CN204046480U - The main promotion diesel engine shaft generator device of a kind of spacing propeller ship - Google Patents
The main promotion diesel engine shaft generator device of a kind of spacing propeller ship Download PDFInfo
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- CN204046480U CN204046480U CN201420362840.8U CN201420362840U CN204046480U CN 204046480 U CN204046480 U CN 204046480U CN 201420362840 U CN201420362840 U CN 201420362840U CN 204046480 U CN204046480 U CN 204046480U
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- diesel engine
- inverter circuit
- engine shaft
- rectifying circuit
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Abstract
The utility model relates to the main promotion diesel engine shaft generator device of a kind of spacing propeller ship, is made up of multistage synchronous generator, boost rectifying circuit, DC bus storage capacitor, inverter circuit, sine wave filter, processor a, processor b; The output of multistage synchronous generator is connected to boost rectifying circuit, and boost rectifying circuit exports and is connected to DC bus storage capacitor, and DC bus storage capacitor is connected with inverter circuit, and inverter circuit is connected to sine wave filter; Described boost rectifying circuit is also connected with processor a, and described inverter circuit is also connected with processor b.The beneficial effects of the utility model, for saving fuel oil, improve shipping transport benefit.Thoroughly solve the shortcoming that ship power load changes with engine speed change, invariablenes turning speed, long service life, usefulness is constant.
Description
Technical field
The utility model belongs to ship shaft band Blast Furnace Top Gas Recovery Turbine Unit (TRT), particularly relates to the main promotion diesel engine shaft generator device of a kind of spacing propeller ship.
Background technology
Along with the explosive growth of modern industry, the whole world is strengthened day by day to the demand of the energy, and the non-renewable energy is exhausted, and energy-saving and cost-reducing is the common theme that present every country faces.Boats and ships shipping rate with in, fuel cost accounts for (50-60) %; Therefore, reasonable energy utilization, reduces fuel consumption, has huge meaning for the economic benefit improving boats and ships.Concerning energy-conservation in Shipping, it comprises the energy-conservation of the energy-conservation of Ship Power Station and boats and ships electric loading, current be energy-conservation for main direction of studying with Ship Power Station.Axle generator is the energy-conservation preferred approach in Ship Power Station.
According to the Promoting Form of boats and ships, axle generator can be divided into displacement starch axle send out with spacing slurry axle send out two kinds of forms.Displacement slurry boats and ships because of engine speed constant, therefore shaft generator is standard configuration, is also common synchronous generator motor.Displacement slurry complicated in mechanical structure, cost is higher, and the ratio accounted in the middle of actual boats and ships is less.Spacing starches the ratio that accounts for more than 95%, but the axle generator of spacing slurry constantly changes due to the requirement of engine speed according to the speed of a ship or plane, the common synchronous generator used can not ensure the voltage of generating and the stable of frequency, therefore solves the key that spacing slurry axle generator constant frequency and constant voltage technology is spacing slurry axle generator.
Utility model content
The utility model provides the main promotion diesel engine shaft generator device of a kind of spacing propeller ship, marine main engine by idling in the excursion of rated speed, for boats and ships provide the supply of electric power meeting Classification of Vessel specification.
For realizing above object, by the following technical solutions: the main promotion diesel engine shaft generator device of a kind of spacing propeller ship, is made up of into multistage synchronous generator, boost rectifying circuit, DC bus storage capacitor, inverter circuit, sine wave filter, processor a, processor b; The output of multistage synchronous generator is connected to boost rectifying circuit, and boost rectifying circuit exports and is connected to DC bus storage capacitor, and DC bus storage capacitor is connected with inverter circuit, and inverter circuit is connected to sine wave filter; Described boost rectifying circuit is also connected with processor a, and described inverter circuit is also connected with processor b.
The described synchronous brushless generator of multistage synchronous generator permanent magnetic multi-stage, number of pole-pairs is minimum is 6 right.
The major loop topological structure of described boost rectifying circuit is 6 pole three-phase boost boost PFCs, and power factor, close to 1, adopts two multiplication of voltage structure space voltage vector algorithms.
Described inverter circuit is voltage-type topological structure, adopts spwm Sine Modulated to drive.
There is in described processor a FPC-DSP1 active rectification algorithm.
There is in described processor b standard spwm space vector Sine Modulated inversion control algorithm.
The free end of marine main engine connects common multistage synchronous generator by spring coupling, multistage synchronous generator sends voltage and all transformable three-phase alternating current of frequency under the driving of marine main engine rotates, the output of multistage synchronous generator is connected to boost rectifying circuit, the three-phase alternating current High Power Factor rectification of the voltage that multistage synchronous generator sends by boost rectifying circuit under the control of processor a and changeable frequency is the stable DC voltage of 600V, the output of three-phase alternating current High Power Factor is connected to DC bus storage capacitor, DC bus storage capacitor by power storage and stable DC busbar voltage for inverter circuit provides stable voltage, inverter circuit converts all controlled three-phase alternating current of frequency and voltage to galvanic current under the control of processor b, this three-phase alternating current is SPWM Sine Modulated, what DC bus storage capacitor exported obtains pure three-phase alternating current for whole boats and ships containing harmonic sine alternating current by sine wave filter filtering carrier wave provides power supply.
The utility model advantage: save fuel oil, improves shipping transport benefit.Thoroughly solve the shortcoming that ship power load changes with engine speed change, invariablenes turning speed, long service life, usefulness is constant.
Accompanying drawing explanation
Fig. 1 is the utility model structure principle chart
Fig. 2 is application structure sketch of the present utility model
As shown in the figure 1, multistage synchronous generator; 2, boost rectifying circuit; 3, DC bus storage capacitor; 4, inverter circuit; 5, sine wave filter; 6, processor a; 7, processor b; 8, output switch apparatus; 9, marine main engine.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described, as shown in Fig. 1-2: the free end of marine main engine (9) connects common multistage synchronous generator (1) by spring coupling, the output of multistage synchronous generator (1) is connected to boost rectifying circuit (2), boost rectifying circuit (2) exports and is connected to DC bus storage capacitor (3), DC bus storage capacitor (3) is connected with inverter circuit (4), inverter circuit (4) is connected to sine wave filter (5), and sine wave filter (5) is connected to output switch apparatus (8); Described boost rectifying circuit (2) also with processor a(6) be connected, described inverter circuit (4) also with processor b(7) be connected.
Multistage synchronous generator (1) adopts permanent magnetic multi-stage synchronous brushless generator, and number of pole-pairs is minimum is 6 right; Boost rectifying circuit (2) major loop topological structure is 6 pole three-phase boost boost PFCs, and power factor, close to 1, adopts two multiplication of voltage structure space voltage vector algorithms; The thin-film capacitor that DC bus storage capacitor (3) adopts, capacity is not less than 4700vf; Inverter circuit (4) adopts voltage-type topological structure, adopts spwm Sine Modulated to drive, has dead area compensation function and active power droop characteristic, also have every cycle fast current limitation function; Processor a(6) there is FPC-DSP1 active rectification algorithm, frequency adaptation scope 30 is to 60hz, and voltage adaptation scope 260 arrives 500V, power factor 0.99; Processor b(7) except there is standard spwm space vector Sine Modulated inversion control algorithm, also there is the acquisition function of electricity, the sagging distribution function of active power, the sagging distribution function of reactive power, automatic frequency adjustment is adjusted and is carried automatic power plant management.
The operating rotational speed range of plain shaft generator is 1350-1560R/MIN, and working speed of the present utility model is 800-2000R/MIN, finds out the non-constant width of engine speed scope of this equipment from this contrast; Plain shaft generator its generating frequency following fluctuation, excursion is 45-52HZ, and the output frequency of this equipment constant be 50HZ, highly stable; Common synchronization shaft generator can not to realize under any rotating speed and car, therefore boats and ships can adopt instant cut-off to change a little when berthing manoeuver needs axle to send out and power with the conversion of other generators, cause load short supply interruption, that blower fan, water pump, robot control system(RCS) etc. produce stopping reset, cause the device damage such as main frame, booster, bring potential safety hazard, the utility model then to can be implemented under any rotating speed of main frame can with other generator automatic parallelings, load transfer plan, automatic parallel off, realizes real uninterrupted power supply; According to the real ship report that installation shaft is sent out, the shaft generator of a 300KW can be boats and ships fuel-economizing 1 ton in every 24 hours, if the hours underway of boats and ships is not less than 200 days=4800 hours in one-year age, by oily 3600 yuan per ton, then the return rate of a year is 720,000, if plain shaft generator service time be 1000 hours, then can economize 150,000.
Claims (6)
1. the main promotion diesel engine shaft generator device of spacing propeller ship, it is characterized in that, by multistage synchronous generator (1), boost rectifying circuit (2), DC bus storage capacitor (3), inverter circuit (4), sine wave filter (5), processor a(6), processor b(7) form; The output of multistage synchronous generator (1) is connected to boost rectifying circuit (2), boost rectifying circuit (2) exports and is connected to DC bus storage capacitor (3), DC bus storage capacitor (3) is connected with inverter circuit (4), and inverter circuit (4) is connected to sine wave filter (5); Described boost rectifying circuit (2) also with processor a(6) be connected, described inverter circuit (4) also with processor b(7) be connected.
2. the main promotion diesel engine shaft generator device of a kind of spacing propeller ship according to claim 1, is characterized in that, described multistage synchronous generator is the synchronous brushless generator of permanent magnetic multi-stage, and number of pole-pairs is minimum is 6 right.
3. the main promotion diesel engine shaft generator device of a kind of spacing propeller ship according to claim 1, it is characterized in that, the major loop topological structure of described boost rectifying circuit is 6 pole three-phase boost boost PFCs, power factor is greater than 0.99, adopts two multiplication of voltage structure space voltage vector algorithms.
4. the main promotion diesel engine shaft generator device of a kind of spacing propeller ship according to claim 1, it is characterized in that, described inverter circuit is voltage-type topological structure, adopts SVPWM Sine Modulated to drive.
5. the main promotion diesel engine shaft generator device of a kind of spacing propeller ship according to claim 1, is characterized in that having FPC-DSP1 active rectification algorithm in described processor a.
6. the main promotion diesel engine shaft generator device of a kind of spacing propeller ship according to claim 1, is characterized in that, has standard SVPWM space vector Sine Modulated inversion control algorithm in described processor b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362840.8U CN204046480U (en) | 2014-07-03 | 2014-07-03 | The main promotion diesel engine shaft generator device of a kind of spacing propeller ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362840.8U CN204046480U (en) | 2014-07-03 | 2014-07-03 | The main promotion diesel engine shaft generator device of a kind of spacing propeller ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046480U true CN204046480U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362840.8U Expired - Fee Related CN204046480U (en) | 2014-07-03 | 2014-07-03 | The main promotion diesel engine shaft generator device of a kind of spacing propeller ship |
Country Status (1)
| Country | Link |
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| CN (1) | CN204046480U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092420A (en) * | 2014-07-03 | 2014-10-08 | 大连威嘉船舶配件有限公司 | Fixed pitch propeller axle generator device for main propulsion diesel engine of ship |
| CN105634371A (en) * | 2016-03-30 | 2016-06-01 | 中车永济电机有限公司 | Multi-phase converter for cutter-suction dredger |
| CN107745793A (en) * | 2017-10-31 | 2018-03-02 | 中国舰船研究设计中心 | A kind of ship axle hung type electric propulsion system and method |
-
2014
- 2014-07-03 CN CN201420362840.8U patent/CN204046480U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092420A (en) * | 2014-07-03 | 2014-10-08 | 大连威嘉船舶配件有限公司 | Fixed pitch propeller axle generator device for main propulsion diesel engine of ship |
| CN105634371A (en) * | 2016-03-30 | 2016-06-01 | 中车永济电机有限公司 | Multi-phase converter for cutter-suction dredger |
| CN107745793A (en) * | 2017-10-31 | 2018-03-02 | 中国舰船研究设计中心 | A kind of ship axle hung type electric propulsion system and method |
| CN107745793B (en) * | 2017-10-31 | 2019-04-26 | 中国舰船研究设计中心 | A kind of ship axle hung type electric propulsion system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160214 Address after: 116316, Dalian, Liaoning province Wafangdian City City three Manchu Township empress palace Village Patentee after: 00Dalian Jialin Shipbuilding Industry Co., Ltd. Address before: Dalian Bay Maoyingzi village in Ganjingzi District of Dalian City, Liaoning province 116031 Patentee before: Dalian Weijia Shipping Fittings Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20210703 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |