PRESSURE CONTROL METHOD AND SYSTEM TO REDUCE GAS TURBINE FUEL SUPPLY PRESSURE REQUIREMENTS
PROBLEM TO BE SOLVED: To provide a system and method to reduce gas fuel supply pressure requirements of a gas turbine.SOLUTION: The system and method results in an increased operability range and a reduction in gas turbine trips. According to the method, the gas turbine is allowed to start and opera...
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| creator | THATCHER JONATHAN CARL ELURIPATI RAVI PRAVEEN S CHILDERS PRISCILLA GALLAGHER BRIAN SWEET BRYAN EDWARD |
| description | PROBLEM TO BE SOLVED: To provide a system and method to reduce gas fuel supply pressure requirements of a gas turbine.SOLUTION: The system and method results in an increased operability range and a reduction in gas turbine trips. According to the method, the gas turbine is allowed to start and operate at supply pressures determined as a function of outside air conditions and gas turbine compressor pressure ratio. This increases the operability window, and reduces or eliminates the need for gas fuel compressors. The method comprises: determining a first required fuel pressure at upstream side to fuel nozzles; determining a minimum allowable pressure requirement at upstream side of a gas control valve on the basis of the first required fuel pressure; and determining a fuel pressure reference for control of a pressure control valve on the basis of the minimum allowable pressure requirement. |
| format | Patent |
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According to the method, the gas turbine is allowed to start and operate at supply pressures determined as a function of outside air conditions and gas turbine compressor pressure ratio. This increases the operability window, and reduces or eliminates the need for gas fuel compressors. The method comprises: determining a first required fuel pressure at upstream side to fuel nozzles; determining a minimum allowable pressure requirement at upstream side of a gas control valve on the basis of the first required fuel pressure; and determining a fuel pressure reference for control of a pressure control valve on the basis of the minimum allowable pressure requirement.</description><language>eng</language><subject>AIR INTAKES FOR JET-PROPULSION PLANTS ; BLASTING ; COMBUSTION APPARATUS ; COMBUSTION ENGINES ; COMBUSTION PROCESSES ; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS ; GAS-TURBINE PLANTS ; GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2014</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140403&DB=EPODOC&CC=JP&NR=2014058983A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140403&DB=EPODOC&CC=JP&NR=2014058983A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>THATCHER JONATHAN CARL</creatorcontrib><creatorcontrib>ELURIPATI RAVI PRAVEEN S</creatorcontrib><creatorcontrib>CHILDERS PRISCILLA</creatorcontrib><creatorcontrib>GALLAGHER BRIAN</creatorcontrib><creatorcontrib>SWEET BRYAN EDWARD</creatorcontrib><title>PRESSURE CONTROL METHOD AND SYSTEM TO REDUCE GAS TURBINE FUEL SUPPLY PRESSURE REQUIREMENTS</title><description>PROBLEM TO BE SOLVED: To provide a system and method to reduce gas fuel supply pressure requirements of a gas turbine.SOLUTION: The system and method results in an increased operability range and a reduction in gas turbine trips. According to the method, the gas turbine is allowed to start and operate at supply pressures determined as a function of outside air conditions and gas turbine compressor pressure ratio. This increases the operability window, and reduces or eliminates the need for gas fuel compressors. The method comprises: determining a first required fuel pressure at upstream side to fuel nozzles; determining a minimum allowable pressure requirement at upstream side of a gas control valve on the basis of the first required fuel pressure; and determining a fuel pressure reference for control of a pressure control valve on the basis of the minimum allowable pressure requirement.</description><subject>AIR INTAKES FOR JET-PROPULSION PLANTS</subject><subject>BLASTING</subject><subject>COMBUSTION APPARATUS</subject><subject>COMBUSTION ENGINES</subject><subject>COMBUSTION PROCESSES</subject><subject>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</subject><subject>GAS-TURBINE PLANTS</subject><subject>GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS</subject><subject>HEATING</subject><subject>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzLEKwjAQgOEuDqK-w-EuVKtQx5hcbaVN0rvLUJdSJE6ihfr-uIiz0798_PPk6gmZAyFoZ4VcDQ1K6Qwoa4A7FmxAHBCaoBHOikECnSqLUASsgYP3dQe_CWEbKsIGrfAymd2HxxRX3y6SdYGiy00cX32cxuEWn_HdX_wu3e7TQ37MM5X9hT78fzLd</recordid><startdate>20140403</startdate><enddate>20140403</enddate><creator>THATCHER JONATHAN CARL</creator><creator>ELURIPATI RAVI PRAVEEN S</creator><creator>CHILDERS PRISCILLA</creator><creator>GALLAGHER BRIAN</creator><creator>SWEET BRYAN EDWARD</creator><scope>EVB</scope></search><sort><creationdate>20140403</creationdate><title>PRESSURE CONTROL METHOD AND SYSTEM TO REDUCE GAS TURBINE FUEL SUPPLY PRESSURE REQUIREMENTS</title><author>THATCHER JONATHAN CARL ; ELURIPATI RAVI PRAVEEN S ; CHILDERS PRISCILLA ; GALLAGHER BRIAN ; SWEET BRYAN EDWARD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014058983A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>AIR INTAKES FOR JET-PROPULSION PLANTS</topic><topic>BLASTING</topic><topic>COMBUSTION APPARATUS</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION PROCESSES</topic><topic>CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS</topic><topic>GAS-TURBINE PLANTS</topic><topic>GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS</topic><topic>HEATING</topic><topic>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>THATCHER JONATHAN CARL</creatorcontrib><creatorcontrib>ELURIPATI RAVI PRAVEEN S</creatorcontrib><creatorcontrib>CHILDERS PRISCILLA</creatorcontrib><creatorcontrib>GALLAGHER BRIAN</creatorcontrib><creatorcontrib>SWEET BRYAN EDWARD</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>THATCHER JONATHAN CARL</au><au>ELURIPATI RAVI PRAVEEN S</au><au>CHILDERS PRISCILLA</au><au>GALLAGHER BRIAN</au><au>SWEET BRYAN EDWARD</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PRESSURE CONTROL METHOD AND SYSTEM TO REDUCE GAS TURBINE FUEL SUPPLY PRESSURE REQUIREMENTS</title><date>2014-04-03</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a system and method to reduce gas fuel supply pressure requirements of a gas turbine.SOLUTION: The system and method results in an increased operability range and a reduction in gas turbine trips. According to the method, the gas turbine is allowed to start and operate at supply pressures determined as a function of outside air conditions and gas turbine compressor pressure ratio. This increases the operability window, and reduces or eliminates the need for gas fuel compressors. The method comprises: determining a first required fuel pressure at upstream side to fuel nozzles; determining a minimum allowable pressure requirement at upstream side of a gas control valve on the basis of the first required fuel pressure; and determining a fuel pressure reference for control of a pressure control valve on the basis of the minimum allowable pressure requirement.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MECHANICAL ENGINEERING WEAPONS |
| title | PRESSURE CONTROL METHOD AND SYSTEM TO REDUCE GAS TURBINE FUEL SUPPLY PRESSURE REQUIREMENTS |
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