DE102018219273A1 - Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter - Google Patents

Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter Download PDF

Info

Publication number
DE102018219273A1
DE102018219273A1 DE102018219273.1A DE102018219273A DE102018219273A1 DE 102018219273 A1 DE102018219273 A1 DE 102018219273A1 DE 102018219273 A DE102018219273 A DE 102018219273A DE 102018219273 A1 DE102018219273 A1 DE 102018219273A1
Authority
DE
Germany
Prior art keywords
phase
potential
output connection
relay
inverter
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.)
Pending
Application number
DE102018219273.1A
Other languages
German (de)
English (en)
Inventor
Harald Drangmeister
Sven Meißinger
Michael Eberle
Leif Grundmann
Gennadi Starobinski
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.)
Kaco New Energy GmbH
Original Assignee
Kaco New Energy GmbH
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 Kaco New Energy GmbH filed Critical Kaco New Energy GmbH
Priority to DE102018219273.1A priority Critical patent/DE102018219273A1/de
Priority to PCT/EP2019/080682 priority patent/WO2020099263A1/fr
Priority to EP19812681.5A priority patent/EP3850740A1/fr
Publication of DE102018219273A1 publication Critical patent/DE102018219273A1/de
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/40—Synchronising a generator for connection to a network or to another generator
    • H02J3/44—Synchronising a generator for connection to a network or to another generator with means for ensuring correct phase sequence
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/125—Avoiding or suppressing excessive transient voltages or currents
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inverter Devices (AREA)
DE102018219273.1A 2018-11-12 2018-11-12 Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter Pending DE102018219273A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102018219273.1A DE102018219273A1 (de) 2018-11-12 2018-11-12 Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter
PCT/EP2019/080682 WO2020099263A1 (fr) 2018-11-12 2019-11-08 Procédé pour connecter un onduleur photovoltaïque (pv) à un réseau triphasé et onduleur pv
EP19812681.5A EP3850740A1 (fr) 2018-11-12 2019-11-08 Procédé pour connecter un onduleur photovoltaïque (pv) à un réseau triphasé et onduleur pv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018219273.1A DE102018219273A1 (de) 2018-11-12 2018-11-12 Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter

Publications (1)

Publication Number Publication Date
DE102018219273A1 true DE102018219273A1 (de) 2020-05-14

Family

ID=68731935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102018219273.1A Pending DE102018219273A1 (de) 2018-11-12 2018-11-12 Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter

Country Status (3)

Country Link
EP (1) EP3850740A1 (fr)
DE (1) DE102018219273A1 (fr)
WO (1) WO2020099263A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006022686A1 (de) * 2006-05-16 2007-11-22 Sma Technologie Ag Messanordnung
US20160373026A1 (en) * 2015-06-17 2016-12-22 Delta Electronics, Inc. Inverter grid-connected system and method for implementing three-phase alternating current grid-connected transition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK176983B1 (en) * 2008-11-07 2010-09-20 Danfoss Solar Inverters As Photovoltaic power plant
DE102011055220B4 (de) * 2011-11-10 2017-02-09 Sma Solar Technology Ag Zuschalten eines Wechselrichters in einem Solarkraftwerk mit verschobenem Potentialmittelpunkt
WO2014203091A1 (fr) * 2013-06-18 2014-12-24 Sma Solar Technology Ag Procédé et agencement pour l'égalisation active de potentiels de référence avant le raccordement au réseau d'une installation photovoltaïque
EP2963760A1 (fr) * 2014-06-30 2016-01-06 SMA Solar Technology AG Compensation de potentiel à la terre pour système de génération d'énergie photovoltaïque
WO2017162892A1 (fr) * 2016-03-22 2017-09-28 Ingeteam Power Technology, S.A. Symétrisation du courant cc pour éliminer les perturbations du courant en mode commun pendant le branchement d'un inverseur photovoltaïque

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006022686A1 (de) * 2006-05-16 2007-11-22 Sma Technologie Ag Messanordnung
US20160373026A1 (en) * 2015-06-17 2016-12-22 Delta Electronics, Inc. Inverter grid-connected system and method for implementing three-phase alternating current grid-connected transition

Also Published As

Publication number Publication date
WO2020099263A1 (fr) 2020-05-22
EP3850740A1 (fr) 2021-07-21

Similar Documents

Publication Publication Date Title
DE102013114729B4 (de) Wechselrichter und Verfahren zum Detektieren eines Phasenausfalls in einem Energieversorgungsnetz
AT504200B1 (de) Verfahren zur regelung von wechselrichtern
DE102011055220B4 (de) Zuschalten eines Wechselrichters in einem Solarkraftwerk mit verschobenem Potentialmittelpunkt
DE102011051954B4 (de) Photovoltaikanlage mit Vorspannung am Wechselrichter
DE102011054002B4 (de) Dezentrale Energieerzeugungsanlage mit Einrichtung und Verfahren zur Inselnetzerkennung
DE102015122636B4 (de) Wechselrichter mit Netztrennstelle und Isolationswiderstandsmessung sowie Verfahren zur Messung eines Isolationswiderstandes
DE102006060815A1 (de) Solarenergieerzeugungsanlage
EP2927044A1 (fr) Procédé de fonctionnement d'un convertisseur auxiliaire parallèle dans un véhicule sur rail
DE102013104629A1 (de) Energieerzeugungseinrichtung mit funktionssicherer Potentialtrennung
DE102010055550A1 (de) Wechselrichter, Energieerzeugungsanlage und Verfahren zum Betrieb einer Energieerzeugungsanlage
DE102011053237A1 (de) Verfahren zur Stabilisierung eines elektrischen Versorgungsnetzes
EP2646841A2 (fr) Surveillance de l'isolement dans un onduleur photovoltaïque
DE202013102112U1 (de) Einrichtung zur Erdschlussstromlöschung in Drehstromnetzen
DE102010026778A1 (de) Vorrichtung zur Bereitstellung einer Eingangsgleichspannung für einen Photovol taikwechselrichter und Photovoltaikanlage mit dieser
WO2014072159A2 (fr) Éolienne et procédé d'injection d'énergie électrique
CH700210A1 (de) Vorrichtung für Photovoltaikkraftwerke zur Einstellung des elektrischen Potentials an Photovoltaikgeneratoren.
DE102012203836B4 (de) Schaltungsanordnung und Verfahren zum Wandeln und Anpassen einer Gleichspannung, Photovoltaikanlage
DE102018219273A1 (de) Verfahren zum Betreiben eines Photovoltaik(PV)-Wechselrichters und PV-Wechselrichter
DE102019105861A1 (de) Verfahren und Vorrichtung zur näherungsweisen Bestimmung von Spannungen an einer Oberspannungsseite eines Transformators
DE102020129921A1 (de) Verfahren zum Symmetrieren von Spannungen in einem DC-Netz und Symmetriereinheit für ein DC-Netz
DE102011082554A1 (de) Verfahren zur Bestimmung eines Erdschlussstroms in einem erdschlussbehafteten Drehstromnetz
WO2022101423A1 (fr) Dispositif et procédé de mise à la terre d'un réseau à courant continu
DE102020129917A1 (de) Verfahren zum Betrieb eines Gleichspannungsnetzes und Stromrichter zur Verbindung eines Gleichspannungsnetzes mit einem Wechselspannungsnetz
DE102012100193A1 (de) Photovoltaikanordnung, die eine Solaranlage und einen Solarwechselrichter umfasst, und Verfahren zum Betrieb einer solchen Photovoltaikanordnung
DE102020129919A1 (de) Stromrichter zum Leistungstransfer zwischen einer AC-Seite und einer DC-Seite sowie Verfahren zur Leistungsversorgung

Legal Events

Date Code Title Description
R012 Request for examination validly filed
R082 Change of representative

Representative=s name: MAIER, DANIEL OLIVER, DIPL.-ING. UNIV., DE

R016 Response to examination communication