CN101825019A - Control method of complete-combustion combined power plant parallel operation for ships - Google Patents
Control method of complete-combustion combined power plant parallel operation for ships Download PDFInfo
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- CN101825019A CN101825019A CN201010153595A CN201010153595A CN101825019A CN 101825019 A CN101825019 A CN 101825019A CN 201010153595 A CN201010153595 A CN 201010153595A CN 201010153595 A CN201010153595 A CN 201010153595A CN 101825019 A CN101825019 A CN 101825019A
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Abstract
The invention aims to provide a control method of complete-combustion combined power plant parallel operation for ships, comprising the following steps of: (1) initializing and resetting the set bit zone of a touch screen; (2) judging whether the set bit zone of the touch screen is 1 or not; if the set bit zone of the touch screen is 1, entering a parameter configuration flow to complete parameter configuration and then entering a running status monitoring flow to sample the running status parameters of a gas turbine; if the set bit zone of the touch screen is not 1, directly entering the running status monitoring flow to sample the running status parameters of the gas turbine; (3) entering a control flow to complete the control on the parallel operation and the splitting operation of the gas turbine; and (4) repeating the steps of (1)-(3) and entering next cycle. The invention has good generality and strong expansibility, is not only suitable for parallel operation of double gas turbines but also can be used for carrying out a multi-machine parallel operation mode.
Description
Technical field
What the present invention relates to is a kind of autocontrol method, is applied to the autocontrol method in Ship Power Equipment field specifically.
Background technique
Combined power plants peculiar to vessel are meant and adopt the common power plant of forming of two prime mover, when below the low speed operating mode, navigating by water, work independently by a prime mover, and during until full load condition, work independently or two prime mover co-operation by other prime mover at the high speed of a ship or plane.The bavin bavin combined power plants that combined diesel and gas turbine power plant that the combined gas turbine and gas turbine power plant that the combined power plants principal mode is made up of gas turbine and gas turbine, gas turbine and diesel engine are formed and diesel engine and diesel engine are formed etc.Wherein, combined gas turbine and gas turbine power plant adopts the combustion turbine combined propelling of same model, and advantage such as have that type is single, management and maintenance and staff training are convenient is the developing direction of large and medium-sized Ship Power Equipment.The subject matter that combined gas turbine and gas turbine power plant exists is to satisfy the naval vessel highest speed to require the heavy duty gas turbine of needs less economical when low operating mode is cruised operation.For improving gas turbine cruising condition Economy, can adopt auxiliary plans such as power cross transmission, twin shaft propelling, cross-over connection gear transmission or electric propulsion.But no matter which kind of auxiliary plan all relates to the switching of two-shipper and car operation and Control System of Load Distribution problem, single two-shipper operating mode and changes back two problems such as gas turbine rotary speed Stability Control.
At present, both at home and abroad at the research of combined power plants and vehicle control focus mostly on Chai-Chai or combined diesel and gas turbine power plant, and less about the research of combined gas turbine and gas turbine power plant and vehicle control.Publication number provides a kind of pair of gas turbine and method for controlling joint operating for the Chinese patent of CN101392688, the technical characteristics of this patent be adopt two programmable controller collections combustion machine rotating speeds and and the torque signal of mechanism of car, after calculating, realize the control of fuel delivery by fuel-control assembly, thereby realize the automatic control of combustion machine output shaft torque.This patent of invention is specially at helicopter, and is applicable to the unit not gas turbine and the mechanism of car of Configuration Control Unit.
Summary of the invention
The object of the present invention is to provide the controlling method of a kind of combined gas turbine and gas turbine power plant peculiar to vessel and car, can realize the also control functions such as car, off-the-line, load transfer, load distribution of combined gas turbine and gas turbine power plant.
The object of the present invention is achieved like this:
The controlling method of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car may further comprise the steps:
(1) initialization, touch screen are provided with the flag bit zero clearing;
(2) judge whether touch screen is provided with flag bit is 1, is 1 if touch screen is provided with flag bit, then enters the parameter configuration flow process, finishes parameter configuration, enters running status monitoring flow then, carries out the sampling of running state of gas turbine parameter; If it is not 1 that touch screen is provided with flag bit, then directly enters running status monitoring flow, carry out the sampling of running state of gas turbine parameter;
(3) enter control flow, finish the operation of also car and the off-the-line operation control of gas turbine;
(4) repeating step (1)～(3), enter next circulation.
The controlling method of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car also comprises:
1, described status monitoring flow process comprises
(1) rotating speed, torque sensor acquisition vessel combined gas turbine and gas turbine power plant rotating speed, the torque signal by being installed in combined gas turbine and gas turbine power plant peculiar to vessel;
(2) judge whether the sampling flag bit is 1, if the sampling flag bit is not 1, then obtain rotating speed, the torque signal of combined gas turbine and gas turbine power plant again by the CAN bus, carry out the judgement of communication symbol position afterwards, if the communication symbol position is not 1, return step (1),, then signals such as the rotating speed of the combined gas turbine and gas turbine power plant that obtains, moment of torsion are stored if the communication symbol position is 1; If the sampling flag bit is 1, then directly carry out the storage of the signal that step (1) obtained;
(3) sampling flag bit and the zero clearing of communication symbol position.
2, the step of described control flow is for judging the clutches engaged state, if two machine clutches engaged, judge that current is also car operation, judge load command afterwards, the reference value of load command is 105%, if load command, then enters the off-the-line operation less than reference value 105%, if load command is greater than reference value 105%, then control flow finishes; If two clutches do not mesh, judging current is unit operation, and then judges load command, if load command is greater than reference value 105%, then start an other unit, enter and car operation, if load command less than reference value 105%, then control flow finishes.
3, described parameter configuration flow process comprises the following steps:
(1) Control Parameter of curing controlling method main flow;
(2) judge that keyboard triggers flag bit, if it is 1 that keyboard triggers flag bit, then adjust the size of load command reference value, if the load command reference value is 105%, then adjusting the load command reference value is 90%, if the load command reference value is 90%, then adjusting and being responsible for the instruction reference value is 105%, and touch screen shows rotating speed, the torque curve of combined gas turbine and gas turbine power plant peculiar to vessel afterwards; If it is not 1 that keyboard triggers flag bit, touch screen directly shows rotating speed, the torque curve of combined gas turbine and gas turbine power plant peculiar to vessel;
(3) keyboard triggers the flag bit zero clearing.
Advantage of the present invention is: the present invention has advantages such as versatility is good, expansion is strong, not only be fit to the operation of gas turbine two-shipper and car, and can be fit to the also car operating mode of multimachine by this judgment basis setting of clutches engaged state control flow in the controlling method.
Description of drawings
Fig. 1 is the controlling method main flow chart of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car;
Fig. 2 is the controlling method parameter configuration flow chart of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car;
Fig. 3 is the controlling method status monitoring flow chart of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car;
Fig. 4 is the controlling method control flow chart of combined gas turbine and gas turbine power plant peculiar to vessel of the present invention and car.
Embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1～4, the controlling method of combined gas turbine and gas turbine power plant peculiar to vessel and car is made up of main flow, parameter configuration flow process, status monitoring flow process and control flow four parts.And the car controlling method realizes also car, off-the-line, load transfer and the load distribution of combined gas turbine and gas turbine power plant by changing the target setting of every gas turbine from body controller.
Realize the main flow of controlling method, finish and vehicle controller setting, unit operation parameter monitoring and running state control function.Its feature comprises the following steps:
System initialization; Judge that touch screen is provided with flag bit, if it is 1 that touch screen is provided with flag bit, enter the parameter configuration flow process, finish the demonstration of touch screen, operation indication and the function that touch screen control command, supervisory keyboard control command are imported, after finishing, enter running status monitoring flow; If it is not 1 that touch screen is provided with flag bit, enter running status monitoring flow, finish the sampling of running state of gas turbine parameter; Enter control flow, finish the computing of gas turbine startup and control functions such as car, off-the-line, load distribution and transfer; Enter next circulation.
Control method of the present invention has following characteristics:
(1) the parameter configuration flow process of realization control method is finished the demonstration of touch-screen, operation indication and the function that touch-screen control instruction, supervisory keyboard control instruction are imported. Its feature comprises the following steps:
Enter flow process; Keep the scene intact, the control parameter of current Combine control method main flow is solidified; Judging that keyboard triggers flag bit, is 1 if keyboard triggers flag bit, enters keyboard and processes, finish processing after, keyboard triggers the flag bit zero clearing, enters the LCD display module; If it is not 1 that keyboard triggers sign, enter the LCD display module; After finishing the LCD demonstration, touch-screen arranges the flag bit zero clearing, returns main flow.
(2) the status monitoring flow process of realization control method is finished the sampling of running state of gas turbine parameter. By the judgement of sampling flag bit and communication symbol position, determine that the input data are physical signalling input or network signal input, and carry out corresponding data and process. Its feature comprises the following steps:
Signals collecting; Judge whether the sampling flag bit is 1, if the sampling flag bit is 1, enter sampled-data processing, after data were handled, main flow was returned in the flag bit zero clearing;
If the sampling flag bit is not 1, the entry communication module; After communication module is finished, judge that whether the communication symbol position is 1, if the communication symbol position is 1, enters network data processing; After data were handled, main flow was returned in the flag bit zero clearing;
If the communication symbol position is not 1 then turns back to signals collecting.
(3) realize the control flow of control method, judge current running status according to clutch state, with load command after computing, control separate unit gas turbine from body controller, realize that gas turbine starts and car, off-the-line, sharing of load and transfer. Its feature comprises the following steps:
Enter flow process, judge two-shipper clutch engagement; If engagement judges that present mode of operation is and the car operational mode; Judge load command, if load command, enters the off-the-line operation less than 105%, after finishing, return main flow;
If load command greater than 105%, is directly returned main flow;
If the two-shipper clutch does not mesh, judge that present mode of operation is the unit operation pattern; Judge current operating unit; If load command, starts an other unit greater than 105%, enter and the car operation, after finishing, return main flow;
If load command less than 105%, is returned main flow.
Control method of the present invention also has following feature:
1, described control method is applicable to the adjustable combined gas turbine and gas turbine power plant of gas turbine unit controller setting rotating speed.
2, described control method is to determine the operational mode of combined gas turbine and gas turbine power plant by load command.
3, described control method has been worked out control strategy for different operational modes, and output control parameter is the target setting of gas turbine unit controller.
4, described control method provides central station of floating dock remote control and the other manual two kinds of control modes of machine.
Claims (4)
1. the controlling method of combined gas turbine and gas turbine power plant peculiar to vessel and car is characterized in that:
(1) initialization, touch screen are provided with the flag bit zero clearing;
(2) judge whether touch screen is provided with flag bit is 1, is 1 if touch screen is provided with flag bit, then enters the parameter configuration flow process, finishes parameter configuration, enters running status monitoring flow then, carries out the sampling of running state of gas turbine parameter; If it is not 1 that touch screen is provided with flag bit, then directly enters running status monitoring flow, carry out the sampling of running state of gas turbine parameter;
(3) enter control flow, finish the operation of also car and the off-the-line operation control of gas turbine;
(4) repeating step (1)～(3), enter next circulation.
2. the controlling method of combined gas turbine and gas turbine power plant peculiar to vessel according to claim 1 and car is characterized in that: described status monitoring flow process comprises
(1) rotating speed, torque sensor acquisition vessel combined gas turbine and gas turbine power plant rotating speed, the torque signal by being installed in combined gas turbine and gas turbine power plant peculiar to vessel;
(2) judge whether the sampling flag bit is 1, if the sampling flag bit is not 1, then obtain rotating speed, the torque signal of combined gas turbine and gas turbine power plant again by the CAN bus, carry out the judgement of communication symbol position afterwards, if the communication symbol position is not 1, return step (1),, then signals such as the rotating speed of the combined gas turbine and gas turbine power plant that obtains, moment of torsion are stored if the communication symbol position is 1; If the sampling flag bit is 1, then directly carry out the storage of the signal that step (1) obtained;
(3) sampling flag bit and the zero clearing of communication symbol position.
3. the controlling method of combined gas turbine and gas turbine power plant peculiar to vessel according to claim 1 and 2 and car, it is characterized in that: the step of described control flow is for judging the clutches engaged state, if two machine clutches engaged, judging current is also car operation, judges load command afterwards, and the reference value of load command is 105%, if load command is less than reference value 105%, then enter off-the-line operation, if load command greater than reference value 105%, then control flow finishes; If two clutches do not mesh, judging current is unit operation, and then judges load command, if load command is greater than reference value 105%, then start an other unit, enter and car operation, if load command less than reference value 105%, then control flow finishes.
4. the controlling method of combined gas turbine and gas turbine power plant peculiar to vessel according to claim 1 and 2 and car is characterized in that: described parameter configuration flow process comprises the following steps:
(1) Control Parameter of curing controlling method main flow;
(2) judge that keyboard triggers flag bit, if it is 1 that keyboard triggers flag bit, then adjust the size of load command reference value, if the load command reference value is 105%, then adjusting the load command reference value is 90%, if the load command reference value is 90%, then adjusting and being responsible for the instruction reference value is 105%, and touch screen shows rotating speed, the torque curve of combined gas turbine and gas turbine power plant peculiar to vessel afterwards; If it is not 1 that keyboard triggers flag bit, touch screen directly shows rotating speed, the torque curve of combined gas turbine and gas turbine power plant peculiar to vessel;
(3) keyboard triggers the flag bit zero clearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010153595A CN101825019A (en) | 2010-04-23 | 2010-04-23 | Control method of complete-combustion combined power plant parallel operation for ships |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010153595A CN101825019A (en) | 2010-04-23 | 2010-04-23 | Control method of complete-combustion combined power plant parallel operation for ships |
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| CN101825019A true CN101825019A (en) | 2010-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118034A (en) * | 2011-01-13 | 2011-07-06 | 哈尔滨工程大学 | Method for stabilizing power system of marine gas turbine generator set |
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2010
- 2010-04-23 CN CN201010153595A patent/CN101825019A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102118034A (en) * | 2011-01-13 | 2011-07-06 | 哈尔滨工程大学 | Method for stabilizing power system of marine gas turbine generator set |
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Application publication date: 20100908 |