Fast field discharge for generator over-voltage control
A voltage regulator for controlling over-voltage conditions in an electrical generator by rapidly discharging the generator field winding current into a discharge resistor upon the detection of the over-voltage. A field discharge transistor is switched by a soft switching circuit to direct the gener...
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| creator | ELDERY MOHAMED A PATON ROBERT D |
| description | A voltage regulator for controlling over-voltage conditions in an electrical generator by rapidly discharging the generator field winding current into a discharge resistor upon the detection of the over-voltage. A field discharge transistor is switched by a soft switching circuit to direct the generator field winding current to the discharge resistor. A hysteresis circuit detects when a point of regulation voltage exceeds a first threshold triggering the discharge of the generator field winding current. The hysteresis circuit also detects when the point of regulation voltage goes below a second lower threshold and triggers the field discharge transistor to bypass the discharge resistor and return to a normal mode. |
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A field discharge transistor is switched by a soft switching circuit to direct the generator field winding current to the discharge resistor. A hysteresis circuit detects when a point of regulation voltage exceeds a first threshold triggering the discharge of the generator field winding current. The hysteresis circuit also detects when the point of regulation voltage goes below a second lower threshold and triggers the field discharge transistor to bypass the discharge resistor and return to a normal mode.</description><language>eng</language><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS ; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRICITY ; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS ; GENERATION</subject><creationdate>2010</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=20100518&DB=EPODOC&CC=US&NR=7719239B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100518&DB=EPODOC&CC=US&NR=7719239B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ELDERY MOHAMED A</creatorcontrib><creatorcontrib>PATON ROBERT D</creatorcontrib><title>Fast field discharge for generator over-voltage control</title><description>A voltage regulator for controlling over-voltage conditions in an electrical generator by rapidly discharging the generator field winding current into a discharge resistor upon the detection of the over-voltage. A field discharge transistor is switched by a soft switching circuit to direct the generator field winding current to the discharge resistor. A hysteresis circuit detects when a point of regulation voltage exceeds a first threshold triggering the discharge of the generator field winding current. The hysteresis circuit also detects when the point of regulation voltage goes below a second lower threshold and triggers the field discharge transistor to bypass the discharge resistor and return to a normal mode.</description><subject>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</subject><subject>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</subject><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</subject><subject>ELECTRICITY</subject><subject>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</subject><subject>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2010</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB3SywuUUjLTM1JUUjJLE7OSCxKT1VIyy9SSE_NSy1KLAGy8stSi3TL8nNKEoFSyfl5JUX5OTwMrGmJOcWpvFCam0HBzTXE2UM3tSA_PrW4IDEZqL0kPjTY3NzQ0sjY0snImAglAIK4LeI</recordid><startdate>20100518</startdate><enddate>20100518</enddate><creator>ELDERY MOHAMED A</creator><creator>PATON ROBERT D</creator><scope>EVB</scope></search><sort><creationdate>20100518</creationdate><title>Fast field discharge for generator over-voltage control</title><author>ELDERY MOHAMED A ; PATON ROBERT D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US7719239B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2010</creationdate><topic>CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS</topic><topic>CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS</topic><topic>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER</topic><topic>ELECTRICITY</topic><topic>EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS</topic><topic>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>ELDERY MOHAMED A</creatorcontrib><creatorcontrib>PATON ROBERT D</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ELDERY MOHAMED A</au><au>PATON ROBERT D</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Fast field discharge for generator over-voltage control</title><date>2010-05-18</date><risdate>2010</risdate><abstract>A voltage regulator for controlling over-voltage conditions in an electrical generator by rapidly discharging the generator field winding current into a discharge resistor upon the detection of the over-voltage. A field discharge transistor is switched by a soft switching circuit to direct the generator field winding current to the discharge resistor. A hysteresis circuit detects when a point of regulation voltage exceeds a first threshold triggering the discharge of the generator field winding current. The hysteresis circuit also detects when the point of regulation voltage goes below a second lower threshold and triggers the field discharge transistor to bypass the discharge resistor and return to a normal mode.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION |
| title | Fast field discharge for generator over-voltage control |
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