Circuit arrangement for PLL speed control, with automatic setting of the operating point

The invention relates to a circuit arrangement for PLL speed control, with automatic setting of the operating point, especially for electronically commutated motors in cassette drive mechanisms. The object of the invention is to find a circuit arrangement for PLL speed control in which the optimum o...

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Hauptverfasser:	FISCHER,ROLAND, HOLFERT,CLAUS, ZAHN,DIETER, MOEBIUS,RICHARD
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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creator	FISCHER,ROLAND HOLFERT,CLAUS ZAHN,DIETER MOEBIUS,RICHARD
description	The invention relates to a circuit arrangement for PLL speed control, with automatic setting of the operating point, especially for electronically commutated motors in cassette drive mechanisms. The object of the invention is to find a circuit arrangement for PLL speed control in which the optimum operating point for the phase-difference signal is set automatically when running on no-load or basic load. This is achieved according to the invention in that the actual speed value is formed from the sum of the rectified generator voltage and a voltage which is proportional to phase difference, the static speed deviation in the locked state of the phase control loop is, furthermore, zero, and hence the e.m.f. supplied by a generator coupled to the motor, or the motor e.m.f. itself, is used as a reference voltage, making use of an analog memory.
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The object of the invention is to find a circuit arrangement for PLL speed control in which the optimum operating point for the phase-difference signal is set automatically when running on no-load or basic load. This is achieved according to the invention in that the actual speed value is formed from the sum of the rectified generator voltage and a voltage which is proportional to phase difference, the static speed deviation in the locked state of the phase control loop is, furthermore, zero, and hence the e.m.f. supplied by a generator coupled to the motor, or the motor e.m.f. itself, is used as a reference voltage, making use of an analog memory.</description><language>eng ; ger</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 ; GENERATION</subject><creationdate>1983</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=19830623&DB=EPODOC&CC=DE&NR=3244412A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19830623&DB=EPODOC&CC=DE&NR=3244412A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FISCHER,ROLAND</creatorcontrib><creatorcontrib>HOLFERT,CLAUS</creatorcontrib><creatorcontrib>ZAHN,DIETER</creatorcontrib><creatorcontrib>MOEBIUS,RICHARD</creatorcontrib><title>Circuit arrangement for PLL speed control, with automatic setting of the operating point</title><description>The invention relates to a circuit arrangement for PLL speed control, with automatic setting of the operating point, especially for electronically commutated motors in cassette drive mechanisms. 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This is achieved according to the invention in that the actual speed value is formed from the sum of the rectified generator voltage and a voltage which is proportional to phase difference, the static speed deviation in the locked state of the phase control loop is, furthermore, zero, and hence the e.m.f. supplied by a generator coupled to the motor, or the motor e.m.f. itself, is used as a reference voltage, making use of an analog memory.</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>GENERATION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1983</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKwkAQQNFtLES9wxxAiyR7AYkRixQWFnZhWGeTgWRnmZ3g9QXxAFYfHn_rni1rWNkAVTGNtFAyiKJw73somegFQZKpzEd4s02Aq8mCxgEKmXEaQSLYRCCZFL-QhZPt3SbiXOjw687BtXu0txNlGahkDJTIhkvX1N77qj5XzR_LBwwgOZU</recordid><startdate>19830623</startdate><enddate>19830623</enddate><creator>FISCHER,ROLAND</creator><creator>HOLFERT,CLAUS</creator><creator>ZAHN,DIETER</creator><creator>MOEBIUS,RICHARD</creator><scope>EVB</scope></search><sort><creationdate>19830623</creationdate><title>Circuit arrangement for PLL speed control, with automatic setting of the operating point</title><author>FISCHER,ROLAND ; HOLFERT,CLAUS ; ZAHN,DIETER ; MOEBIUS,RICHARD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE3244412A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>1983</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>GENERATION</topic><toplevel>online_resources</toplevel><creatorcontrib>FISCHER,ROLAND</creatorcontrib><creatorcontrib>HOLFERT,CLAUS</creatorcontrib><creatorcontrib>ZAHN,DIETER</creatorcontrib><creatorcontrib>MOEBIUS,RICHARD</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FISCHER,ROLAND</au><au>HOLFERT,CLAUS</au><au>ZAHN,DIETER</au><au>MOEBIUS,RICHARD</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Circuit arrangement for PLL speed control, with automatic setting of the operating point</title><date>1983-06-23</date><risdate>1983</risdate><abstract>The invention relates to a circuit arrangement for PLL speed control, with automatic setting of the operating point, especially for electronically commutated motors in cassette drive mechanisms. The object of the invention is to find a circuit arrangement for PLL speed control in which the optimum operating point for the phase-difference signal is set automatically when running on no-load or basic load. This is achieved according to the invention in that the actual speed value is formed from the sum of the rectified generator voltage and a voltage which is proportional to phase difference, the static speed deviation in the locked state of the phase control loop is, furthermore, zero, and hence the e.m.f. supplied by a generator coupled to the motor, or the motor e.m.f. itself, is used as a reference voltage, making use of an analog memory.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; ger
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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 GENERATION
title	Circuit arrangement for PLL speed control, with automatic setting of the operating point
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