DK3033821T3 - Anordning til omkobling og beskyttelse på afstand af elektriske systemer - Google Patents

Anordning til omkobling og beskyttelse på afstand af elektriske systemer Download PDF

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Publication number
DK3033821T3
DK3033821T3 DK14750239.7T DK14750239T DK3033821T3 DK 3033821 T3 DK3033821 T3 DK 3033821T3 DK 14750239 T DK14750239 T DK 14750239T DK 3033821 T3 DK3033821 T3 DK 3033821T3
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DK
Denmark
Prior art keywords
current
control unit
main switch
circuit
sensor
Prior art date
Application number
DK14750239.7T
Other languages
English (en)
Inventor
Eric Moeskops
Original Assignee
Cockerill Maintenance & Ingéniérie S A
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 Cockerill Maintenance & Ingéniérie S A filed Critical Cockerill Maintenance & Ingéniérie S A
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Publication of DK3033821T3 publication Critical patent/DK3033821T3/da

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F5/00Systems for regulating electric variables by detecting deviations in the electric input to the system and thereby controlling a device within the system to obtain a regulated output
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/42Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4282Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0007Details of emergency protective circuit arrangements concerning the detecting means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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 excess current
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08Emergency 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 excess current
    • H02H3/087Emergency 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 excess current for dc applications
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/38Emergency 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Claims (9)

1. Elektronisk og fjernstyret hovedomskifter i mindst ét elektrisk system til jævnstrømsforsyning, beregnet til at sikre en omkoblingsfunktion og en kontrolfunktion for forsyningsstrømmen og -spændingen, hvilket system udgøres af et elektronisk modul, der omfatter: - en strømindgang (6) - en strømudgang (7) et elektronisk omkoblingskredsløb eller en elektronisk kredsløbsafbryder (2), der er forbundet med strømindgangen (6) et målekredsløb (1), der er udstyret med en kontaktløs strømsensor og en spændingssensor, hvilket målekredsløb er serieforbundet mellem omkoblingskredsløbet (2) og strømudgangen (7) - en kommunikationsgrænseflade (3) , der er forbundet med en bus til tovejskommunikation (8) - en styreenhed eller processor (4), der dels er forbundet til kommunikationskredsløbet (2) og målekredsløbet (1), idet styreenheden (4) er konfigureret således, at den, når den modtager en spændings- og strømmåling fra målekredsløbet (1), hhv. er i stand til at kontrollere, om indgangsspændingen befinder sig i et forud fastlagt interval, og til at gennemføre en strømafbrydelse ved hjælp af omkoblingskredsløbet (2) i et bestemt tidsrum på basis af strømmålingen, og som dels er forbundet med kommunikationsgrænsefladen (3) , idet forbindelsen mellem kommunikationsgrænsefladen (3) forbundet til kommunikationsbussen (8) og styreenheden (4) er en tovejsforbindelse, således at styreenheden (4) kan programmeres på afstand - en adressebus (5) , hvormed styreenheden (4) ligeledes er forbundet, og som gør det muligt, blandt flere, at vælge et givet forsyningssystem, der er forbundet med hovedomskifteren, hvilken omskifter er kendetegnet ved, at forbindelsen mellem styreenheden (4) og målekredsløbet (1) er en tovejsforbindelse, og at målekredsløbet (1) omfatter en ekstra vikling, som gør det muligt for styreenheden (4) at injicere et testsignal, der kan detekteres af strømsensoren, og som gør det muligt at kontrollere, at sensoren er velfungerende, hver gang systemet tændes, og/eller bestemme sensorens nøjagtighed.
2. Hovedomskifter ifølge krav 1, kendetegnet ved, at styreenheden (4) indeholder en særlig mikrokode, der er beregnet til at styre de programmerbare/konfigurerbare og justerbare/kalibrerbare driftsparametre dynamisk, dvs. før og under driften, over et område af forud fastlagte værdier.
3. Hovedomskifter ifølge krav 2, kendetegnet ved, at de programmerbare/konfigurerbare og justerbare/kalibrerbare parametre over et område af forud fastlagte værdier henholdsvis omfatter en flerhed af overstrømstærskler og afbrydelsesvarigheder svarende til disse forskellige tærskler såvel som en række udgangsspændinger for omskifteren samt strømsensorens nøjagtighed.
4. Hovedomskifter ifølge krav 1, kendetegnet ved, at målekredsløbet (1) desuden omfatter anordninger, der samvirker med styreenheden (4) for at teste og selvkalibrere den kontaktløse strømføler.
5. Hovedomskifter ifølge krav 4, kendetegnet ved, at de midler, der samvirker med styreenheden (4) for at teste og selvkalibrere den kontaktløse strømføler, er beregnet til at blive sat i drift, hver gang forsyningssystemet sættes under spænding.
6. Hovedomskifter ifølge krav 1, kendetegnet ved, at målekredsløbet (1) omfatter mindst to komparatorer, der er parallelforbundet med strømsensoren, og som hver er knyttet til en tærskelværdi for overstrøm (li, I2, lov, . ..) som referenceindgang for de respektive komparatorer, og hvis udgangssignal anvendes af styreenheden (4) til at gennemføre strømafbrydelsen ved hjælp af omskifteren (2) i et bestemt tidsrum, hvis værdien af strømmålingen overstiger mindst én af tærskelværdierne.
7. Hovedomskifter ifølge krav 1, kendetegnet ved, at kommunikationsbussen (8) er en multiplekseret seriel bus, der fortrinsvis er af CAN-type, med en hastighed på op til 10 Mbit/s.
8. Hovedomskifter ifølge krav 1, kendetegnet ved, at omkoblingskredsløbet eller kredsløbsafbryderen er transistoriseret.
9. Anvendelse af hovedomskifteren ifølge et hvilket som helst af de foregående krav til beskyttelse af et elektrisk apparat, der forsynes med jævnstrøm, og/eller kabelsystemer mod overbelastninger eller overstrømme.
DK14750239.7T 2013-08-14 2014-08-12 Anordning til omkobling og beskyttelse på afstand af elektriske systemer DK3033821T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2013/0544A BE1022018B1 (fr) 2013-08-14 2013-08-14 Dispositif de commutation et protection a distance de systemes electriques.
PCT/EP2014/067252 WO2015022329A1 (fr) 2013-08-14 2014-08-12 Dispositif de commutation et protection a distance de systemes electriques

Publications (1)

Publication Number Publication Date
DK3033821T3 true DK3033821T3 (da) 2017-09-04

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DK14750239.7T DK3033821T3 (da) 2013-08-14 2014-08-12 Anordning til omkobling og beskyttelse på afstand af elektriske systemer

Country Status (11)

Country Link
US (1) US9793757B2 (da)
EP (1) EP3033821B1 (da)
CN (1) CN105594095B (da)
BE (1) BE1022018B1 (da)
BR (1) BR112016002976B1 (da)
CA (1) CA2920318C (da)
DK (1) DK3033821T3 (da)
ES (1) ES2633823T3 (da)
PL (1) PL3033821T3 (da)
PT (1) PT3033821T (da)
WO (1) WO2015022329A1 (da)

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Also Published As

Publication number Publication date
WO2015022329A1 (fr) 2015-02-19
PT3033821T (pt) 2017-07-27
CN105594095A (zh) 2016-05-18
US9793757B2 (en) 2017-10-17
CN105594095B (zh) 2018-04-24
BR112016002976A2 (pt) 2017-08-01
CA2920318C (en) 2021-03-02
BE1022018B1 (fr) 2016-02-04
EP3033821B1 (fr) 2017-05-10
EP3033821A1 (fr) 2016-06-22
US20160181866A1 (en) 2016-06-23
BR112016002976B1 (pt) 2021-11-23
PL3033821T3 (pl) 2017-10-31
CA2920318A1 (en) 2015-02-19
ES2633823T3 (es) 2017-09-25

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