A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device

Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed i...
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Autor*in:	Teng Li [verfasserIn] Yongjun Zhou [verfasserIn] Mingli Wu [verfasserIn] Tingting He [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine

Übergeordnetes Werk:	In: IEEE Access - IEEE, 2014, 9(2021), Seite 22304-22316
Übergeordnetes Werk:	volume:9 ; year:2021 ; pages:22304-22316

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1109/ACCESS.2021.3055945

Katalog-ID:	DOAJ06220887X

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520			\|a Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage.
650		4	\|a Traction power supply
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allfields	10.1109/ACCESS.2021.3055945 doi (DE-627)DOAJ06220887X (DE-599)DOAJf72001d7d38b4f0fa81be3cf58660046 DE-627 ger DE-627 rakwb eng TK1-9971 Teng Li verfasserin aut A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage. Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering Yongjun Zhou verfasserin aut Mingli Wu verfasserin aut Tingting He verfasserin aut In IEEE Access IEEE, 2014 9(2021), Seite 22304-22316 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:9 year:2021 pages:22304-22316 https://doi.org/10.1109/ACCESS.2021.3055945 kostenfrei https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 kostenfrei https://ieeexplore.ieee.org/document/9343341/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021 22304-22316
spelling	10.1109/ACCESS.2021.3055945 doi (DE-627)DOAJ06220887X (DE-599)DOAJf72001d7d38b4f0fa81be3cf58660046 DE-627 ger DE-627 rakwb eng TK1-9971 Teng Li verfasserin aut A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage. Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering Yongjun Zhou verfasserin aut Mingli Wu verfasserin aut Tingting He verfasserin aut In IEEE Access IEEE, 2014 9(2021), Seite 22304-22316 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:9 year:2021 pages:22304-22316 https://doi.org/10.1109/ACCESS.2021.3055945 kostenfrei https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 kostenfrei https://ieeexplore.ieee.org/document/9343341/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021 22304-22316
allfields_unstemmed	10.1109/ACCESS.2021.3055945 doi (DE-627)DOAJ06220887X (DE-599)DOAJf72001d7d38b4f0fa81be3cf58660046 DE-627 ger DE-627 rakwb eng TK1-9971 Teng Li verfasserin aut A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage. Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering Yongjun Zhou verfasserin aut Mingli Wu verfasserin aut Tingting He verfasserin aut In IEEE Access IEEE, 2014 9(2021), Seite 22304-22316 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:9 year:2021 pages:22304-22316 https://doi.org/10.1109/ACCESS.2021.3055945 kostenfrei https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 kostenfrei https://ieeexplore.ieee.org/document/9343341/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021 22304-22316
allfieldsGer	10.1109/ACCESS.2021.3055945 doi (DE-627)DOAJ06220887X (DE-599)DOAJf72001d7d38b4f0fa81be3cf58660046 DE-627 ger DE-627 rakwb eng TK1-9971 Teng Li verfasserin aut A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage. Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering Yongjun Zhou verfasserin aut Mingli Wu verfasserin aut Tingting He verfasserin aut In IEEE Access IEEE, 2014 9(2021), Seite 22304-22316 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:9 year:2021 pages:22304-22316 https://doi.org/10.1109/ACCESS.2021.3055945 kostenfrei https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 kostenfrei https://ieeexplore.ieee.org/document/9343341/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021 22304-22316
allfieldsSound	10.1109/ACCESS.2021.3055945 doi (DE-627)DOAJ06220887X (DE-599)DOAJf72001d7d38b4f0fa81be3cf58660046 DE-627 ger DE-627 rakwb eng TK1-9971 Teng Li verfasserin aut A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage. Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering Yongjun Zhou verfasserin aut Mingli Wu verfasserin aut Tingting He verfasserin aut In IEEE Access IEEE, 2014 9(2021), Seite 22304-22316 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:9 year:2021 pages:22304-22316 https://doi.org/10.1109/ACCESS.2021.3055945 kostenfrei https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 kostenfrei https://ieeexplore.ieee.org/document/9343341/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 9 2021 22304-22316
language	English
source	In IEEE Access 9(2021), Seite 22304-22316 volume:9 year:2021 pages:22304-22316
sourceStr	In IEEE Access 9(2021), Seite 22304-22316 volume:9 year:2021 pages:22304-22316
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine Electrical engineering. Electronics. Nuclear engineering
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container_title	IEEE Access
authorswithroles_txt_mv	Teng Li @@aut@@ Yongjun Zhou @@aut@@ Mingli Wu @@aut@@ Tingting He @@aut@@
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callnumber-first	T - Technology
author	Teng Li
spellingShingle	Teng Li misc TK1-9971 misc Traction power supply misc electric multiple units traction network cascade system misc low frequency oscillation misc energy storage misc super capacitor misc virtual DC machine misc Electrical engineering. Electronics. Nuclear engineering A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device
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topic_title	TK1-9971 A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device Traction power supply electric multiple units traction network cascade system low frequency oscillation energy storage super capacitor virtual DC machine
topic	misc TK1-9971 misc Traction power supply misc electric multiple units traction network cascade system misc low frequency oscillation misc energy storage misc super capacitor misc virtual DC machine misc Electrical engineering. Electronics. Nuclear engineering
topic_unstemmed	misc TK1-9971 misc Traction power supply misc electric multiple units traction network cascade system misc low frequency oscillation misc energy storage misc super capacitor misc virtual DC machine misc Electrical engineering. Electronics. Nuclear engineering
topic_browse	misc TK1-9971 misc Traction power supply misc electric multiple units traction network cascade system misc low frequency oscillation misc energy storage misc super capacitor misc virtual DC machine misc Electrical engineering. Electronics. Nuclear engineering
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device
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title_full	A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device
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title_sort	new low-frequency oscillation suppression method based on emu on-board energy storage device
callnumber	TK1-9971
title_auth	A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device
abstract	Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage.
abstractGer	Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage.
abstract_unstemmed	Low frequency oscillation (LFO) in the electric multiple units (EMUs)-traction network cascade system (ETNCS) can lead to traction blockade and abnormal operation. Using the Chinese CRH3 EMUs as an example, a new LFO suppressing method by applying the energy storage (ES) device on EMUs is proposed in this paper and the ES is connected to the DC-link on board. The equivalent model of the ETNCS is established at first. The critical condition of LFO in the ETNCS is analyzed via impedance ratio criterion and Bode diagram. Then, the proposed on-board bidirectional DC-DC converter integrated with the ES system is controlled via a virtual DC machine (VDCM) strategy, and the VDCM small signal model derivation and the parameter design are carried out. Using the Bode diagram of the impedance ratio, the system stability with the ES device controlled by the proposed VDCM scheme is analyzed again; simulation results verify the effectiveness of the control algorithm to suppress the LFO adaptively. Compared with the traditional PI controller, the system steady-state and dynamic performance can be improved with the proposed method, including decreased overshoot, fluctuation, response time, and increased gain margin of the DC-link voltage.
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title_short	A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device
url	https://doi.org/10.1109/ACCESS.2021.3055945 https://doaj.org/article/f72001d7d38b4f0fa81be3cf58660046 https://ieeexplore.ieee.org/document/9343341/ https://doaj.org/toc/2169-3536
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author2	Yongjun Zhou Mingli Wu Tingting He
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up_date	2024-07-04T00:43:46.535Z
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A New Low-Frequency Oscillation Suppression Method Based on EMU On-Board Energy Storage Device

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