WO2013083850A2 - Dispositif de contrôle pour réaliser des tests de fonctionnement sur des générateurs d'énergie - Google Patents

Dispositif de contrôle pour réaliser des tests de fonctionnement sur des générateurs d'énergie Download PDF

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Publication number
WO2013083850A2
WO2013083850A2 PCT/EP2012/074992 EP2012074992W WO2013083850A2 WO 2013083850 A2 WO2013083850 A2 WO 2013083850A2 EP 2012074992 W EP2012074992 W EP 2012074992W WO 2013083850 A2 WO2013083850 A2 WO 2013083850A2
Authority
WO
WIPO (PCT)
Prior art keywords
power
tests
voltage
test device
test
Prior art date
Application number
PCT/EP2012/074992
Other languages
German (de)
English (en)
Other versions
WO2013083850A3 (fr
Inventor
Kai NOHME
Original Assignee
GL Garrad Hassan Deutschland 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 GL Garrad Hassan Deutschland GmbH filed Critical GL Garrad Hassan Deutschland GmbH
Publication of WO2013083850A2 publication Critical patent/WO2013083850A2/fr
Publication of WO2013083850A3 publication Critical patent/WO2013083850A3/fr

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Classifications

    • 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
    • G01R31/40—Testing power supplies
    • G01R31/42—AC power supplies
    • 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
    • G01R31/34—Testing dynamo-electric machines
    • G01R31/343—Testing dynamo-electric machines in operation
    • 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
    • H02J2300/10—The dispersed energy generation being of fossil origin, e.g. diesel 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
    • H02J3/381—Dispersed generators

Definitions

  • the invention relates to a test device for carrying out
  • Mains parameters in particular mains frequency and voltage amplitude remain within the permissible tolerances.
  • the decentralized energy producers must have certain properties, whose detection is described inter alia in the guidelines of the FGW and the IEC. To prove the required properties, tests and measurements on the energy producers are required. In the test and measurement procedures, the two main parameters of the power grid,
  • Voltage amplitude and frequency are influenced by the active and reactive power of connected consumers and generators.
  • the object of the invention is to provide a test device of the above
  • the solution according to the invention consists in that the test device has a rectifier-inverter combination, constructed using power electronics, for high electrical powers, which can be connected between a power generator to be tested and the
  • AC power is connected, and that voltage amplitude and frequency at the power generator for simulating network disturbances by driving the power electronics are variable.
  • the inventive rectifier-inverter combination on the basis of power electronics allows on the one hand to perform voltage breakdown tests and overvoltage tests.
  • the method of the power generator can be tested for frequency changes in both overfrequency and underfrequency. It can also be applied by the energy generator active power and
  • Test equipment is suitable for tests in connection with 50 Hertz power grids as well as 60 Hertz power grids. In doing so, the capacity and load capacity of the decentralized
  • IGBTs Insolated Gate Bipolar Transistors
  • IGBTs Short for Insolated Gate Bipolar Transistors
  • the modern IGBT technology allows the programming of the individual IGBTs according to the respective requirements.
  • the IGBTs are characterized by a high performance with high dielectric strength, which can be achieved despite high powers, a switching frequency in the kHz range. This is particularly important for voltage breakdown test, because even a real fault in the power grid, the voltage can drop sharply within a few milliseconds. There is faster power electronics, which can then only control a lower power and is less voltage-resistant. Others again
  • Power electronics are suitable for switching even higher power, but can not produce the required slope because it is too slow.
  • the voltage can be lowered within a few milliseconds to a predetermined undervoltage value and can be raised to the rated voltage value within milliseconds during a voltage breakdown test.
  • the same measure with the opposite sign is also advantageous for realistic overvoltage tests, in which the voltage within milliseconds to a predetermined overvoltage value can be lifted and lowered within milliseconds to the nominal voltage value.
  • a test arrangement according to the invention also comprises a remote control station provided outside the test device, via which the sequence of the test methods can be controlled without an operator having to work directly on the test device. This measure will not only the
  • the reactive power and active power to be applied by the energy generator in accordance with the requirements of the respective test can be set by controlling the power electronics. This measure allows the realistic simulation of the connection or disconnection of
  • test device is further improved if it has current sensors and voltage sensors, which are preferably arranged both on the power generator side and on the power supply side and have an accuracy of class 0.2 or better. From the sensor signals can not only the
  • the variation of the simulated network frequency given in the case of overfrequency tests and underfrequency tests lies in a preferred embodiment of the test device according to the invention between 45 hertz and 65 hertz. This allows both tests to be performed on both 50 Hertz and 60 Hertz power grids.
  • the test device is designed as a modular unit for providing about 500 kVA to 600 kVA apparent power, wherein for a test of a
  • Minimum short-circuit power in the megawatt range in particular in the range of 25 MVA to 30 MVA, several, in particular 50, modular units 1969schalbar and can be controlled together.
  • this embodiment can be further improved by the modular units are installed in a standard sea container, preferably 28 modular units in a 40 foot container to facilitate a mobile use of the tester on site at the power generator.
  • Standard containers can be transported to the place of use in a particularly cost-effective manner with the transport technology required and widely used for this purpose.
  • Figure 1 a schematic representation of an inventive
  • FIG. 2 schematically a container with 28 modules of
  • test device according to the invention.
  • a test device 1 according to the invention is indicated by a dashed rectangle. This includes a combination of rectifier / inverter unit 2 and
  • Inverter / rectifier unit 3 (depending on the operating direction), with the aid of which voltage amplitude and mains frequency of the
  • AC power network 5 is adapted to the frequency and voltage amplitude of the alternating current generated by the generator or in the test case, a predetermined reactive power and active power is specified.
  • the generator 4 is part of a power generator 6, which, together with other, not shown, decentralized power generators feeds electrical energy into the AC mains 5.
  • the generator 4 is connected via a connecting line 7 with the
  • Rectifier / inverter unit 2 connected to the
  • Inverter / rectifier unit 3 to which an alternating voltage is applied, which in terms of voltage amplitude and frequency to the
  • Mains frequency is adjusted, is connected via a network line 9 to the network 5.
  • the described rectifier-inverter combination 2, 3 are similar to known converter units, with which usually the feeding of the electrical energy generated by other energy producers with adjustment of voltage amplitude and frequency in a
  • Testing device for performing functional tests such as overvoltage tests, voltage breakdown tests, overfrequency tests, underfrequency tests, grid compatibility tests and similar tests of the power generator 6 can serve.
  • Rectifier-inverter combination 2.3 implemented in IGBT technology, ie based on high-performance IGBTs, which is the abbreviation for Insolated Gate Bipolar Transistor or in English: bipolar
  • Inverter / rectifier unit 3 serves a central control device 10 contained in the test device 1, which controls all functions of the test device 1 and is programmable.
  • the single ones Test programs are controlled by a remote control station 11, which is arranged outside the test device 1 and is connected to it via a control channel 12.
  • Control channel 12 may be a remote control line or a radio link or other signal channel.
  • the respective test programs in the central control device 10 act on the power electronics to the voltage amplitude and frequency at the connection point 14 of the rectifier / inverter unit 2 connected to the generator 4 via the connecting line 7 an overvoltage, an undervoltage, an overfrequency or an underfrequency to simulate.
  • the phase between current and voltage at the power-generator-side connection point 14 can be shifted in order to realize predetermined reactive power and active power, which serve to simulate the connection or disconnection of consumers in the AC network 5.
  • test device 1 is connected to the power supply-side connection point 13, each having a voltage sensor and a
  • Power generator side of the test device 1 is each with a
  • Voltage sensor and a current sensor provided.
  • the voltage and current sensors which are not shown in the figure for clarity, are in connection with the central
  • Control device 10 where the voltage and current signals are analyzed.
  • the voltage and current sensors must be very accurate, with an accuracy of class 0.2 or better being preferred. From the signals supplied by the voltage and current sensors, values for the respective
  • Test programs can simulate a line frequency between 45 hertz and 65 hertz for overfrequency tests and underfrequency tests. The range from 45 hertz to 55 hertz serves to simulate
  • the associated test program of the central control device 10 controls the voltage within
  • Milliseconds to a predetermined undervoltage value up to 0 V and can also raise the voltage back to the nominal voltage value within milliseconds, if required by the test.
  • Power electronics based on IGBT technology are able to generate the corresponding slope of the voltage curve even at high power levels of approx. 500 kVA.
  • the voltage can rise within a few milliseconds to a specified overvoltage value up to approx. 140% of the rated voltage and also lower again within milliseconds to the nominal voltage value.
  • Test program be controlled so that the voltage curve is constant at all voltage changes and under no circumstances a gap occurs.
  • voltage changes can also be essential less steepness over longer periods of time, if required by the respective test program.
  • the test device 1 is designed as a modular unit and designed for the provision of about 500 kVA to 600 kVA apparent power.
  • a modular unit 1 can be easily realized with the mentioned IGBT technology for the stated power range.
  • several modular units of the test device 1 must be interconnected and controlled together. For example, with 50 interconnected modular units, short circuit powers in the range of 25 MVA to 30 MVA can be generated.
  • FIG. 2 shows a standard sea container 15, viewed from above in a sectioned schematic representation.
  • the doors 16 of the sea container 15 are mounted on the right side. in the
  • Test device 1 accommodated, 14 on each side of the sea container 15.
  • a standard 40 foot container is suitable. Since standard sea containers 15 already have a large number of suitable ones
  • Transport devices are, especially for transport by truck including devices for parking the container 15 without trucks and devices for rail and sea transport with associated suitable loading and unloading, container transport is extremely economical feasible.
  • container transport is extremely economical feasible.
  • the modular units of the test device 1 in standard containers 15, therefore, one obtains a particularly cost-effective possibility of using the test device 1 on site in the case of the decentralized energy generator 6.
  • the invention can also be advantageously used with smaller than 40 foot containers and also with other container shapes as sea containers.
  • the remote control station 11 acts via a branched control channel 12 simultaneously on all those involved
  • test device 1 test device / modular unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

L'invention concerne un dispositif de contrôle (1) pour réaliser des tests de fonctionnement sur des générateurs d'énergie (6) destinés à alimenter des réseaux de courant alternatif (5) en électricité, par exemple des tests de surtension, de chutes de tension, de sur-fréquence et de sous-fréquence ainsi que de compatibilité de réseau. L'invention vise à créer un dispositif de contrôle compact apte à la réalisation d'une pluralité de tests de fonctionnement. A cet effet, le dispositif de contrôle (1) selon l'invention comporte un ensemble ondulateur-redresseur (2,3) à base d'électronique de puissance pour les puissances électriques élevées, cet ensemble étant commuté entre un générateur d'énergie (6) à contrôler et le réseau de courant alternatif (5), l'amplitude de tension et la fréquence sur le générateur d'énergie (6) pouvant être modulées par excitation de l'électronique de puissance (2,3) pour simuler des dysfonctionnements de réseau.
PCT/EP2012/074992 2011-12-08 2012-12-10 Dispositif de contrôle pour réaliser des tests de fonctionnement sur des générateurs d'énergie WO2013083850A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011056172A DE102011056172A1 (de) 2011-12-08 2011-12-08 Prüfeinrichtung zur Durchführung von Funktionstests an Energieerzeugern
DE102011056172.2 2011-12-08

Publications (2)

Publication Number Publication Date
WO2013083850A2 true WO2013083850A2 (fr) 2013-06-13
WO2013083850A3 WO2013083850A3 (fr) 2013-09-26

Family

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Country Link
DE (1) DE102011056172A1 (fr)
WO (1) WO2013083850A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104217634A (zh) * 2014-04-20 2014-12-17 李景禄 配电真值摸拟试验方法与装置
WO2018166923A1 (fr) * 2017-03-14 2018-09-20 Wobben Properties Gmbh Procédé de test pour tester la réaction d'un parc éolien à un événement de sous-fréquence
CN108802539A (zh) * 2018-07-19 2018-11-13 国网上海市电力公司 一种储能电站并网测试验证系统及其验证方法
CN111579987A (zh) * 2020-03-30 2020-08-25 中国大唐集团科学技术研究院有限公司火力发电技术研究院 火力发电机组大频差远程扰动测试系统
US11996691B2 (en) 2020-05-04 2024-05-28 University College Cardiff Consultants Ltd. Local control of an electricity distribution network using voltage-source converters

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110630449A (zh) * 2019-09-25 2019-12-31 三一重能有限公司 一种风力发电机组安全策略测试方法、装置及系统

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
DE102007022926B4 (de) * 2007-05-14 2009-04-09 Converteam Gmbh Elektrische Schaltung zum Testen eines Getriebes insbesondere einer Windkraftanlage
DE102008049629A1 (de) * 2008-09-30 2010-04-08 Repower Systems Ag Windenergieanlagenprüfeinrichtung
DE102009018377A1 (de) * 2009-04-23 2010-10-28 Converteam Gmbh Verfahren und elektrische Schaltung zum Testen eines an ein elektrisches Energieversorgungsnetz anschließbaren Energieerzeugers oder Energieverbrauchers
DE102010048541A1 (de) * 2010-10-14 2012-04-19 Converteam Gmbh Verfahren und elektrische Schaltung zum Testen eines an ein elektrisches Energieversorgungsnetz anschließbaren Energieerzeugers oder Energieverbrauchers

Non-Patent Citations (1)

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Title
None

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104217634A (zh) * 2014-04-20 2014-12-17 李景禄 配电真值摸拟试验方法与装置
CN104217634B (zh) * 2014-04-20 2016-08-31 李景禄 配电真值模拟试验方法
WO2018166923A1 (fr) * 2017-03-14 2018-09-20 Wobben Properties Gmbh Procédé de test pour tester la réaction d'un parc éolien à un événement de sous-fréquence
CN108802539A (zh) * 2018-07-19 2018-11-13 国网上海市电力公司 一种储能电站并网测试验证系统及其验证方法
CN111579987A (zh) * 2020-03-30 2020-08-25 中国大唐集团科学技术研究院有限公司火力发电技术研究院 火力发电机组大频差远程扰动测试系统
US11996691B2 (en) 2020-05-04 2024-05-28 University College Cardiff Consultants Ltd. Local control of an electricity distribution network using voltage-source converters

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Publication number Publication date
WO2013083850A3 (fr) 2013-09-26
DE102011056172A1 (de) 2013-06-13

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