SE398692B - Anordning for detektering av jordanslutning i rotorkretsen vid en genom roterande likriktare matad synkronmaskin - Google Patents

Anordning for detektering av jordanslutning i rotorkretsen vid en genom roterande likriktare matad synkronmaskin

Info

Publication number
SE398692B
SE398692B SE7506946A SE7506946A SE398692B SE 398692 B SE398692 B SE 398692B SE 7506946 A SE7506946 A SE 7506946A SE 7506946 A SE7506946 A SE 7506946A SE 398692 B SE398692 B SE 398692B
Authority
SE
Sweden
Prior art keywords
righter
synchron
rotary
supplied
machine
Prior art date
Application number
SE7506946A
Other languages
English (en)
Swedish (sv)
Other versions
SE7506946L (sv
Inventor
Berlin L Nussel
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of SE7506946L publication Critical patent/SE7506946L/xx
Publication of SE398692B publication Critical patent/SE398692B/xx

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K19/00Synchronous motors or generators
    • H02K19/16Synchronous generators
    • H02K19/36Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
SE7506946A 1974-06-24 1975-06-17 Anordning for detektering av jordanslutning i rotorkretsen vid en genom roterande likriktare matad synkronmaskin SE398692B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2430798A DE2430798C3 (de) 1974-06-24 1974-06-24 Anordnung zur Erfassung von Erdschlüssen im Läuferkreis einer schleifringlos über umlaufende Gleichrichter erregten Synchronmaschine

Publications (2)

Publication Number Publication Date
SE7506946L SE7506946L (sv) 1975-12-29
SE398692B true SE398692B (sv) 1978-01-09

Family

ID=5919055

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7506946A SE398692B (sv) 1974-06-24 1975-06-17 Anordning for detektering av jordanslutning i rotorkretsen vid en genom roterande likriktare matad synkronmaskin

Country Status (11)

Country Link
US (1) US4000464A (no)
JP (1) JPS5117516A (no)
AT (1) AT334458B (no)
BE (1) BE830527A (no)
CA (1) CA1044322A (no)
CH (1) CH585476A5 (no)
DE (1) DE2430798C3 (no)
FR (1) FR2276595A1 (no)
GB (1) GB1509931A (no)
NO (1) NO137249C (no)
SE (1) SE398692B (no)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425446A (en) * 1977-07-26 1979-02-26 Mitsubishi Electric Corp Blushless exciter protective device
JPS5820892B2 (ja) * 1979-02-02 1983-04-26 小名浜堺化学株式会社 塩基性硫酸第二鉄の製造法
JPS5826522A (ja) * 1981-08-07 1983-02-17 三菱電機株式会社 交流発電機の接地検出装置
JPS5826523A (ja) * 1981-08-07 1983-02-17 三菱電機株式会社 交流発電機の接地検出装置
JPS5826524A (ja) * 1981-08-07 1983-02-17 三菱電機株式会社 交流発電機の接地検出装置
JPS62247809A (ja) * 1986-04-22 1987-10-28 Nittetsu Mining Co Ltd 溶液状の鉄系処理剤
KR20050084803A (ko) * 2002-08-14 2005-08-29 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 기능 블럭 및 테스트 제어기를 포함한 모듈, 다수의모듈을 포함한 전자 장치 및 평가 툴
US7498818B2 (en) * 2006-08-25 2009-03-03 Schweitzer Engineering Laboratories, Inc. Apparatus and method for detecting a brush liftoff in a synchronous generator rotor circuit
US8405940B2 (en) * 2009-10-13 2013-03-26 Schweitzer Engineering Laboratories Inc Systems and methods for generator ground fault protection
US10288688B2 (en) 2014-07-24 2019-05-14 Schweitzer Engineering Laboratories, Inc. Systems and methods for monitoring and protecting an electric power generator
US9496707B2 (en) 2014-12-22 2016-11-15 Schweitzer Engineering Laboratories, Inc. Generator protection element
US10498279B2 (en) * 2015-11-23 2019-12-03 Abb Schweiz Ag Electromagnetic machine system having current injection for inductive excitation of windings
US10931097B2 (en) 2017-09-25 2021-02-23 Schweitzer Engineering Laboratories, Inc. Generator stator ground protection using third harmonic
US10333291B2 (en) 2017-09-25 2019-06-25 Schweitzer Engineering Laboratories, Inc. Multiple generator ground fault detection
CN108530936B (zh) * 2018-05-22 2019-08-23 山东午阳化工股份有限公司 对氨基乙酰苯胺清洁化生产工艺
US10797632B2 (en) 2018-08-21 2020-10-06 Schweitzer Engineering Laboratories, Inc. Sensitive directional element for generator protection
US11316455B2 (en) 2019-08-28 2022-04-26 Schweitzer Engineering Laboratories, Inc. Generator rotor turn-to-turn fault detection using fractional harmonics
JP2021053580A (ja) 2019-09-30 2021-04-08 日鉄鉱業株式会社 高濃度鉄系凝集剤とその製造方法
US10819261B1 (en) 2019-10-25 2020-10-27 Schweitzer Engineering Laboratories, Inc. Security improvements for electric power generator protection
JP7333262B2 (ja) 2019-10-29 2023-08-24 日鉄鉱業株式会社 高濃度鉄系凝集剤とその製造方法
US11631972B2 (en) 2020-12-16 2023-04-18 Schweitzer Engineering Laboratories, Inc. Accurate modeling of equipment overexcitation damage curves
US11946966B1 (en) 2023-02-20 2024-04-02 Schweitzer Engineering Laboratories, Inc. Selective stator ground fault protection using positive-sequence voltage reference

Also Published As

Publication number Publication date
DE2430798A1 (de) 1976-01-15
GB1509931A (en) 1978-05-04
FR2276595B1 (no) 1978-03-17
SE7506946L (sv) 1975-12-29
JPS5117516A (no) 1976-02-12
AT334458B (de) 1976-01-25
CA1044322A (en) 1978-12-12
BE830527A (fr) 1975-10-16
NO137249C (no) 1978-01-25
NO751393L (no) 1975-12-30
DE2430798C3 (de) 1979-03-29
DE2430798B2 (de) 1978-07-27
ATA298175A (de) 1976-05-15
NO137249B (no) 1977-10-17
CH585476A5 (no) 1977-02-28
US4000464A (en) 1976-12-28
FR2276595A1 (fr) 1976-01-23

Similar Documents

Publication Publication Date Title
SE398692B (sv) Anordning for detektering av jordanslutning i rotorkretsen vid en genom roterande likriktare matad synkronmaskin
SE419292B (sv) Anordning for detektering av vinstgivande kombinationer av symboler vid en spelautomat
SE430840B (sv) Skyddsanordning for borstlos synkronmaskin
SE403501B (sv) Lasanordning for delar pa rotorer i stromningsmaskiner
SE423438B (sv) Tetningsanordning vid roterande maskinelement
SE7700271L (sv) Anordning vid roterande elektrisk maskin
SE7600841L (sv) Anordning vid spelautomat
SE395870B (sv) Sett att transportera vankantade bredor genom en metmaskin samt anordning for utforande av settet
SE388512B (sv) Sett att infora en statorlindning pa en elektrisk maskin samt anordning for genomforande av settet
SE7700479L (sv) Meldinloppsanordning vid en pappersmaskin
SE7315913L (sv) Anordning vid en symaskin.
NL7702131A (nl) Borstelloze synchroongenerator met bekrachtigings- machine.
SE427098B (sv) Anordning vid rotationstryckmaskiner for instellning av sido- och omfangsregistret
SE405778B (sv) Anordning for felindikering vid roterande elektriska maskiner
SE7407854L (sv) Vakuumreduceringsanordning vid en mjolkningsmaskin.
SE394856B (sv) Anordning vid filmindunstare med rotor
SE412774B (sv) Anordning vid pappersmaskiner
AR207479A1 (es) Mejoras en maquinas perforadoras
SE399769B (sv) Elektronisk anordning for att utrona overforbrukning vid elektricitetsmetare
SE427547B (sv) Tetningsanordning vid en strengsprutmaskin
SE7508727L (sv) Anordning vid maskiner for bearbetning av stora arbetsstycken
SE398007B (sv) Elektrisk rotationshastighetsgivare
SE7509317L (sv) Anordning vid en taxameter.
IT1049235B (it) Macchina elettrica rotativa a piu velocita
SE399967B (sv) Anordning for overvakning av en metkrets