JPS52104044A - Overlapping angle measuring device - Google Patents

Overlapping angle measuring device

Info

Publication number
JPS52104044A
JPS52104044A JP1987376A JP1987376A JPS52104044A JP S52104044 A JPS52104044 A JP S52104044A JP 1987376 A JP1987376 A JP 1987376A JP 1987376 A JP1987376 A JP 1987376A JP S52104044 A JPS52104044 A JP S52104044A
Authority
JP
Japan
Prior art keywords
overlapping angle
measuring device
angle measuring
overlapping
quickly
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
JP1987376A
Other languages
Japanese (ja)
Inventor
Makoto Hirokawa
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 JP1987376A priority Critical patent/JPS52104044A/en
Publication of JPS52104044A publication Critical patent/JPS52104044A/en
Pending legal-status Critical Current

Links

Landscapes

  • Inverter Devices (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Power Conversion In General (AREA)

Abstract

PURPOSE: To enable the measurement of overlapping angle safely and quickly with a simple circuit structure, by means of directly displaying the commutation overlapping angle of power converter which consists of switching element with digital or analog meter.
COPYRIGHT: (C)1977,JPO&Japio
JP1987376A 1976-02-27 1976-02-27 Overlapping angle measuring device Pending JPS52104044A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987376A JPS52104044A (en) 1976-02-27 1976-02-27 Overlapping angle measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987376A JPS52104044A (en) 1976-02-27 1976-02-27 Overlapping angle measuring device

Publications (1)

Publication Number Publication Date
JPS52104044A true JPS52104044A (en) 1977-09-01

Family

ID=12011322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987376A Pending JPS52104044A (en) 1976-02-27 1976-02-27 Overlapping angle measuring device

Country Status (1)

Country Link
JP (1) JPS52104044A (en)

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