(1)books
guangfu tang, wenhua liu. basic theory of high power electronics technology improving reliability of power grid, tsinghua university press, 2011
(2)textbook
(3)selected international journal papers since 2010
1)xiaoqian li, qiang song, wenhua liu, et al. zero-sequence voltage injection control scheme of modular multilevel converter supplying passive networks under unbalanced load conditions. electric power systems research, 2015, 121: 270-278.
2)zhao b, song q, liu w, and sun y. overview of dual-active-bridge isolated bidirectional dc-dc converter for high-frequency-link power-conversion system. ieee trans. power electronics, 2014, 29(08):4091-4106.
3)zhao b, song q, and liu w. dead-time effect of the high-frequency isolated bidirectional full-bridge dc-dc converter: comprehensive theoretical analysis and experimental verification. ieee trans. power electronics, 2014, 29(04): 1667-1680.
4)zhao b, song q, and liu w. experimental comparison of isolated bidirectional dc-dc converters based on all-si and all-sic power devices for next-generation power conversion application. ieee trans. industrial electronics, 2014, 61(03): 1389-1393.
5)zhao b, song q, liu w, and sun y. a synthetic discrete design methodology of high-frequency isolated bidirectional dc-dc converter for grid-connected battery energy storage system using advanced components. ieee trans. industrial electronics, 2014, 61(10): 5402-5410.
6)song q，liu w，li x，et al．a steady-state analysis method for a modular multilevel converter．ieee transactions on power electronics，2013，28(08)：3702–3713.
7)xiaoqian li, qiang song, hong rao, wenhua liu, shukai xu, licheng li. “protection of non-permanent faults on dc overhead lines in mmc based hvdc systems”, ieee transaction on power delivery, vol. 28, no. 1, pp. 483-490, january. 2013.
8)zhao b, song q, liu w, and sun w. current-stress-optimized switching strategy of isolated bidirectional dc-dc converter with dual-phase-shift control. ieee trans. industrial electronics, 2013, 60(10): 4458-4467.
9)zhao b, song q, liu w, and xiao y. next-generation multi-functional modular intelligent ups system for smart grid. ieee trans. industrial electronics, 2013, 60(09): 3602-3618.
10)zhao b, song q, and liu w. efficiency characterization and optimization of isolated bidirectional dc-dc converter based on dual-phase-shift control for dc distribution application. ieee trans. power electronics, 2013, 28(04): 1711-1727.
11)zhao b, song q, and liu w. power characterization of isolated bidirectional dual-active-bridge dc-dc converter with dual-phase-shift control. ieee trans. power electronics, 2012, 27(09): 4172-4176.
(4)selected conference papers since 2010
1) xiaoqian li, wenhua liu, qiang song, et al. an enhanced mmc topology with dc fault ride-through capability. industrial electronics society, 39th annual conference of the ieee iecon 2013: 6182-6188.
2) liu w h, zhao x h. research on unbalance load current compensation using cascaded statcom with star configuration, iecon 2012
(5)selected chinese journal papers since 2010
1) qi li, qiang song, wenhua liu, et al. a coordinated control strategy for fault ride-through of wind farm integration based on vsc-hvdc. power system technology, v 38, n 7, p 1739-1745, july 2014
2) xianghua zhao, qiang song, wenhua liu. 35 kv cascaded statcom and its application. journal of tsinghua university, v 54, n 1, p 109-113 132, january 2014
3) xiaoqian li, qiang song, wenhua liu, et al. an enhanced mmc topology with dc fault clearance capability. proceedings of the csee, vol.34,no.36, p 6389-6397, 2014
4) biao zhao, qiang song, wenhua liu. high-frequency-link dc solid state transformers for flexible dc distribution. proceedings of the chinese society of electrical engineering, v 34, n 25, p 4295-4303, september 5, 2014
5) qiang song, wenhua liu, xiaoqian li, at al. a steady-state analysis method for a modular multilevel converter. power system technology, v 36, n 11, p 198-204, 2012
6) xiao qian li, qiang song, wenhua liu, et al. capacitor voltage balancing control by using carrier phase-shift modulation of modular multilevel converters. proceedings of the csee, v 32, n 9, p 49-55, march 25, 2012
7) zhichang yuan qiang song, wenhua liu. the effect of regulated sampling on phase delay of phase-shift spwm output. transactions of china electro-technical society, v 25, n 11, p 107-112, november 2010
8) yiding jin, qiang song, wenhua liu. control and analysis of extensible cascaded battery energy storage system based on a common dc bus. automation of electric power systems, v34, n 15, p 66-70, august 10, 2010
9) zhichang yuan qiang song, wenhua liu. a modified soft phase lock loop algorithm improving the performance in dynamic phase tracking and detection of unbalanced voltage. power system technology, v 34, n 1, p 31-35, january 2010
10) zhongqi liu, qiang song, wenhua liu. vsc-hvdc system based on modular multilevel converters. automation of electric power systems, v 34, n 2, p 53-58, january 25, 2010
(6)authorized patent
1) wenhua liu, yuanhua chen. a pwm control scheme for multi-level converter. chinese patent of invention, publication no:zl03156358.9,2006.08
2) qiang song, wenhua liu. universal pwm control circuit of power electronics converter. chinese patent of invention, publication no:zl200510085220.x,2008.02
3) qiang song, wenhua liu. a digital tracking method of synchronous phase angle. chinese patent of invention, publication no:zl200510080303.x，2010.01
4) wenhua liu, juncheng geng, qiang song. dc voltage balancing circuit of static var generator based on chain circuit inverter. chinese patent of invention, publication no:zl200310115393.2，2007.03
5) wenhua liu, qiang song. start up power supply for chain circuit inverter in static var generator. chinese patent of invention, publication no:zl200510126184.7，2008.11
6) wenhua liu, qiang song, yuanhua chen, et al. controller for high voltage static var generator based on chain circuit inverter. chinese patent of invention, publication no:zl200910091191.6，2011.10
7) wenhua liu, qiang song, yuanhua chen, et al. output current measuring and protection installation for chain circuit converter. chinese patent of invention, publication no:zl200910083237.x，2010/12/1
8) qiang song, wenhua liu, yuanhua chen, et al. real time simulation method for power electronics converter. chinese patent of invention, publication no:zl201010260217.8，2012.06
9) wenhua liu, qiang song, yuanhua chen, et al. power supply for power module used in module multi-level converter. chinese patent of invention, publication no:zl201010531049.1，2012.11
