CN117054795B - Intelligent distribution box detection system and method based on multi-loop detection - Google Patents
Intelligent distribution box detection system and method based on multi-loop detection Download PDFInfo
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Abstract
The invention relates to the technical field of multi-loop detection, in particular to an intelligent distribution box detection system and method based on multi-loop detection. The system comprises a current diagram detection module, a control module and a load distribution module. The invention judges the current and voltage flowing state of each loop in real time through the control module, sends out response information when abnormality occurs, establishes a connection channel with the current diagram detection module as starting information of load detection, thereby avoiding continuous starting of load detection, reducing loop operation load, distributing the newly added load to other loops through the load distribution module, realizing the intelligent distribution function of multi-loop load, and preventing overload condition of the loop from influencing the operation state of the whole circuit.
Description
Technical Field
The invention relates to the technical field of multi-loop detection, in particular to an intelligent distribution box detection system and method based on multi-loop detection.
Background
The circuit loops, namely the closed loops, are all closed to be effective, and each loop is simply a closed circuit, and the current in one circuit needs to pass through the whole circuit from the positive electrode, and the circuit is short-circuited, and the closed loop is formed by returning all electric appliances to the negative electrode, so that the current loops are used synchronously with a plurality of loops to meet the electricity consumption requirement, and the current flow, the voltage flow and the load of each loop are all in a certain range, and when a certain loop is abnormal in load, the overload condition of the loop can occur to influence the operation of the whole circuit.
In order to address the above problems, there is a need for an intelligent distribution box detection system and method based on multi-loop detection.
Disclosure of Invention
The invention aims to provide an intelligent distribution box detection system and method based on multi-loop detection, which are used for solving the problems in the background technology.
In order to achieve the above object, one of the objects of the present invention is to provide an intelligent distribution box detection system based on multi-loop detection, which comprises a circuit diagram detection module, a data transmission communication establishment module, a control module and a load distribution module;
The circuit diagram detection module is used for identifying each loop and detecting current, voltage and load data information of each loop;
The output end of the circuit diagram detection module is connected with the input end of the data transmission communication establishment module, and the data transmission communication establishment module is used for establishing a data communication channel and converting data information into an electric signal;
The output end of the data transmission communication establishment module is connected with the input end of the control module, the control module is used for receiving electric signals corresponding to data information, identifying the content of the electric signals, collecting the current and voltage of each loop under a normal load state, determining whether the current and voltage of each loop are abnormal or not according to the electric signals corresponding to the data information, keeping a normal running state when no abnormality occurs, and sending response information by the control module when the abnormality occurs, connecting the response information with the output end of the load distribution module and transmitting the response information to the load distribution module;
The control module establishes a connection channel with the circuit diagram detection module, the circuit diagram detection module receives response information transmitted by the control module, starts a loop load detection mode, detects newly-increased loads of all loops, generates newly-increased load information, and transmits the newly-increased load information to the load distribution module, and the load distribution module collects load ranges borne by all loops, distributes loads of the loops with newly-increased loads in the load ranges, and distributes the newly-increased loads to other loops.
As a further improvement of the technical scheme, the circuit diagram detection module comprises a current detection unit and a voltage detection unit, wherein the current detection unit is used for detecting the current flowing through the loop in real time, and the voltage detection unit is used for detecting the voltage of the loop in real time.
As a further improvement of the technical scheme, the circuit diagram detection module further comprises a load detection unit, the input end of the load detection unit is connected with the output end of the control module, the output end of the load detection unit is connected with the input end of the load distribution module, and the load detection unit is used for receiving response information, starting a load detection function and carrying out load detection on each loop.
As a further improvement of the technical scheme, the current detection unit adopts a current transformer, the voltage detection unit adopts a voltage transformer, the load detection unit adopts a multi-channel direct current electronic load tester, the multi-channel direct current electronic load tester is designed in a modularized manner, a host module double-load module outer frame and a four-load module outer frame are arranged, and the load modules are formed by adopting a load module system with multiple types of power and are used for carrying out load detection on different loops.
As a further improvement of the technical scheme, the control module comprises a data signal receiving unit, a data content identifying unit and a response control unit, wherein the data signal receiving unit is used for receiving an electric signal corresponding to data information, the output end of the data signal receiving unit is connected with the input end of the data content identifying unit, the data content identifying unit is used for identifying the content of the electric signal, and the response control unit is used for collecting the current carrying amount and the voltage amount range of each loop, formulating a transmission data threshold and responding to the electric signal exceeding the transmission data threshold.
As a further improvement of the technical scheme, the response control unit adopts a threshold comparison algorithm, and the algorithm formula is as follows:
；
；
；
Wherein the method comprises the steps of For a set of load ranges for each loop under normal load conditions,To the point ofFor the corresponding load range of each loop under the normal load condition,To detect the load set under normal load conditions for each circuit,To the point ofTo detect the load capacity of each circuit under normal load conditions,As a function of the comparison of the threshold values,For the load capacity detected by the circuit therein,And the load range is corresponding to the normal load state of the loop.
As a further improvement of the technical scheme, the load distribution module comprises a loop load range statistics unit and a distribution mode planning unit, the loop load range statistics unit is used for collecting load ranges borne by all loops, the output end of the loop load range statistics unit is connected with the input end of the distribution mode planning unit, and the distribution mode planning unit combines the current load conditions of all loops to formulate a corresponding load distribution mode.
As a further improvement of the technical scheme, the load distribution module further comprises a database storage unit, wherein the input end of the database storage unit is connected with the output end of the distribution mode planning unit, and the database storage unit is used for establishing a storage database for storing distribution scheme information corresponding to different loop load anomalies so as to enable data to be directly called in the later period and improve the response rate of the whole system.
The second object of the present invention is to provide a method for using an intelligent distribution box detection system based on multi-loop detection, comprising the following steps:
S1, a circuit diagram detection module identifies each loop and detects current, voltage and load data information of each loop;
S2, the data transmission communication establishment module builds a data communication channel, converts data information into an electric signal and transmits the electric signal to the control module;
S3, the control module identifies the content of the electric signal, simultaneously collects the current and the voltage of each loop under the normal load state, identifies the content of the electric signal corresponding to the data information, determines whether the current and the voltage of each loop are abnormal, maintains the normal operation state when no abnormality occurs, and sends a response message when the abnormality occurs;
S4, the load distribution module collects load ranges borne by all loops, and distributes loads to loops with newly increased loads in the load ranges, and distributes the newly increased loads to other loops.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the intelligent distribution box detection system and the intelligent distribution box detection method based on multi-loop detection, the current and voltage flowing states of all loops are judged in real time through the control module, when abnormality occurs, response information is sent out, a connection channel is established with the current diagram detection module and used as starting information of load detection, so that continuous starting of load detection is avoided, loop operation loads are reduced, load distribution is carried out on loops with newly increased loads through the load distribution module, the newly increased loads are distributed to other loops, the intelligent distribution function of multi-loop load is achieved, overload conditions of the loops are prevented, and the operation state of the whole circuit is affected.
2. According to the intelligent distribution box detection system and the intelligent distribution box detection method based on multi-loop detection, a storage database is established through the database storage unit and is used for storing distribution scheme information corresponding to different loop load anomalies so as to enable data to be directly called in the later period, and the response rate of the whole system is improved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
The meaning of each reference sign in the figure is:
10. a circuit diagram detection module; 110. a current detection unit; 120. a voltage detection unit; 130. a load detection unit;
20. A data transmission communication establishment module;
30. a control module; 310. a data signal receiving unit; 320. a data content identification unit; 330. a response control unit;
40. A load distribution module; 410. a loop load range statistics unit; 420. an allocation pattern planning unit; 430. the database stores the cells.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1, an objective of the present embodiment is to provide an intelligent distribution box detection system based on multi-loop detection, which includes a circuit diagram detection module 10, a data transmission communication establishment module 20, a control module 30 and a load distribution module 40;
The circuit diagram detection module 10 is used for identifying each loop and detecting current, voltage and load data information of each loop;
the output end of the circuit diagram detection module 10 is connected with the input end of the data transmission communication establishment module 20, and the data transmission communication establishment module 20 is used for constructing a data communication channel and converting data information into an electric signal;
The output end of the data transmission communication establishment module 20 is connected with the input end of the control module 30, the control module 30 is used for receiving electric signals corresponding to data information, identifying the content of the electric signals, collecting the current and voltage of each loop under a normal load state, corresponding to the data information, determining whether the current and voltage of each loop are abnormal or not, keeping a normal operation state when no abnormality occurs, and when the abnormality occurs, the control module 30 sends out response information, is connected with the output end of the load distribution module 40 and transmits the response information to the load distribution module 40;
The control module 30 establishes a connection channel with the circuit diagram detection module 10, the circuit diagram detection module 10 receives response information transmitted by the control module 30, starts a loop load detection mode, detects newly increased loads of all loops, generates newly increased load information, transmits the newly increased load information to the load distribution module 40, and the load distribution module 40 collects load ranges borne by all loops, distributes loads of the loops with newly increased loads in the load ranges, and distributes the newly increased loads to other loops.
When the circuit loop is specifically used, namely, a closed loop is needed to be closed, each loop can be effectively used, in short, one loop is a closed circuit, the current in one circuit needs to flow through the whole circuit from the positive electrode, the resistor is needed to be arranged in the circuit, otherwise, short circuit is formed, the current flows back to the negative electrode through all electric appliances, and thus, a closed loop is formed, and in the existing circuit loop, a plurality of loops are needed to be matched for synchronous use in order to meet the electricity consumption requirement, and the current flow quantity, the voltage flow quantity and the load of each loop are all in a certain range, when a certain loop is abnormal in load, the loop is overloaded, the operation of the whole circuit is affected, and therefore, the real-time detection is needed for a plurality of loops, and the traditional detection mode is that corresponding current detection equipment, voltage detection equipment and load detection equipment are mounted on each loop and are started in real time, under the normal state, the load condition is kept unchanged, detection data information tends to be consistent, and the load detection equipment is in the open state for a long time, so that the running load of the loop is caused, and the normal operation of the loop is affected;
In order to cope with the above problems, during the multi-loop detection, the circuit diagram detection module 10 first identifies each loop, detects the current, voltage and load data information of each loop, and when it is worth explaining, the load detection of each loop is in a closed state in a normal state, and the circuit diagram detection module 10 transmits the data information to the data transmission communication establishment module 20;
because the system cannot directly identify data information, a data communication channel is required to be established through the data transmission communication establishment module 20, the data information is converted into an electric signal, the electric signal is transmitted to the control module 30, the control module 30 identifies the content of the electric signal, simultaneously, the current and the voltage flowing through each loop are collected under a normal load state, the electric signal content corresponding to the data information is identified, whether the current and the voltage flowing through each loop are abnormal or not is determined, when the abnormality does not occur, the normal operation state is maintained, when the abnormality occurs, the control module 30 sends out response information, at this time, the control module 30 and the circuit diagram detection module 10 establish a connection channel, the control module 30 transmits the response information to the circuit diagram detection module 10 through the connection channel, the circuit diagram detection module 10 starts a load detection function, carries out load detection on each loop, and positions the newly-added loop;
Meanwhile, the control module 30 transmits response information to the load distribution module 40, the load distribution module 40 collects the load range borne by each loop, load distribution is carried out on the newly-added loop within the load range, the newly-added load is distributed to other loops, the current and voltage flowing state of each loop is judged in real time through the control module 30, when abnormality occurs, response information is sent out, a connection channel is established with the circuit diagram detection module 10 and used as starting information of load detection, continuous starting of load detection is avoided, loop operation load is reduced, load distribution is carried out on the newly-added loop through the load distribution module 40, the newly-added load is distributed to other loops, the intelligent load distribution function of multiple loops is achieved, overload conditions of the loops are prevented from being affected, and the operation state of the whole circuit is prevented from being affected.
Since the current and voltage of each loop need to be detected in real time, and the current and voltage of each loop are used as prediction standards for determining the newly added load in the later stage, the circuit diagram detection module 10 further includes a current detection unit 110 and a voltage detection unit 120, the current detection unit 110 is used for detecting the current flowing through the loop in real time, the voltage detection unit 120 is used for detecting the voltage of the loop in real time, the current flowing through the loop is detected in real time by the current detection unit 110, and the voltage detection unit 120 is used for detecting the voltage of the loop in real time, so as to generate detection data information.
The load detection is started for a long time, so that the load of the loop can cause the running load to the loop, and after the load of the loop is increased, the current flow or the voltage of the loop can be directly changed, and further, the circuit diagram detection module 10 further comprises a load detection unit 130, the input end of the load detection unit 130 is connected with the output end of the control module 30, the output end of the load detection unit 130 is connected with the input end of the load distribution module 40, the load detection unit 130 is used for receiving response information, starting the load detection function, and carrying out load detection on each loop, so that the load detection is started when the current or the voltage of the loop is abnormal, the long-time starting of the load detection is avoided, the circuit loss is reduced, the running load of each loop is reduced, and the flexibility of the loop detection is improved.
Specifically, the current detection unit 110 adopts a current transformer, the voltage detection unit 120 adopts a voltage transformer, the load detection unit 130 adopts a multi-channel direct current electronic load tester, the multi-channel direct current electronic load tester is designed in a modularized manner, the host module comprises a double-load module outer frame and a four-load module outer frame, and the load modules are composed of load module systems with multiple types of power and are used for carrying out load detection on different loops.
In addition, the control module 30 includes a data signal receiving unit 310, a data content identifying unit 320, and a response control unit 330, where the data signal receiving unit 310 is configured to receive an electrical signal corresponding to data information, the output end of the data signal receiving unit 310 is connected to the input end of the data content identifying unit 320, the data content identifying unit 320 is configured to identify the content of the electrical signal, the response control unit 330 collects the carrying current amounts and the voltage amount ranges of the respective loops, establishes a transmission data threshold, and receives the electrical signal corresponding to the data information through the data signal receiving unit 310 in response to the electrical signal exceeding the transmission data threshold, and then identifies the content of the electrical signal, that is, the voltage amount and the current amount currently flowing through the respective loops, by the data content identifying unit 320, keeps a weak change within a certain range, when the voltage amount and the current amount are out of the range, indicating that the loop is abnormal at this time, by responding to the control unit 330 collects the carrying current amounts and the voltage amount ranges of the respective loops, establishes a channel connected to the load detecting unit 130 in response to the electrical signal exceeding the transmission data threshold, and transmits the response information to the load detecting unit 130 through the connected channel, thereby detecting the load of the loop.
In addition, the response control unit 330 employs a threshold comparison algorithm, whose algorithm formula is as follows:
；
；
；
Wherein the method comprises the steps of For a set of load ranges for each loop under normal load conditions,To the point ofFor the corresponding load range of each loop under the normal load condition,To detect the load set under normal load conditions for each circuit,To the point ofTo detect the load capacity of each circuit under normal load conditions,As a function of the comparison of the threshold values,For the load capacity detected by the circuit therein,The load range corresponding to the normal load state of the loop is set;
in the actual calculation process, firstly, the current detection unit 110 is used to detect the instantaneous current of each loop, the voltage detection unit 120 is used to detect the instantaneous voltage of each loop, the instantaneous current and the instantaneous voltage are the currently detected load capacity of the loop, then the position of the loop is determined, the load range of the loop in the normal load state is called, when the currently detected load capacity of the loop is in the load range of the loop in the normal load state, the threshold value comparison function is used The output is 0, which indicates that the loop is in a normal load state, load detection is not required to be started, and when the load capacity currently detected by the loop exceeds the load range of the loop in a normal load state, the threshold value comparison function is used for comparing the load capacity of the loopThe output is 1, which indicates that the loop is in a load abnormal state, and load detection needs to be started.
Further, the load distribution module 40 includes a loop load range statistics unit 410 and a distribution pattern planning unit 420, where the loop load range statistics unit 410 is configured to collect load ranges carried by each loop, the output end of the loop load range statistics unit 410 is connected to the input end of the distribution pattern planning unit 420, the distribution pattern planning unit 420 combines the current load conditions of each loop to formulate a corresponding load distribution pattern, when a load of a loop or a plurality of loops is increased to cause the load bearing capacity of the loop to exceed the standard, and when load distribution is performed, it is required to avoid the normal loop from exceeding the standard due to load distribution, so that the load range carried by each loop is collected through the loop load range statistics unit 410, and then the distribution pattern planning unit 420 combines the current load conditions of each loop to formulate a corresponding load distribution pattern, i.e. ensure that the distribution capacity is adapted to the load range of each distribution loop.
Still further, the load distribution module 40 further includes a database storage unit 430, where an input end of the database storage unit 430 is connected to an output end of the distribution pattern planning unit 420, and the database storage unit 430 establishes a storage database for storing distribution scheme information corresponding to different loop load anomalies, so as to enable data to be directly called in a later period, and improve a response rate of the whole system.
It is a second object of the present embodiment to provide a method for using an intelligent distribution box detection system based on multi-loop detection, comprising the following method steps:
s1, a circuit diagram detection module 10 identifies each loop and detects current, voltage and load data information of each loop;
S2, the data transmission communication establishment module 20 establishes a data communication channel, converts data information into an electric signal, and transmits the electric signal to the control module 30;
S3, the control module 30 identifies the content of the electric signals, simultaneously collects the current and the voltage of each loop under the normal load state, identifies the content of the electric signals corresponding to the data information, determines whether the current and the voltage of each loop are abnormal, maintains the normal operation state when the current and the voltage of each loop are not abnormal, and sends a response message when the current and the voltage of each loop are abnormal;
and S4, the load distribution module 40 collects the load range borne by each loop, distributes the load of the loop with the newly added load in the load range, and distributes the newly added load to the rest loops.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. Intelligent distribution box detecting system based on multiloop detects, its characterized in that: the system comprises a circuit diagram detection module (10), a data transmission communication establishment module (20), a control module (30) and a load distribution module (40);
The circuit diagram detection module (10) is used for identifying each loop and detecting current, voltage and load data information of each loop;
the output end of the circuit diagram detection module (10) is connected with the input end of the data transmission communication establishment module (20), and the data transmission communication establishment module (20) is used for establishing a data communication channel and converting data information into an electric signal;
The output end of the data transmission communication establishment module (20) is connected with the input end of the control module (30), the control module (30) is used for receiving electric signals corresponding to data information, identifying the content of the electric signals, collecting the current and voltage of each loop under a normal load state, determining whether the current and voltage flow of each loop are abnormal or not according to the electric signals corresponding to the data information, keeping a normal operation state when the current and the voltage flow of each loop are abnormal or not, and sending response information by the control module (30) when the current and the voltage flow are abnormal, connecting the response information with the output end of the load distribution module (40) and transmitting the response information to the load distribution module (40);
The control module (30) establishes a connection channel with the circuit diagram detection module (10), the circuit diagram detection module (10) receives response information transmitted by the control module (30), starts a loop load detection mode, detects newly-increased loads of all loops, generates newly-increased load information, transmits the newly-increased load information to the load distribution module (40), the load distribution module (40) collects load ranges carried by all loops, distributes the newly-increased loads to other loops within the load ranges, judges current and voltage flowing states of all loops in real time through the control module (30), sends response information when abnormality occurs, establishes a connection channel with the circuit diagram detection module (10), serves as starting information of load detection, distributes the newly-increased loads to the other loops through the load distribution module (40), and distributes the newly-increased loads to the other loops;
the control module (30) comprises a data signal receiving unit (310), a data content identification unit (320) and a response control unit (330), wherein the data signal receiving unit (310) is used for receiving an electric signal corresponding to data information, the output end of the data signal receiving unit (310) is connected with the input end of the data content identification unit (320), the data content identification unit (320) is used for identifying the content of the electric signal, and the response control unit (330) is used for collecting the bearing current quantity and the voltage quantity range of each loop, formulating a transmission data threshold value and responding to the electric signal exceeding the transmission data threshold value;
The load distribution module (40) comprises a loop load range statistics unit (410) and a distribution mode planning unit (420), wherein the loop load range statistics unit (410) is used for collecting load ranges borne by all loops, the output end of the loop load range statistics unit (410) is connected with the input end of the distribution mode planning unit (420), and the distribution mode planning unit (420) combines the load conditions of all the current loops to formulate a corresponding load distribution mode;
the circuit diagram detection module (10) comprises a current detection unit (110) and a voltage detection unit (120), wherein the current detection unit (110) is used for detecting the current flowing through a loop in real time, and the voltage detection unit (120) is used for detecting the voltage of the loop in real time;
The circuit diagram detection module (10) further comprises a load detection unit (130), the input end of the load detection unit (130) is connected with the output end of the control module (30), the output end of the load detection unit (130) is connected with the input end of the load distribution module (40), the load detection unit (130) is used for receiving response information and starting a load detection function to carry out load detection on each loop, wherein the control module (30) sends out the response information to serve as starting information of the load detection, at the moment, the load detection unit (130) receives the response information and starts the load detection function to carry out load detection on each loop, and the load detection is started when the current or the voltage of the loop is abnormal;
The current detection unit (110) adopts a current transformer, the voltage detection unit (120) adopts a voltage transformer, the load detection unit (130) adopts a multi-channel direct current electronic load tester, the multi-channel direct current electronic load tester is in modularized design, the host module comprises a double-load module frame and a four-load module frame, and the load module comprises a load module system with multiple types of power and is used for carrying out load detection on different loops;
The response control unit (330) adopts a threshold comparison algorithm, and the algorithm formula is as follows:
；
；
；
Wherein the method comprises the steps of For a set of load ranges for each loop under normal load conditions,To the point ofFor the corresponding load range of each loop under the normal load condition,To detect the load set under normal load conditions for each circuit,To the point ofTo detect the load capacity of each circuit under normal load conditions,As a function of the comparison of the threshold values,For the load capacity detected by the circuit therein,For the corresponding bearing range under the normal load state of the loop, firstly, measuring the instantaneous current quantity of each loop through a current detection unit (110), measuring the instantaneous voltage quantity of each loop through a voltage detection unit (120), wherein the instantaneous current quantity and the instantaneous voltage quantity are the bearing capacity currently detected by the loop, then determining the position of the loop, calling the bearing range under the normal load state of the loop, and when the bearing capacity currently detected by the loop is in the bearing range under the normal load state of the loop, comparing the threshold value with a functionThe output is 0, which indicates that the loop is in a normal load state, load detection is not required to be started, and when the load capacity currently detected by the loop exceeds the load range of the loop in a normal load state, the threshold value comparison function is used for comparing the load capacity of the loopThe output is 1, which indicates that the loop is in a load abnormal state and load detection needs to be started;
The load distribution module (40) further comprises a database storage unit (430), wherein the input end of the database storage unit (430) is connected with the output end of the distribution mode planning unit (420), and the database storage unit (430) is used for establishing a storage database for storing distribution scheme information corresponding to different loop load anomalies so as to enable data to be directly called in the later period and improve the response rate of the whole system;
The intelligent distribution box detection method through the intelligent distribution box detection system comprises the following steps:
S1, a circuit diagram detection module (10) identifies each loop and detects current, voltage and load data information of each loop;
s2, a data communication channel is built by the data transmission communication building module (20), data information is converted into an electric signal, and the electric signal is transmitted to the control module (30);
S3, the control module (30) identifies the content of the electric signal, simultaneously collects the current and the voltage of each loop under the normal load state, identifies the content of the electric signal corresponding to the data information, determines whether the current and the voltage of each loop are abnormal, maintains the normal running state when the current and the voltage of each loop are not abnormal, and sends a response message when the current and the voltage of each loop are abnormal;
S4, a load distribution module (40) collects the load range borne by each loop, and distributes the load of the loop with the newly added load in the load range, and distributes the newly added load to the rest loops.
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