CN113460280A - Propeller for FPSO (Floating production storage and offloading), control system of propeller and FPSO - Google Patents
Propeller for FPSO (Floating production storage and offloading), control system of propeller and FPSO Download PDFInfo
- Publication number
- CN113460280A CN113460280A CN202110822620.3A CN202110822620A CN113460280A CN 113460280 A CN113460280 A CN 113460280A CN 202110822620 A CN202110822620 A CN 202110822620A CN 113460280 A CN113460280 A CN 113460280A
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- signal
- fpso
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- propeller
- torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a propeller for an FPSO (floating production storage and offloading) and a control system thereof, and the FPSO, wherein the control system for the propeller for the FPSO comprises an input unit, a power and rotating speed control unit and a torque control unit; the input unit is used for receiving a rotating speed signal set by the operating unit; the power and rotating speed control unit is used for receiving the rotating speed signal sent by the input unit and converting the rotating speed signal into a current signal; the torque control unit is used for receiving the current signal sent by the power and rotating speed control unit, converting the current signal into a torque signal and sending the torque signal to the frequency converter, so that the frequency converter controls the torque of the motor in the propeller according to the torque signal, the running safety and stability of the propeller are guaranteed, and the FPSO navigation can be driven stably.
Description
Technical Field
The invention relates to the field of ship and ocean engineering, in particular to a propeller for an FPSO (floating production storage and offloading) and a control system thereof and the FPSO.
Background
With the technical development trend of Floating Production Storage and Offloading (FPSO) and the increasing difficulty of offshore operation, marine oil and gas exploitation engineering equipment is developing towards large-scale, automation and specialization, and meanwhile, the requirements of International Maritime Organization (IMO) on the safety, environmental protection and other aspects of marine products are becoming stricter and stricter.
A Propeller (Propeller) is a device that converts any form of energy into mechanical energy, generates thrust by rotating blades or jets of air (water), and can be used to drive the FPSO forward. The control system of the propeller is the "central nerve" of the entire propulsion system. A good propeller control system is an important guarantee for the relevant propulsion performances such as FPSO maneuverability, sailing mileage, sailing speed and the like. Since the advent of electric propulsion technology, the industry has been exploring propeller control theories and methods to improve the safety, stability, and economy of propeller operation.
Disclosure of Invention
The invention aims to overcome the defects of low safety and stability of a propeller in the prior art, and provides a propeller for an FPSO (floating production storage and offloading), a control system of the propeller and the FPSO.
The invention solves the technical problems through the following technical scheme:
a first aspect of the invention provides a control system for a thruster of an FPSO, comprising an input unit, a power and rotational speed control unit, and a torque control unit;
the input unit is used for receiving a rotating speed signal set by the operating unit;
the power and rotating speed control unit is used for receiving the rotating speed signal sent by the input unit and converting the rotating speed signal into a current signal;
the torque control unit is used for receiving the current signal sent by the power and rotating speed control unit, converting the current signal into a torque signal and sending the torque signal to the frequency converter, so that the frequency converter controls the torque of the motor in the propeller according to the torque signal.
Preferably, the thruster is detachably connected to the FPSO.
Preferably, the input unit is further used for receiving a direction signal set by the manipulating unit; the power and rotating speed control unit is also used for receiving the direction signal sent by the input unit and converting the direction signal into a current signal.
Preferably, the manipulation unit is an upper computer.
Preferably, the range of the current signal is 4 mA-20 mA.
Preferably, the control system further comprises a monitoring unit and an alarm unit;
the monitoring unit is used for monitoring whether an abnormal signal exists in the FPSO and sending an alarm instruction to the alarm unit when the abnormal signal is monitored;
and the alarm unit is used for outputting an alarm signal after receiving the alarm instruction.
A second aspect of the invention provides a thruster for an FPSO including a control system as described in the first aspect.
A third aspect of the invention provides an FPSO detachably connectable to the thruster of the second aspect.
The positive progress effects of the invention are as follows: the control system of the propeller receives the rotating speed signal set by the control unit, converts the rotating speed signal into a current signal firstly, converts the current signal into a torque signal and sends the torque signal to the frequency converter, so that the frequency converter controls the torque of the motor in the propeller according to the torque signal, the running safety and stability of the propeller are guaranteed, and the FPSO navigation can be driven stably.
Drawings
Fig. 1 is a block diagram of a control system of a propeller for an FPSO according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a connection structure between the steering unit, the propeller, and the frequency converter according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
An embodiment of the present invention provides a control system 100 for a propeller of an FPSO, as shown in fig. 1, comprising an input unit 101, a power and rotational speed control unit 102, and a torque control unit 103.
Referring to fig. 2, the input unit 101 is for receiving a rotation speed signal set from the manipulation unit.
The power and rotation speed control unit 102 is configured to receive a rotation speed signal sent by the input unit, and convert the rotation speed signal into a current signal.
In an alternative embodiment, the input unit 101 is further configured to receive a direction signal set by the manipulation unit, and the power and rotation speed control unit 102 is further configured to receive the direction signal sent by the input unit and convert the direction signal into a current signal.
In an alternative embodiment, the control unit is an upper computer, and the rotation speed signal and/or the direction signal are transmitted to the control system remotely.
In a specific implementation, the current signal ranges from 4mA to 20 mA.
Referring to fig. 2, the torque control unit is configured to receive the current signal sent by the power and rotation speed control unit, convert the current signal into a torque signal, and send the torque signal to the frequency converter, so that the frequency converter controls the torque of the motor in the propeller according to the torque signal.
In this embodiment, a power supply end output by the frequency converter is connected to a power supply input end of a motor in the propeller, and the frequency converter controls the motor in the propeller according to the received torque signal, so that the motor outputs a stable torque.
The control system of propeller that this embodiment provided is through receiving the rotational speed signal that the manipulation unit set for, and will the rotational speed signal converts the electric current signal into earlier, converts the torque signal into again and sends the converter, so that the converter is according to torque signal control the torque of motor in the propeller has guaranteed the security and the stability of propeller operation, and then can drive the FPSO navigation steadily.
In an optional implementation manner, the control system further includes a monitoring unit and an alarm unit.
The monitoring unit is used for monitoring whether the FPSO has abnormal signals or not and sending an alarm instruction to the alarm unit when the abnormal signals are monitored. In one example, the monitoring unit is configured to monitor a temperature of the frequency converter, and send an alarm instruction to the alarm unit if the temperature is monitored to be abnormal. In another example, the monitoring unit is configured to monitor whether the pressure exceeds a preset threshold, and if so, send an alarm command to the alarm unit. In another example, the monitoring unit is configured to monitor whether the current signal exceeds a preset range, and if so, send an alarm command to the alarm unit.
And the alarm unit is used for outputting an alarm signal after receiving the alarm instruction. In a specific implementation, the alarm unit comprises a buzzer and/or a signal lamp.
The embodiment of the invention also provides a propeller for an FPSO, which comprises the control system in the embodiment.
In an alternative embodiment, the thruster for an FPSO further comprises a transformer and a power system.
In an alternative embodiment, the thruster is detachably connected to the FPSO. In one example, the propeller is only mounted to the hull when the FPSO is underway and is removed in the storage mode, which results in significant savings to the oil company.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (8)
1. A control system for a thruster of an FPSO comprising an input unit, a power and speed control unit and a torque control unit;
the input unit is used for receiving a rotating speed signal set by the operating unit;
the power and rotating speed control unit is used for receiving the rotating speed signal sent by the input unit and converting the rotating speed signal into a current signal;
the torque control unit is used for receiving the current signal sent by the power and rotating speed control unit, converting the current signal into a torque signal and sending the torque signal to the frequency converter, so that the frequency converter controls the torque of the motor in the propeller according to the torque signal.
2. The control system of claim 1, wherein the thruster is removably connected to the FPSO.
3. The control system of claim 1, wherein the input unit is further configured to receive a direction signal set from the steering unit; the power and rotating speed control unit is also used for receiving the direction signal sent by the input unit and converting the direction signal into a current signal.
4. The control system of claim 1, wherein the steering unit is a host computer.
5. The control system of claim 1, wherein the current signal ranges from 4mA to 20 mA.
6. The control system according to any one of claims 1-5, wherein the control system further comprises a monitoring unit and an alarm unit;
the monitoring unit is used for monitoring whether an abnormal signal exists in the FPSO and sending an alarm instruction to the alarm unit when the abnormal signal is monitored;
and the alarm unit is used for outputting an alarm signal after receiving the alarm instruction.
7. Thruster for an FPSO, comprising a control system according to any one of claims 1-6.
8. An FPSO wherein the FPSO is removably attachable to the thruster of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822620.3A CN113460280A (en) | 2021-07-21 | 2021-07-21 | Propeller for FPSO (Floating production storage and offloading), control system of propeller and FPSO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110822620.3A CN113460280A (en) | 2021-07-21 | 2021-07-21 | Propeller for FPSO (Floating production storage and offloading), control system of propeller and FPSO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113460280A true CN113460280A (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110822620.3A Pending CN113460280A (en) | 2021-07-21 | 2021-07-21 | Propeller for FPSO (Floating production storage and offloading), control system of propeller and FPSO |
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| CN (1) | CN113460280A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007131081A (en) * | 2005-11-09 | 2007-05-31 | Nishishiba Electric Co Ltd | Electric propulsion device of vessel |
| CN203864987U (en) * | 2014-04-14 | 2014-10-08 | 重庆新世纪游轮股份有限公司 | Electric propulsion control system for ship |
| CN107922042A (en) * | 2016-02-29 | 2018-04-17 | 新泻原动机株式会社 | Ship propulsion method and marine propulsion |
| CN107922041A (en) * | 2016-02-29 | 2018-04-17 | 新泻原动机株式会社 | The control method and control device of motor |
| CN207663277U (en) * | 2017-09-21 | 2018-07-27 | 中国船舶重工集团公司七五0试验场 | Propeller control device and propeller control system |
| CN109085778A (en) * | 2018-07-31 | 2018-12-25 | 西北工业大学 | A kind of gondola propulsion ship model steerable system and method based on handle control |
| CN109889120A (en) * | 2017-12-06 | 2019-06-14 | 中车株洲电力机车研究所有限公司 | A kind of marine electrical motors braking control system |
| CN111824380A (en) * | 2020-06-24 | 2020-10-27 | 苏州苏净船用机械有限公司 | Full-rotation rudder propeller system and control method adopted by same |
| CN112307688A (en) * | 2020-10-29 | 2021-02-02 | 中国舰船研究设计中心 | System and method for monitoring, managing and optimizing energy efficiency of electric propulsion ship |
-
2021
- 2021-07-21 CN CN202110822620.3A patent/CN113460280A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007131081A (en) * | 2005-11-09 | 2007-05-31 | Nishishiba Electric Co Ltd | Electric propulsion device of vessel |
| CN203864987U (en) * | 2014-04-14 | 2014-10-08 | 重庆新世纪游轮股份有限公司 | Electric propulsion control system for ship |
| CN107922042A (en) * | 2016-02-29 | 2018-04-17 | 新泻原动机株式会社 | Ship propulsion method and marine propulsion |
| CN107922041A (en) * | 2016-02-29 | 2018-04-17 | 新泻原动机株式会社 | The control method and control device of motor |
| CN207663277U (en) * | 2017-09-21 | 2018-07-27 | 中国船舶重工集团公司七五0试验场 | Propeller control device and propeller control system |
| CN109889120A (en) * | 2017-12-06 | 2019-06-14 | 中车株洲电力机车研究所有限公司 | A kind of marine electrical motors braking control system |
| CN109085778A (en) * | 2018-07-31 | 2018-12-25 | 西北工业大学 | A kind of gondola propulsion ship model steerable system and method based on handle control |
| CN111824380A (en) * | 2020-06-24 | 2020-10-27 | 苏州苏净船用机械有限公司 | Full-rotation rudder propeller system and control method adopted by same |
| CN112307688A (en) * | 2020-10-29 | 2021-02-02 | 中国舰船研究设计中心 | System and method for monitoring, managing and optimizing energy efficiency of electric propulsion ship |
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Application publication date: 20211001 |