JPH0424668B2 - - Google Patents

Info

Publication number
JPH0424668B2
JPH0424668B2 JP9383981A JP9383981A JPH0424668B2 JP H0424668 B2 JPH0424668 B2 JP H0424668B2 JP 9383981 A JP9383981 A JP 9383981A JP 9383981 A JP9383981 A JP 9383981A JP H0424668 B2 JPH0424668 B2 JP H0424668B2
Authority
JP
Japan
Prior art keywords
motor
test
probability
test signal
operating state
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.)
Expired - Lifetime
Application number
JP9383981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57208478A (en
Inventor
Toshimasa Harada
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 JP9383981A priority Critical patent/JPS57208478A/ja
Publication of JPS57208478A publication Critical patent/JPS57208478A/ja
Publication of JPH0424668B2 publication Critical patent/JPH0424668B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
JP9383981A 1981-06-19 1981-06-19 Testing method for motor Granted JPS57208478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9383981A JPS57208478A (en) 1981-06-19 1981-06-19 Testing method for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9383981A JPS57208478A (en) 1981-06-19 1981-06-19 Testing method for motor

Publications (2)

Publication Number Publication Date
JPS57208478A JPS57208478A (en) 1982-12-21
JPH0424668B2 true JPH0424668B2 (en]) 1992-04-27

Family

ID=14093555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9383981A Granted JPS57208478A (en) 1981-06-19 1981-06-19 Testing method for motor

Country Status (1)

Country Link
JP (1) JPS57208478A (en])

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102096043B (zh) * 2010-12-09 2014-04-02 奇瑞汽车股份有限公司 一种电机寿命测试平台及测试方法
CN104035031B (zh) * 2014-06-16 2016-08-24 新疆金风科技股份有限公司 风力发电机组模拟测试装置
CN104236901B (zh) * 2014-09-05 2016-03-09 武汉理工大学 一种基于emt的轮毂电机总成耐久性测试方法
CN112034341B (zh) * 2020-08-05 2023-08-11 华帝股份有限公司 一种变频烟机的工况识别方法以及装置

Also Published As

Publication number Publication date
JPS57208478A (en) 1982-12-21

Similar Documents

Publication Publication Date Title
JPS60100718A (ja) 位置，速度検出方法及び装置
JPH0424668B2 (en])
JPS5848868A (ja) パルス周波数測定方法
JPS5913957A (ja) 速度検出回路
CN104949798A (zh) 一种测量电机转动惯量的方法
JPS60622B2 (ja) 回転変動測定装置
JPS61270662A (ja) 回転数検出装置
JPS58105072A (ja) 交流電圧の周波数測定装置
JPH04233467A (ja) モータの速度測定方法及びその装置
JP3272157B2 (ja) 速度表示装置、水道メータ
JPH01126185A (ja) 速度制御装置
KR940004394B1 (ko) 모터의 속도측정 방법 및 그 장치
JPS5917793B2 (ja) 水晶時計用電池取替催促表示回路
JP2662820B2 (ja) 脈拍計数機
JPH0340847B2 (en])
Khanniche et al. A microcontroller-based real-time speed measurement for motor drive systems
JPS59185569A (ja) 溶接用電源装置
JPS596555Y2 (ja) テ−プカウンタ装置
JPH0449672B2 (en])
JPS6061662A (ja) デイジタル式速度検出方式
SU788166A1 (ru) Устройство дл индикации количества магнитной ленты в аппарате магнитной записи
JPS61154492A (ja) モ−タ制御回路
RU2024967C1 (ru) Устройство для определения времени звучания магнитной записи
JPS6329351A (ja) テ−プ走行制御装置
JPH06101951B2 (ja) デジタル位相サ−ボ回路