CN116149212A - Integrated circuit system applied to submarine cable - Google Patents
Integrated circuit system applied to submarine cable Download PDFInfo
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- CN116149212A CN116149212A CN202211471977.2A CN202211471977A CN116149212A CN 116149212 A CN116149212 A CN 116149212A CN 202211471977 A CN202211471977 A CN 202211471977A CN 116149212 A CN116149212 A CN 116149212A
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 10
- 239000011159 matrix material Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 238000010248 power generation Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 7
- 239000013535 sea water Substances 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/005—Circuits arrangements for indicating a predetermined temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
- H02H7/228—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for covered wires or cables
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/10—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Control Of Eletrric Generators (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention relates to the technical field of wind turbines, in particular to an integrated circuit system applied to submarine cables. Comprising the following steps: the system comprises an FPGA control module, a JHS integrated circuit, a communication interface module, a multi-channel circuit, an alarm module, a circuit breaker and a cable interface; the JHS integrated circuit is provided with a temperature sensor, the wireless temperature measurement receiving end is used for receiving temperature data and sending the temperature data to the industrial computer, the industrial computer is used for determining whether the temperature data is abnormal, and when the temperature data is abnormal and causes a fan short-circuit fault, the circuit breaker is controlled to be disconnected, and the alarm module is controlled to alarm. According to the invention, the temperature of the submarine cable is monitored online in the whole process, and the breaker is arranged between the fans, so that when the submarine cable fails, the breaker is removed through remote operation, and the power generation of the rest wind generating set can be recovered after the short-time power failure, so that the running stability of the wind generating set is greatly improved.
Description
Technical Field
The invention relates to the technical field of wind turbines, in particular to an integrated circuit system applied to submarine cables.
Background
Submarine cables must be considered for practical engineering applications in the manufacture of the cable, since they are intended to perform power transmission in the sea. The construction of submarine cable engineering is mainly limited by the conditions of regions, ocean engineering, construction equipment and the like, and the engineering construction relates to the technical field of wide range, large investment scale and complex construction technology. The engineering construction period can be generally divided into two stages, and the construction early-stage work mainly relates to engineering design, submarine cable routing, submarine cable manufacturing and transportation, and the engineering construction period mainly comprises submarine cable routing positioning, submarine cable laying, submarine cable protection, land equipment installation, detection and debugging, engineering acceptance and the like.
However, in the prior art, as the submarine cable is used as a hidden project, the temperature of the environment is uneven due to the conditions of a cable installation and laying mode, a landing mode and the like, and the factors such as seawater scouring, erosion and the like also cause the water blocking performance of the submarine cable to be poor, insulation is aged, the submarine cable generates leakage current, so that the temperature of a submarine cable fault point is increased, breakdown fault accidents are further generated, huge economic loss is caused, and the operation safety of the submarine cable is seriously influenced. Therefore, how to provide an integrated circuit system applied to a submarine cable is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide an integrated circuit system applied to a submarine cable, which is characterized in that the whole submarine cable is subjected to temperature on-line monitoring, and a breaker is arranged between fans, so that when the submarine cable fails, the breaker is removed through remote operation, and the power generation of the rest wind generating set can be recovered after the short-time power failure, thereby greatly improving the operation stability of the wind generating set.
According to the invention, the problems that in the prior art, the submarine cable is used as a hidden project, the temperature of the environment is uneven, the water blocking performance of the submarine cable is poor, insulation aging is caused by factors such as seawater scouring and erosion, leakage current is caused to the submarine cable, and accordingly, the temperature at the fault point of the submarine cable is increased to generate faults are improved.
The invention improves the fault detection mode of submarine cables in the prior art, the current detection mode is to detect the current of the submarine cables, but the current detection is not accurate, because ions exist in the seawater and are conductive, the temperature of the submarine cables is not accurate through simple current detection, the temperature of the submarine cables is inevitably increased at fault points due to leakage current generated by the submarine cables, and the temperature increase is not influenced by ions in the seawater, but is effectively ensured to be in healthy operation through the temperature detection mode compared with the temperature increase during normal operation.
In order to achieve the above object, the present invention provides the following technical solutions:
an integrated circuit system for use with a submarine cable, comprising: the system comprises an FPGA control module, a JHS integrated circuit, a communication interface module, a multi-channel circuit, an alarm module, a circuit breaker and a cable interface; the transmission end of the FPGA control module is respectively connected with the JHS integrated circuit, the communication interface module and the transmission end of the multi-channel circuit; the output end of the FPGA control module is connected with the input end of the alarm module, and the circuit breaker is arranged between fans connected with the integrated circuit of the submarine cable; wherein,,
the JHS integrated circuit is provided with a temperature sensor, the temperature sensor is used for detecting temperature data of the JHS integrated circuit in real time and transmitting the temperature data to a wireless temperature measurement receiving end in a wireless radio frequency mode, and the wireless temperature measurement receiving end is provided with an RS485 port;
the wireless temperature measurement receiving end is used for receiving the temperature data and sending the temperature data to the industrial personal computer, the industrial personal computer is used for determining whether the temperature data is abnormal, and when the temperature data is abnormal and causes the fan to have a short-circuit fault, the circuit breaker is controlled to be disconnected, and the alarm module is controlled to alarm.
In some embodiments of the present application, the industrial control computer is further configured to establish an equivalent model of the electrical system of each fan and an equivalent model of the generator, and perform short-circuit calculation according to the established equivalent model of the electrical system of the fan and the equivalent model of the generator;
the temperature sensor is also used for acquiring a fault temperature range of the fan in the case of short circuit fault;
the industrial control computer is also used for calculating the tolerance time of the fan to the fault temperature during short-circuit fault, and controlling the circuit breaker to be disconnected within the tolerance time so as to cut off a circuit.
In some embodiments of the present application, the temperature sensors are attached to the JHS integrated circuit, and the number of the temperature sensors is several;
the industrial control computer is also used for reading the temperature value of the contact of the circuit breaker through an OPC protocol, creating a data channel in the industrial control computer, displaying the temperature value of the contact of the circuit breaker on the industrial control computer, and controlling the alarm module to alarm through a voice alarm mode when the temperature value reaches a preset alarm threshold.
In some embodiments of the present application, a preset fault temperature matrix T0 and a preset tolerance time matrix a are set in the industrial personal computer, for the preset tolerance time matrix a, a (A1, A2, A3, A4) is set, where A1 is a first preset tolerance time, A2 is a second preset tolerance time, A3 is a third preset tolerance time, A4 is a fourth preset tolerance time, and A1 < A2 < A3 < A4;
setting T0 (T01, T02, T03, T04) for the preset fault temperature matrix T0, wherein T01 is a first preset fault temperature, T02 is a second preset fault temperature, T03 is a third preset fault temperature, T04 is a fourth preset fault temperature, and T01 is more than 20 ℃ and less than T02 and less than T03 and less than T04 and less than 60 ℃;
the industrial personal computer is also used for selecting corresponding tolerance time as the tolerance time of the fan calculated by the industrial personal computer to the fault temperature in the short-circuit fault according to the relation between the fault temperature T of the fan in the short-circuit fault and the preset fault temperature matrix T0, which are acquired by the temperature sensor;
when T is smaller than T01, the fourth preset tolerance time A4 is selected as the tolerance time of the fan to the fault temperature calculated by the industrial personal computer during short-circuit fault;
when T01 is less than or equal to T < T02, selecting the third preset tolerance time A3 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T02 is less than or equal to T03, selecting the second preset tolerance time A2 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T03 is less than or equal to T04, selecting the first preset tolerance time A1 as the tolerance time of the fan calculated by the industrial personal computer to the fault temperature during the short circuit fault.
In some embodiments of the present application, the industrial personal computer is further configured to calculate a fault temperature of the equivalent model of the electrical system and the equivalent model of the generator during a short circuit, and calculate the fault temperature during the short circuit by using a rotation speed of the generator and different values of a crowbar resistor in the equivalent model of the generator, so as to obtain a fault temperature range of the fan during the short circuit fault.
In some embodiments of the present application, the interface of the communication interface module is an RS-232 interface.
In some embodiments of the present application, the industrial control computer is further configured to control the circuit breaker to be opened when the temperature data is abnormal and causes the fan to have a short-circuit fault, so that each fan except for the fan with the short-circuit fault resumes power generation after a short-term power failure.
In some embodiments of the present application, the industrial personal computer is further configured to obtain a temperature variation trend of the contact of the circuit breaker, and a historical temperature variation trend.
In some embodiments of the present application, the alarm module is in the form of a voice alarm, the alarm module adopts an ISD4002 chip and an SPI serial communication protocol, and a prerecorded alarm voice is stored inside the alarm module.
The invention provides an integrated circuit system applied to a submarine cable, which has the beneficial effects that compared with the prior art:
according to the invention, the temperature of the whole section of the submarine cable is detected in real time, and the circuit breaker is arranged between the fans, so that when the current collection submarine cable fails, the circuit breaker is removed through remote operation, the power generation of the rest wind generating set can be recovered after the short-time power failure, and the power supply stability of the wind generating set is improved.
Drawings
Fig. 1 is a block diagram of an integrated circuit system of a submarine cable in an embodiment of the invention.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the inner sides of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
In the prior art, as the submarine cable is used as a hidden project, the temperature of the environment is uneven due to the conditions of a cable installation and laying mode, a landing mode and the like, and the factors such as seawater scouring, erosion and the like also cause the deterioration of the water blocking performance of the submarine cable, insulation aging and leakage current of the submarine cable, thereby causing the temperature rise at the fault point of the submarine cable, further causing breakdown fault accidents, causing huge economic loss, seriously affecting the operation safety of the submarine cable and the like.
Therefore, the invention provides the integrated circuit system applied to the submarine cable, which is characterized in that the temperature of the submarine cable is monitored on line in the whole process, and the circuit breaker is arranged between the fans, so that when the submarine cable fails, the circuit breaker is removed through remote operation, and the power generation of the rest wind generating set can be recovered after the short-time power failure, thereby greatly improving the operation stability of the wind generating set.
Referring to fig. 1, a disclosed embodiment of the invention provides an integrated circuit system for use with a submarine cable, comprising: the system comprises an FPGA control module, a JHS integrated circuit, a communication interface module, a multi-channel circuit, an alarm module, a circuit breaker and a cable interface; the transmission end of the FPGA control module is respectively connected with the JHS integrated circuit and the transmission end of the communication interface module and the transmission end of the multi-channel circuit; the output end of the FPGA control module is connected with the input end of the alarm module, and the circuit breaker is arranged between fans connected with the integrated circuit of the submarine cable; wherein,,
the JHS integrated circuit is provided with a temperature sensor, the temperature sensor is used for detecting temperature data of the JHS integrated circuit in real time and transmitting the temperature data to a wireless temperature measurement receiving end in a wireless radio frequency mode, and the wireless temperature measurement receiving end is provided with an RS485 port;
the wireless temperature measurement receiving end is used for receiving temperature data and sending the temperature data to the industrial computer, the industrial computer is used for determining whether the temperature data is abnormal, and when the temperature data is abnormal and causes a fan short-circuit fault, the circuit breaker is controlled to be disconnected, and the alarm module is controlled to alarm.
In a specific embodiment of the present application, the industrial control computer is further configured to establish an equivalent model of an electrical system of each fan and an equivalent model of the generator, and perform short-circuit calculation according to the established equivalent model of the electrical system of the fan and the equivalent model of the generator;
the temperature sensor is also used for acquiring a fault temperature range of the fan when the fan is in short circuit fault;
the industrial computer is also used for calculating the tolerance time of the fan to the fault temperature during short-circuit fault and controlling the circuit breaker to be opened in the tolerance time so as to cut off the circuit.
In a specific embodiment of the present application, the temperature sensors are attached to the JHS integrated circuit, and the number of the temperature sensors is several;
the industrial computer is also used for reading the temperature value of the contact of the circuit breaker through an OPC protocol, creating a data channel in the industrial computer, displaying the temperature value of the contact of the circuit breaker on the industrial computer, and controlling the alarm module to alarm through a voice alarm mode when the temperature value reaches a preset alarm threshold value.
In a specific embodiment of the application, a preset fault temperature matrix T0 and a preset tolerance time matrix a are set in the industrial personal computer, and for the preset tolerance time matrix a, a (A1, A2, A3, A4) is set, wherein A1 is a first preset tolerance time, A2 is a second preset tolerance time, A3 is a third preset tolerance time, A4 is a fourth preset tolerance time, and A1 < A2 < A3 < A4;
for a preset fault temperature matrix T0, setting T0 (T01, T02, T03 and T04), wherein T01 is a first preset fault temperature, T02 is a second preset fault temperature, T03 is a third preset fault temperature, T04 is a fourth preset fault temperature, and T01 is more than 20 ℃ and less than T02 is less than T03 and less than T04 is less than 60 ℃;
the industrial personal computer is also used for selecting corresponding tolerance time as the tolerance time of the fan calculated by the industrial personal computer to the fault temperature during the short-circuit fault according to the relation between the fault temperature T of the fan during the short-circuit fault and a preset fault temperature matrix T0, which is acquired by the temperature sensor;
when T is less than T01, selecting a fourth preset tolerance time A4 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T01 is less than or equal to T < T02, selecting a third preset tolerance time A3 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T02 is less than or equal to T03, selecting a second preset tolerance time A2 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T03 is less than or equal to T04, selecting a first preset tolerance time A1 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault.
In a specific embodiment of the present application, the industrial control computer is further configured to calculate a fault temperature of the equivalent model of the electrical system and the equivalent model of the generator during a short circuit, and calculate the fault temperature during the short circuit by using the rotation speed of the generator and different values of crowbar resistance in the equivalent model of the generator, so as to obtain a fault temperature range of the fan during the short circuit fault.
In a specific embodiment of the present application, the interface of the communication interface module is an RS-232 interface.
In a specific embodiment of the present application, the industrial personal computer is further configured to control the circuit breaker to be opened when the temperature data is abnormal and causes a fan to have a short-circuit fault, so that each fan except for the fan with the short-circuit fault resumes power generation after a short-term power failure.
In a specific embodiment of the present application, the industrial personal computer is further configured to obtain a temperature variation trend of the contact of the circuit breaker, and a historical temperature variation trend.
In a specific embodiment of the application, the alarm module is in a voice alarm form, the alarm module adopts an ISD4002 chip and an SPI serial communication protocol, and prerecorded alarm voice is stored in the alarm module.
According to the first technical conception of the invention, the temperature sensor is arranged on the JHS integrated circuit, the temperature data of the JHS integrated circuit is detected in real time, whether the temperature data is abnormal or not is determined, when the temperature data is abnormal and causes a fan short-circuit fault, the circuit breaker is controlled to be disconnected, and the alarm module is controlled to alarm.
According to the second technical conception of the invention, by detecting the temperature of the submarine cable, the temperature rise at the fault point of the submarine cable is necessarily caused due to the leakage current generated by the submarine cable, and the temperature rise is not influenced by ions in the seawater, but the healthy operation of the submarine cable is effectively ensured by the temperature detection mode compared with the temperature rise in normal operation.
In summary, the invention detects the temperature of the submarine cable in real time, installs the breaker between the fans, judges whether the temperature data is abnormal, and controls the breaker to be disconnected when the temperature data is abnormal and causes the fan to have a short-circuit fault, so that when the submarine cable is in fault, the breaker is removed through remote operation, and the power generation of the rest wind generating set can be recovered after the short-time power failure. The tolerance time of the submarine cable is determined through the fault temperature, and the breaker is cut off in time according to the tolerance time, so that the response efficiency is improved, and the running stability of power supply of the wind generating set is ensured.
The foregoing is merely an example of the present invention and is not intended to limit the scope of the present invention, and all changes made in the structure according to the present invention should be considered as falling within the scope of the present invention without departing from the gist of the present invention.
It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated here.
It should be noted that, in the system provided in the foregoing embodiment, only the division of the foregoing functional modules is illustrated, in practical application, the foregoing functional allocation may be performed by different functional modules, that is, the modules or steps in the embodiment of the present invention are further decomposed or combined, for example, the modules in the foregoing embodiment may be combined into one module, or may be further split into multiple sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps related to the embodiments of the present invention are merely for distinguishing the respective modules or steps, and are not to be construed as unduly limiting the present invention.
Those of skill in the art will appreciate that the various illustrative modules, method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the program(s) corresponding to the software modules, method steps, may be embodied in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art. To clearly illustrate this interchangeability of electronic hardware and software, various illustrative components and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as electronic hardware or software depends upon the particular application and design constraints imposed on the solution. Those skilled in the art may implement the described functionality using different approaches for each particular application, but such implementation is not intended to be limiting.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (9)
1. An integrated circuit system for use with a submarine cable, comprising: the system comprises an FPGA control module, a JHS integrated circuit, a communication interface module, a multi-channel circuit, an alarm module, a circuit breaker and a cable interface; the transmission end of the FPGA control module is respectively connected with the JHS integrated circuit, the communication interface module and the transmission end of the multi-channel circuit; the output end of the FPGA control module is connected with the input end of the alarm module, and the circuit breaker is arranged between fans connected with the integrated circuit of the submarine cable; wherein,,
the JHS integrated circuit is provided with a temperature sensor, the temperature sensor is used for detecting temperature data of the JHS integrated circuit in real time and transmitting the temperature data to a wireless temperature measurement receiving end in a wireless radio frequency mode, and the wireless temperature measurement receiving end is provided with an RS485 port;
the wireless temperature measurement receiving end is used for receiving the temperature data and sending the temperature data to the industrial personal computer, the industrial personal computer is used for determining whether the temperature data is abnormal, and when the temperature data is abnormal and causes the fan to have a short-circuit fault, the circuit breaker is controlled to be disconnected, and the alarm module is controlled to alarm.
2. An integrated circuit system for use in a submarine cable according to claim 1, wherein,
the industrial control computer is also used for establishing an equivalent model of the electrical system of each fan and an equivalent model of the generator, and carrying out short circuit calculation according to the established equivalent model of the electrical system of the fan and the equivalent model of the generator;
the temperature sensor is also used for acquiring a fault temperature range of the fan in the case of short circuit fault;
the industrial control computer is also used for calculating the tolerance time of the fan to the fault temperature during short-circuit fault, and controlling the circuit breaker to be disconnected within the tolerance time so as to cut off a circuit.
3. An integrated circuit system for use in a submarine cable according to claim 1, wherein,
the temperature sensors are attached to the JHS integrated circuit, and the number of the temperature sensors is several;
the industrial control computer is also used for reading the temperature value of the contact of the circuit breaker through an OPC protocol, creating a data channel in the industrial control computer, displaying the temperature value of the contact of the circuit breaker on the industrial control computer, and controlling the alarm module to alarm through a voice alarm mode when the temperature value reaches a preset alarm threshold.
4. An integrated circuit system for use in a submarine cable according to claim 2, wherein,
the industrial control computer is internally provided with a preset fault temperature matrix T0 and a preset tolerance time matrix A, and for the preset tolerance time matrix A, A (A1, A2, A3 and A4) is set, wherein A1 is a first preset tolerance time, A2 is a second preset tolerance time, A3 is a third preset tolerance time, A4 is a fourth preset tolerance time, and A1 is more than A2 and less than A3 and less than A4;
setting T0 (T01, T02, T03, T04) for the preset fault temperature matrix T0, wherein T01 is a first preset fault temperature, T02 is a second preset fault temperature, T03 is a third preset fault temperature, T04 is a fourth preset fault temperature, and T01 is more than 20 ℃ and less than T02 and less than T03 and less than T04 and less than 60 ℃;
the industrial personal computer is also used for selecting corresponding tolerance time as the tolerance time of the fan calculated by the industrial personal computer to the fault temperature in the short-circuit fault according to the relation between the fault temperature T of the fan in the short-circuit fault and the preset fault temperature matrix T0, which are acquired by the temperature sensor;
when T is smaller than T01, the fourth preset tolerance time A4 is selected as the tolerance time of the fan to the fault temperature calculated by the industrial personal computer during short-circuit fault;
when T01 is less than or equal to T < T02, selecting the third preset tolerance time A3 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T02 is less than or equal to T03, selecting the second preset tolerance time A2 as the tolerance time of the fan calculated by the industrial control computer to the fault temperature during the short circuit fault;
when T03 is less than or equal to T04, selecting the first preset tolerance time A1 as the tolerance time of the fan calculated by the industrial personal computer to the fault temperature during the short circuit fault.
5. An integrated circuit system for use in a submarine cable according to claim 2, wherein,
the industrial control computer is also used for calculating the fault temperature of the equivalent model of the electrical system and the fault temperature of the equivalent model of the generator during short-circuit, and calculating the fault temperature during short-circuit through the rotating speed of the generator and different values of crowbar resistance in the equivalent model of the generator so as to obtain the fault temperature range of the fan during short-circuit fault.
6. An integrated circuit system for use in a submarine cable according to claim 1, wherein the interface of the communication interface module is an RS-232 interface.
7. An integrated circuit system for use in a submarine cable according to claim 1, wherein,
and the industrial control computer is also used for controlling the circuit breaker to be disconnected when the temperature data is abnormal and causes the fan to have a short-circuit fault, so that all fans except the fan with the short-circuit fault recover to generate power after short-term power failure.
8. An integrated circuit system for use in a submarine cable according to claim 3,
the industrial control computer is also used for acquiring the temperature change trend of the contact of the circuit breaker and the historical temperature change trend.
9. An integrated circuit system for use in a submarine cable according to claim 1, wherein,
the alarm module is in a voice alarm form, the alarm module adopts an ISD4002 chip and an SPI serial communication protocol, and prerecorded alarm voice is stored in the alarm module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211471977.2A CN116149212A (en) | 2022-11-22 | 2022-11-22 | Integrated circuit system applied to submarine cable |
| BE20235229A BE1029983B1 (en) | 2022-11-22 | 2023-03-23 | An Integrated Circuit System applied to submarine cables |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211471977.2A CN116149212A (en) | 2022-11-22 | 2022-11-22 | Integrated circuit system applied to submarine cable |
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| CN116149212A true CN116149212A (en) | 2023-05-23 |
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| CN202211471977.2A Pending CN116149212A (en) | 2022-11-22 | 2022-11-22 | Integrated circuit system applied to submarine cable |
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| BE (1) | BE1029983B1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3900606A1 (en) * | 1989-01-11 | 1990-07-12 | Asea Brown Boveri | Protection of electrical cables (leads, lines) against excessive heating |
| JP3440785B2 (en) * | 1997-11-05 | 2003-08-25 | 矢崎総業株式会社 | Vehicle wire harness abnormality detection device and vehicle alarm device |
| FR3067162A1 (en) * | 2017-06-06 | 2018-12-07 | Supergrid Institute | CONNECTING CABLE FOR HIGH-VOLTAGE DC-CONTINUOUS NETWORK, DEVICE AND METHOD THEREOF |
| DE102017114309A1 (en) * | 2017-06-28 | 2019-01-03 | Innogy Se | WIND ENERGY SYSTEM AND METHOD FOR REGULATING A WIND POWER PLANT |
| JP7131211B2 (en) * | 2018-08-30 | 2022-09-06 | 株式会社オートネットワーク技術研究所 | Power supply controller |
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- 2022-11-22 CN CN202211471977.2A patent/CN116149212A/en active Pending
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| BE1029983B1 (en) | 2024-04-16 |
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