Experimental investigation of a novel micro gas turbine with flexible switching function for distributed power system

doi:10.1007/s11708-020-0691-2

Front. Energy

2020, Vol. 14

Issue (4) : 790-800 https://doi.org/10.1007/s11708-020-0691-2

RESEARCH ARTICLE

Experimental investigation of a novel micro gas turbine with flexible switching function for distributed power system

Xiaojing LV¹(

), Weilun ZENG¹, Xiaoyi DING², Yiwu WENG²(

), Shilie WENG²

¹. Research Center for Low Carbon Combustion and Engine System, China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai 200240, China
². Gas Turbine Research Institute, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Download: PDF(1646 KB) HTML
Export: BibTeX | EndNote | Reference Manager | ProCite | RefWorks

Abstract

Micro gas turbine (MGT) is widely used in small-scale distributed power systems because of its low emissions and fuel flexibility. However, the under-utilization of its exhaust heat and the low electric efficiency are the main bottlenecks that restrict its application. Additionally, the flexible switching between the power generated by the MGT and the power grid is also a key factor for keeping the secure operation of a distributed power station. Therefore, this paper conducted some experimental investigations of a 30 kW MGT to provide reference solutions for the above issues. This MGT is located at Shanghai Jiao Tong University (SJTU), which is designed by the Gas Turbine Research Institute of SJTU, and is manufactured by a turbo-machinery factory in Chongqing, China. The demonstration prototype is mainly composed of a single stage centrifugal compressor, a radial turbine, a combustor, a high-speed permanent magnet generator, and a control system. The results show that the MGT can achieve steady operation at a low rotational speed from 10000 r/min to 34000 r/min in the case of using oil lubricated bearings, which can greatly reduce the economic cost compared with the use of air bearings. At the same time, the ignition success rate of combustion chamber (CC) reaches 98% at a low rotational speed, and a wide range of stable combustion area can be obtained, because of the novel design method of combustor by referencing the way applied in an axial flow aero-engine. The MGT generating set can achieve functions, such as starting up, ignition, stable operation, loaded operation, grid-connection and stopping. This system also can realize flexibly switching from the start motor mode to the generator mode, and from grid-connected mode to off-grid mode, because the innovative multi-state switching control system is adopted. The above research work can make our state master independent intellectual property rights of micro gas turbine, rather than continue to be subject to the technological monopoly of the developed states, which can provide theoretical and experimental support for the industrialization of MGT in China.

Keywords gas turbine flexible switching system control system distributed power system emission test

Corresponding Author(s): Xiaojing LV,Yiwu WENG

Online First Date: 04 September 2020 Issue Date: 21 December 2020

Cite this article:

Xiaojing LV,Weilun ZENG,Xiaoyi DING, et al. Experimental investigation of a novel micro gas turbine with flexible switching function for distributed power system[J]. Front. Energy, 2020, 14(4): 790-800.

URL:

https://academic.hep.com.cn/fie/EN/10.1007/s11708-020-0691-2
https://academic.hep.com.cn/fie/EN/Y2020/V14/I4/790

Fig.1 Generating set driven by MGT.

Tab.1 Turbine design and structural parameters

Fig.2 3-D turbine.

Fig.3 Stress nephogram of turbine.

Tab.2 Compressor design and structural parameters

Fig.4 3-D compressor.

Fig.5 Stress nephogram of compressor.

Fig.6 3-D assembled compressor and turbine.

Fig.7 Prototype of assembled compressor and turbine.

Fig.8 Prototype of combustor.

Fig.9 Control scheme of MGT generating set.

No	$m a / (kg ? s − 1)$	$T 2 / ° C$	$P 2 / MPa$	$m f / (kg ? s − 1)$	$T 3 / ° C$	$NO x / ppm$	Comment
1	0.150	135	0.167	0.0042–0.0029	855	30.9	Ignition
2	0.130	135	0.175	0.0039	815	–	Ignited
3	0.244	135	0.200	0.0078–0.0077	882–913	33.7	WS $1 ′$
4	0.245	135	0.200	0.0077	855	33.7	WS $2 ′$
5	0.249	135	0.220	0.0086	953	–	Refueling
6	0.248	135	0.220	0.0080	884	33.3	WS $4 ′$
7	0.250	135	0.240	0.0078–0.0079	893	33.7	WS $5 ′$
8	0.249	135	0.240	0.0072	843	30.4	WS $6 ′$
9	0.488	135	0.261	0.0149	872	33.4	WS $7 ′$
10	0.502	175	0.265	0.0150	873	31.5	WS $8 ′$

Tab.3 Emissions of micro gas turbine

Fig.10 30 kW-class MGT power generation system.

Fig.11 Diagram of experimental data for speed, temperature, and fuel flow rate of MGT.

Fig.12 Micro gas turbine generator control panel.

1	Y Li, Y Xia. DES /CCHP: the best utilization mode of natural gas for China’s low carbon economy. Energy Policy, 2013, 53: 477–483 https://doi.org/10.1016/j.enpol.2012.11.015
2	M Carvalho, M A Lozano, L M Serra. Multi-criteria synthesis of tri-generation systems considering economic and environmental aspects. Applied Energy, 2012, 91(1): 245–254 https://doi.org/10.1016/j.apenergy.2011.09.029
3	A Sheikhi, A M Ranjbar, H Oraee. Financial analysis and optimal size and operation for a multicarrier energy system. Energy and Buildings, 2012, 48: 71–78 https://doi.org/10.1016/j.enbuild.2012.01.011
4	S L Weng, Y W Weng. Distributed energy system in the Yangtze River delta region. Technical report, Shanghai Consulting & Academic Activities Center for Academicians of Chinese Academy of Engineering, 2018
5	L Jon. Run up to the millennium: state of the power generation gas industry. Global Gas Turbine News, 2000, 40(1): 9–12
6	S L Lee. Gas turbine industry overview. Global Gas Turbine News, 2000, 40(1): 5–8
7	Capstone Turbine Corporation. Capstone low emissions micro turbine technology. White Paper, 2000, available at the website of bioturbine
8	P Datasheets. Capstone Turbine Corporation. 2020, available at the website of capstoneturbine
9	Energy Office of the Ministry of Science and Technology. Key Project Feasibility Report of National High-tech Research and Development Plan of Distributed Energy System in Yangtze River Delta Region. Beijing, 2002
10	A Eleni, M Thomas, H Andreas, A Manfred. Experiment investigation of an inverted Brayton Cycle Micro Gas Turbine for CHP application. In: Proceedings of ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition, Charlotte, North Carolina, USA, 2017
11	K Inoue, E Harada, J Kitajima, K Tanaka. Construction and performance evaluation of prototype atmospheric pressure turbine (APT). In: Proceedings of ASME Turbo Expo 2006: Power for Land, Sea and Air, Barcelona, Spain, 2006
12	K Tanaka, K Inoue, J Kitajima. The development of 50 kW output power atmospheric pressure turbine (APT). In: Proceedings of ASME Turbo Expo 2007: Power for Land, Sea and Air, Montreal, Canada, 2007
13	D P Ward, M C Marina, P Alessandro. Toward higher micro gas turbine efficiency and flexibility—humidified micro gas turbines: a review. Journal of Engineering for Gas Turbines and Power, 2018, 140(8): 081702
14	N Alireza, S Shervin, B Masoud, M T Abolghasem. Experimental investigation of inlet distortion effect on performance of a micro gas turbine. Journal of Engineering for Gas Turbines and Power, 2018, 140(9): 092604
15	T Krummrein, M Henke, P Kutne. A highly flexible approach on the steady-state analysis of innovative micro gas turbine cycles. ASME Journal of Engineering for Gas Turbines and Power, 2018, 140(12): 121018 https://doi.org/10.1115/1.4040855
16	Z Wang, R Qin. Theory of Turbomachinery. Beijing: China Machine Press, 1988 (in Chinese)
17	H I H Saravanamuttoo, G F C Rogers, H Cohen. Gas Turbine Theory. 5th ed. London: Longman, 2001

[1]	Dengji ZHOU, Jiarui HAO, Dawen HUANG, Xingyun JIA, Huisheng ZHANG. Dynamic simulation of gas turbines via feature similarity-based transfer learning[J]. Front. Energy, 2020, 14(4): 817-835.
[2]	Zemin BO, Kai ZHANG, Peijie SUN, Xiaojing LV, Yiwu WENG. Performance analysis of cogeneration systems based on micro gas turbine (MGT), organic Rankine cycle and ejector refrigeration cycle[J]. Front. Energy, 2019, 13(1): 54-63.
[3]	Xiaojing LV, Yu WENG, Xiaoyi DING, Shilie WENG, Yiwu WENG. Technological development of multi-energy complementary system based on solar PVs and MGT[J]. Front. Energy, 2018, 12(4): 509-517.
[4]	Fidelis I. ABAM,Samuel O. EFFIOM,Olayinka S. OHUNAKIN. CFD evaluation of pressure drop across a 3-D filter housing for industrial gas turbine plants[J]. Front. Energy, 2016, 10(2): 192-202.
[5]	S. NIKBAKHT NASERABAD,K. MOBINI,A. MEHRPANAHI,M. R. ALIGOODARZ. Exergy-energy analysis of full repowering of a steam power plant[J]. Front. Energy, 2015, 9(1): 54-67.
[6]	Naresh YADAV, Irshad Ahmad KHAN, Sandeep GROVER. Structural modeling of a typical gas turbine system[J]. Front Energ, 2012, 6(1): 57-79.
[7]	Shi SU, Xinxiang YU. Progress in developing an innovative lean burn catalytic turbine technology for fugitive methane mitigation and utilization[J]. Front Energ, 2011, 5(2): 229-235.
[8]	Nengsheng BAO, Weidou NI, . Framework design of a hybrid energy system by combining wind farm with small gas turbine power plants[J]. Front. Energy, 2010, 4(2): 205-210.
[9]	Y. G. LI, P. PILIDIS, . Nonlinear design-point performance adaptation approaches and their comparisons for gas turbine applications[J]. Front. Energy, 2009, 3(4): 446-455.
[10]	WANG Guangjun, LI Gang, SHEN Shuguang. Fuzzy cascade control based on control’s history for superheated temperature[J]. Front. Energy, 2007, 1(3): 285-289.

Viewed

Full text

Abstract

Cited

Shared

Discussed