Voltage Synthesis Using Dual Virtual Quadrature Sources-A New Concept in AC Power Conversion

被引:42
作者
Divan, Deepak M. [1 ,2 ]
Sastry, Jyoti [1 ]
机构
[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30318 USA
[2] Innovolt Inc, Atlanta, GA 30305 USA
关键词
AC-AC power conversion; active filters; power control;
D O I
10.1109/TPEL.2008.2005036
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Controlling an ac voltage often involves changing the amplitude, phase, and/or harmonic content of the voltage. This an require the addition of voltage at or around the zero crossing of the available ac voltage. Synthesis of this additional voltage normally requires an ac or dc source (or energy storage element) from which the desired voltage can be synthesized using pulsewidth modulation techniques. This paper proposes a novel concept wherein dual virtual quadrature sources are used to synthesize the required additional voltage. This is seen to result in simple low-cost ac converters that are robust, have minimal component count, and can realize phase shift and/or harmonic control without requiring multiple sources or energy-storage elements. The approach is seen to have simple implementation and can realize potentially useful devices such as controllable transformers and inverter-less active filters.
引用
收藏
页码:3004 / 3013
页数:10
相关论文
共 9 条
[1]   Analysis and design of a new voltage sag compensator for critical loads in electrical power distribution systems [J].
Aeloíza, EC ;
Enjeti, PN ;
Morán, LA ;
Montero-Hernandez, OC ;
Kim, S .
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 2003, 39 (04) :1143-1150
[2]  
AELOIZA EC, 1999, IEEE T POWER ELECTR, V14, P1133
[3]   Analysis and Design of Optimum-Amplitude Nine-Switch Direct AC-AC Converters [J].
Alesina, Albert ;
Venturini, Marc G. B. .
IEEE TRANSACTIONS ON POWER ELECTRONICS, 1989, 4 (01) :101-112
[4]   Inverter-less active filters - A new concept in harmonic and VAR compensation [J].
Divan, Deepak ;
Sastry, Jyoti .
2007 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-6, 2007, :2926-2932
[5]   Controlling the flow of real and reactive power [J].
Edris, A ;
Mehraban, AS ;
Rahman, M ;
Gyugyi, L ;
Arabi, S ;
Reitman, T .
IEEE COMPUTER APPLICATIONS IN POWER, 1998, 11 (01) :20-25
[6]   Static synchronous series compensator: A solid-state approach to the series compensation of transmission lines [J].
Gyugyi, L ;
Schauder, CD ;
Sen, KK .
IEEE TRANSACTIONS ON POWER DELIVERY, 1997, 12 (01) :406-417
[7]   Benefits of SVC and STATCOM for electric utility application [J].
Noroozian, M ;
Taylor, CW .
2003 IEEE PES TRANSMISSION AND DISTRIBUTION CONFERENCE & EXPOSITION, VOLS 1-3, CONFERENCE PROCEEDINGS: BLAZING TRAILS IN ENERGY DELIVERY AND SERVICES, 2003, :1192-1199
[8]   Introducing the family of "sen" transformers: A set of power flow controlling transformers [J].
Sen, KK ;
Sen, ML .
IEEE TRANSACTIONS ON POWER DELIVERY, 2003, 18 (01) :149-157
[9]   Matrix converters [J].
Wheeler, P ;
Clare, J ;
Empringham, L ;
Apap, M ;
Bland, M .
POWER ENGINEERING JOURNAL, 2002, 16 (06) :273-282