ELECTRONIC METHOD BALLAST OF ZERO VOLTAGE SWITCHING METHOD FOR FLUORESCENT LAMP
PURPOSE: To stabilize frequencies, facilitate integration, and improve reliability by comparing a comparison signal of high-frequency which is set at a switching control signal generating circuit with a reference signal, and generating a switching control signal. CONSTITUTION: A sawtooth wave, gener...
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| creator | SAI RAKUSHIYUN ZEN TATSUE IKE KIYOUKA SOU FUKUKI SHIN TOMEI |
| description | PURPOSE: To stabilize frequencies, facilitate integration, and improve reliability by comparing a comparison signal of high-frequency which is set at a switching control signal generating circuit with a reference signal, and generating a switching control signal. CONSTITUTION: A sawtooth wave, generated in a switching control signal generating circuit 100, is compared with a reference signal, and a stabilized switching control signal is generated. Thus, a frequency of a switching driving signal is stabilized, and the configuration of the system will be simple and easy to integrate. Also, since the condition of zero-voltage switching is optimized at the designing stage by the setting of the reference signals, the switching control will be possible in the optimized condition such that the voltage of the both ends of switching elements 24, 28 is zero. Further, the reliability of the system can be improved by detecting the condition of overheat or condition of overcurrent of the elements 24, 28, and by resetting a drive signal generating part of the circuit 100, in response to the detected results. |
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CONSTITUTION: A sawtooth wave, generated in a switching control signal generating circuit 100, is compared with a reference signal, and a stabilized switching control signal is generated. Thus, a frequency of a switching driving signal is stabilized, and the configuration of the system will be simple and easy to integrate. Also, since the condition of zero-voltage switching is optimized at the designing stage by the setting of the reference signals, the switching control will be possible in the optimized condition such that the voltage of the both ends of switching elements 24, 28 is zero. Further, the reliability of the system can be improved by detecting the condition of overheat or condition of overcurrent of the elements 24, 28, and by resetting a drive signal generating part of the circuit 100, in response to the detected results.</description><edition>6</edition><language>eng</language><subject>APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS ; CONTROL OR REGULATION THEREOF ; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER ; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; ELECTRIC HEATING ; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; GENERATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>1995</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=19950317&DB=EPODOC&CC=JP&NR=H0773983A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950317&DB=EPODOC&CC=JP&NR=H0773983A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SAI RAKUSHIYUN</creatorcontrib><creatorcontrib>ZEN TATSUE</creatorcontrib><creatorcontrib>IKE KIYOUKA</creatorcontrib><creatorcontrib>SOU FUKUKI</creatorcontrib><creatorcontrib>SHIN TOMEI</creatorcontrib><title>ELECTRONIC METHOD BALLAST OF ZERO VOLTAGE SWITCHING METHOD FOR FLUORESCENT LAMP</title><description>PURPOSE: To stabilize frequencies, facilitate integration, and improve reliability by comparing a comparison signal of high-frequency which is set at a switching control signal generating circuit with a reference signal, and generating a switching control signal. 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CONSTITUTION: A sawtooth wave, generated in a switching control signal generating circuit 100, is compared with a reference signal, and a stabilized switching control signal is generated. Thus, a frequency of a switching driving signal is stabilized, and the configuration of the system will be simple and easy to integrate. Also, since the condition of zero-voltage switching is optimized at the designing stage by the setting of the reference signals, the switching control will be possible in the optimized condition such that the voltage of the both ends of switching elements 24, 28 is zero. Further, the reliability of the system can be improved by detecting the condition of overheat or condition of overcurrent of the elements 24, 28, and by resetting a drive signal generating part of the circuit 100, in response to the detected results.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS,e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USERAPPLICATIONS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | ELECTRONIC METHOD BALLAST OF ZERO VOLTAGE SWITCHING METHOD FOR FLUORESCENT LAMP |
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