JPS59132718A - 他励磁直流電動機の保護装置 - Google Patents

他励磁直流電動機の保護装置

Info

Publication number
JPS59132718A
JPS59132718A JP521483A JP521483A JPS59132718A JP S59132718 A JPS59132718 A JP S59132718A JP 521483 A JP521483 A JP 521483A JP 521483 A JP521483 A JP 521483A JP S59132718 A JPS59132718 A JP S59132718A
Authority
JP
Japan
Prior art keywords
armature
motor
circuit
voltage
separately excited
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.)
Granted
Application number
JP521483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6255378B2 (enrdf_load_stackoverflow
Inventor
石川　辰明
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 JP521483A priority Critical patent/JPS59132718A/ja
Publication of JPS59132718A publication Critical patent/JPS59132718A/ja
Publication of JPS6255378B2 publication Critical patent/JPS6255378B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Protection Of Generators And Motors (AREA)
JP521483A 1983-01-18 1983-01-18 他励磁直流電動機の保護装置 Granted JPS59132718A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP521483A JPS59132718A (ja) 1983-01-18 1983-01-18 他励磁直流電動機の保護装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP521483A JPS59132718A (ja) 1983-01-18 1983-01-18 他励磁直流電動機の保護装置

Publications (2)

Publication Number Publication Date
JPS59132718A true JPS59132718A (ja) 1984-07-30
JPS6255378B2 JPS6255378B2 (enrdf_load_stackoverflow) 1987-11-19

Family

ID=11604935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP521483A Granted JPS59132718A (ja) 1983-01-18 1983-01-18 他励磁直流電動機の保護装置

Country Status (1)

Country Link
JP (1) JPS59132718A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9830005B2 (en) 2012-11-21 2017-11-28 SomniQ, Inc. Devices, systems, and methods for empathetic computing
US9946351B2 (en) 2015-02-23 2018-04-17 SomniQ, Inc. Empathetic user interface, systems, and methods for interfacing with empathetic computing device
US10222875B2 (en) 2015-12-11 2019-03-05 SomniQ, Inc. Apparatus, system, and methods for interfacing with a user and/or external apparatus by stationary state detection
USD864961S1 (en) 2015-12-11 2019-10-29 SomniQ, Inc. Portable electronic device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507415U (enrdf_load_stackoverflow) * 1973-05-19 1975-01-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS507415U (enrdf_load_stackoverflow) * 1973-05-19 1975-01-25

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9830005B2 (en) 2012-11-21 2017-11-28 SomniQ, Inc. Devices, systems, and methods for empathetic computing
US9946351B2 (en) 2015-02-23 2018-04-17 SomniQ, Inc. Empathetic user interface, systems, and methods for interfacing with empathetic computing device
US10409377B2 (en) 2015-02-23 2019-09-10 SomniQ, Inc. Empathetic user interface, systems, and methods for interfacing with empathetic computing device
US10222875B2 (en) 2015-12-11 2019-03-05 SomniQ, Inc. Apparatus, system, and methods for interfacing with a user and/or external apparatus by stationary state detection
USD864961S1 (en) 2015-12-11 2019-10-29 SomniQ, Inc. Portable electronic device
USD940136S1 (en) 2015-12-11 2022-01-04 SomniQ, Inc. Portable electronic device

Also Published As

Publication number Publication date
JPS6255378B2 (enrdf_load_stackoverflow) 1987-11-19

Similar Documents

Publication Publication Date Title
EP1443623B1 (en) A system and method for controlling load dump voltage of a synchronous machine
CN110383677A (zh) 电动机的驱动装置以及制冷循环适用设备
US5953189A (en) Circuit for the protected power supply of an electrical load
US4118749A (en) Field overvoltage protecting apparatus for synchronous machine
US3449652A (en) Starting circuit for a synchronous motor
JPS59132718A (ja) 他励磁直流電動機の保護装置
US4594632A (en) Overvoltage protection circuit for synchronous machinerotor
JPS6112450B2 (enrdf_load_stackoverflow)
WO1998027641A1 (fr) Circuit de protection contre les surtensions pour convertisseur abaisseur
US7518838B1 (en) Protection of variable frequency power systems from excessive peak electrical potentials
SU1534615A1 (ru) Устройство дл защиты трехфазного электродвигател от работы при обрыве и несимметрии фаз питающей сети
US1919980A (en) Control of electric circuits
SU1117762A2 (ru) Устройство дл защиты асинхронного трехфазного электродвигател от работы на двух фазах
JPH05236646A (ja) 限流装置
JPS6245480Y2 (enrdf_load_stackoverflow)
SU966809A1 (ru) Устройство дл тепловой защиты электродвигател
SU1034117A1 (ru) Устройство дл защиты трехфазного асинхронного электродвигател от работы на двух фазах
JPS596723A (ja) 保護継電装置
SU1043779A1 (ru) Устройство дл дифференциальной защиты генератора
SU943970A1 (ru) Устройство дл дифференциальной защиты трансформатора
JPS63161815A (ja) インバ−タ装置の地絡保護装置
JPS6329506B2 (enrdf_load_stackoverflow)
JPH0632755Y2 (ja) 交流サイリスタの電源保護回路
SU501905A1 (ru) Устройство дл защиты т гового электродвигател посто нного тока
JPS5829682B2 (ja) 電気車制御装置