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Energies 2015, 8(8), 8613-8629; doi:10.3390/en8088613

Investigation of the Promotion of Wind Power Consumption Using the Thermal-Electric Decoupling Techniques

Department of Electrical Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Author to whom correspondence should be addressed.
Academic Editor: Shi Xue Dou
Received: 5 June 2015 / Revised: 5 July 2015 / Accepted: 6 August 2015 / Published: 13 August 2015
(This article belongs to the Special Issue Thermoelectric Energy Harvesting)
View Full-Text   |   Download PDF [668 KB, uploaded 19 August 2015]   |  

Abstract

In the provinces of north China, combined heat and electric power generations (CHP) are widely utilized to provide both heating source and electricity. While, due to the constraint of thermal-electric coupling within CHP, a mass of wind turbines have to offline operate during heating season to maintain the power grid stability. This paper proposes a thermal-electric decoupling (TED) approach to release the energy waste. Within the thermal-electric decoupling system, heat storage and electric boiler/heat pump are introduced to provide an auxiliary thermal source during hard peak shaving period, thus relying on the participation of an outside heat source, the artificial electric power output change interval could be widened to adopt more wind power and reduce wind power curtailment. Both mathematic models and methods are proposed to calculate the evaluation indexes to weight the effect of TED, by using the Monte Carlo simulation technique. Numerical simulations have been conducted to demonstrate the effectiveness of the proposed methods, and the results show that the proposed approach could relieve up to approximately 90% of wind power curtailment and the ability of power system to accommodate wind power could be promoted about 32%; moreover, the heating source is extended, about 300 GJ heat could be supplied by TED during the whole heating season, which accounts for about 18% of the total heat need. View Full-Text
Keywords: power system; heat system; wind power; combined heat and electric power generation; thermal-electric decoupling power system; heat system; wind power; combined heat and electric power generation; thermal-electric decoupling
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Rong, S.; Li, Z.; Li, W. Investigation of the Promotion of Wind Power Consumption Using the Thermal-Electric Decoupling Techniques. Energies 2015, 8, 8613-8629.

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