DE202012003774U1 - Control unit for the current-optimized operation of a current self-generating system incl. Electricity and cost-optimized feed of not self-used electricity in heat, - cold and other energy storage systems - Google Patents

Control unit for the current-optimized operation of a current self-generating system incl. Electricity and cost-optimized feed of not self-used electricity in heat, - cold and other energy storage systems Download PDF

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DE202012003774U1
DE202012003774U1 DE201220003774 DE202012003774U DE202012003774U1 DE 202012003774 U1 DE202012003774 U1 DE 202012003774U1 DE 201220003774 DE201220003774 DE 201220003774 DE 202012003774 U DE202012003774 U DE 202012003774U DE 202012003774 U1 DE202012003774 U1 DE 202012003774U1
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power
phase
electricity
current
self
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    • 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

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  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

Intelligentes Steuergerät mit phasenselektiver Messung des Strombedarfs von Drehstromverbrauchsnetzen zur strombedarfsgerechten Ansteuerung von Block-Heizkraftwerken.Intelligent control device with phase-selective measurement of the electricity demand of three-phase power consumption networks for the electricity demand-based control of block-type thermal power stations.

Description

Beschreibung der Lastgang/Heizstabsteuerung (folgend Steuergerät genannt)Description of the load gear / heating element control (hereinafter referred to as the control device)

1. Lastgangsteuerung1. Load profile control

Unabhängig von den Energiezählern wird der momentane Strombedarf der elektrischen Verbraucher (1) permanent durch Messwandler (2) auf den 3 Phasen L1, L2, L3 des Drehstromnetzes phasenselektiv überwacht. Durch entsprechende frei wählbare Einstellmöglichkeiten an dem Steuergerät (3) wird der Stromerzeuger (4) eingeschaltet und verdrängt oder vermindert den Strombezug aus dem öffentlichen Drehstromnetz (5). Mit dem Sensor (6) im Wärmespeicher die die Abwärme des Stromerzeugers (4) speichert, wird permanent die Temperatur gemessen. Das Steuergerät ermittelt wie viel thermische Energie noch in den Wärmespeicher passen. Damit wird verhindert, dass der Stromerzeuger eingeschaltet wird und durch die fehlende Abnahme der thermischen Energie wieder abschaltet.Regardless of the energy meters, the current power consumption of the electrical consumers ( 1 ) permanently by transducers ( 2 ) is phase-selectively monitored on the three phases L1, L2, L3 of the three-phase system. By appropriate freely selectable adjustment options on the control unit ( 3 ), the power generator ( 4 ) and displaces or reduces the power consumption from the public three-phase network ( 5 ). With the sensor ( 6 ) in the heat storage, the waste heat of the generator ( 4 ), the temperature is permanently measured. The control unit determines how much thermal energy still fits into the heat storage tank. This prevents that the power generator is turned on and off again by the lack of thermal energy.

2. Heizstabsteuerung2nd heating element control

Mit der in 1. integrierten Heizstabsteuerung (3) wird der momentane Strombedarf permanent durch die Messwandler (1) auf den 3 Phasen L1, L2, L3 des Drehstromnetzes phasenselektiv überwacht. Gleichzeitig wird die Einspeisung des Stromerzeugers (4) in das Gebäudenetz auch phasenselektiv auf den 3 Phasen L1', L2', L3' mit den Messwandlern (7) überwacht. Der durch den Stromerzeuger (4) erzeugte überschüssige Strom, der nicht im Gebäude verbraucht wird, wird normalerweise über den Zähler (5) an den Netzbetreiber verkauft. Der damit erzielten Erlös ist meistens niedriger als, der überschüssige Strom der mit einem elektrischen Heizstab (8) in nutzbare Wärme umgewandelt wird. Mit der Heizstabsteuerung kann mit den entsprechenden Einstellungen anteilig der überschüssige Strom phasenselektiv mittels eines entsprechenden Leistungsmoduls (9) dem Heizstab (8) zugeführt werden. Möglich sind auch andere elektrischen Verbraucher die leistungsgeregelt gefahren werden können (z. b. Wärmepumpen, Kühlgeräte, Akkuladegeräte, Drucklufterzeuger) bei denen ein entsprechendes Energiespeichervolumen vorhanden ist.With the integrated heater control (in 1.) 3 ), the instantaneous power demand is permanently controlled by the transducers ( 1 ) is phase-selectively monitored on the three phases L1, L2, L3 of the three-phase system. At the same time, the feed of the generator ( 4 ) in the building network also phase-selectively on the three phases L1 ', L2', L3 'with the transducers ( 7 ) supervised. The electricity generator ( 4 ) excess electricity that is not consumed in the building is normally passed through the meter ( 5 ) sold to the network operator. The proceeds are usually lower than, the surplus electricity with an electric heating rod ( 8th ) is converted into usable heat. With the heating element control, the excess current can be proportionately proportioned to the excess current by means of a corresponding power module ( 9 ) the heating rod ( 8th ). Also possible are other electrical consumers that can be driven with power control (eg heat pumps, refrigerators, battery chargers, compressed air generators) where a corresponding energy storage volume is available.

Mit der Heizstabsteuerung (3) ist es auch möglich in Abhängigkeit des Preises vom eingesetzten Primärenergieträger und den erzielten Preis für den Stromverkauf eine Grenze einzustellen, ab welcher Stromeigenverbrauchshöhe der überschüssige Strom wieder an den Netzbetreiber verkauft wird. Dieses Steuergerät (3) optimiert mit den eingestellten Parametern die Kosten für die Stromerzeugungsanlage. Gleichzeitig wird Primärenergie eingespart.With the heating element control ( 3 ), it is also possible depending on the price of the primary energy source used and the price obtained for electricity sales to set a limit from which electricity consumption level, the surplus electricity is sold back to the network operator. This controller ( 3 ) optimizes the costs for the power generation plant with the set parameters. At the same time, primary energy is saved.

Claims (2)

Intelligentes Steuergerät mit phasenselektiver Messung des Strombedarfs von Drehstromverbrauchsnetzen zur strombedarfsgerechten Ansteuerung von Block-Heizkraftwerken.Intelligent control unit with phase-selective measurement of the power consumption of three-phase power supply networks for power-driven control of combined heat and power plants. Intelligentes Steuergerät mit phasenselektiver Messung des Strombedarfs von Drehstromverbrauchsnetzen und phasenselektiver Messung der Leistung des Stromerzeugers (z. b.: Block-Heizkraftwerke, Photovoltaikanlagen, Wind- und Wasserkraftanlagen) zur Kosten- und Ressourcen optimierter Verwendung von nicht, von dem elektrischen Verbrauchern genutzten Strom mit phasenselektiver Leistungsansteuerung eines elektrischen Heizstabes in einen Puffer-Speicher oder anderer geeigneter Geräte die Energie speichern können (z. b.: Wärmepumpen, Kühlgeräte, Akkuladegeräte, Drucklufterzeuger.Intelligent control unit with phase-selective measurement of the power consumption of three-phase power networks and phase-selective measurement of power generator output (eg: combined heat and power plants, photovoltaic systems, wind and hydro power plants) for the cost and resource optimized use of non-electric power supplied by the electric consumers with phase-selective power control electric heating rod in a buffer memory or other suitable devices can store the energy (eg: heat pumps, refrigerators, battery chargers, compressed air generator.
DE201220003774 2012-04-13 2012-04-13 Control unit for the current-optimized operation of a current self-generating system incl. Electricity and cost-optimized feed of not self-used electricity in heat, - cold and other energy storage systems Expired - Lifetime DE202012003774U1 (en)

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DE201220003774 DE202012003774U1 (en) 2012-04-13 2012-04-13 Control unit for the current-optimized operation of a current self-generating system incl. Electricity and cost-optimized feed of not self-used electricity in heat, - cold and other energy storage systems

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DE201220003774 DE202012003774U1 (en) 2012-04-13 2012-04-13 Control unit for the current-optimized operation of a current self-generating system incl. Electricity and cost-optimized feed of not self-used electricity in heat, - cold and other energy storage systems

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209680A1 (en) * 2013-05-24 2014-11-27 Siemens Aktiengesellschaft Energy storage arrangement for flexibilization of power plants

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209680A1 (en) * 2013-05-24 2014-11-27 Siemens Aktiengesellschaft Energy storage arrangement for flexibilization of power plants

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