CN117895652A - Wireless intelligent control shore power voltage regulation system and wireless intelligent control voltage regulation method for ship - Google Patents
Wireless intelligent control shore power voltage regulation system and wireless intelligent control voltage regulation method for ship Download PDFInfo
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- CN117895652A CN117895652A CN202410070911.5A CN202410070911A CN117895652A CN 117895652 A CN117895652 A CN 117895652A CN 202410070911 A CN202410070911 A CN 202410070911A CN 117895652 A CN117895652 A CN 117895652A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00004—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the power network being locally controlled
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention relates to the technical field of ship shore power connection control, and discloses a ship wireless intelligent control shore power connection voltage regulating system and a wireless intelligent control voltage regulating method; the ship wireless intelligent control shore power connection voltage regulating system comprises a fixed ship electric controller, a portable ship electric controller and a shore power controller; the fixed ship electric controller is used for generating a first voltage regulating signal and sending the first voltage regulating signal to the shore power controller; the portable ship electric controller is used for generating a second voltage regulating signal and sending the second voltage regulating signal to the shore power controller; the shore power controller is connected with the voltage regulating transformer and is used for receiving the target voltage regulating control signal and regulating the output voltage of the voltage regulating transformer according to the target voltage regulating control signal. The method can control the shore power controller to adjust the voltage of the ship in a ship control wireless voltage regulation mode, ensures the stability of the voltage of the ship, and uses the voltage regulation transformer to control the voltage of the ship in a ship wireless mode.
Description
Technical Field
The invention relates to the technical field of ship shore power connection control, in particular to a wireless intelligent control shore power connection voltage regulating system and a wireless intelligent control voltage regulating method for a ship.
Background
Due to the increase of intelligent devices on modern ships, the requirements on voltage stability are higher and higher, and the importance of the voltage stability is self-evident especially for scientific research ships, because the voltage stability is directly related to the normal use of the scientific research equipment and the use precision of the scientific research equipment. If the voltage is unstable, equipment damage, data loss, intelligent control errors and the like can be caused, so that in order to ensure the normal operation of modern ships, particularly scientific research ships, it is important to ensure the stability of the ship voltage.
At present, shore control is mainly adopted for regulating the shore voltage, namely, the output voltage of a transformer is directly regulated on the shore, so that the ship load voltage is regulated, and the mode has the main defects that the ship load voltage is regulated by regulating the output voltage of the transformer in a pre-estimated mode to be higher or lower, so that the precision is lower. Another way is to thicken the power supply cable, so that the voltage drop is reduced when the load changes, to maintain the basic stability of the load voltage, and the use is inconvenient because of the heavy cable. Therefore, the current shore power connection system has the problems of large voltage fluctuation of ships, inaccurate shore adjustment, and inconvenient use due to the adoption of a thick cable to compensate voltage drop.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a wireless intelligent control shore power voltage regulating system and a wireless intelligent control voltage regulating method for ships, which are used for solving the problems of large voltage fluctuation of ships, inaccurate shore regulation and inconvenient use due to the adoption of thick cables to compensate pressure drop in the existing shore power system.
In a first aspect, the present invention provides a wireless intelligent control shore power voltage regulating system for a ship, the system comprising:
the fixed ship electric controller comprises a first touch screen, a first antenna and a first processor; the first touch screen is connected with the first processor, and is used for generating first voltage sampling data obtained in a wired mode and outputting the first voltage sampling data to the first processor, wherein the first voltage sampling data represents a response result of the first touch screen to the artificial or intelligent touch operation; the first processor is connected with the first antenna, and is used for generating a first voltage regulating signal according to the first voltage sampling data and transmitting the first voltage regulating signal to the first antenna; the first antenna is used for sending a first voltage regulating signal to the shore power controller;
the portable ship electric controller comprises a ship electric information shooting and collecting device, a second antenna and a second processor; the marine electricity information shooting acquisition device is connected with the second processor, and is used for acquiring second voltage sampling data and transmitting the second voltage sampling data to the second processor, wherein the second voltage sampling data represents a sampling result of reading of the voltmeter; the second processor is connected with the second antenna, and is used for intelligently processing and generating a second voltage regulating signal according to second voltage sampling data and transmitting the second voltage regulating signal to the second antenna; the second antenna is used for sending a second voltage regulating signal to the shore power controller;
a shore power controller including a third antenna and a third processor; the third antenna is connected with the third processor, and is used for receiving a target voltage regulation control signal and transmitting the target voltage regulation control signal to the third processor, wherein the target voltage regulation control signal comprises a first voltage regulation signal or a second voltage regulation signal; the third processor is connected with a logic controller in the voltage regulating transformer, and is used for regulating the output voltage of the voltage regulating transformer through the logic controller in the voltage regulating transformer according to the target voltage regulating control signal and for regulating and stabilizing the ship voltage.
The invention uses a fixed ship electric controller or a portable ship electric controller to generate a first voltage regulating signal or a second voltage regulating signal by an internal processor, and sends the voltage regulating signal to a shore power controller through a wireless device, and the shore power controller receives the voltage regulating signal and controls a voltage regulating transformer to regulate voltage; therefore, the method realizes the scheme of wireless control and intelligent control of the shore power, achieves the purpose of conveniently controlling the shore power, and ensures that the accuracy and stability of the ship voltage are higher compared with the blindness of direct voltage regulation on the shore, and simultaneously saves the shore power control time and reduces the labor cost.
In an alternative embodiment, the voltage regulating transformer is a ship wireless intelligent control shore power voltage regulating transformer with combination of series transformation and main transformation:
the voltage regulating transformer comprises primary side equipment and secondary side equipment, wherein the primary side equipment comprises a first main transformer winding and an adjustable winding which are arranged in parallel, and the secondary side equipment comprises a second main transformer winding and a series transformer winding which are arranged in series; the primary side device is connected with the secondary side device, wherein the first main transformer winding corresponds to the second main transformer winding, and the adjustable winding corresponds to the series transformer winding;
the logic controller is a voltage-regulating controller, the logic controller is connected with the third processor, and the third processor sends a control signal to the logic controller according to a target voltage-regulating control signal;
the first main transformer winding has a first voltage, the second main transformer winding has a second voltage, and the second voltage is a voltage obtained by boosting the first voltage; the adjustable winding has a third voltage, the series-variable winding has a fourth voltage, and the fourth voltage is the voltage after the third voltage is intelligently regulated;
the logic controller is connected with the adjustable winding and is used for adjusting the third voltage according to the target voltage regulation control signal; the sum of the fourth voltage and the second voltage is a fifth voltage, and the fifth voltage is the output voltage of the output end of the secondary side equipment of the voltage regulating transformer.
The voltage regulating transformer receives the voltage regulating signal sent by the ship electric controller through the antenna, processes the voltage regulating signal in the shore power controller, and outputs voltage to the ship electric through the logic controller to stabilize the ship load voltage.
In an alternative embodiment, the logic controller is configured to turn down the number of turns of the adjustable winding to increase the fourth voltage of the series variable winding; alternatively, the logic controller is configured to increase the number of turns of the adjustable winding to decrease the fourth voltage of the series variable winding.
The invention can more accurately and finely adjust the output voltage of the voltage-regulating transformer by adjusting the number of turns of the adjustable winding to change the fourth voltage of the series-varying winding.
In an alternative embodiment, the input end of the primary side device is connected with the first main transformer winding and the adjustable winding in a Y shape; the second main transformer winding and the series transformer winding are connected by using a triangle.
In an alternative embodiment, the logic controller is a programmable logic controller.
The high-power transformer usually has few voltage regulation, such as voltage regulation is usually carried out on a high-voltage side tap, and continuous voltage regulation is difficult, and the problems of high current and voltage resistance are considered in the traditional voltage regulation mode; according to the invention, the voltage is regulated by combining the main transformer and the series transformer, so that the capacity of the voltage regulating part is reduced, and the voltage regulating current is reduced; the turn number of the primary side equipment for voltage regulation is changed through the control logic controller, and the voltage of the primary side equipment is kept unchanged, so that the transformer ratio of the secondary side equipment serial transformation is changed, the fourth voltage is changed, and the fifth voltage is regulated.
In an alternative embodiment, the first voltage sampling data is an output sampling voltage of the load screen voltmeter connected in parallel; the first processor is used for determining a voltage deviation value according to the first voltage sampling data and the rated voltage, and generating a first voltage regulating signal according to the voltage deviation value, wherein the first voltage regulating signal is an increasing voltage signal or a decreasing voltage signal.
The load voltage meter records the real-time load voltage of the ship load, the first processor determines a voltage deviation value according to the load voltage, the generated first voltage regulating signal is more accurate, and when the voltage regulating transformer performs voltage regulation according to the first voltage regulating signal, the ship load can be ensured to stably operate.
In an alternative embodiment, the second sampled data is a digital voltmeter reading or a pointer voltmeter reading; the ship electricity information shooting and collecting device is used for generating second voltage sampling data in a mode of shooting digital voltmeter readings or pointer type voltmeter readings.
Through marine electric information pick-up collection system, through taking digital voltmeter reading or pointer voltmeter reading, need not to carry out manual control input, can produce second voltage sampling data fast.
In an alternative embodiment, the portable shipboard electronic controller further comprises a second touch screen;
the second touch screen is used for generating a voltage regulating instruction based on a response to a preset touch operation and transmitting the voltage regulating instruction to the second processor; the voltage regulating instruction is a continuous instruction or a data instruction, wherein the continuous instruction represents the voltage regulating instruction generated based on the response to the continuous clicking operation, and the continuous instruction is used for enabling the output voltage of the voltage regulating transformer to be increased or decreased by a preset unit voltage; the data command indicates a voltage regulation command generated based on a response to the regulation data input operation, the data command being for increasing or decreasing an output voltage of the voltage regulating transformer to a voltage corresponding to the regulation data; the preset touch operation comprises continuous clicking operation and adjustment data input operation;
the second processor is used for generating a third voltage regulating signal according to the voltage regulating instruction and transmitting the third voltage regulating signal to the second antenna;
the second antenna is used for sending a third voltage regulating signal to the shore power controller; the target voltage regulation control signal further comprises a third voltage regulation signal.
According to the voltage deviation value, the wireless intelligent voltage regulation can be realized, and the command type wireless voltage regulation can be realized; through touch operation on the second touch screen, a voltage regulating instruction is input to the second processor, and the voltage regulating instruction can be repeatedly input until satisfaction; the voltage regulating instruction generates a third voltage regulating signal through the second processor, the third voltage regulating signal is sent to the shore power controller, and the shore power controller controls the voltage regulating transformer to regulate voltage according to the third voltage regulating signal.
In a second aspect, the present invention provides a wireless intelligent control voltage regulation method, including:
receiving a target voltage regulation control signal sent by a fixed ship electric controller or a portable ship electric controller;
and regulating the output voltage of the regulating transformer according to the target regulating control signal.
The third antenna of the shore power controller receives a target voltage regulating control signal sent by the fixed ship electric controller or the portable ship electric controller, the voltage regulating signal is transmitted to the third processor for processing, and the third processor further controls the voltage regulating transformer to regulate the voltage according to the content of the voltage regulating signal, and outputs the required output voltage.
In an alternative embodiment, the stationary marine electric controller is further operable to automatically detect the load voltage at preset time intervals and to automatically generate the voltage regulation signal based on the load voltage.
According to the actual demand, a certain time interval is set in the fixed ship electric controller to automatically detect the load voltage, and a voltage regulating signal is automatically generated according to the load voltage, so that the monitoring is not required to be actively carried out, and the ship electric controller is more convenient and intelligent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a ship wireless intelligent control shore power voltage regulating system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of a stationary marine electric controller, a portable marine electric controller, and a shore power controller according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a structure of a pressure regulating working sub-page in a first touch screen or a second touch screen according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of another marine wireless intelligent control shore power voltage regulating system according to an embodiment of the present invention;
fig. 5 is a flow chart of a wireless intelligent control voltage regulation method according to an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. 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.
At present, if a ship is connected with shore power, a ship engine needs to be closed, the ship is connected with a shore power station through a cable artificially, when the ship leaves, the shore power station needs to be disconnected artificially, the ship engine is started again, and the cable is retracted. The whole process and the time and labor consumption of the whole process are that the power-off shore power connection of the ship engine brings trouble to the power-off reset of other equipment of the ship. In addition, to minimize cable drop, the cable cross section is typically chosen to be relatively large, making the cable very heavy, especially inconvenient to move from dock to ship or from ship to shore. In the aspect of transformers, a common contact coil surface sliding voltage regulating transformer is extremely easy to generate arc damage, and three-phase voltage unbalance is easy to be caused after the service time is long. If the shore power voltage regulation is adopted, blindness exists, and the ship power voltage is inaccurate.
The wireless intelligent control referred to in the present invention means that the first processor 1002 and the second processor 1012 in the fixed type ship electric controller 100 and the portable type ship electric controller 101 of the present invention can process data intelligently, and transmit data through an antenna and a wireless manner.
The embodiment of the invention provides a wireless intelligent control shore power voltage regulation control mode on the ship when the ship is connected with the shore power, and can also realize wireless intelligent seamless connection of the ship with the shore power. The shore power end comprises a shore power controller and a wireless intelligent control voltage regulating transformer which combines serial transformation and main transformation; the operator can use the fixed ship electric controller or the portable ship electric controller to transmit the voltage regulating signal to the shore power controller in a wireless signal mode, and the shore power controller controls the voltage regulating transformer to regulate the output voltage according to the voltage regulating signal. The scheme of the invention is innovated in the traditional shore power control system, solves the existing problems, and improves and optimizes the existing problems.
As shown in fig. 1, and in conjunction with fig. 2, the present invention provides a wireless intelligent control shore power voltage regulation system for a ship, which may include, but is not limited to, a stationary ship electrical controller 100, a portable ship electrical controller 101, and a shore power controller 102.
The fixed ship electric controller 100 includes a first touch screen 1001, a first antenna 1003, and a first processor 1002; the first touch screen 1001 is connected to the first processor 1002, and the first touch screen 1001 is configured to generate first voltage sampling data and output the first voltage sampling data to the first processor 1002, where the first voltage sampling data represents a response result of the first touch screen 1001 to a touch operation; the first processor 1002 is connected to the first antenna 1003, and the first processor 1002 is configured to generate a first voltage adjustment signal according to the first voltage sampling data, and is configured to transmit the first voltage adjustment signal to the first antenna 1003; the first antenna 1003 is used to send a first voltage regulation signal to the shore power controller 102.
The manner of acquiring the first voltage sample data may further set the first processor 1002 to automatically acquire the first voltage sample data in an intelligent manner, which is equivalent to a response result of manually operating the first touch screen 1001, in addition to the manual operation manner on the first touch screen 1001.
The first touch screen 1001 specifically includes a work page, and an operator performs an operation on the work page by touching, for example, a click operation or an input operation; the first touch screen 1001 responds to the above operation to obtain first voltage sampling data; the first processor 1002 acquires the first voltage sampling data, performs intelligent processing to generate a first voltage adjustment signal corresponding to the first voltage sampling data, and transmits the first voltage adjustment signal to the shore power controller 102 through the first antenna 1003.
A portable ship electric controller 101 including a ship electric information camera acquisition device 1011, a second antenna 1013, and a second processor 1012; the marine electric information camera shooting acquisition device 1011 is connected with the second processor 1012, and the marine electric information camera shooting acquisition device 1011 is used for acquiring second voltage sampling data and transmitting the second voltage sampling data to the second processor 1012, wherein the second voltage sampling data represents a sampling result of reading a voltmeter; the second processor 1012 is connected to the second antenna 1013, and the second processor 1012 is configured to generate a second voltage adjustment signal according to the second voltage sampling data, and is configured to send the second voltage adjustment signal to the second antenna 1013; the second antenna 1013 is used to send the second voltage regulating signal to the shore power controller 102.
When the operator is not in the fixed ship electric controller, the portable ship electric controller can be used for voltage regulation; the portable ship electric controller comprises a ship electric information shooting and collecting device 1011, and an operator obtains second voltage sampling data by shooting the reading of the voltmeter; the second processor 1012 acquires the second voltage sampling data, performs intelligent processing, generates a second voltage regulating signal, and sends the second voltage regulating signal to the shore power controller 102 through the second antenna 1013.
Shore power controller 102, including third antenna 1021 and third processor 1022; the third antenna 1021 is connected to the third processor 1022, and the third antenna 1021 is configured to receive a target voltage regulation control signal, and is configured to transmit the target voltage regulation control signal to the third processor 1022, where the target voltage regulation control signal includes a first voltage regulation signal and a second voltage regulation signal; the logic controller 1023 is connected to the voltage regulating transformer 103, and the logic controller 1023 is configured to regulate the output voltage of the voltage regulating transformer 103 according to the target voltage regulating control signal.
In this embodiment, the first processor 1002 is configured to output a sampling voltage parallel to the load screen voltmeter according to the first voltage sampling data, determine a voltage deviation value with the rated voltage, and generate a first voltage adjustment signal according to the voltage deviation value, where the first voltage adjustment signal is an increasing voltage signal or a decreasing voltage signal.
The load voltage meter records the real-time load voltage of the ship load, the first processor 1002 determines a voltage deviation value according to the load voltage to be more accurate, so that the generated first voltage regulating signal is more accurate, and when the voltage regulating transformer 103 performs voltage regulation according to the first voltage regulating signal, the stable operation of the ship load voltage can be ensured.
In this embodiment, the second voltage sampling data is a digital voltmeter reading or a pointer voltmeter reading; the marine electricity information shooting acquisition device 1011 is used for generating second voltage sampling data by shooting a digital voltmeter reading or a pointer type voltmeter reading.
Through marine electric information camera shooting collection system 1011, through taking digital voltmeter reading or pointer voltmeter reading, need not to carry out manual control input, can produce second voltage sampling data fast.
As shown in fig. 3, in this embodiment, the portable shipboard controller 101 further includes a second touch screen 1014.
A second touch screen 1014 for generating a voltage adjustment command based on a response to a preset touch operation, and for transmitting the voltage adjustment command to the second processor 1012; the voltage regulating instruction is a continuous instruction or a data instruction, the continuous instruction represents the voltage regulating instruction generated based on the response to the continuous clicking operation, and the continuous instruction is used for increasing or decreasing the output voltage of the voltage regulating transformer 103 by a preset unit voltage; the data instruction means a voltage regulation instruction generated based on a response to the regulation data input operation, the data instruction being for increasing or decreasing the output voltage of the voltage regulating transformer 103 to a voltage corresponding to the regulation data; the preset touch operation includes a continuous clicking operation and an adjustment data input operation.
As shown in fig. 3, the coarse adjustment voltage rise, the coarse adjustment voltage drop, the fine adjustment voltage rise, and the fine adjustment voltage drop are in a continuous command mode; the voltage is regulated by a coarse voltage rising and coarse voltage drop key, and the voltage is increased or decreased at 5V intervals; adjusting the voltage by a trimming voltage rising and trimming voltage drop key, wherein the voltage is increased or decreased at 1V intervals; the voltage regulating part is a data command and directly inputs the required voltage to the voltage regulating part according to actual conditions; and the return button is clicked to exit the operation interface when the operation interface is not needed to be used.
According to the actual ship, when the ship approaches the wharf, operators on duty, especially scientific investigation ships, are more, and the operators on duty can finish the operation by adjusting the voltage deviation of the load screen. The duty crews regularly patrol, generally load change is less evening, patrol time is long, daytime is more due to the fact that scientific equipment is used, patrol time is more intensive, and is defined as patrol once in half an hour to 1 hour in daytime, patrol once in two hours at night, when the voltage deviation value is found to be greater than 2V (volts, units of voltage), the portable touch screen is clicked, the corresponding voltage is increased or reduced by instructions, the instructions are continuous instructions and data instructions, the continuous instructions are continuous adjustment to increase or decrease the voltage of 1V and 1V till satisfaction, and the data instructions are direct input of adjustment data, such as 3V increase or 3V decrease.
The second processor 1012 is configured to generate a third voltage adjustment signal according to the voltage adjustment command, and to transmit the third voltage adjustment signal to the second antenna 1013.
A second antenna 1013 for transmitting a third voltage regulation signal to the shore power controller 102; the target voltage regulation control signal further comprises a third voltage regulation signal.
According to the voltage deviation value, the wireless intelligent voltage regulation can be realized, and the command type wireless voltage regulation can be realized; by touch operation on the first touch screen 1001 or the second touch screen 1014, a voltage adjustment instruction is input to the first processor 1002 or the second processor 1012, and the voltage adjustment instruction can be repeatedly input until satisfaction; the voltage regulating instruction generates a first voltage regulating signal or a second voltage regulating signal through the first processor 1002 or the second processor 1012, the first voltage regulating signal and the second voltage regulating signal are sent to the shore power controller 102, and the shore power controller 102 controls the voltage regulating transformer 103 to regulate voltage according to the first voltage regulating signal or the second voltage regulating signal.
The embodiment of the invention combines wireless intelligent control seamless shore power, and invents a new voltage regulating system; by using the fixed ship electric controller 100 or the portable ship electric controller 101, a voltage regulating signal is sent to the shore power controller 102 through a wireless device in an intelligent or manual instruction mode, and the shore power controller 102 receives the voltage regulating signal and controls the voltage regulating transformer 103 to regulate voltage.
In this embodiment, the voltage regulating transformer 103 is a wireless intelligent control voltage regulating transformer 103 combining series transformation and main transformation:
the voltage regulating transformer 103 comprises primary side equipment and secondary side equipment, wherein the primary side equipment comprises a first main transformer winding and an adjustable winding which are arranged in parallel, and the secondary side equipment comprises a second main transformer winding and a series transformer winding which are arranged in series; the primary side device is connected with the secondary side device, wherein the first main transformer winding corresponds to the second main transformer winding, and the adjustable winding corresponds to the series transformer winding.
The logic controller 1023 is a voltage-regulating controller, the logic controller 1023 is connected to the third processor 1022, and the third processor 1022 sends a control signal to the logic controller 1023 according to the target voltage-regulating control signal.
The first main transformer winding has a first voltage, the second main transformer winding has a second voltage, and the second voltage is a voltage obtained by boosting the first voltage; the adjustable winding has a third voltage, and the series-variable winding has a fourth voltage, which is a voltage obtained by transforming the third voltage.
The logic controller 1023 is connected with the adjustable winding, and the logic controller 1023 is used for adjusting the third voltage according to the control signal; the sum of the fourth voltage and the second voltage is a fifth voltage, and the fifth voltage is an output voltage of the output terminal of the secondary side device. The transformer receives the voltage regulating signal sent by the ship electric controller in a wireless way, processes the voltage regulating signal in the shore power controller 102, and outputs voltage to the ship electric through the voltage regulating of the logic controller 1023 so as to stabilize the ship load voltage.
In this embodiment, the logic controller 1023 is configured to turn down the number of turns of the adjustable winding to increase the fourth voltage of the series variable winding; alternatively, logic controller 1023 is configured to increase the number of turns of the adjustable winding to decrease the fourth voltage of the series variable winding.
In the embodiment, the input end of the primary side device is connected with the first main transformer winding and the adjustable winding in a Y shape; the second main transformer winding and the series transformer winding are connected by using a triangle.
The voltage regulating transformer is an innovation point in the invention, the embodiment transmits three-phase four-wire 400V voltage from a 10KV/400V transformer according to the load capacity of a scientific research ship, and the three-phase four-wire 400V voltage is converted by means of YNd11 connection groups (connection groups defined in the transformer) to obtain a three-phase insulation system (without zero line or neutral line), wherein the output voltage of the three-phase insulation system is fifth voltage, and the output voltage is 690V-710V, and 21 gears are adjustable, namely 21 gears are corresponding to the adjustable winding; the specific regulation mode is that a first voltage 400V of a main transformer winding of primary side equipment is connected with an adjustable winding in parallel, and each phase of the adjustable winding is divided into 21 connection gears connected with corresponding turns by Y-shaped connection; the number of turns of a second main transformer winding in the secondary side equipment is more, the second main transformer winding and the series transformer winding are connected in a triangular mode, and the second voltage of the second main transformer winding is 668.5V; the number of turns of the series-change winding in the secondary side equipment is less, and smaller voltage is output at the output end, namely the fourth voltage of the series-change winding is adjustable from 21.5V to 41.5V; the second voltage of the second main transformer winding of the secondary side device is added with the fourth voltage of the series transformer winding to obtain an output voltage, namely a fifth voltage.
The primary side adjustable winding of the voltage regulating transformer has small section, large resistance and small output current; in addition, the on-off of the device adopts a gear shifting mode that three contacts correspond to three gears, and the three contacts are sequentially connected and then disconnected, so that the damage of gear shifting electric arcs is reduced, and the purpose of safely and reliably regulating the voltage of primary side equipment is achieved.
The voltage regulating transformer is divided into main transformer and series transformer, the whole transformer capacity is 630KVA, and the current of the transformer is up to 909A once when the transformer is fully loaded, if the main transformer and the series transformer are not divided, and a single winding is used. The current is also 170A calculated from the actual load 118KVA of the ship. The primary side capacity is that the main transformer and the series transformer are adopted at present to regulate the voltage: s is S 1 ＝3U p1 I p1 ＝3U p1 (I p1a +I p1b ) Secondary side capacity: s is S 2 ＝3U p2 I p2 ＝3(U p2a +U p2b )I p2 The voltage regulating mode is changed from 630KVA of a voltage regulating capacity whole transformer to 20KVA of capacity of only a serial-to-variable part, the voltage regulating capacity is reduced by 31 times, and the primary side voltage regulating current is reduced to about 5.41A from 170A when calculated by 118KVA of the actual load of a ship. In addition, the on-off adopts a gear shifting mode that three contacts correspond to three gears, and the three contacts are sequentially connected and then disconnected, and the corresponding conversion current is reduced toThe whole gear-shifting current is greatly reduced, and gear-shifting electric sparks are avoided, so that the service life of the voltage-regulating control gear-shifting switch is prolonged.
Wherein S is 1 Representing primary side device capacity, device capacity being apparent power; u (U) p1 Representing the phase voltage of the primary side device; i p1 Representing phase currents of the primary side device; i p1a Representing the current of the main transformer part in the primary side device, I p1b Representing the current of the adjustable winding portion in the primary side device; s is S 2 Representing the capacity of secondary side equipment, wherein the capacity of the equipment is apparent power; u (U) p2 Representing secondary side devicesPhase voltages of (a); i p2 Phase current representing the secondary side device; u (U) p2a Representing the voltage of the main transformer part in the secondary side device, U p2b Representing the voltage of the series-changed part in the secondary side device.
In this embodiment, the logic controller 1023 is a programmable logic controller:
the high-power transformer usually has few voltage regulation, such as voltage regulation is usually carried out on a high-voltage side tap, and continuous voltage regulation is not possible, and the problems of high current and voltage resistance are considered in the traditional voltage regulation mode; according to the invention, the voltage is regulated by combining the main transformer and the series transformer, so that the capacity of the voltage regulating part is reduced, and the voltage regulating current is reduced; the number of turns of the primary side equipment for voltage regulation is changed through the control logic controller 1023, so that the voltage of the primary side equipment is unchanged, the transformer ratio of the secondary side equipment serial transformation is changed, the fourth voltage is changed, and the fifth voltage is regulated.
In the embodiment, the number of turns of the adjustable winding is adjusted by using a PLC (programmable logic controller), so that the output voltage to the ship electrical terminal is adjusted, and the ship load voltage is stabilized.
The embodiment of the invention provides a wireless intelligent control voltage regulating method, which corresponds to the flow chart shown in fig. 5 and can be combined with fig. 4, and the method comprises the following steps:
step S501 receives a target voltage regulation control signal issued by the stationary ship electrical controller 100 or the portable ship electrical controller 101.
Step S502 adjusts the output voltage of the step-up transformer 103 according to the target step-up control signal.
The third antenna 1021 of the shore power controller 102 receives the target voltage regulation control signal sent by the fixed ship electric controller 100 or the portable ship electric controller 101, the voltage regulation signal is transmitted to the third processor 1022 for processing, and the third processor 1022 further controls the voltage regulation transformer 103 to regulate the voltage according to the content of the voltage regulation signal, and outputs the required output voltage.
In this embodiment, the fixed ship electric controller 100 may also be used to automatically detect the load voltage at preset time intervals and to automatically generate the voltage regulation signal according to the load voltage.
According to the actual demand, a certain time interval can be set in the fixed ship electric controller 100 to automatically detect the load voltage, and the voltage regulating signal is automatically generated according to the load voltage, so that the monitoring is not required to be actively performed, and the fixed ship electric controller is more convenient and intelligent.
The invention provides a novel wireless voltage regulation mode for ship shore power connection, realizes the regulation of ship voltage in a wireless mode, does not need to use a large number of control cables, is convenient and quick in voltage regulation, and has higher precision; the shore power transformer is regulated through wireless transmission by sampling the deviation of load voltage, and the voltage regulating mode is adopted to connect the shore power cable without adopting a large-section cable to reduce voltage drop, and the heavy cable is used and inconvenient. The cable with the suitable section can be designed according to the capacity of the ship load, the section is smaller, the weight is reduced, and the cable can be conveniently moved to and from the ship.
In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "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 present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a 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 at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
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", "axial", "radial", "circumferential", 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 device or element being 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 invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. A wireless intelligent control shore power voltage regulating system for ships is characterized by comprising:
the fixed ship electric controller comprises a first touch screen, a first antenna and a first processor; the first touch screen is connected with the first processor, and is used for generating first voltage sampling data obtained in a wired mode and outputting the first voltage sampling data to the first processor, wherein the first voltage sampling data represents a response result of the first touch screen to artificial or intelligent operation; the first processor is connected with the first antenna, and is used for generating a first voltage regulating signal according to the first voltage sampling data and transmitting the first voltage regulating signal to the first antenna; the first antenna is used for sending the first voltage regulating signal to a shore power controller;
the portable ship electric controller comprises a ship electric information shooting and collecting device, a second antenna and a second processor; the marine electricity information shooting acquisition device is connected with the second processor, and is used for acquiring second voltage sampling data and transmitting the second voltage sampling data to the second processor, wherein the second voltage sampling data represents a sampling result of reading a voltmeter; the second processor is connected with the second antenna, and is used for intelligently processing and generating a second voltage regulating signal according to the second voltage sampling data and transmitting the second voltage regulating signal to the second antenna; the second antenna is used for sending the second voltage regulating signal to the shore power controller;
the shore power controller comprises a third antenna and a third processor; the third antenna is connected with the third processor, and is used for receiving a target voltage regulation control signal and transmitting the target voltage regulation control signal to the third processor, wherein the target voltage regulation control signal comprises the first voltage regulation signal or the second voltage regulation signal; the third processor is connected with a logic controller in the voltage regulating transformer, and is used for regulating the output voltage of the voltage regulating transformer through the logic controller in the voltage regulating transformer according to the target voltage regulating control signal and for regulating and stabilizing the ship voltage.
2. The system of claim 1, wherein the step-up transformer is a ship wireless intelligent control shore power step-up transformer combining a series transformer and a main transformer:
the voltage regulating transformer comprises primary side equipment and secondary side equipment, wherein the primary side equipment comprises a first main transformer winding and an adjustable winding which are arranged in parallel, and the secondary side equipment comprises a second main transformer winding and a series transformer winding which are arranged in series; the first main transformer winding corresponds to the second main transformer winding, and the adjustable winding corresponds to the series transformer winding;
the logic controller is a voltage-regulating controller, the logic controller is connected with the third processor, and the third processor sends a control signal to the logic controller according to the target voltage-regulating control signal;
the first main transformer winding has a first voltage, the second main transformer winding has a second voltage, and the second voltage is a main voltage obtained by transforming the first voltage; the adjustable winding has a third voltage, the series-variable winding has a fourth voltage, and the fourth voltage is the voltage after the third voltage is intelligently regulated;
the logic controller is connected with the adjustable winding and is used for adjusting the third voltage according to the target voltage regulation control signal; the sum of the fourth voltage and the second voltage is a fifth voltage, and the fifth voltage is an output voltage of the secondary side equipment output end of the voltage regulating transformer.
3. The system of claim 2, wherein the system further comprises a controller configured to control the controller,
the logic controller is used for adjusting the number of turns of the adjustable winding to be small so as to increase the fourth voltage of the series-variable winding; alternatively, the logic controller is configured to increase the number of turns of the adjustable winding to decrease the fourth voltage of the series variable winding.
4. A system according to claim 2 or 3, wherein,
the input end of the primary side device is connected with the first main transformer winding and the adjustable winding in a Y shape;
the second main transformer winding and the series transformer winding are connected by using a triangle.
5. A system according to claim 2 or 3, wherein the logic controller is a programmable logic controller.
6. A system according to any one of claims 1 to 3,
the first voltage sampling data are output sampling voltages which are connected in parallel with a load screen voltmeter; the first processor is used for determining a voltage deviation value according to the first voltage sampling data and rated voltage, and generating a first voltage regulating signal according to the voltage deviation value, wherein the first voltage regulating signal is an increasing voltage signal or a decreasing voltage signal.
7. A system according to any one of claims 1 to 3,
the second voltage sampling data are digital voltmeter readings or pointer voltmeter readings;
the ship electricity information shooting and collecting device is used for generating second voltage sampling data in a mode of shooting the digital voltmeter reading or the pointer voltmeter reading.
8. A system according to any one of claims 1 to 3, wherein the portable marine electrical controller further comprises a second touch screen;
the second touch screen is used for generating a voltage regulating instruction based on a response to a preset touch operation and transmitting the voltage regulating instruction to the second processor; the voltage regulating instruction is a continuous instruction or a data instruction, the continuous instruction represents a voltage regulating instruction generated based on a response to continuous clicking operation, and the continuous instruction is used for enabling the output voltage of the voltage regulating transformer to be increased or decreased by a preset unit voltage; the data instruction represents a voltage regulation instruction generated based on a response to a regulation data input operation, the data instruction being for increasing or decreasing an output voltage of the voltage regulating transformer to a voltage corresponding to the regulation data; the preset touch operation comprises the continuous clicking operation and the adjustment data input operation;
the second processor is used for generating a third voltage regulating signal according to the voltage regulating instruction and transmitting the third voltage regulating signal to a second antenna;
the second antenna is used for sending the third voltage regulating signal to the shore power controller; the target voltage regulation control signal further includes the third voltage regulation signal.
9. A wireless intelligent control voltage regulation method, characterized in that the method is applied to the system of any one of claims 1 to 8; the method comprises the following steps:
receiving a target voltage regulation control signal sent by a fixed ship electric controller or a portable ship electric controller;
and regulating the output voltage of the regulating transformer according to the target regulating voltage control signal.
10. The method of claim 9, wherein the stationary marine electric controller is also operable to automatically detect load voltage at predetermined time intervals for wireless intelligent voltage regulation.
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| US20030105567A1 (en) * | 2001-11-28 | 2003-06-05 | Koenig David J. | Mobile energy management system |
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| US20030105567A1 (en) * | 2001-11-28 | 2003-06-05 | Koenig David J. | Mobile energy management system |
| US20130257143A1 (en) * | 2012-03-28 | 2013-10-03 | Unitron, L.P. | Apparatus for interconnecting a ship with a port power grid |
| WO2021077571A1 (en) * | 2019-10-24 | 2021-04-29 | 江苏科技大学 | Ship shore power multi-power system detection and self-adaptive control system |
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