NL8001554A - Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net. - Google Patents

Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net. Download PDF

Info

Publication number
NL8001554A
NL8001554A NL8001554A NL8001554A NL8001554A NL 8001554 A NL8001554 A NL 8001554A NL 8001554 A NL8001554 A NL 8001554A NL 8001554 A NL8001554 A NL 8001554A NL 8001554 A NL8001554 A NL 8001554A
Authority
NL
Netherlands
Prior art keywords
phase
error
voltage
measuring
angle
Prior art date
Application number
NL8001554A
Other languages
English (en)
Dutch (nl)
Original Assignee
Bbc Brown Boveri & Cie
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 Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of NL8001554A publication Critical patent/NL8001554A/nl

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current
    • H02H3/382—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current involving phase comparison between current and voltage or between values derived from current and voltage
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Phase Differences (AREA)
  • Locating Faults (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
NL8001554A 1979-03-20 1980-03-16 Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net. NL8001554A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH259779 1979-03-20
CH259779A CH655621B (fi) 1979-03-20 1979-03-20

Publications (1)

Publication Number Publication Date
NL8001554A true NL8001554A (nl) 1980-09-23

Family

ID=4237347

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8001554A NL8001554A (nl) 1979-03-20 1980-03-16 Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net.

Country Status (6)

Country Link
CH (1) CH655621B (fi)
DE (1) DE2914900C2 (fi)
FR (1) FR2452114A1 (fi)
GB (1) GB2046039B (fi)
NL (1) NL8001554A (fi)
SE (1) SE446143B (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2689507B1 (de) * 2011-03-24 2017-07-19 Siemens Aktiengesellschaft Richtungsbestimmung von intermittierenden erdfehlern in energieversorgungsnetzen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE302638B (fi) * 1964-06-26 1968-07-29 Siemens Ag
CH560477A5 (fi) * 1973-05-30 1975-03-27 Bbc Brown Boveri & Cie

Also Published As

Publication number Publication date
CH655621B (fi) 1986-04-30
SE8002037L (sv) 1980-09-21
FR2452114A1 (fr) 1980-10-17
GB2046039B (en) 1982-11-10
DE2914900C2 (de) 1985-01-31
DE2914900A1 (de) 1980-10-02
SE446143B (sv) 1986-08-11
GB2046039A (en) 1980-11-05

Similar Documents

Publication Publication Date Title
EP0932235B1 (en) A directional element
US4128805A (en) Method and apparatus for locating a fault on a line
US7944199B2 (en) Voltage-measuring circuit and method
US10809096B2 (en) Differential hall magnet polarity detection for AMR 360 degree sensor
US5920494A (en) Method and device for varying interpolation factors
JPS5854825A (ja) 保護継電装置
KR100800235B1 (ko) 진폭 정합을 갖는 8상 45°다위상 필터를 위한 시스템
US7894563B2 (en) Clock recovery circuit and a method of generating a recovered clock signal
JP5994407B2 (ja) 回転角検出装置
NL8001554A (nl) Werkwijze en inrichting voor de foutrichtingsdetectie in een elektrisch meerfase-net.
US4249124A (en) Method and apparatus for monitoring faults by means of a polygonal trigger region
US4352136A (en) Impedance-measuring device for impedance protection
SE440714B (sv) Sett for distansselektiv kortslutningsovervakning av elektriska ledningar och anordning for genomforande av nemnda sett
JPH0251389A (ja) ブラシレスモータの駆動回路
US2743396A (en) Ground distance relay
SE418555B (sv) Minneskrets for releskydd
SU672576A1 (ru) Способ контрол фазы электрических переменных величин
SU881928A2 (ru) Устройство дл определени поврежденной фазы в трехфазной сети напр жением до 1000 в с изолированной нейтралью
SU756320A1 (ru) Устройство для одностороннего определения расстояния до места однополюсного короткого замыкания на линиях электропередачи
JP3302864B2 (ja) モータ回転速度検出回路
SU815833A1 (ru) Устройство дл защиты от несимметрич-НОгО РЕжиМА РАбОТы элЕКТРичЕСКОй СЕТиС изОлиРОВАННОй или КОМпЕНСиРОВАННОйНЕйТРАлью
JPH06201742A (ja) 受信信号の周波数識別回路の補正法
JP2783586B2 (ja) 位相検出装置
SU1023498A2 (ru) Устройство дл дистанционной защиты линии электропередачи от несимметричных коротких замыканий на землю
JPS628080A (ja) 位相補正回路

Legal Events

Date Code Title Description
BV The patent application has lapsed