Marine Energy ◽  
Marine Current ◽  
Technology Convergence ◽  
Set Up

AbstractOcean energy is regarded as an important future source of energy generation in many countries for transition to a low-carbon future. While commercial interest in ocean energy is growing significantly at a global level, there are considerable investment costs and bottlenecks that will need to be overcome. Research and funds are spread over many different wave and marine current energy concepts under development, and there is still no technology convergence, in contrast to what happened in wind energy. Although an important marine energy resource, discussion of offshore wind energy is not included in this manuscript. This article focuses on the latest developments in ocean energy—in particular, open-sea testing facilities set up by several countries as a measure to encourage deployment and streamlining procedures—and gives an overview of projects going into the water this past year. In addition, the article highlights the importance of collaborative research and development on ocean energy projects and the unique role of the Ocean Energy Systems Implementing Agreement as an intergovernmental organization promoting the use of ocean energy (wave, marine currents, tidal, ocean thermal gradients and salinity gradients) for energy extraction.

scholarly journals An Alternative Power Supply System During Peak Loads Using Solar Cells

2018 ◽  
Vol 9 (3) ◽  
pp. 1338
Author(s):  
Zulfikar Zulfikar ◽  
Zulhelmi Zulhelmi ◽  
Agus Mulyadi
Keyword(s):  
Power Plant ◽  
Solar Energy ◽  
Power Supply ◽  
Energy Requirement ◽  
Peak Load ◽  
Electricity Consumption ◽  
Maximum Energy ◽  
Maximum Power ◽  
Current Limit ◽  
Battery Energy

Utilization of renewable energy becomes a necessity in the future due to the fossil energy supply continues to decline. In Indonesia, the use of electricity from renewable sources is minimal. The utilization of solar energy in Indonesia is still limited to remote areas or islands. The main problem of electricity in Indonesia, especially in the city of Banda Aceh, is the frequent occurrence of power outages from the state power plant (PLN), especially during peak load time (WBP). Outside of that time, electricity supply exceeds demand. This study aims to utilize solar energy to reduce the electricity consumption of PLN during WBP. The system is designed to divert the power supply from PLN to the solar power plant (PLTS). The results of a survey of 10 A (current limit) customers are used as a reference to calculate PLTS capacity. During WBP, PLTS supplies to the load, beyond that time, PLN will supply the load. The system is designed to store maximum energy beyond the WBP period into the battery, the source of energy is mainly from the PLTS and alternatively from the PLN when the PLTS can not supply the maximum power. Based on battery energy, the system diverts the load supply from PLN when the battery energy is below the recharge limit. In the case of 10 A customers, with the energy requirement during WBP of 4.3 kWh, it requires 12 solar panels (160 Watt maximum power) arranged in parallel. Thus, the system needs three batteries with 150 Ah capacity also assembled in parallel. The implementation results prove that the PLTS can store solar energy to the battery properly, the system also successfully divert the PLTS source to the load at the time of WBP and transfer back to the PLN source when the battery energy is less than the recharge limit.

Contracting Emissions Reduction Supply Chain Based on Market Low-Carbon Preference and Carbon Intensity Constraint

2020 ◽  
Vol 37 (02) ◽  
pp. 2050003
Author(s):  
Jiaping Xie ◽  
Jing Li ◽  
Ling Liang ◽  
Xu Fang ◽  
Guang Yang ◽  
...  
Keyword(s):  
Supply Chain ◽  
Cost Sharing ◽  
Numerical Study ◽  
Carbon Intensity ◽  
Emissions Reduction ◽  
Low Carbon ◽  
Cost Coefficient ◽  
Carbon Emissions Reduction ◽  
Negative Effect ◽  
The Impact

Carbon emissions reduction has become a frequently discussed topic in industry and academia. However, how can reduction effects be enhanced with dominant brand and downstream manufacturer? This paper incorporates emissions reduction into a green supply chain which considers consumers’ low-carbon preference behavior and government intensity regulations, in order to discuss the impacts of consumers’ environmental awareness and government constraints on optimal emissions reduction and profit, respectively. The paper first constructs three reduction models on the basis of reality: independent reduction by manufacturer, contractual reduction by brand and collaborative reduction by both. Then it concludes the optimal decisions and compare the models. The results show that both the profits and emissions reduction will be decreased with the strengthened carbon intensity constraint, but the cost-sharing contract can mitigate this negative effect on dominant brand and society. Meanwhile, the acceptable range of cost-sharing ratio will be smaller with a lower cost coefficient of emissions reduction and a higher consumers’ preference. Furthermore, government should design the incentive method or regulate the carbon market to improve the social welfare level. Lastly, a numerical study is conducted, the impact of several key factors on supply chain performance and model selection are presented for management decisions.

Design and Experimental Research of a New Horizontal Wave and Flow Generation Device

2013 ◽  
Vol 404 ◽  
pp. 337-343
Author(s):  
Shi Ming Wang ◽  
Dao Tao Lei
Keyword(s):  
Power Supply ◽  
Low Cost ◽  
Sewage Treatment ◽  
Performance Testing ◽  
Integrated System ◽  
Offshore Wind ◽  
Wave Flow ◽  
Good Prospect ◽  
Multi Stage ◽  
Marine Energy

According to the current needs of the independent power supply to the offshore marine equipment and reefs, as well as the serious status of the world's energy crisis, environmental pollution, we design a miniaturized modular turbine marine energy generation device. With turbine which is circular evenly arranged vane typed as its wave flow capturing device,and through the spindle which fixedly mounted with the turbine, transmiting the captured energy directly to the generator which is mounted at the end of the spindle,eventually the entire device achieves single-stage transmission,and overcomes the problems such as low conversion efficiency and complicated structure in comparision with the traditional multi-stage conversion power generation device.The entire device achieves offshore running by buoys floating, anchor chain mooring and data remotely controlling .With the establishment of the program, 3D modeling and simulation,prototype production and processing, performance testing of key components and prototype flume tests,the project has got a lot grades.The device can extend to the multiple complementary power supply system with offshore wind, solar and so on,and achive integrated system to islands with low-cost power supply,desalination and sewage treatment,which has a good prospect.

scholarly journals Carbon Asset of Electrification: Valuing the Transition from Fossil Fuel-Powered Buses to Battery Electric Buses in Beijing

2019 ◽  
Vol 11 (10) ◽  
pp. 2749 ◽  
Author(s):  
Xinkuo Xu ◽  
Xiaofeng Lv ◽  
Liyan Han
Keyword(s):  
Economic Evaluation ◽  
Carbon Emissions ◽  
Fossil Fuel ◽  
Academic Support ◽  
Economic Value ◽  
Carbon Price ◽  
Low Carbon ◽  
Asset Value ◽  
Carbon Emissions Reduction ◽  
Termination Time

An increasing number of cities are transitioning from fossil fuel-powered buses for public transport to battery electric buses, but there is still much confusion about the economic evaluation of the electrification of buses, especially in terms of the carbon asset value for carbon emissions reduction in this transition. Taking Beijing as the example, this paper studies the economic value of the transition of public buses from fossil fuel-powered buses to battery electric buses from the perspective of carbon asset theory, and mainly focuses the analysis on direct carbon emissions. First, the theory and methodology of carbon asset evaluation are introduced for the transition from fossil fuel-powered buses to battery electric buses. Second, the internal determinants of the carbon assets for the transition from fossil fuel-powered buses to battery electric buses are studied. Third, the distinct impacts of the determinants of the carbon assets of the transition from fossil fuel-powered buses to battery electric buses are analysed. The results indicate that (1) the transition from fossil fuel-powered buses to battery electric buses has a carbon asset value; (2) the carbon asset value of the transition from fossil fuel-powered buses to battery electric buses is determined by the distance-specific CO2 emissions of fossil fuel-powered buses, the carbon price and the annual driving distances of the buses as well as the discounted rate of the carbon assets for buses and the termination time of the fossil fuel-powered or battery electric buses; and (3) the carbon assets contribute to the economic value of the transition from fossil fuel-powered buses to battery electric buses. This paper provides academic support for the economic evaluation of the transition from fossil fuel-powered buses to battery electric buses in a low-carbon society.

scholarly journals Coal-Electric Power Supply Chain Reduction and Operation Strategy under the Cap-and-Trade Model and Green Financial Background

2019 ◽  
Vol 11 (11) ◽  
pp. 3021 ◽  
Author(s):  
Bowen Da ◽  
Chuanzhe Liu ◽  
Nana Liu ◽  
Yufei Xia ◽  
Fangming Xie
Keyword(s):  
Supply Chain ◽  
Electric Power ◽  
Power Supply ◽  
Price Regulation ◽  
Bank Loan ◽  
Low Carbon ◽  
Electric Power Supply ◽  
Carbon Reduction ◽  
Trade Model ◽  
Electric Enterprises

For reliving the pressure of air pollution and corresponding the sustainability development policy in China, the companies are urging the creation of a highly productive low-carbon supply chain. This work uses price regulation, the cap-and-trade model, and a green financial policy background to establish a strategy for the coal–electric power supply chain with two-level carbon reduction and operation with financial constraints. A Stackelberg model was built to help investigate the rate of thermal order realization, the carbon reduction strategy in the coal enterprise, and the amount of thermal energy ordered in the electric enterprise. Results show that under a green financial background, a high bank loan discount rate for investing in carbon reduction technology equates to large carbon reduction in coal enterprises, large quantities of thermal energy ordered in electric enterprises, and high profit for coal and electric enterprises. However, the realization rate of thermal power ordered decreased when the price regulation become strict, thereby reducing the profit and carbon emission in electric enterprise. Therefore, the thermal price regulation level increased, the profit on both company and the production did not respond with sensitivity, and the government could encourage a low carbon model by controlling the bank loan rate.

Hebei Electric Power Energy Structure and the Power Supply and Demand Prediction under the Low-Carbon Economy - Analysis Based on the Gray GM (1,1) Model

2013 ◽  
Vol 756-759 ◽  
pp. 3052-3056
Author(s):  
Yuan Sheng Hang ◽  
Qing Zhu
Keyword(s):  
Electric Power ◽  
Power Supply ◽  
Structure Prediction ◽  
Supply And Demand ◽  
Electric Power Industry ◽  
Power Structure ◽  
Hebei Province ◽  
Scientific Development ◽  
Energy Structure ◽  
Low Carbon

The electric power industry is the largest CO2 emitting sector in the national economy. So optimize the power structure is an important part of energy conservation. This article selected the data of power supplydemand and the power structure in Hebei Province from 2004 to 2011 on the basis of the analysis of the power structure. It established a short-term prediction model based on gray theory, and made the power supply and demand situation and the power structure prediction of Hebei province in the next five years, and provides a reference for the scientific development of the power structure optimization of Hebei Province in the low-carbon context.

Sign in / Sign up

Export Citation Format

Share Document