Control system for a PWM-based STATCOM
The always-increasing switching frequency of modern solid-state power switches, together with the application of multi-converter topologies, make it possible to use pulse width modulation (PWM) in high power applications of STATCOMs (static synchronous compensators). This paper investigates the cont...
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| Veröffentlicht in: | IEEE transactions on power delivery 2000-10, Vol.15 (4), p.1252-1257 |
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| container_title | IEEE transactions on power delivery |
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| creator | Garcia-Gonzalez, P. Garcia-Cerrada, A. |
| description | The always-increasing switching frequency of modern solid-state power switches, together with the application of multi-converter topologies, make it possible to use pulse width modulation (PWM) in high power applications of STATCOMs (static synchronous compensators). This paper investigates the control system for a PWM-based STATCOM. First of all, a discrete-time model of the STATCOM is derived to take into account the discrete-time implementation of the controller. Secondly, the control algorithm is detailed. It ensures decoupled control of the real and reactive power exchanged between the power converter and the electric-energy system. This is necessary to control the DC capacitor voltage during transients of the exchanged reactive power. Finally, the control of the capacitor voltage is explained in detail. The controller is tailored to keep the capacitor voltage almost constant in spite of the fast control of the reactive power. This helps to reduce the capacitor size significantly. The main contributions are illustrated using a 15 kVA laboratory prototype. |
| doi_str_mv | 10.1109/61.891511 |
| format | Article |
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This paper investigates the control system for a PWM-based STATCOM. First of all, a discrete-time model of the STATCOM is derived to take into account the discrete-time implementation of the controller. Secondly, the control algorithm is detailed. It ensures decoupled control of the real and reactive power exchanged between the power converter and the electric-energy system. This is necessary to control the DC capacitor voltage during transients of the exchanged reactive power. Finally, the control of the capacitor voltage is explained in detail. The controller is tailored to keep the capacitor voltage almost constant in spite of the fast control of the reactive power. This helps to reduce the capacitor size significantly. The main contributions are illustrated using a 15 kVA laboratory prototype.</description><identifier>ISSN: 0885-8977</identifier><identifier>EISSN: 1937-4208</identifier><identifier>DOI: 10.1109/61.891511</identifier><identifier>CODEN: ITPDE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Automatic voltage control ; Capacitors ; Control algorithms ; Control systems ; Electric potential ; Electric power generation ; Exchanging ; Pulse duration modulation ; Pulse width modulation ; Reactive power ; Reactive power control ; Solid state circuits ; Space vector pulse width modulation ; Switching frequency ; Topology ; Voltage ; Voltage control</subject><ispartof>IEEE transactions on power delivery, 2000-10, Vol.15 (4), p.1252-1257</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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This paper investigates the control system for a PWM-based STATCOM. First of all, a discrete-time model of the STATCOM is derived to take into account the discrete-time implementation of the controller. Secondly, the control algorithm is detailed. It ensures decoupled control of the real and reactive power exchanged between the power converter and the electric-energy system. This is necessary to control the DC capacitor voltage during transients of the exchanged reactive power. Finally, the control of the capacitor voltage is explained in detail. The controller is tailored to keep the capacitor voltage almost constant in spite of the fast control of the reactive power. This helps to reduce the capacitor size significantly. The main contributions are illustrated using a 15 kVA laboratory prototype.</description><subject>Automatic voltage control</subject><subject>Capacitors</subject><subject>Control algorithms</subject><subject>Control systems</subject><subject>Electric potential</subject><subject>Electric power generation</subject><subject>Exchanging</subject><subject>Pulse duration modulation</subject><subject>Pulse width modulation</subject><subject>Reactive power</subject><subject>Reactive power control</subject><subject>Solid state circuits</subject><subject>Space vector pulse width modulation</subject><subject>Switching frequency</subject><subject>Topology</subject><subject>Voltage</subject><subject>Voltage control</subject><issn>0885-8977</issn><issn>1937-4208</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0T1PwzAQBmALgUQpDKxMEUMFQ4rPdmzfWEXlQ2pVJIoYo3xcpFZpU-x06L_HKBUDA0w33KP3dHeMXQMfA3B80DC2CAnACRsAShMrwe0pG3Brk9iiMefswvs151xx5AM2Sttt59om8gff0SaqWxfl0evHPC5yT1X0tpws08X8kp3VeePp6liH7P1xukyf49ni6SWdzOJSatvFygJoU8iEkMtK5GVOmiRQQrZOBBllDRZUlKoClUihbGBc6aI2JQqsrByyUZ-7c-3nnnyXbVa-pKbJt9TufSasAEQt_4dGSAVSB3j3JwQuBIZjSAz09hddt3u3Dftm1irEMFwFdN-j0rXeO6qznVttcncISdn3CzINWf-CYG96uyKiH3dsfgGB-HvS</recordid><startdate>20001001</startdate><enddate>20001001</enddate><creator>Garcia-Gonzalez, P.</creator><creator>Garcia-Cerrada, A.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>F28</scope></search><sort><creationdate>20001001</creationdate><title>Control system for a PWM-based STATCOM</title><author>Garcia-Gonzalez, P. ; Garcia-Cerrada, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c368t-481167b35e903d2acae6e31e5e8f52e74879bebc4d1453248903046bf7c929d83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Automatic voltage control</topic><topic>Capacitors</topic><topic>Control algorithms</topic><topic>Control systems</topic><topic>Electric potential</topic><topic>Electric power generation</topic><topic>Exchanging</topic><topic>Pulse duration modulation</topic><topic>Pulse width modulation</topic><topic>Reactive power</topic><topic>Reactive power control</topic><topic>Solid state circuits</topic><topic>Space vector pulse width modulation</topic><topic>Switching frequency</topic><topic>Topology</topic><topic>Voltage</topic><topic>Voltage control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Garcia-Gonzalez, P.</creatorcontrib><creatorcontrib>Garcia-Cerrada, A.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power delivery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Garcia-Gonzalez, P.</au><au>Garcia-Cerrada, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Control system for a PWM-based STATCOM</atitle><jtitle>IEEE transactions on power delivery</jtitle><stitle>TPWRD</stitle><date>2000-10-01</date><risdate>2000</risdate><volume>15</volume><issue>4</issue><spage>1252</spage><epage>1257</epage><pages>1252-1257</pages><issn>0885-8977</issn><eissn>1937-4208</eissn><coden>ITPDE5</coden><abstract>The always-increasing switching frequency of modern solid-state power switches, together with the application of multi-converter topologies, make it possible to use pulse width modulation (PWM) in high power applications of STATCOMs (static synchronous compensators). This paper investigates the control system for a PWM-based STATCOM. First of all, a discrete-time model of the STATCOM is derived to take into account the discrete-time implementation of the controller. Secondly, the control algorithm is detailed. It ensures decoupled control of the real and reactive power exchanged between the power converter and the electric-energy system. This is necessary to control the DC capacitor voltage during transients of the exchanged reactive power. Finally, the control of the capacitor voltage is explained in detail. The controller is tailored to keep the capacitor voltage almost constant in spite of the fast control of the reactive power. This helps to reduce the capacitor size significantly. The main contributions are illustrated using a 15 kVA laboratory prototype.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/61.891511</doi><tpages>6</tpages></addata></record> |
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| issn | 0885-8977 1937-4208 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Automatic voltage control Capacitors Control algorithms Control systems Electric potential Electric power generation Exchanging Pulse duration modulation Pulse width modulation Reactive power Reactive power control Solid state circuits Space vector pulse width modulation Switching frequency Topology Voltage Voltage control |
| title | Control system for a PWM-based STATCOM |
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