EP2883297A1 - Current converter and method for setting the operation of a current converter and putting a current converter into operation - Google Patents
Current converter and method for setting the operation of a current converter and putting a current converter into operationInfo
- Publication number
- EP2883297A1 EP2883297A1 EP13739735.2A EP13739735A EP2883297A1 EP 2883297 A1 EP2883297 A1 EP 2883297A1 EP 13739735 A EP13739735 A EP 13739735A EP 2883297 A1 EP2883297 A1 EP 2883297A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power converter
- power
- setting data
- storage medium
- setting
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 120
- 238000004891 communication Methods 0.000 claims description 23
- 238000010998 test method Methods 0.000 claims description 20
- 230000007257 malfunction Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 230000006399 behavior Effects 0.000 description 16
- 238000004590 computer program Methods 0.000 description 11
- 238000005457 optimization Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004634 feeding behavior Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
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
-
- 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
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
Definitions
- the present invention relates to a power converter, in particular an inverter of a photovoltaic system.
- the present invention further relates to a method for setting the operation of a power converter.
- EP 2 105 856 describes a photovoltaic system which can only be put into operation if a suitable chip card is inserted into a control unit. A solar module of the photovoltaic system is thus against
- the device according to the invention with the features of the independent claim has the advantage that adjustments to the power converter can be made particularly simple, inexpensive and fast and without further devices are needed because settings can be based on a reading of a removable external storage medium.
- Operation setting of the converter according to the setting data make.
- the setting data is read from the exchangeable external storage medium.
- a design of the operating setting of the power converter such that part of the operating setting is the feeding behavior of a power grid interface of the power converter has the advantageous effect that the power converter can be particularly easily adapted to different power grids and thus is particularly flexible usable.
- test method of a system component part of the operating setting of the power converter, wherein the system component is connected to the power converter.
- the interaction of the user with the system can thus be designed particularly efficiently for the respective user, since, for example, the interaction of the user with the system can be adapted to a state of knowledge of the user.
- the mode of operation can thus be adapted to the place of installation of the power converter in the event of a malfunction and permits particularly efficient troubleshooting.
- the mode of operation of a communication interface in particular a Parameterization of a communication address Part of the operating setting of the converter.
- the power converter can be so particularly efficient to others
- System components are adapted to communicate with the other system components particularly efficient and control them particularly well, since technical characteristics of the other system components in the operation of the
- a power converter in which alternatively or additionally a part of
- Operating adjustment is a method of controlling the power converter, has the advantage that the control of the power converter is particularly well developed and a new control can be used particularly easily by the converter, as a replacement of the method for controlling the converter via the removable external storage medium especially can be done easily and frequently.
- the power converter is advantageously designed to start operation and / or to record a service operating mode during a reading process of the setting data from the exchangeable external storage medium.
- Commissioning the converter is thus particularly easy to control and safe, since the replaceable external storage medium is required for commissioning.
- a service mode of operation can thus be particularly well and safely protected against erroneous activation.
- the power converter is formed, the first amplitude of an AC voltage and the first frequency of a
- the power converter is designed to define a method for varying an input current at a first system component interface in accordance with the setting data.
- a setting of a power input to the first system component interface is thus particularly efficient and possible with particularly good results, since the
- Method for varying the input current can be optimally adapted to connected components and a particularly good basis for setting the power input to the first
- the power converter is designed to detect further connected power converters after reading the setting data.
- the power converter is configured to create a communication address that is available in a network.
- Communication address of the converter takes place at an easily definable and controllable time, namely after reading the setting data.
- the power converter is advantageously designed to carry out a functional check of system components in accordance with the setting data, wherein the system components are connected to the power converter. Errors in connected system components are quickly detected in the development of the invention and downtime is minimized since the
- Functional testing of system components takes place in short time intervals without shutdown of the system directly by the power converter and additional testing devices are not required.
- the functional check can be carried out particularly efficiently in accordance with the setting data, since technical features of the tested system components can be used during the functional check.
- the method described below for the operation setting and commissioning of a power converter, in particular an inverter of a photovoltaic system has the advantage that the power converter can be prepared for operation particularly easily and efficiently and without dependence on other devices, as necessary technical settings
- Storage medium is controllable.
- FIG. 1 shows a power converter according to the invention, which is designed to read out setting data from an exchangeable external storage medium and to carry out an operating setting in accordance with the setting data;
- Figure 2 is a flow chart of the inventive method for
- a power converter in particular an inverter of a photovoltaic system is described, which is designed to read an exchangeable storage medium and an operating setting and / or a
- FIG. 1 shows a power converter 1 according to the invention, which is designed
- Read setting data from an exchangeable external storage medium 13 and perform an operation setting in accordance with the setting data.
- the power converter has a control circuit 5 and an internal memory 4. Furthermore, the power converter 1 has a card interface 2 with a
- the memory card holder 3 is designed to receive an exchangeable storage medium 13
- Power converter is further a first system component interface 7, a second system component interface 11 and a power grid interface 6. Further parts of the power converter 1 are a network interface 9 and a
- the power converter 1 also has a power connector 17 through which the power converter 1 is supplied with power. Alternatively or additionally, the power converter 1 via the
- Control circuit 5 connected to the memory card holder 3.
- Memory card holder 3 is designed such that the exchangeable storage medium 13 can be inserted by a user and thereby brought into connection with the card interface 2.
- Memory card holder 3 is designed to be accessible to the user on an outer side of the power converter 1. Furthermore, the control circuit 5 has a connection with the input device 10 and with the display device 8. The control circuit 5 is further connected to the first
- a second solar module 15 is connected to the second
- the control circuit 5 is further connected to the Power grid interface 6, wherein the power grid interface 6 is in communication with a power grid 16.
- the power grid 16 is designed as a public power grid and / or as a private home power grid.
- the power grid 16 has an alternating current, wherein the alternating current is characterized by an amplitude of an alternating voltage, an amplitude of an alternating current and a frequency of the alternating current.
- the power grid 16 also has an impedance.
- Another inverter 12 is connected to the network interface 9.
- the network interface 9 is in communication with the
- Control circuit 5 The control circuit 5 is still on the
- Power converter 1 via the first system component interface 7 and / or via the second system component interface 14 is powered.
- Power converter designed as an inverter of a photovoltaic system.
- the power converter is designed as a rectifier or as a converter.
- the control circuit 5 of the power converter 1 is designed to read setting data from the exchangeable storage medium 13 via the card interface 2.
- the card interface 2 In the preferred embodiment, the
- Control circuit 5 is designed as a microprocessor. A read operation starts when the removable storage medium 13 through the
- Memory card holder 3 is recorded. Alternatively it starts
- the power converter 1 Reading as soon as the power converter 1 is supplied with power via the power connector 17 and / or after an input by a user, for example via the input device 10.
- the input device 10 Reading as soon as the power converter 1 is supplied with power via the power connector 17 and / or after an input by a user, for example via the input device 10.
- Control circuit 5 is further configured to transmit a copy of the adjustment data to the internal memory 4.
- the internal memory 4 is dispensed with.
- the power converter 1 is formed, the
- the power converter 1 is formed, when inserting the removable storage medium 13, a service mode of operation
- a service mode of operation is defined as a special one
- An additional functionality is, for example, the possibility of security-relevant settings via the input device 10 and the display device 8 of the power converter.
- Safety-relevant settings are, for example, the shutdown behavior of the power converter in the event of overvoltage or the behavior of the power converter in the event of a fire.
- the service technician is given information about defective components, for example about a defective fuse.
- defective components for example about a defective fuse.
- Service technician can then replace the defective component. Furthermore, a defective execution of calculation steps can be displayed.
- the power converter 1 only feeds power into the power grid 16 only when the removable storage medium 13 is received by the memory card receptacle 3.
- Power grid interface 6 is designed to feed an alternating current into the power grid 16, wherein the alternating current with a
- Infeed voltage a feed-in power, a feed frequency and a feed power is fed.
- Power supply 6 is fed a DC power, wherein the DC power is fed with a DC and a DC voltage. The power supply is stopped when the exchangeable storage medium 13 is removed from the memory card holder 3.
- Embodiment starts the power converter 1, the power supply, as soon as a first time the removable storage medium 13 through the
- Memory card recording 3 was recorded. The power supply is continued after removal of the removable storage medium 13.
- the power converter 1 is configured to perform an operation setting of the power converter in accordance with setting data, the setting data being read from the exchangeable storage medium 13.
- the power converter is designed, the method described in sequence for
- the power converter is designed to carry out a commissioning when the exchangeable storage medium 13 has been connected to the card interface 2. part of
- Part of the operating setting of the power converter 1 is an adjustment of a feed behavior of the power grid interface 6.
- Part of the feed-in behavior of the power grid interface 6 is the amplitude of the injected AC voltage and the frequency of the fed
- the amplitude of the supplied AC voltage and the frequency of the supplied AC voltage can be determined in accordance with the setting data by the power converter 1.
- the power converter 1 is formed, the amplitude of the injected AC voltage and the
- the power converter 1 is designed to determine the switch-off condition and the follow-up behavior in accordance with the setting data.
- Shutdown condition determines a technical condition whereby the power converter suppresses the supply of power through the power network interface 6 when the technical condition occurs.
- the subsequent behavior lays a technical
- the shut-off condition is set as an occurrence of islanding operation.
- the off-grid operation is characterized by an unintentional supply of power through the power converter 1 in a home network and simultaneous separation from a public power grid.
- the switch-off condition is considered as exceeding the injected direct current intensity and / or the injected one
- the follow-up behavior specifies, for example, that suppresses the supply of electricity during a predetermined waiting time and that at the end of the predetermined waiting time, the supply of electricity is resumed.
- a reactive power supply can be determined, wherein the reactive power supply is determined in dependence on the supply voltage of the supplied alternating current.
- the power converter 1 is formed, the reactive power supply depending on the
- the reactive power feed is determined by a phase shift between a phase of the feed voltage and a phase of the feed.
- the power converter 1 determines the phase shift in accordance with the setting data.
- a defect in the power grid 16 is for example a
- the power converter 1 is designed to determine the feed-in current or the feed-in voltage in accordance with the setting data, which are fed into the power grid 16 when the defect occurs. Alternatively or additionally, the power converter 1 is designed to define a time duration, during which time the supply current intensity and / or the feed-in voltage are fed in during the time after the occurrence of the defect.
- Power grid interface 6 a feed-in power depending on the
- Frequency of alternating current of the power grid 16 can be fixed.
- the power converter 1 is designed to determine the feed-in power as a function of the frequency of the alternating current of the power network 16 in accordance with the setting data. Furthermore, in the preferred embodiment of the power converter 1 is a behavior of the power grid interface 6 in a change of
- Power grid impedance of the power grid 16 can be specified. For example, it can be determined that when the power supply impedance changes by a predetermined value, the supply of power to the power grid 16 is suppressed.
- the power converter 1 is designed to determine the test method in accordance with the setting data. Furthermore, the power converter 1 is designed to perform the test procedure. In particular, the power converter is designed, the test method as in the following description of
- the power converter 1 is further configured, a method for user information in accordance with the setting data
- the power converter 1 is designed to inform the user in accordance with the setting data on the system state of the power converter and to give the user the opportunity to respond to the system state. For example, it is possible to specify the type of information presented to the user on the display device 8. Furthermore, it can be determined which inputs are made available to the user via the input device 10.
- User interaction with the internal system state of the converter can be determined in accordance with the setting data. Is part of the user interaction
- the power converter is further adapted to set a mode of operation of the converter in case of malfunction of the converter, the operation in accordance with the setting data can be determined.
- the power converter 1 is further formed, an operation of the
- Operation of the network interface 9 is a use of a
- the communication address can be specified in accordance with the setting data. Alternatively or additionally is a
- Data transmission protocol can be defined, the data transmission protocol is used by the network interface 9.
- the data transmission protocol determines a method according to which data is transmitted via the network interface 9 to other system components.
- the data transmission protocol determines the method with which data is transmitted to the further inverter 12.
- the data transmission protocol is designed as IP-CAN protocol or ModBus protocol.
- the power converter 1 is further configured to define a method for controlling the power converter, wherein the method for controlling the power converter according to the setting data can be determined.
- the method for controlling the power converter determines, for example, a method for controlling the internal memory 4 and / or for controlling a power semiconductor and / or controlling the display device 8 and / or for controlling the input device 10.
- the power converter 1 is configured to read the computer program product from the removable storage medium.
- the computer program product is adapted to perform the method of controlling the power converter when the program product is executed on a computer.
- control circuit 5 may be configured as a computer for executing the computer program product.
- the power converter 1 is further configured to perform a method for comparing adjustment data as described below.
- the power converter 1 is also designed to define an optimization method.
- the optimization method determines a technical method according to which an input of an electric power at the first
- the power converter is designed to determine the optimization method in accordance with the setting data. Furthermore, the power converter 1 is formed, the
- the power converter 1 is further formed, after the connection of the removable storage medium 13 with the
- Card interface 2 to create a communication address in a network.
- the power converter is designed to carry out the method described below for generating a communication address.
- the removable storage medium 13 is formed as a memory card. Alternatively, this is interchangeable
- Storage medium 13 is formed as a flash memory or as a USB stick or as a floppy disk or as a CD. In another alternative
- the card interface 2 with the memory card receptacle 3 is formed as a USB port or as a floppy disk drive or as a CD drive.
- the exchangeable storage medium 13 is an RFID chip and the card interface 2 is an RFID sensor for contactless reading of the RFID chip.
- the control circuit is designed as a microprocessor and / or the internal memory as an EP-ROM.
- the input device 10 is in the preferred
- Embodiment designed as a keypad In an alternative
- the input device 10 is formed as a touch-sensitive screen.
- the input device 10 is formed as a touch-sensitive screen.
- Network interface 9 an RS485 interface or an Ethernet interface or a CAN interface
- the power converter is designed as an inverter of a self-generating system, in particular one
- Figure 2 is a flow chart of the inventive method for
- a first method step 101 the exchangeable storage medium is brought into contact with the card interface.
- Method step 102 starts a read-out process in which the adjustment data is read out from the exchangeable storage medium via the card interface.
- the read-out process begins automatically after the removable storage medium communicates with the
- the adjustment data are transmitted to the internal memory after a check for correctness.
- the adjustment data are transmitted to the internal memory after a check for correctness.
- Method step 1035 and eighth method step 1036 a part of the operating setting of the power converter is made in accordance with the setting data.
- Process step 1035 and eighth process step 1036 are described in the preferred embodiment of the method carried out simultaneously.
- Process step 1035 and eighth process step 1036 carried out sequentially.
- the power converter takes a
- the converter takes an effective value of an alternating voltage and a value of one from the setting data
- the power converter sequentially configures the power grid interface 6 such that the feed of the
- the power converter sets in the third step 1031 the
- the power converter takes the adjustment data as
- the power converter takes the adjustment data, the follow-up behavior, in particular the predetermined waiting time during which the supply of power is suppressed.
- the power converter sets the phase shift between the supply voltage and in accordance with the setting data the feed-in power of the injected AC fixed. Defining the phase shift determines the reactive power supply. Alternatively or additionally, in accordance with the setting data, a ratio between the AC voltage of the power grid and the
- Part of the third method step 1031 is furthermore the definition of an alternating current, which is fed in the event of a network defect, in particular a short circuit.
- the alternating current is determined according to the setting data.
- the inverter continues to lay according to the
- the power converter specifies alternatively or additionally the feed-in power, which depends on the frequency of the
- the power converter determines a gradient and / or a function according to the setting data, the gradient and / or the function determining how the feed-in power in
- the power converter in the third method step 1031, the power converter further determines how the
- Power is supplied via the power grid interface, if one
- the power converter defines a gradient, for example, in accordance with the setting data.
- the supply of power through the power grid interface is suppressed when the power grid impedance changes according to the gradient or more than the gradient.
- the determination of the test method of the system component takes place, wherein the system component is connected to the power converter.
- the adjustment data is a type of connected component and / or a
- Test method is determined in sequence according to the setting data.
- reactions of the power converter are defined in a passed or failed test procedure.
- a test method as described below is determined in accordance with the setting data.
- the method for user information about the system state is set in accordance with the setting data.
- the power converter takes the adjustment data, for example, a country information.
- the power converter determines in which language internal system states of the power converter are communicated to the user. Furthermore, the power converter determines according to the country information
- Country information in which form the user can respond to the displayed internal system state of the power converter via the input device.
- Power converter can be addressed by the user.
- a method of user interaction with the internal system state of the power converter is determined in accordance with the setting data.
- the mode of operation of the power converter is determined in the event of a malfunction of the power converter, wherein the determination takes place in accordance with the setting data.
- the converter takes the setting data, whether in case of malfunction an audible alarm and / or visual alarm and / or notification of a service point and / or a display of a
- Power converter the adjustment data an electronic address and / or a
- a notification of one For example, service points can be sent via an electronic message
- Communication address of the communication interface set is taken from the setting data.
- a data transmission protocol is taken from the setting data.
- the data transfer protocol specifies a method by which data is transferred to other system components. For example, by the
- Data Transfer Protocol specifies the method by which data is transferred to the other inverter via the network interface.
- Power converter determined according to the setting data.
- the power converter takes the setting data with a first computer program product
- Program code means for controlling the power converter The power converter then checks whether the first read from the removable storage medium
- Computer program product is designed as a newer version, as installed on the power converter second computer program product for controlling the power converter. If the installed second computer program product is designed as an older version than the first computer program product, the installed second computer program product is replaced by the read first computer program product.
- the power converter carries out the method according to the invention for comparing setting data.
- the power converter measures a first amplitude of an AC voltage and a first frequency of an AC voltage on the power network into which the power converter feeds via the power network interface. Furthermore, the power converter takes the adjustment data from a second amplitude of an AC voltage and a second frequency of an AC voltage and a first predetermined value and a second predetermined value, wherein the setting data of the
- the power converter compares the first amplitude of an alternating voltage with the second amplitude of an alternating voltage and calculates a first difference value. Furthermore, the power converter compares the first frequency of an alternating voltage with the second frequency of an alternating voltage and calculates a second difference value. If the first difference value is greater than the first predetermined value and / or the second difference value is greater than the second predetermined value, the power converter travels after the tenth
- Process step 1051 In all other cases, the power converter proceeds after the eleventh process step 1052.
- the power converter suppresses the
- an error message is output in the tenth method step 1051.
- the error message can be acoustically and / or visually and / or as an electronic message.
- An electronic message is an e-mail or an SMS.
- step 1052 a commissioning of the power converter is performed.
- the power converter starts the commissioning process
- the power converter carries out the method according to the invention for creating a communication address.
- the converter sends a test signal via the network interface to check whether another component is connected to the network interface.
- the further other component is a further power converter or a further inverter. If another
- the power converter sends over the
- Network interface a request for a network identification number of the connected components.
- the power converter selects in sequence for the network interface an identification number that is not yet occupied by the other connected component. If no more
- the power converter selects for the network interface the identification number one and assumes the function of a network mister in a network.
- the setting data is entered
- Test method of the system component wherein the system component is connected to the power converter.
- the connected to the power converter is
- System component is formed, for example, as the first solar module, wherein the first solar module is connected via the first system component interface with the power converter.
- the test procedure checks the functionality of the first solar module. For example, a current input and / or a voltage input at the first system component interface is compared to an expected current input and / or an expected voltage input at the first system component interface, the expected current input and / or the expected voltage input was taken from the adjustment data as the test method was determined.
- the system component connected to the power converter is another
- Power converter or designed as another inverter.
- the power converter sends a test signal to the other power inverter or inverter for testing via the network interface and compares a response of the additional power inverter or inverter with an expected response.
- the test signal and the expected response were taken from the setting data in the determination of the test procedure.
- the power converter generates a first list of the components connected to the power converter. The power converter compares the first list of connected to the power converter
- the power converter determines the optimization method, after which the input of the electrical power at the first system component interface or at the second
- System component interface is maximized. As part of the
- the converter sets a method according to which the input current at the first
- System component interface is varied. For example, as part of the optimization method, different measurement points are recorded, one measurement point consisting of an input current intensity and an input voltage, and the input current intensity being determined for at least one measurement point in accordance with the adjustment data.
- the power converter uses technical data at the first system component interface
- System component interface connected component for determining the optimization method the technical data is part of the setting data. Furthermore, a method for selecting a measuring point from the various measuring points is determined in accordance with the setting data.
- the measurement point is selected, which is characterized by the largest product of input current to input voltage.
- An optimal input current is set as the input current of the selected measurement point.
- the power converter carries out the optimization process.
- Power converter sets the optimal input current at the first
- the method steps are carried out in a different order or only a few of the described method steps are performed.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012214177.4A DE102012214177A1 (en) | 2012-08-09 | 2012-08-09 | Power converter and method for setting and commissioning a power converter |
PCT/EP2013/065592 WO2014023574A1 (en) | 2012-08-09 | 2013-07-24 | Current converter and method for setting the operation of a current converter and putting a current converter into operation |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2883297A1 true EP2883297A1 (en) | 2015-06-17 |
Family
ID=48832943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13739735.2A Ceased EP2883297A1 (en) | 2012-08-09 | 2013-07-24 | Current converter and method for setting the operation of a current converter and putting a current converter into operation |
Country Status (5)
Country | Link |
---|---|
US (1) | US9859813B2 (en) |
EP (1) | EP2883297A1 (en) |
CN (1) | CN104508963B (en) |
DE (1) | DE102012214177A1 (en) |
WO (1) | WO2014023574A1 (en) |
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WO2016100474A1 (en) | 2014-12-16 | 2016-06-23 | Abb Technology Ag | Energy panel arrangement power dissipation |
US10348094B2 (en) | 2015-01-28 | 2019-07-09 | Abb Schweiz Ag | Energy panel arrangement shutdown |
AU2016219770A1 (en) | 2015-02-22 | 2017-09-07 | Abb Schweiz Ag | Photovoltaic string reverse polarity detection |
EP3289657B1 (en) | 2015-04-30 | 2018-11-28 | Fronius International GmbH | Method for controlling the strings of solar modules in a photovoltaic installation and photovoltaic-inverter for implementing the method |
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Also Published As
Publication number | Publication date |
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WO2014023574A1 (en) | 2014-02-13 |
US20150270785A1 (en) | 2015-09-24 |
CN104508963B (en) | 2018-05-25 |
DE102012214177A1 (en) | 2014-02-13 |
US9859813B2 (en) | 2018-01-02 |
CN104508963A (en) | 2015-04-08 |
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