CN112565344A - Energy Internet line monitoring method, device, equipment and system - Google Patents

Energy Internet line monitoring method, device, equipment and system Download PDF

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Publication number
CN112565344A
CN112565344A CN202011270899.0A CN202011270899A CN112565344A CN 112565344 A CN112565344 A CN 112565344A CN 202011270899 A CN202011270899 A CN 202011270899A CN 112565344 A CN112565344 A CN 112565344A
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energy
information sensor
energy information
line
voltage
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文武
赵志刚
廖冠尧
何龙旺
聂金根
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/12Discovery or management of network topologies

Abstract

The application relates to a monitoring method, a monitoring device, monitoring equipment and a monitoring system of an energy internet line, and belongs to the technical field of energy internet line monitoring. The application includes: acquiring voltage and current information acquired by a first energy information sensor and a second energy information sensor respectively; calculating equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively; and judging whether the system line is abnormal according to the calculated equivalent impedance, and carrying out corresponding treatment when the system line is abnormal. Through this application, help avoiding the circuit that energy internet circuit contact failure leads to generate heat, burn out the hidden danger of circuit even.

Description

Energy Internet line monitoring method, device, equipment and system
Technical Field
The application belongs to the technical field of energy Internet line monitoring, and particularly relates to a monitoring method, device, equipment and system for an energy Internet line.
Background
With the vigorous popularization and use of the local energy Internet at the near user side, the advantages of cleanness, safety, high efficiency and intelligence of the distributed local energy Internet are embodied. In a refined and transparent management system for energy, energy data are acquired through an energy information sensor, and then the acquired data are analyzed. In the related art, the protection of the power distribution line of the energy internet system comprises overvoltage and overcurrent detection. However, if the problem of local poor contact occurs, overvoltage or overcurrent cannot occur, and the problem of local poor contact can cause heating of the circuit and even burn out of the circuit.
Disclosure of Invention
In order to overcome the problems in the related technology at least to a certain extent, the application provides a monitoring method, a monitoring device, monitoring equipment and a monitoring system for an energy internet line, which are beneficial to avoiding the hidden danger that the line is heated and even burned out due to poor contact of the energy internet line.
In order to achieve the purpose, the following technical scheme is adopted in the application:
in a first aspect,
the application provides a monitoring method of an energy internet line, which comprises the following steps:
acquiring voltage and current information acquired by a first energy information sensor and a second energy information sensor respectively;
calculating equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and judging whether the system line is abnormal according to the calculated equivalent impedance, and carrying out corresponding treatment when the system line is abnormal.
Further, the first energy information sensor and the second energy information sensor are under the same communication bus.
Furthermore, the first energy information sensor and the second energy information sensor are both configured on two parallel monitoring lines with the same upper-level monitoring line; or
One of the first energy information sensor and the second energy information sensor is arranged on a topology monitoring line of a monitoring line where the other one is located.
Further, the method further comprises:
receiving an association setting between the first energy information sensor and the second energy information sensor.
Further, the calculating an equivalent impedance according to the voltage and current information collected by the first energy information sensor and the second energy information sensor respectively includes:
according to the formula:
Figure BDA0002777662370000021
calculating an equivalent impedance of the first energy information sensor side and an equivalent impedance of the second energy information sensor side;
in the formula:
r1 is the equivalent impedance of first energy information sensor side, and R2 is the equivalent impedance of second energy information sensor side, and U10, I10 are respectively the voltage and the current information of first energy information sensor collection at first time point, and U20, I20 are respectively the voltage and the current information of second energy information sensor collection at first time point, and U11, I11 are respectively the voltage and the current information of first energy information sensor collection at second time point, and U21, I21 are respectively the voltage and the current information of second energy information sensor collection at the second time point.
Further, the determining whether the system line is abnormal according to the calculated equivalent impedance includes:
and when any one of the two calculated equivalent impedances is larger than a set threshold value, judging that the system line is abnormal.
Further, the performing corresponding processing in the event of an exception includes:
and when the abnormal line is abnormal, determining the abnormal line according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively.
In a second aspect of the present invention,
the application provides a monitoring device of energy internet circuit, the device includes:
the acquisition module is used for acquiring voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
the calculating module is used for calculating equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and the judgment processing module is used for judging whether the system line is abnormal according to the calculated equivalent impedance and carrying out corresponding processing when the system line is abnormal.
In a third aspect,
the application provides an energy internet circuit supervisory equipment includes:
one or more memories having executable programs stored thereon;
one or more processors configured to execute the executable program in the memory to implement the steps of any of the methods described above.
Further, the energy internet line monitoring apparatus includes:
an energy information sensor, an energy data gateway, or an energy server.
Further, when energy internet circuit supervisory equipment is energy information sensor, include:
the association setting module is used for setting the address of another energy information sensor so as to set the another energy information sensor as an associated energy information sensor;
the communication monitoring module is used for receiving the voltage and current information detected by the associated energy information sensor;
the energy information acquisition module is used for detecting voltage and current information;
an edge calculation module for implementing the steps of any of the above methods;
and the communication sending module is used for sending the processing information.
In a fourth aspect of the present invention,
the application provides an energy internet line monitored control system includes: the energy internet line monitoring device is as described above.
This application adopts above technical scheme, possesses following beneficial effect at least:
the method and the device utilize the voltage and current information acquired by the two energy information sensors on the energy internet line, calculate the equivalent impedance according to the voltage and current information, judge whether the system line is abnormal or not according to the equivalent impedance, and perform corresponding processing when the system line is abnormal. Through the application, the contact failure of the energy internet line can be monitored, and then early warning processing is carried out on the contact failure of the energy internet line in advance, the circuit heating caused by the contact failure of the energy internet line is avoided, even the hidden danger of the circuit is burnt out, and the circuit safety of an energy internet system is protected.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart illustrating a method of monitoring an energy internet line according to an exemplary embodiment;
FIG. 2 is a schematic diagram illustrating a deployment topology of energy information sensors according to an exemplary embodiment;
fig. 3 is a block diagram of an energy internet line monitoring apparatus according to an exemplary embodiment;
FIG. 4 is a block diagram schematic diagram illustrating an energy Internet line monitoring device according to an exemplary embodiment;
FIG. 5 is a block diagram schematic diagram illustrating an energy information sensor in accordance with an exemplary embodiment;
fig. 6 is a block diagram configuration diagram illustrating an energy internet line monitoring system according to an exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a flowchart illustrating a monitoring method of an energy internet line according to an exemplary embodiment, where as shown in fig. 1, the monitoring method of the energy internet line includes the following steps:
s101, acquiring voltage and current information acquired by a first energy information sensor and a second energy information sensor respectively;
step S102, calculating equivalent impedance according to voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and step S103, judging whether the system line is abnormal according to the calculated equivalent impedance, and carrying out corresponding processing when the system line is abnormal.
In the above scheme, the first energy information sensor and the second energy information sensor are two energy information sensors on the energy internet. Referring to fig. 2, fig. 2 is a schematic view illustrating a deployment topology of an energy information sensor according to an exemplary embodiment, fig. 2 illustrates that the energy information sensor is deployed on a main path, a branch path, and a device end line of an energy internet system to acquire information such as voltage and current of each monitoring point, and in practical application, an energy management system performs management of energy supply and demand linkage by collecting information of each monitoring point. In the application, two energy information sensors on an energy internet line are utilized to monitor voltage and current information, and the equivalent impedance of a monitoring line between the two energy information sensors is calculated. In the case of a poor line contact, the resistance of the conductor increases as the contact surface decreases, and a local temperature rise occurs at the contact, and the resistance at the contact continues to increase as the temperature increases. Therefore, whether the system line is abnormal or not can be analyzed and judged through the equivalent impedance, and corresponding processing is carried out when the system line is abnormal.
Can monitor energy internet circuit contact failure through this application, and then help carrying out early warning processing in advance to energy internet circuit contact failure, avoid the circuit that energy internet circuit contact failure leads to generate heat, burn out the hidden danger of circuit even, protect energy internet system's line safety.
In practical applications, the energy information sensor may transmit data through a communication bus (e.g., an RS-485 communication bus or a CAN communication bus), or may transmit data wirelessly. Aiming at the condition that the energy information sensor transmits data through a communication bus, the following embodiment scheme is provided in the application:
in one embodiment, the first energy information sensor and the second energy information sensor are under the same communication bus.
Specifically, according to the scheme, the first energy information sensor and the second energy information sensor are positioned under the same communication bus, and the energy information sensors on the same communication bus can monitor information sent by other energy information sensors. When the method is applied to the energy information sensors, local distribution monitoring of the edge side of the energy internet line can be achieved, namely the first energy information sensor and the second energy information sensor only monitor whether the energy internet line between the first energy information sensor and the second energy information sensor is abnormal or not.
Referring to fig. 2, in one embodiment, the first energy information sensor and the second energy information sensor are both disposed on two parallel monitoring lines having the same upper monitoring line; or
One of the first energy information sensor and the second energy information sensor is arranged on a topology monitoring line of a monitoring line where the other one is located.
Specifically, the first energy information sensor and the second energy information sensor are both configured on two parallel monitoring lines having the same higher-level monitoring line, such as the energy information sensor 2 on the branch 1 and the energy information sensor 4 on the branch 2, or such as the energy information sensor 3 on the line at the end of the equipment 1 and the energy information sensor 5 on the line at the end of the equipment 2 under the branch 1. For a topology monitoring line which is set on the monitoring line where another one is located, the topology monitoring line can be, for example, an energy information sensor 1 on the main line and an energy information sensor 2 on the branch 1, can be, for example, an energy information sensor 2 on the branch 1 and an energy information sensor 3 on the end line of the equipment 1 below the branch 1, and can also be, for example, an energy information sensor 1 on the main line and an energy information sensor 3 on the end line of the equipment 1 below the branch 1. Through the scheme, the accurate positioning of the abnormal line when the energy Internet line is abnormal can be realized.
In one embodiment, the method further comprises:
receiving an association setting between the first energy information sensor and the second energy information sensor.
Specifically, in practical application, the two energy information sensors can be set in a correlated manner through address information of the energy information sensors. When the method is applied to the energy information sensor to carry out edge side monitoring, one energy information sensor can monitor data acquired by the other energy information sensor through the association setting of the scheme.
In one embodiment, the determining whether the system line is abnormal according to the calculated equivalent impedance includes:
and if the calculated equivalent impedance is larger than a set threshold value, judging that the system line is abnormal.
Specifically, when the calculated equivalent impedance is greater than a set threshold value, it is indicated that the local poor contact on the energy internet line is relatively serious, and the line is relatively serious in heating, so that the system line is judged to be abnormal, and the line is prevented from being burnt out due to serious heating.
In one embodiment, said calculating an equivalent impedance from the voltage and current information collected by each of the first energy information sensor and the second energy information sensor for step S102 comprises:
according to the formula:
Figure BDA0002777662370000071
calculating an equivalent impedance of the first energy information sensor side and an equivalent impedance of the second energy information sensor side;
in the formula:
r1 is the equivalent impedance of first energy information sensor side, and R2 is the equivalent impedance of second energy information sensor side, and U10, I10 are respectively the voltage and the current information of first energy information sensor collection at first time point, and U20, I20 are respectively the voltage and the current information of second energy information sensor collection at first time point, and U11, I11 are respectively the voltage and the current information of first energy information sensor collection at second time point, and U21, I21 are respectively the voltage and the current information of second energy information sensor collection at the second time point.
Specifically, the first energy information sensor and the second energy information sensor perform synchronous periodic sampling of voltage and current information, and the first time point and the second time point are adjacent sampling time points. The method comprises the steps that the equivalent impedance of a first energy information sensor side and the equivalent impedance of a second energy information sensor side are calculated according to voltage and current information sampled by the two energy information sensors at a first time point and a second time point respectively, when the voltage and the current detected by any one energy information sensor are changed, the equivalent impedances R1 and R2 are changed, the equivalent impedance for judging the circuit abnormity can be more sufficient, any one of the equivalent impedances R1 and R2 can be used for judging the circuit abnormity, and when any one of the two calculated equivalent impedances is larger than a set threshold value, the system circuit is judged to be abnormal. When R1 & gtRS or R2 & gtRS appears, the system line is judged to be abnormal, and RS is a set threshold value. According to the scheme, the energy internet line abnormity can be judged more accurately.
In one embodiment, the performing corresponding processing when the exception occurs includes:
and when the abnormal line is abnormal, determining the abnormal line according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively.
Specifically, referring to fig. 2, for example, the first energy information sensor is an energy information sensor 2 on the branch 1, the second energy information sensor is an energy information sensor 3 on the line at the end of the device 1, and under a normal condition of the line at the end of the device 1, the voltage and the current sampled by the energy information sensor 3 (the second energy information sensor) at different sampling times are substantially the same; when the line at the end of the device 2 has poor contact, the current sampled by the energy information sensor 2 (first energy information sensor) on the branch 1 at different sampling times will change greatly. Through the above formula, when the contact failure occurs in the line at the device 2 end, both the calculated equivalent impedance R1 on the first energy information sensor side and the calculated equivalent impedance R2 on the second energy information sensor side change, and when either one of R1 and R2 is determined to be greater than RS first, it is determined that the line is abnormal. Under the condition that the line is judged to be abnormal, if the voltage and the current sampled by the energy information sensor 3 (the second energy information sensor) on the line at the end of the equipment 1 at different sampling time are basically consistent, and the current sampled by the energy information sensor 2 (the first energy information sensor) on the branch 1 at different sampling time is large in change, it can be determined that the line at the end of the equipment 2 is caused by poor contact, namely, the line at the end of the equipment 2 is an abnormal line.
Referring to fig. 3, fig. 3 is a block diagram illustrating a monitoring apparatus for an energy internet line according to an exemplary embodiment, and as shown in fig. 3, the monitoring apparatus 3 for an energy internet line includes:
the acquisition module 301 is configured to acquire voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
a calculating module 302, configured to calculate an equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and a judgment processing module 303, configured to judge whether the system line is abnormal according to the calculated equivalent impedance, and perform corresponding processing when the system line is abnormal.
Further, the first energy information sensor and the second energy information sensor are under the same communication bus.
Furthermore, the first energy information sensor and the second energy information sensor are both configured on two parallel monitoring lines with the same upper-level monitoring line; or
One of the first energy information sensor and the second energy information sensor is arranged on a topology monitoring line of a monitoring line where the other one is located.
Further, the obtaining module 301 is further configured to:
receiving an association setting between the first energy information sensor and the second energy information sensor.
Further, the calculating module 302 is specifically configured to:
according to the formula:
Figure BDA0002777662370000091
calculating an equivalent impedance of the first energy information sensor side and an equivalent impedance of the second energy information sensor side;
in the formula:
r1 is the equivalent impedance of first energy information sensor side, and R2 is the equivalent impedance of second energy information sensor side, and U10, I10 are respectively the voltage and the current information of first energy information sensor collection at first time point, and U20, I20 are respectively the voltage and the current information of second energy information sensor collection at first time point, and U11, I11 are respectively the voltage and the current information of first energy information sensor collection at second time point, and U21, I21 are respectively the voltage and the current information of second energy information sensor collection at the second time point.
Further, the determining whether the system line is abnormal according to the calculated equivalent impedance includes:
and when any one of the two calculated equivalent impedances is larger than a set threshold value, judging that the system line is abnormal.
Further, the performing corresponding processing in the event of an exception includes:
and when the abnormal line is abnormal, determining the abnormal line according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively.
With regard to the monitoring device 3 for an energy internet line in the above-described embodiment, the specific manner in which the respective modules perform operations has been described in detail in the embodiment related to the method, and will not be described in detail here.
Referring to fig. 4, fig. 4 is a block diagram schematically illustrating an energy internet line monitoring apparatus according to an exemplary embodiment, and as shown in fig. 4, the energy internet line monitoring apparatus 4 includes:
one or more memories 401 having executable programs stored thereon;
one or more processors 402 for executing the executable programs in the memory 401 to implement the steps of any of the methods described above.
Further, the energy internet line monitoring apparatus 4 includes:
an energy information sensor, an energy data gateway, or an energy server.
With regard to the energy internet line monitoring device 4 in the above-described embodiment, the specific manner in which the processor 402 executes the program in the memory 401 has been described in detail in the embodiment related to the method, and will not be described in detail here.
Referring to fig. 5, fig. 5 is a schematic block diagram illustrating an energy information sensor according to an exemplary embodiment, where the energy internet line monitoring device is the energy information sensor 5, the energy internet line monitoring device includes:
an association setting module 501, configured to set an address of another energy information sensor, so as to set the another energy information sensor as an associated energy information sensor;
a communication monitoring module 502, configured to receive voltage and current information detected by the associated energy information sensor;
the energy information acquisition module 503 is used for detecting voltage and current information;
an edge calculation module 504 for implementing the steps of any of the above methods;
and a communication sending module 505, configured to send the processing information.
Referring to fig. 5, the energy information sensor 5 shown in fig. 5 can implement the above method to be applied to the energy information sensor 5 for edge side monitoring. The energy information sensor 5 includes: the system comprises an association setting module 501, a communication monitoring module 502, an edge calculating module 504, an energy information collecting module 503 and a communication sending module 505, wherein the association setting module 501 is used for setting the address of another energy information sensor and associating the other energy information sensor; the communication monitoring module 502 is responsible for monitoring voltage and current data sent by the associated energy information sensor set by the associated setting module 501; the energy information acquisition module 503 acquires information such as voltage, current, power, electric quantity and the like of energy; the edge calculation module 504 is responsible for calculating the equivalent impedance of the system line and performing anomaly judgment according to the equivalent impedance; the communication sending module 505 may send the processing information, for example, when the abnormality is determined, the abnormality processing information is sent to the energy data gateway, and the energy data gateway sends the abnormality processing information to the energy server.
With regard to the energy information sensor 5 in the above-described embodiment, the specific manner in which the respective modules perform the operations has been described in detail in the embodiment related to the method, and will not be explained in detail here.
Referring to fig. 6, fig. 6 is a block diagram illustrating an energy internet line monitoring system according to an exemplary embodiment, where the energy internet line monitoring system includes: the energy internet line monitoring device is as described above.
In the energy internet line monitoring system 6 shown in fig. 6, information data acquired by the energy information sensor 5 can be uploaded to the energy data gateway 7 through a communication bus or wirelessly, and the energy data gateway collectively uploads the information data to the energy server 8 through the ethernet. Any one of the energy information sensor 5, the energy data gateway 7, and the energy server 8 may implement the method of the present application.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, the meaning of "plurality" means at least two unless otherwise specified.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and further, as used herein, connected may include wirelessly connected; the term "and/or" is used to include any and all combinations of one or more of the associated listed items.
Any process or method descriptions in flow charts or otherwise described herein may be understood as: represents modules, segments or portions of code which include one or more executable instructions for implementing specific logical functions or steps of a process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (12)

1. A method for monitoring an energy internet line, the method comprising:
acquiring voltage and current information acquired by a first energy information sensor and a second energy information sensor respectively;
calculating equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and judging whether the system line is abnormal according to the calculated equivalent impedance, and carrying out corresponding treatment when the system line is abnormal.
2. The method of claim 1, wherein the first energy information sensor and the second energy information sensor are under a same communication bus.
3. The method of claim 1,
the first energy information sensor and the second energy information sensor are both arranged on two parallel monitoring lines with the same upper-level monitoring line; or
One of the first energy information sensor and the second energy information sensor is arranged on a topology monitoring line of a monitoring line where the other one is located.
4. The method of claim 1, further comprising:
receiving an association setting between the first energy information sensor and the second energy information sensor.
5. The method according to claim 1, wherein said calculating an equivalent impedance from the voltage and current information collected by each of the first energy information sensor and the second energy information sensor comprises:
according to the formula:
Figure FDA0002777662360000011
calculating an equivalent impedance of the first energy information sensor side and an equivalent impedance of the second energy information sensor side;
in the formula:
r1 is the equivalent impedance of first energy information sensor side, and R2 is the equivalent impedance of second energy information sensor side, and U10, I10 are respectively the voltage and the current information of first energy information sensor collection at first time point, and U20, I20 are respectively the voltage and the current information of second energy information sensor collection at first time point, and U11, I11 are respectively the voltage and the current information of first energy information sensor collection at second time point, and U21, I21 are respectively the voltage and the current information of second energy information sensor collection at the second time point.
6. The method of claim 5, wherein said determining whether the system line is abnormal according to the calculated equivalent impedance comprises:
and when any one of the two calculated equivalent impedances is larger than a set threshold value, judging that the system line is abnormal.
7. The method according to any one of claims 1-6, wherein said performing a corresponding process upon exception comprises:
and when the abnormal line is abnormal, determining the abnormal line according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively.
8. An apparatus for monitoring an energy internet line, the apparatus comprising:
the acquisition module is used for acquiring voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
the calculating module is used for calculating equivalent impedance according to the voltage and current information acquired by the first energy information sensor and the second energy information sensor respectively;
and the judgment processing module is used for judging whether the system line is abnormal according to the calculated equivalent impedance and carrying out corresponding processing when the system line is abnormal.
9. An energy internet line monitoring device, comprising:
one or more memories having executable programs stored thereon;
one or more processors configured to execute the executable program in the memory to implement the steps of the method of any one of claims 1-7.
10. The energy internet line monitoring apparatus according to claim 9, wherein the energy internet line monitoring apparatus comprises:
an energy information sensor, an energy data gateway, or an energy server.
11. The energy internet line monitoring device according to claim 10, when the energy internet line monitoring device is an energy information sensor, comprising:
the association setting module is used for setting the address of another energy information sensor so as to set the another energy information sensor as an associated energy information sensor;
the communication monitoring module is used for receiving the voltage and current information detected by the associated energy information sensor;
the energy information acquisition module is used for detecting voltage and current information;
an edge calculation module for implementing the steps of the method of any one of claims 1 to 7;
and the communication sending module is used for sending the processing information.
12. An energy internet line monitoring system, comprising: an energy internet line monitoring apparatus as claimed in any one of claims 9 to 11.
CN202011270899.0A 2020-11-13 2020-11-13 Energy Internet line monitoring method, device, equipment and system Pending CN112565344A (en)

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