LU501560B1 - Technology for determining power connection - Google Patents

Abstract

According to one aspect, an energy source (100) for detecting a power connection (302) between potential connection participants (100; 200) comprises a power supply interface (102), a data interface (104) and a control unit (106). In an alternative, the control unit (106) can send its own identification information to potential circuit participants (100; 200) via the data interface (104), the own identification information comprising an identifier of the energy source (100) and indicating a recognition mode of the energy source (100). During the detection mode of the energy source (100), a modulation signal is output at the power supply interface (102), with which each potential circuit participant (100; 200), depending on whether the modulation signal of the energy source (100) is received, can determine whether the energy source (100 ) is a wiring participant of the power wiring of the respective potential wiring participant (100; 200).

Description

Technology for detecting a power connection HUS01560

The invention relates to a technology for detecting power connection between potential connection participants. Without being limited to this, the invention relates in particular to potential circuit participants such as electrical energy sources, energy sinks and coupling modules that are able to detect a power circuit.

There is often more than one power supply installed in a control cabinet. Multiple power supplies can supply critical loads redundantly, some power supplies are buffered with downstream uninterruptible power supplies (UPSs), or some power supplies feed a number of fuses. Many of these circuit participants (like

Power supplies, UPSs and fuses) are now designed with data interfaces, for example to communicate their data to higher-level or higher-level controls such as industrial PCs. There is also already direct communication in pairs between switching power supplies and UPSs or switching power supplies and intelligent security systems, which adjust their operation to each other using the communicated data of the other circuit participant.

However, the communication between the devices is insufficient for automatic configuration. Communication does not allow the devices to determine how they are connected on the power side. In order to configure the power-side interconnection, it is conventionally necessary to manually assign the devices to one another and to program the respective functionality in each device.

For a data center, document WO 2010/005429 A1 describes the evaluation of a temporal correlation between electrical power consumption and the

Processor utilization to determine power-side wiring. This requires uneven power consumption and a complex analysis of the consumer.

The invention is therefore based on the object of specifying a technology in order to be able to flexibly interconnect the wiring participants in electrical systems, but without the configuration of the wiring participants becoming more time-consuming due to the diverse installation options. Rather, it is desirable

that such systems are easy to install and the circuit participants for HUS01560 can be used flexibly and without configuration by the installer.

The task is solved with the features of the independent claims. purposeful

Rigorous refinements and advantageous developments of the invention are specified in the dependent claims.

Embodiments of the invention, which can optionally be combined with one another, are disclosed below with partial reference to the figures.

A first aspect relates to an electrical energy source for detecting a power connection between potential connection participants. The electric one

Energy source includes a power supply interface, a data interface and a control unit. The control unit is designed to send its own identification information to potential circuit participants via the data interface, the own identification information comprising an identifier of the energy source and indicating a recognition mode of the energy source. The control unit is further designed to output a modulation signal at the power supply interface during the detection mode of the energy source, whereby every potential

Depending on whether the modulation signal of the energy source is received, the wiring participant is able to determine whether the energy source is a wiring participant of the power wiring of the respective potential wiring participant. Alternatively or additionally, the control unit is designed to receive external identification information via the data interface from potential wiring participants, the external identification information comprising an identifier of the respective potential wiring participant and indicating a recognition mode of the respective potential wiring participant. The control unit is further designed to monitor a modulation signal at the power supply interface during the detection mode of the respective potential wiring participant, the energy source determining whether the respective potential wiring participant is a depending on whether the modulation signal of the respective potential wiring participant is received Wiring participant of the power wiring of the energy source.

By sending the energy source its identifier in the identification information to all potential circuit participants and transmitting the modulation signal to its power supply

interface (i.e. on the power side), each potential circuit participant can determine whether he is a circuit participant of the power circuit of the energy source (i.e. whether he is connected to the energy source on the power side) or not, and optionally this can be done in an exchange of information about the Data interface (i.e. via a data network) is sent to the energy source or received from the energy source.

Alternatively or additionally, if the energy source receives the identifier of another potential circuit participant in the external identification information and monitors the modulation signal at its power supply interface (i.e. on the power side), it can determine whether the potential specified by the identifier

Wiring participant is a wiring participant of the power wiring

energy source (i.e. whether it is connected to the energy source on the power side) or not, and optionally this can be sent in an exchange of information via the data network to the potential circuit subscriber specified by the identifier.

The power supply interface can be a power supply connection (for example on the output side).

The identification information can be sent to all participants in a data network connected to the data interface (technically also referred to as a “broadcast” in contrast to a “unicast”). That is, the potential ones

Wiring participants can be the participants of the data network (for example, as long as they have a power connection such as a power supply interface).

The data interface preferably uses a different communication medium than the power supply interface for power connection. This means that the exchange of information via the data interface or the data network does not use lines of the power circuit (for example at the physical level) (which occurs, for example, through modulation or demodulation of a data signal via the

power supply interface would be possible), since the different propagation via the data interface (for example to all potential circuit participants) and via the power supply interface (for example only to all circuit participants of the respective power circuit) enables the power circuit to be determined.

The identifier can comprise a designation and/or address (for example an address in the data network) that is unique (preferably among all potential circuit participants). The latter information can also be referred to as identifying data of the respective potential circuit participant (for example the energy source). Alternatively or additionally, the identifier can include classifying data of the respective potential circuit participant (for example the energy source), for example the maximum current provided at an energy source or the maximum current drawn (or absorbed) at an energy sink.

It represents a considerable simplification for the installer if the circuit participants trained for data communication, such as communicative power supplies, UPSs and intelligent security systems, can not only automatically determine which other circuit participants in the network they can communicate with, but also if they can also determine which energy source supplies them or who they supply.

Outputting and/or receiving the modulation signal at the power supply interface may include modulation or demodulation of the voltage at the power supply interface. The modulation signal at the

Power supply interface may include a temporal modulation, e.g. a periodic (e.g. harmonic or anharmonic) change, of the voltage.

The modulation signal can be a square wave signal.

An amplitude of modulation (or a range of change in voltage) may be 0.5% to 5%, for example 1% or 2%, of the nominal voltage. This means that a power supply from the energy source can also be maintained in detection mode. For example, the amplitude may be 0.33 V or 0.5 V or 1.0 V at a nominal voltage of 12 V or 24 V or 48 V.

A frequency of modulation can be 1 Hz to 100 Hz, for example 10 Hz. By changing the frequency of the modulation from a frequency of the nominal voltage (0 Hz at

DC voltage or, for example, 50 Hz or 60 Hz for AC voltage), the modulation signal can be detected by a frequency filter (for example a high pass or a low pass).

Monitoring the modulation signal at the power supply interface can HUS01560 include measuring a current drawn at the power supply interface. Optionally, a voltage at the power supply interface is falling

Function of the current drawn is.

Monitoring the modulation signal may include monitoring a periodic (e.g., harmonic or anharmonic) change in current draw at the power supply interface. This allows the energy source to determine that it is connected in parallel to another energy source (which is currently in detection mode). This means that the energy source can determine that the energy source has received the foreign identification information from another energy source which is connected in parallel to the energy source.

Since the voltage at the power supply interface can be a decreasing function of the current drawn at the power supply interface, a (for example communication-free) load sharing between the parallel-connected

Energy sources may be possible. While one of the parallel-connected energy sources is in detection mode, the modulation signal can be received (i.e. detected) for the respective (or each) other parallel-connected energy source directly as a modulation of the voltage or indirectly as a modulation of the drawn current

TO be measured).

The control unit of the energy source can be designed to monitor the modulation signal at the power supply interface in response to the external recognition information. Alternatively or additionally, the own identification information can be designed to cause any other potential circuit participant to monitor the modulation signal of the energy source at its power supply interface.

The control unit of the energy source can be designed to monitor the modulation signal at the power supply interface in response to the external recognition information. Alternatively or additionally, the own identification information can be designed to cause any other potential circuit participant to monitor the modulation signal of the energy source at its power supply interface.

The own and/or third-party recognition information can include or imply an announcement of the HUS01560 recognition mode. Alternatively or additionally (for example according to a standardized communication protocol), the identification information can also be included

Be sent at the beginning of or during discovery mode.

Sending or receiving the recognition information can indicate (e.g. determine) a start of the respective recognition mode. Alternatively or additionally, each recognition mode can end after a predetermined duration or after a duration specified in the respective recognition information.

By announcing the detection mode together with the identifier of the energy source or by sending the identifier of the energy source in time connection with the output of the modulation signal, the circuit participants are able to detect the received modulation signal or the absence of the modulation signal Assign energy source, for example for controlling the operation of the wiring participant in the operating mode and / or to send a corresponding wiring response to the energy source in response to the sent recognition information as a wiring request.

Your own or third-party identification information can be your own or third-party wiring request. The control unit can further be designed, in response to its own wiring request, to receive a wiring response via the data interface from at least one of the potential wiring participants, the wiring response comprising an identifier of the respective potential wiring participant and indicating whether the respective potential circuit participant has received the modulation signal or not.

Alternatively or additionally, the control unit can also be designed to send a wiring response via the data interface to at least one or all of the potential ones in response to the received external wiring request

Wiring participant or to the wiring participant of the external wiring request, the wiring response comprising an identifier of the energy source and indicating whether the energy source has received the modulation signal or not.

The identification information can be a wiring request. The information exchange can include a wiring response in response to the wiring request.

grasp. If the received wiring response indicates that the modulation signal HUS01560 of the energy source was received, the relevant wiring participant is an identified wiring participant of the power wiring of the energy source and/or the energy source is an identified wiring participant of the power wiring of the relevant wiring participant. If the sent

Wiring response indicates that the modulation signal of the relevant circuit participant was received, the relevant wiring participant is an identified wiring participant of the power wiring of the energy source and/or the energy source is an identified wiring participant of the power wiring of the relevant wiring participant.

For example, in order to determine the power connections between all potential connection participants, it may be sufficient that only the energy sources among the potential connection participants carry out the detection mode (i.e. sending the detection information and outputting the modulation signal), and all other potential connection participants make their determinations via the data network from the detection modes of the one or more energy sources in the exchange of information (e.g. in wiring responses) communicate to the energy source(s) or all potential wiring participants.

The control unit can also be designed to store and/or process the determined power connection of the energy source in order to operate the

Energy source.

For example, if a UPS has determined that it is a circuit participant in the power circuit of a power supply unit as an energy source and a consumer (e.g. a fuse or a fuse distributor) as an energy sink, it can control the charging current drawn by the UPS as an energy sink (for example, limit) that a minimum current specified by the consumer in his identifier is provided by the power supply according to his identifier after deducting the charging current.

The energy source may further have a local user interface for outputting a

Include configuration status, wherein the control unit is designed to output at least one configuration status to the local user interface. Examples of the configuration state can be: the energy source is in the

identification mode, the energy source sends its own identification information or its own wiring request, the energy source sends the modulation signal to the

Power supply interface of the energy source, the energy source sends the

Wiring response, a potential wiring participant is in detection mode, the energy source receives the external recognition information or the external wiring request, the energy source monitors the modulation signal at the power supply interface of the energy source, and / or the energy source receives the

Circuit response.

The configuration state can be output optically and/or acoustically, for example on a housing of the energy source.

The power source may include a power supply or an uninterruptible power supply (UPS). Alternatively or additionally, the potential wiring participants can include at least one additional energy source connected in parallel to the energy source, optionally a parallel-connected power supply or a parallel-connected power supply

UPS. Alternatively or additionally, the potential circuit participants can comprise at least one energy sink, optionally a UPS connected downstream of the energy source, or an electrical energy storage device, or a coupling module for redundant coupling of the energy source with at least one further energy source, or a fuse, or a fuse distributor, or a consumer.

The energy source can supply the energy sink with electrical energy if the

Energy source is a circuit participant of the power circuit of the energy sink or if the energy sink is a circuit participant of the power circuit

Energy source is.

The power supplies as circuit participants can include transformer power supplies, switching power supplies or capacitor power supplies.

The power circuit can be designed to supply critical loads redundantly. For example, several power supplies can be connected in parallel. The power supplies can have a falling voltage-current characteristic (also known as “voltage droop”). By connecting power supplies with falling voltage-current characteristics in parallel, communication-free load sharing can be made possible.

The UPS downstream of a power supply can be connected in parallel to the power supply. Alternatively or additionally, the UPS can include two converters connected in series and be designed to provide a voltage and a frequency independently of the

to provide network; or the UPS may include a bidirectional inverter and be designed to provide a voltage independent of the grid and a frequency dependent on the grid; or the UPS can have an output side

Include changeover switches and be designed to provide a voltage and frequency depending on the network.

The UPS can ensure power supply for a limited time. In technical terms, this is also referred to as “buffered”.

The fuse as a circuit participant can be a fuse distributor, which includes several outputs (also: channels) on the power side, each of which is protected and/or is switched off in the event of an overload according to a predetermined order of precedence.

The electrical energy storage can include one or more electrochemical secondary cells for storing the electrical energy. The electrical energy storage can be part of the UPS or connected to the UPS on the power side via a power circuit. In the latter case, the UPS can essentially comprise a charging unit (in addition to the features of an energy source and an energy sink).

A second aspect concerns an energy sink for detecting power connection between potential connection participants. The energy sink includes a

Power supply interface, a data interface and a control unit. The

The control unit is designed to send its own identification information to potential circuit participants via the data interface, the own identification information comprising an identifier of the energy sink and indicating a recognition mode of the energy sink. The control unit is further designed to output a modulation signal at the power supply interface during the detection mode of the energy sink, with which each potential circuit participant can determine, depending on whether the modulation signal of the energy sink is received, whether the energy sink is a circuit participant of the power supply - connection of the respective potential connection participant. Alternatively or additionally, the control unit is designed to receive external identification information via the data interface from potential circuit participants, whereby the external identification information includes an identifier of the respective potential circuit participant and a recognition mode of the respective potential

Connection participant indicates. The control unit is further designed to switch on during the detection mode of the respective potential wiring participant

Monitor modulation signal at the power supply interface, whereby the

Energy sink depends on whether the modulation signal of the respective potential

Wiring participant is received, determines whether the respective potential wiring participant is a wiring participant of the power wiring of the energy sink.

All of the features of the energy source mentioned herein can be implemented in the same way or correspondingly for the energy sink. For example, any effect (e.g. benefits) disclosed in the context of the energy source or the first aspect can be

Design (for example features and/or functions) of the energy source

Energy sink, the detection information, the wiring request, the wiring response, the modulation signal, the power supply interface, the data interface, the data network, and / or the control unit apply the same or correspondingly to the energy sink.

For example, the power supply interface of the energy sink can be a power supply connection (for example on the input side).

Monitoring the modulation signal at the power supply interface can include measuring a modulation of the voltage at the power supply interface and/or demodulation (for example a Fourier transformation of the measured time course of the voltage).

The potential wiring participants can use at least one energy source

Include energy sink, for example a power supply or a UPS. Alternatively or additionally, the potential circuit participants can include at least one further energy sink connected in parallel with the energy sink, for example a parallel-connected fuse or a parallel-connected consumer. Alternatively or additionally, the energy sink can be a UPS, or an electrical energy storage device, or a coupling module for the redundant coupling of at least two

Energy sources, or a fuse, or a fuse distributor, or a consumer.

The energy sink may include an input side of the UPS, or an input side of the 7501560 electrical energy storage device, or an input side of the coupling module, or an input side of the fuse or fuse distributor. Alternatively or additionally, an output side of the UPS, or the electrical energy storage, or the coupling module, or the fuse, or the fuse distributor can be an embodiment of the energy source. That is, one or each of these devices may combine (e.g., combine) features of the energy source and the energy sink, optionally wherein the power supply interface of the energy sink is a power input of the device and the power supply interface of the energy source is a power output of the device. Alternatively or additionally, the function of the control unit of the energy source and the function of the control unit of the energy sink can be implemented in a control unit of the device.

The electrical energy storage can include one or more electrochemical secondary cells for storing the electrical energy. The electrical energy storage can be part of the UPS. Alternatively or additionally, the energy storage can be connected to the UPS on the power side via a power circuit and/or communicatively connected to the UPS via a data interface.

The energy sink may further include any feature of the first aspect or a corresponding feature.

In each embodiment, for each aspect (i.e., the energy source and/or the energy sink), the controller may control the duration, the voltage, and/or the

Control or specify the frequency of the modulation signal.

Alternatively or additionally, the data interface can be connected to other data interfaces via a wired connection and/or a wireless connection (i.e. be communicatively connected), optionally for the exchange of information about the identification information, the wiring request, and/or the wiring response.

This means that the data network can be a wired data network or a wireless data network (for example a radio network).

The data network can also be referred to as a data network. The data network can be a data bus or pairs of individual connections between the potential

Circuit participants include or a chained connection (in technical terms

daisy chain). Alternatively or additionally, the data network can be an Ethernet HUS01560 net or a local device bus (technically: "Local Device Bus" or LDB) or (for example serial) field bus (for example a "Controller Area Network Bus" or CAN bus).

Alternatively or additionally, the power supply interface of one or each potential circuit participant (i.e. the energy sink or the energy source) can be electrically conductively connected (in short: electrically connected or connected) to at least one power supply interface of another potential circuit participant (i.e. another energy sink or energy source), whereby these potential wiring participants become wiring participants of the same power wiring. For example, the power supply interface of an energy source can be connected to the power supply interface of an energy sink. Optionally, the power supply interface of one energy source can be connected in parallel with the power supply interface of another energy source.

A third aspect relates to a coupling module for decoupling at least two electrical energy sources for the redundant power supply of an electrical one

Energy sink. The coupling module includes at least two input-side power supply interfaces for connecting the at least two electrical energy sources, for example according to the first aspect. The coupling module further comprises an output-side power supply interface for connecting the electrical energy sink according to the second aspect. The coupling module further comprises a data interface for receiving the identification information of a potential

Circuit participant, optionally from one of the electrical energy sources. The

Coupling module further comprises a control unit which is designed to deactivate the decoupling for the duration of the detection mode in response to the received detection information in order to forward the modulation signal.

The power supply interfaces of the coupling module can be designed for short-circuit-proof decoupling. Alternatively or additionally, each of the input-side power supply interfaces can have a decoupling diode or a

Current control (for example by means of a field effect transistor) must be electrically connected to the output-side power supply interface, for example

in such a way that in the event of a short circuit at one of the input-side power supply interfaces, the at least one other input-side power supply interface and the output-side power supply interface are not short-circuited.

Deactivating the decoupling can include bridging the decoupling diode or the current control or connecting the power supply interfaces in parallel.

The coupling module can also be referred to as a redundancy module or a module for power-side ORing (technically “OR-ing”).

A fourth aspect concerns a system of potential wiring participants. The system includes one or more energy sources according to the first aspect as part of the potential circuit participants. The system further includes one or more

Energy sinks according to the second aspect as part of the potential wiring participants. The system further comprises at least one power circuit between the power supply interface of at least one of the energy sources and the

Power supply interface of at least one of the energy sinks. The system also includes a data network between the data interfaces of all potential circuit participants.

Optionally, the system can include at least one coupling module that is connected between the at least two energy sources and the energy sink (associated according to the power circuit).

The system can be designed to switch between the detection mode or one

Sequence of detection modes and an operating mode to switch. Alternatively or additionally, the energy sources can switch to the detection mode in a sequence of detection modes (i.e. sequentially).

The system may begin (for example, at power on) with the detection mode or sequence of detection modes and after the detection mode or the

Switch sequence of detection modes to operating mode. Alternatively or in addition, the detection mode or the sequence of detection modes can be carried out manually or after a predetermined maintenance interval for maintenance or testing of the system.

Switching to recognition mode can mean that your own recognition information is sent and/or the modulation signal is sent to your own

Power supply interface is output.

The system may further include a local system user interface for issuing a

Include system status. The control units of the energy sources (or a system controller of the system) can be designed to output at least one system status at the local system user interface. Examples of the

System status includes: at least one of the energy sources is in detection mode, which of the energy sources is in detection mode, and all energy sources or all potential circuit participants are in operating mode.

The power source control units can control the output at the system user interface via the data network.

The energy sources can be installed sequentially in a predetermined order

Toggle detection mode. The order can be, for example, a predetermined priority, a spatial arrangement (for example along a mounting rail), and/or according to an order of the identifiers of the energy sources.

Each control unit of the energy sources can be designed to switch to the recognition mode after a random time if no external recognition information has been received or after the duration of the recognition mode of another potential circuit participant has expired in order to send its own recognition information and to output the Modulation signal at the power supply interface.

By having each control unit wait a random time after there is no data network

Detection mode is active, a collision of different detection modes may occur

Energy sources (e.g. a collision of the recognition information and/or the

Modulation signals) are prevented unless two energy sources draw the same random time.

Each energy source can use the same modulation signal (for example due to the sequential detection modes). Alternatively or additionally, several or all energy sources can be used simultaneously in the modulation mode, whereby the modulation signals of different energy sources are different, for example comprising orthogonal sequences (e.g. Walsh codes).

. . ; ; ; ; LU501560

The invention will be explained in more detail below with reference to the accompanying drawings using preferred embodiments that can optionally be combined with one another.

Show it:

1 shows a schematic block diagram of an energy source for determining a power connection between potential connection participants according to a first embodiment of a first aspect;

2 shows a schematic block diagram of an energy sink for determining a power connection between potential connection participants according to a first embodiment of a second aspect;

3 shows a schematic block representation of a system of potential circuit participants according to a first embodiment of a third aspect;

4 shows a schematic block diagram of the system with two energy sources connected in parallel and an energy sink according to a second embodiment;

5 shows a schematic block diagram of the system with an energy source, a downstream UPS along with energy storage, and an energy sink according to a third embodiment;

6 is a schematic block diagram of the system with an energy source, a UPS acting as an energy source and energy sink, together with energy storage, and an energy sink according to a first variant of the third

embodiment;

Fig. 7 is a schematic block diagram of the system with two energy sources, a coupling module deactivated in detection mode, and a

Energy sink according to a fourth embodiment;

8 is a schematic block diagram of the system with two energy sources, a coupling module acting as an energy source and an energy sink,

and an energy sink according to a variant of the fourth embodiment HUS01560 form:

9 shows a schematic block diagram of the system with a power supply as an energy source, an energy storage device that functions as an energy source and energy sink, a fuse as an energy sink, and a UPS, which

Energy sink of the power supply, energy source and sink of the energy storage and energy source of the consumer is, according to a second variant of the third embodiment;

10 is a schematic block diagram of the system with a power supply as an energy source, an energy storage device acting as an energy source and energy sink, a fuse as an energy sink, and a UPS, which

Energy sink of the power supply, energy source and sink of the energy storage and energy source of the consumer is, according to a third variant of the third embodiment; and

Fig. 11 is a schematic block diagram of the system with energy sources and

Energy sinks as circuit participants of a first and a second

Power circuit of a fifth embodiment.

Herein, exemplary embodiments of the aspects and individual features are sometimes referred to with extended reference numbers to which a letter or an apostrophe is added in order to represent and describe functional groups in a coherent or clearer manner. An extended reference number of the form XYZa (for example 302a) or XYZ' (for example 302") is an example of a feature generally designated by reference number Reference numbers interchangeable.

Electrical devices that can communicate with one another via data interfaces and/or are electrically connected or connectable on the power side are referred to as potential circuit participants. Examples of the data interfaces are shown and described below from FIGS. 1 and 2 with reference numbers 104, 204 and 254. Examples of a corresponding data network are shown and described below from FIG. 3 with reference number 304.

Electrical devices that are electrically connected on the power side by a power circuit HUS01560 are considered circuit participants of the respective

Power circuit referred to. Examples of power connection or several

Power circuits are shown and described below from FIG. 3 with reference number 302.

1 shows a schematic block diagram of an electrical energy source (in short: energy source), generally designated by reference numeral 100, for determining a power connection (for example among several power connections) between potential connection participants according to a first embodiment of the first aspect. The energy source 100 is an example or a component of a potential circuit participant.

The energy source 100 includes a power supply interface 102, for example for the electrically conductive connection of the energy source 100 to the power circuit 302 (for example a local power grid). Furthermore, the energy source 100 includes a data interface 104 for exchanging information between potential circuit participants, for example for the data connection of the energy source 100 to a data network 304. Optionally, the energy source 100 includes a local user interface 108, which shows a configuration state of the energy source 100 on site and / or with reference to the respective energy source 100.

Furthermore, the energy source 100 includes a control unit 106. The control unit 106 can control the power supply interface 102, the data interface 104, and optionally a local user interface 108. Alternatively or additionally, the control unit 106 can control or include a modulator or demodulator that is connected to the power supply interface 102 for outputting and/or monitoring the modulation signal. The control unit 106 is connected to the data interface 104 for communication.

The energy source 100 can be an output-side functional part of a (potential) circuit participant. The energy source or the (potential) circuit participant can be a power supply, an uninterruptible power supply (UPS), an electrical energy storage device, or a coupling module.

The control unit 106 of the energy source 100 can switch between a detection mode HUS01560 (which may also be referred to as a modulation mode) and an operating mode of the energy source 100. In operating mode, the energy source is at the

Power supply interface 102 outputs a predetermined operating voltage. In the modulation mode, the energy source 100 outputs a modulation signal via the power supply interface 102 by modulating the modulation signal to the operating voltage. An amplitude of the modulation signal is small (for example less than 5%) compared to an amplitude or a direct voltage of the operating voltage.

For example, in detection mode, the energy source 100 changes its output voltage (e.g., by +/- 0.5 V at e.g. 1 Hz) for a specific time (e.g., 10, 20, or 30 seconds or longer ) in a small but reliably measurable range. Before or during the output of the modulation signal, the energy source 100 identifies itself via the data interface 104 by sending a recognition information. The recognition information is an identification signal with an identifier (technically: “Identity” or “Identifier”, or “ID” for short) of the energy source 100. Furthermore, the

Recognition information (e.g. explicit or implicit) the recognition mode of the

Energy source 100.

Alternatively or additionally, the control unit 106 of the energy source 100 monitors this

Presence of a modulation signal at the power supply interface 102 (i.e. at the output in the case of the energy source 100 or correspondingly at the input in

Case of an energy sink) when another potential circuit participant (for example another energy source 100) indicates through its identification information that it is in detection mode. If the modulation signal of the other circuit participant is received (i.e. the modulation signal is recognized), the energy source 100 determines that the other potential circuit participant is a circuit participant of the power circuit of the energy source 100. Optionally, the energy source 100 then responds to the other circuit participant(s), e.g. the other energy sources 100. This circuit response indicates the identifier of the energy source 100 and reports the reception (or non-reception) of the modulation signal.

Devices (such as a UPS) that combine the function of an energy source and an energy sink can use a control unit and a data interface for both functions. Alternatively or additionally, the identification of these functions is also uniform in the same device.

The control unit 106 processes received modulation signals and identifiers.

The control unit 106 can store the received and processed information, in particular with regard to the power connection, and/or control its own operation depending on this.

The control unit 106 is capable of controlling the local interface module 108 to display the configuration state (e.g., the operation mode or the discovery mode) and/or the result of the discovery mode based on the processed information upon completion of the modulation mode (e.g . through LED lights or a screen). After the detection mode has ended, the control unit 106 puts the energy source 100 into the normal operating mode.

The control unit 106 may repeat the detection mode after power-on and/or at predetermined time intervals or upon special events. Examples of such events include: B. a failure of another wiring participant (i.e. another network component, e.g. another energy source) or the addition of another wiring participant (i.e. a new network component). The failure can be received by the affected potential circuit participant via an error message via the data network. When adding, an external identifier of the added potential can be used

Wiring participant can be received at the data interface 104.

According to the second aspect, FIG. 2 shows a first embodiment of an energy sink, generally designated by reference numeral 200, for detecting a power connection between potential connection participants.

The energy sink 200 includes a power supply interface 202, a data interface 204 and a control unit 206. Optionally, the energy sink 200 further includes a local user interface 208. These features can be designed the same or in accordance with the description of the energy source 100. While the

Power supply interface 102 of the energy source 100 emits electrical power via the power circuit 302, the energy sink 200 absorbs electrical power at the power supply interface 202. For example, the control unit 206 may have the power interface 202, the data interface 204, and the local

Control user interface 208.

Alternatively or additionally, the energy sink 200 has a power supply interface 202 for the electrically conductive connection of the energy sink 200 to the power circuit 302 (for example a local power grid). Furthermore, the energy sink 200 includes a data interface 204 for the communicative connection of the

Energy sink 200 with a data network 304. Furthermore, the energy sink 200 includes a control unit 206, which is connected to the power supply interface 202 and the data interface 204.

The energy sink 200 can be an input-side component of a wiring subscriber (i.e. a network component), for example a coupling module

UPS, a fuse or a fuse distributor.

The control unit 206 can monitor the power supply interface 202 with regard to the modulation signal in the detection mode of another potential circuit participant (for example an energy source 100). If the energy sink 200 receives a modulation signal via the power supply interface 202, it assigns this to the external identification information received via the data interface 204. The energy sink 200 thus determines that the other potential circuit participant is a circuit participant of its power circuit.

The control unit 206 processes received modulation signals and associated ones

Identification information. The control unit 206 can receive and process the received data

Store information and/or use it for your own business.

3 shows a schematic block representation of a system of potential circuit participants 100, 200 according to a first embodiment of the third aspect. The system is generally designated by the reference numeral 300. Since the circuit participants 100, 200 are connected for communication via their respective data interfaces 104, 204, the system 300 can also be used as a communicative

system.

The system 300 includes one or more energy sources 100 according to the first HUS01560

Aspect and one or more energy sinks according to the second aspect. Furthermore, the system includes at least one power circuit (i.e. a connected electrical circuit) between the power supply interface 102 of at least one of the energy sources 100 and the power supply interface 202 of at least one of the energy sinks 200.

Furthermore, the system 300 includes a data network 304 between the data interfaces 104, 204 of all potential circuit participants 100, 200.

Herein, a black line of a power circuit 304 (e.g., each of the following power circuits 304a, 304b, 304c) means an electrically conductive connection between power supply interfaces 102 and 202 (e.g., the power supply interfaces 102a, 102b, 102c, 202a, 202b, 202c). In each exemplary embodiment, in the case of a direct current supply, the positive pole and negative pole of the power supply interfaces 102 and 202 of all circuit participants 100 and 200 of the respective power circuit can be connected to one another in an electrically conductive manner. In the case of an alternating current supply or three-phase power supply, each phase and the neutral conductor of the power supply interfaces 102 and 202 of all circuit participants 100 and 200 of the respective power circuit can be electrically connected to one another.

Optionally, the system 300 can include at least one coupling module, generally designated by the reference number 250, for the redundant coupling of two or more energy sources 100 to one or more energy sinks 200. FIG. 7 shows an exemplary embodiment of the coupling module 250.

After the power-side wiring (i.e. the power circuit(s) 302) and the communicative wiring (i.e. the data network 304) of the potential

Wiring participants 100, 200, 250 each other for data communication (for example in a control cabinet) and switching on a power supply of the system 300 (for example switching on the cabinet supply), the wiring participants identify themselves as logical units (for example as network nodes or bus participants) each other via the data network 304.

The data network 304 can be implemented by a data bus, for example HUS01560 a so-called daisy chain or a CAN bus. Alternatively or additionally can

Data network 304 (i.e. the communication connection) between the circuit participants 100, 200, 250 can be a communication between equals, which can also be referred to in technical terms as a peer-to-peer communication connection or horizontal communication connection.

Are multiple energy sources 100 (for example power supplies or other electrical

Energy sources with adjustable output voltages) are present in the system 300, these circuit participants successively enter a recognition mode (which can also be referred to as identification mode). One circuit participant after the other changes its output voltage in a relatively small but easily measurable range for a predetermined (for example configured or specified by a technical standard) time. This change in the output voltage is called modulation and represents a realization of the modulation signal. The range of change in the output voltage can also be called the amplitude of the modulation signal.

In each embodiment, to output the modulation signal, the output voltage at the power supply interface 102 can be changed by an amplitude of, for example, +/-0.5 V at a clock rate of, for example, 1 Hz over a duration of the detection mode of, for example, 30 seconds. Alternatively or in addition, the modulation signal can be a sine wave, a triangular wave, a sawtooth wave or a square wave of a voltage (i.e. square wave voltage, etc.) which is superimposed on a regular supply voltage. The regular supply voltage can correspond to the output voltage that is present at the power supply interface of the energy source outside of the detection mode.

Because the amplitude of the modulation signal is small compared to the regular supply voltage, the energy source can also fulfill the function of power supply in detection mode.

The regular supply voltage in the operating mode can be a DC voltage, for example 24 V or 48 V. Alternatively, the supply voltage can be one

Correspond to the alternating voltage of a low-voltage network (for example with an effective value of 230 V and a frequency of 50 Hz).

4 shows schematically a second embodiment of the system 300 with two parallel-connected energy sources 100 and 100' and an energy sink 200. Here, power supplies are shown as energy sources 100 with white areas and fuses or fuse distributors as energy sinks 200 are shown with diagonally hatched areas. shown.

The energy sources 100 and 100' are connected in parallel on the output side (e.g. on the secondary side). If one of the energy sources 100 or 100' is in detection mode, then due to load distribution (i.e. load balancing), the output current of the energy source, which is not itself in detection mode, fluctuates at the same rate as the modulation signal. This means that the current fluctuation is an example of receiving the modulation signal in the case of a parallel connection.

Optionally (for example as an alternative to connecting two energy sources 100 in parallel) a coupling module, generally designated by reference number 250 (with its own

Data interface 254) connect redundant energy sources 100 together, e.g. to enable redundancy in the event of a short circuit in one of the energy sources.

Via the data interface 104, 204, 254 and optionally via a user interface 108, 208 (for example signal lights with LEDs on the respective wiring participant 100, 200, 250), the corresponding wiring participant 100, 200, 250 signals the detection mode and/or a detection mode downstream

Communicating (e.g. sending the wiring response) the results of one or more detection modes.

5 shows schematically a third embodiment of the system 300 with an energy source 100a and a downstream UPS 200a as an energy sink from the perspective of

Energy source 100a, and a fuse distributor as an energy sink 200b. Here, the power supply is shown as an energy source 100a with white areas, the UPS 200a is shown with a checkered area, and the fuse distributor 200b as an energy sink 200 is shown with diagonally hatched areas.

An energy storage device 201 can be connected externally to the UPS without a data interface, as shown in FIGS. 5 and 6, or can be designed as a circuit participant with a data interface and control unit.

24 137

As a passive UPS in regular operation (i.e. if the energy source HUS01560 100a has not failed), the UPS 200a can pass the power circuit 302a and thus the modulation signal output by the energy source to the energy sink 200b.

Fig. 6 shows schematically a variant of the third embodiment, in which the

UPS has the function of an energy sink 200a (with regard to the power connection to the energy source 100a) and the function of an energy source 100b (with regard to the

Power circuitry combined with the energy sink 200b). This can be advantageous for a UPS with a double converter, i.e. in which the power path does not have to be switched if the energy source 100a fails because the power flows through the converter of the energy storage even in regular operation. However, someone can do this

Prevent forwarding of the modulation signal from the power circuit 302a to the output-side power supply interface 102b. Instead it sends

UPS as a circuit participant with the dual function 100b and 200a has its own

Detection information and outputs a modulation signal in the detection mode of the UPS at the output power supply interface 102b.

7 shows a fourth embodiment of the system 300 with an active coupling module 250 (which can also be referred to as a redundancy module) which may be present (for example on the secondary side of one or more power supplies as energy sources 100 and 100). A control function of the coupling module 250 , i.e. the decoupling of the input power supply interfaces 252 is deactivated as long as a circuit participant (for example power supplies 100 or 100 ') is in the

Data network 304 is still in discovery mode. For example, the controller 256 of the coupling module 250 bridges decoupling diodes or connects the input-side power supply interfaces 252 directly to the output-side

Power supply interfaces 253, as shown schematically in Fig. 7. This allows the modulation signal from one of the energy sources 100 or 100' to be forwarded to the energy sink 200.

The decoupling modules 250 can be so-called "OR-ing" modules, i.e. decoupling modules that have a power-side OR connection of two or more

Power supplies enable so that there is also a redundant power supply

In the event of a short circuit in the power supply interface 102 of one of the linked power supplies 100 or 100.

8 shows schematically the system 300 with two energy sources 100a and 100b, a coupling module functioning as an energy source 100c and energy sinks 200a and 200b, and an energy sink 200c according to a variant of the fourth embodiment. This means that the coupling module 250 of FIG. 7 is designed in the variant of FIG. 8 with the functions of an energy sink 200a/200b and an energy source 100c. Accordingly, the coupling module 100c/200a/200b monitors the modulation signals from the energy sources 100a and 100b, and itself outputs a modulation signal in its own detection mode. The variant has the advantage that a finer-grained power connection can be determined and that the energy sources 100a and 100b are decoupled even during the detection modes.

In each embodiment, each potential circuit participant connected to the data network 304 optionally provides the information from the recognition mode, i.e. the information from which energy source 100 it is powered or with which energy source it is connected in parallel, via the data network 304.

Alternatively or additionally, in each embodiment, the data network 304 (i.e. the data connection) can be a data bus, which is, for example, technically referred to as a “local device bus” (LDB) or horizontal communication.

Alternatively or additionally, the detection of the power circuit 302 resulting from one or more detection modes (i.e. the detected power-side connections) can be output to a higher-level (i.e. higher-level, for example software-based) system controller.

The figures 9 and 10 each show exemplary embodiments of such a system control. In the exemplary embodiment of FIG. 9, the system control is distributed

Computer network (technically also known as cloud) implemented. Alternatively or additionally, the distributed computer network is in data connection with a campus radio network 304, i.e. one or more base stations for a radio network 304 (technically also referred to as a radio access network or RAN) for wireless communication with the data interfaces 104, 204, 254 of all or some of the circuit participants 100, 200, 250 of the system 300.

In the exemplary embodiment of FIG. 10, the higher-level system control is a local one

Computer system (e.g. in the same building as the control cabinet) on site.

In each exemplary embodiment, the system controller is optionally designed to visualize the power-side connections (i.e. the one or more power circuits 302) detected by the circuit participants 100, 200, 250 and/or to check them according to predetermined (e.g. configured rules) (e.g. carry out a plausibility check). Alternatively or additionally, the higher-level system control can output topological wiring diagrams based on the recognized power-side connections and/or carry out comparisons with stored (i.e. stored and/or retrievable) wiring diagrams (i.e. electrical plans).

Fig. 11 shows a system 300 with two power circuits 302a and 302b. Together with the other data provided on a digital nameplate (for example in the identification information) and/or the monitoring of the modulation signal (for example the measurement of the input voltage), for example the UPSs 100a'/200a (shown with checkered areas). ' and 100b'/200b' or the fuse distributors 200a and 200b designed for data communication (shown with diagonally hatched areas) determine which power supply 100a or 100b (shown with white areas) is the energy source (for example switching power supply) they use are each supplied (i.e. fed) and automatically adjust their system functions to this electrical energy source 100a or 100b.

Energy sources 100a connected in parallel on the secondary side are also included (for example

Switching power supplies) are able to assign the energetic connection (i.e. the power circuit 302a) to the secondary sides and adjust to parallel operation due to the load distribution fluctuating in the detection mode at the same time as the modulation signal (i.e. a fluctuation in the output current). I.e. the

Current fluctuation is an example of receiving the modulation signal in the case of a parallel connection.

11 schematically illustrates embodiments of the system 300 and the

Circuit participants 100, 200. In the example shown, the system 300 comprises three switching power supplies 100a (double) and 100b (single) (shown with a white area), two UPSs 100a'/200a' and 100b'/200b' (i.e. each with the functions an energy sink for charging and an energy source when discharging an associated energy storage device), and two fuse distributors 200a and 200b (communicating via their data interfaces 204a and 204b, respectively), all of which are connected via the

Data network 304 (for example a horizontal communication link) HUS01560 are interconnected. Corresponding to the two power circuits 302a and 302b, these potential circuit participants 100, 200 form two

supply systems. These potential circuit subscribers 100, 200 of these two subsystems of the system 300 communicate via the uniform

Data network 304.

In the first supply system, two switching power supplies 100a are connected in parallel and supply the first UPS as an energy sink 200a' and the fuse distributor 200a.

In the second supply system, the switching power supply 100b feeds the UPS 200b' as an energy sink and the fuse distributor 200b.

After switching on the mains voltage, all potential circuit participants 100, 200 in the bus identify themselves as data network 304 and are addressed. The feeding potential circuit participants (i.e. the energy sources 100) determine that there are several potential circuit participants 100, 200 (for example several energy sources 100) which are designed for the detection mode, i.e. can, for example, adjust the output voltage to output the modulation signal.

In a specific order, the first potential circuit participant (e.g. the first energy source 100a) now goes into the recognition mode (i.e. the identification mode). Here the potential wiring participant adjusts the

Output voltage for 30 seconds at 1 Hz by +/-0.5 V as a modulation signal and signals the recognition mode via an LED on site as a local user interface and by means of the recognition information via the data network 304 (for example a local device bus or in technical terms “Local Device Bus”, for short

LDB).

In the detection mode of the first energy source 100a, the UPS 200a' detects this voltage fluctuation at its input 202a' and stores that it is supplied by the switching power supply 100a (assigned via its identifier in the detection information in the LDB).

The additional switching power supply 100a connected in parallel detects a fluctuation in the output current in the same cycle of the modulation signal and stores that it is connected in parallel with the first switching power supply 100a.

The fuse distributor 200a also detects the fluctuation in voltage as a modulation signal and stores that it is supplied by the switching power supply 100a.

After 30 seconds, the detection mode (i.e., the identification mode) of the first energy source 100a ends.

The next energy source, for example the further energy source 100a, then begins its detection mode, i.e. the output of the modulation signal

Fluctuation of the output voltage on the power supply interface 102b, optionally signaling via LED on the local user interface, and sending the detection information via the data interface 104a on the LDB. The associated circuit participants (first energy source 100a, UPS 100a' and fuse distributor 200a) accordingly determine that they belong to the line circuit 302a of the additional energy source 100a connected in parallel. This continues until each energy source 100 has gone through the detection mode once. Each potential circuit participant 100, 200 now knows from which energy source 100 it is powered, or with which energy source 100 it is connected in parallel.

Optionally, each circuit participant 100, 200 provides this topology information via the data network 304 (i.e. the data connection, e.g. an LDB), so that an overall picture results.

Although the invention has been described with reference to exemplary embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents substituted. Furthermore, many modifications may be made to adapt a particular situation or material to the teachings of the invention. Consequently, that is

The invention is not limited to the exemplary embodiments disclosed, but includes all exemplary embodiments that fall within the scope of the appended claims.

Reference number list HUS01560

Electrical energy source as a potential circuit participant 100

Power supply interface of the energy source 102

Data interface of the energy source 104

Energy source control unit 106

Power source 108 local user interface

Electrical energy sink as a potential circuit participant 200

Power supply interface of energy sink 202

Energy sink 204 data interface

Energy sink control unit 206

Energy sink 208 local user interface

Coupling module 250

Input-side power supply interfaces of the coupling module 252

Output-side power supply interface of the coupling module 253

Data interface of the coupling module 254

Control unit of the coupling module 256

System of potential circuit participants 300

Power circuit 302

Data network 304

System user interface 306

Claims (17)

Patent claims HUS01560 1. Electrical energy source (100) for detecting a power connection (302) between potential connection participants (100; 200), comprising a power supply interface (102), a data interface (104) and a control unit (106), the control unit (106) being designed for this purpose is: - to send your own identification information via the data interface (104) to potential circuit participants (100; 200), the own identification information comprising an identifier of the energy source (100) and indicating a recognition mode of the energy source (100), and to output a modulation signal at the power supply interface (102) during the detection mode of the energy source (100), with which each potential circuit participant (100; 200) can determine, depending on whether the modulation signal of the energy source (100) is received, whether the energy source (100) a wiring participant of the power wiring of the respective potential wiring participant (100; 200); and/or - to receive external identification information via the data interface (104) from potential wiring participants (100; 200), wherein the external identification information includes an identifier of the respective potential wiring participant (100; 200) and a recognition mode of the indicates the respective potential wiring participant (100; 200), and to monitor a modulation signal at the power supply interface (102) during the detection mode of the respective potential wiring participant (100; 200), the energy source (100) depending on whether the modulation signal of the respective potential wiring participant (100; 200) is received, determines whether the respective potential wiring participant (100; 200) is a wiring participant of the power wiring of the energy source (100) is. 2. The electrical power source (100) of claim 1, wherein outputting or receiving the modulation signal at the power supply interface (102) includes modulating the voltage at the power supply interface (102). 3. Electrical energy source (100) according to claim 1 or 2, wherein monitoring the modulation signal at the power supply interface (102) comprises measuring a current drawn at the power supply interface (102), optionally wherein a voltage at the power supply interface ( 102) is a decreasing function of the current drawn. 4. Electrical energy source (100) according to one of claims 1 to 3, wherein the control unit (106) of the energy source (100) is designed to monitor the modulation signal at the power supply interface in response to the received external recognition information, and / or wherein the own identification information is designed to cause every other potential circuit participant to monitor the modulation signal of the energy source (100) at its respective power supply interface. 5. Energy source (100) according to one of claims 1 to 4, wherein the own or external identification information is an own or external wiring request, and the control unit (106) is further designed to: - in response to the sent own wiring request, a wiring - response to be received via the data interface (104) by at least one of the potential wiring participants (100; 200), the wiring response comprising an identifier of the respective potential wiring participant (100; 200) and indicating whether the respective potential wiring participant (100; 200) received the modulation signal or not; and/or - In response to the received external wiring request, sending a wiring response via the data interface (104) to at least one or all of the potential wiring participants (100; 200) or to the wiring participant (100; 200) of the foreign wiring request , wherein the wiring response includes an identifier of the energy source (100) and indicates whether the energy source (100) has received the modulation signal or not. . . . - . a. LU501560 6. Electrical energy source (100) according to one of claims 1 to 5, wherein the control unit (106) is further designed to: - store and / or process the determined power circuit (302) of the energy source (100) for operation of the Energy source (100). 7. Electrical energy source (100) according to one of claims 1 to 6, further comprising a local user interface (108) for outputting a configuration state, wherein the control unit (106) is designed to assign at least one of the following configurations to the local user interface (108). - output statuses: - the energy source (100) is in detection mode, - the energy source (100) sends its own detection information or its own wiring request, - the energy source (100) outputs the modulation signal to the power supply interface (102) of the energy source (100 ) off, - the energy source (100) sends the wiring response, - a potential wiring participant (100; 200) is in detection mode, - the energy source (100) receives the external recognition information or the external wiring request, - the energy source (100) monitors the modulation signal at the power supply interface (102) of the energy source (100), and - the energy source (100) receives the wiring response. 8. Electrical energy source (100) according to one of claims 1 to 7, wherein the energy source (100) comprises a power supply or an uninterruptible power supply, UPS, and / or wherein the potential circuit participants (100; 200) at least one to the energy source (100) further energy source (100) connected in parallel, optionally a power supply unit (100) connected in parallel or an uninterruptible power supply connected in parallel, UPS (100); and/or wherein the potential circuit participants (100; 200) comprise at least one HUS01560 energy sink (200), optionally a UPS (200) connected downstream of the energy source (100), or an electrical energy storage (200), or a coupling module (200) for redundant coupling of the energy source (100) with at least one further energy source (100), or a fuse (200), or a fuse distributor (200), or a consumer (200). 9. Electrical energy sink (200) for detecting a power connection (302) between potential connection participants (100; 200), comprising a power supply interface (202), a data interface (204) and a control unit (206), the control unit (206) being designed for this purpose is: - to send your own identification information via the data interface (204) to potential circuit participants (100; 200), the own identification information comprising an identifier of the energy sink (200) and indicating a detection mode of the energy sink (200), and to output a modulation signal at the power supply interface (202) during the detection mode of the energy sink (200), with which each potential circuit participant (100; 200) can determine whether the energy sink (200) is received, depending on whether the modulation signal of the energy sink (200) is received. a wiring participant of the power wiring of the respective potential wiring participant (100; 200); and/or - to receive external identification information via the data interface (204) from potential wiring participants (100; 200), the external identification information comprising an identifier of the respective potential wiring participant (100; 200) and a recognition mode of the indicates the respective potential wiring subscriber (100; 200), and to monitor a modulation signal at the power supply interface (202) during the detection mode of the respective potential wiring subscriber (100; 200), the energy sink (200) depending on whether the modulation signal of the respective potential wiring participant (100; 200) is received, determines whether the respective potential wiring participant (100; 200) is a wiring participant of the power wiring of the energy sink (200) is. 34 / 37 ; ; ; A LU501560 10. The electrical energy sink (200) of claim 9, wherein monitoring the modulation signal at the power interface (202) includes measuring a modulation of the voltage at the power interface (202). 11. Electrical energy sink (200) according to claim 9 or 10, wherein the potential circuit participants (100; 200) comprise at least one energy source (100) of the energy sink (200), optionally a power supply or an uninterruptible power supply, UPS, and /or wherein the potential circuit participants (100; 200) include at least one further energy sink (200) connected in parallel with the energy sink (200), optionally a parallel-connected fuse (200) or a parallel-connected consumer (200); and/or wherein the energy sink (200) is a UPS (200), or an electrical energy storage (200), or a coupling module (200) for the redundant coupling of at least two energy sources (100), or a fuse (200), or a fuse distributor (200) or a consumer (200). 12. Electrical energy sink (200) according to one of claims 9 to 11, further comprising any feature of one of claims 1 to 8 or a corresponding feature. 13. Coupling module (250) for decoupling at least two electrical energy sources (100) for the redundant power supply of an electrical energy sink (200), comprising: at least two input-side power supply interfaces (252) for connecting the at least two electrical energy sources (100). one of claims 1 to 8; an output-side power supply interface (253) for connecting the electrical energy sink (200) according to one of claims 9 to 12; a data interface (254) for receiving the identification information of a potential wiring subscriber (100; 200), optionally one of the electrical energy sources (100); and a control unit (256) which is designed to deactivate the decoupling for the duration of the detection mode in response to the received detection information in order to forward the modulation signal. 14. System (300) of potential wiring participants (100; 200), comprising: - one or more energy sources (100) according to one of claims 1 to 8 as part of the potential wiring participants (100; 200); - one or more energy sinks (200) according to one of claims 9 to 12 as part of the potential circuit participants (100; 200); - at least one power circuit (302) between the power supply interface (102) of at least one of the energy sources (100) and the power supply interface (202) of at least one of the energy sinks (200); and - a data network (304) between the data interfaces (104; 204) of all potential circuit participants (100; 200). 15. System (300) according to claim 14, wherein the system (300) is designed to switch between the detection mode or a sequence of detection modes and an operating mode, and / or wherein the energy sources (100) sequentially in the sequence of detection modes Switch to detection mode. 16. The system (300) according to claim 14 or 15, further comprising a local system user interface (306) for outputting a system state, the control units (106) of the energy sources (100) being designed to be at least at the local system user interface (306). to output one of the following system states: - at least one of the energy sources (100) is in detection mode, - which of the energy sources (100) is in detection mode, and - all energy sources (100) or all potential circuit participants (100; 200) are in operating mode . 17. System (300) according to one of claims 14 to 16, wherein the energy sources (100) according to a predetermined order, optionally according to an order 36 / 37 ; qu: LU501560 of the identifiers of the energy sources (100), sequentially switch to the recognition mode, or each control unit (106) of the energy sources (100) is designed to do so when no external recognition information has been received or after the duration of the recognition mode of another potential circuit part has expired - The user (100; 200) switches to recognition mode after a random time to send its own recognition information and output the modulation signal to the power supply interface.