JPS5534856A - Voltage controlling method of inverter - Google Patents

Voltage controlling method of inverter

Info

Publication number
JPS5534856A
JPS5534856A JP10762178A JP10762178A JPS5534856A JP S5534856 A JPS5534856 A JP S5534856A JP 10762178 A JP10762178 A JP 10762178A JP 10762178 A JP10762178 A JP 10762178A JP S5534856 A JPS5534856 A JP S5534856A
Authority
JP
Japan
Prior art keywords
produced
generating circuit
circuit
voltage
synchronous signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10762178A
Other languages
Japanese (ja)
Inventor
Tsunehiro Endo
Takuji Matsumura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10762178A priority Critical patent/JPS5534856A/en
Publication of JPS5534856A publication Critical patent/JPS5534856A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To provide an accurate position detection by detecting a rotor position by applying the armature terminal of commutatorless motor, avoiding the effects of distortion of armature terminal voltage wave form caused by pulse modulation.
CONSTITUTION: Position detection signals Ao∼Co transmitted from a converter 12 are fed into a synchronous signal generating circuit 15, a triangular generating circuit 38 allowing to produce a triangular wave voltage VT synchronizing with the synchronous signal which is produced from the synchronous signal generating circuit 15. A modulation signal s is produced by comparing triangular wave voltage VT with speed setting voltage Vc, giving modulation signal s and position detecting signals Ao, Bo Co to OR circuit 51∼56 and AND circuit 57∼62, producing signals g1∼g6 where only the period of the latter half 60° of 120° period is produced.
COPYRIGHT: (C)1980,JPO&Japio
JP10762178A 1978-09-04 1978-09-04 Voltage controlling method of inverter Pending JPS5534856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10762178A JPS5534856A (en) 1978-09-04 1978-09-04 Voltage controlling method of inverter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10762178A JPS5534856A (en) 1978-09-04 1978-09-04 Voltage controlling method of inverter

Publications (1)

Publication Number Publication Date
JPS5534856A true JPS5534856A (en) 1980-03-11

Family

ID=14463814

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10762178A Pending JPS5534856A (en) 1978-09-04 1978-09-04 Voltage controlling method of inverter

Country Status (1)

Country Link
JP (1) JPS5534856A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5885375A (en) * 1996-03-29 1999-03-23 Kabushiki Kaisha Kobe Seiko Sho High strength titanium alloy, product made of the titanium alloy and method for producing the product
US6063211A (en) * 1995-04-21 2000-05-16 Nippon Steel Corporation High strength, high ductility titanium-alloy and process for producing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6063211A (en) * 1995-04-21 2000-05-16 Nippon Steel Corporation High strength, high ductility titanium-alloy and process for producing the same
US5885375A (en) * 1996-03-29 1999-03-23 Kabushiki Kaisha Kobe Seiko Sho High strength titanium alloy, product made of the titanium alloy and method for producing the product

Similar Documents

Publication Publication Date Title
JPS54114691A (en) Servo circuit
JPS5534856A (en) Voltage controlling method of inverter
JPS62152384A (en) Frequency/voltage converter
JPS6141282A (en) Video signal recorder
JPS5272412A (en) Control system for commutatorless motor
JPS62175952A (en) Switching pulse generating device in drum motor for vtr
JPS538719A (en) Phase synchronous control device of revolving body
JPS563588A (en) Motor speed phase controlling device
JPS5466028A (en) Synchronous coupler
JPH01152985A (en) Drive/control circuit for dc motor
JPS5775321A (en) Digital servo device
JPS5843008A (en) Controlling system of positioning motor
JPS59192982A (en) Waveform generating circuit
JPS61296273A (en) Rotation signal generation circuit
JPS5250657A (en) Timing output generation circuit
JPS5416610A (en) Detecting method of motor speed
JPS5310810A (en) Control circuit for driving dc motor
JPS5264263A (en) Multi-phase clock pulse generator
JPS5556486A (en) Servo circuit
JPS61107163A (en) Apparatus for detecting speed
JPS5571178A (en) Output voltage control method of inverter
JPS5347223A (en) Electronic editing servo-circuit
JPS5858891A (en) Controller for commutatorless motor
JPS62260584A (en) Speed controller for synchronous motor
JPS5287347A (en) Synchronous pulse gate circuit