CN206826900U - The electric propulsion system of energy-saving and emission-reduction - Google Patents
The electric propulsion system of energy-saving and emission-reduction Download PDFInfo
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- CN206826900U CN206826900U CN201720641350.5U CN201720641350U CN206826900U CN 206826900 U CN206826900 U CN 206826900U CN 201720641350 U CN201720641350 U CN 201720641350U CN 206826900 U CN206826900 U CN 206826900U
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Abstract
The utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, including, at least one set of generating set, panel, at least one rectifier and the one-to-one inverter of rectifier and the one-to-one propulsion electric machine of inverter, charger and battery；Generating set is connected with panel；Rectifier is connected with panel；Inverter is connected with rectifier；Propulsion electric machine is connected with inverter；Charger is connected with panel；Battery one end is connected with charger, and tie point of the other end respectively with each rectifier and inverter is connected.It the advantage is that and charged automatically for battery when generating set underload, to ensure that operation generating set just operates in high efficient district；When ship needs to be turned around in harbour or operation, turns, short distance traveling etc. acts by a small margin, powered using power accumulator, without starting-generating unit, realize zero-emission and fuel consumption, accomplish real energy-saving and emission-reduction.
Description
Technical field
It the utility model is related to a kind of electric propulsion system of energy-saving and emission-reduction.
Background technology
The reason for why more and more extensive application of Electrical Propulsion Ship is, and one of them is important is energy-saving and emission-reduction.It is saved
One of the reason for energy emission reduction is the generating set number of units that electric propulsion system can determine operation according to load, and is protected as far as possible
Demonstrate,prove each generating set and operate in high efficient district (being typically the 80% of rated output of generating set), done so that fuel oil fully burns
Work(, while reach the purpose for reducing discharge.But the operating condition of ship causes generating set is difficult can under many circumstances
80% high efficient district when really operating in design, this energy-saving and emission-reduction for allowing for design are had a greatly reduced quality in actual motion.
- straight-friendship that the form overwhelming majority of electric propulsion system is to hand at present, i.e., first by some diesel generating sets hairs
The industrial-frequency alternating current gone out is rectified into direct current, then then DC inverter is resupplied and pushed away into frequency, the adjustable alternating current of voltage
Enter motor, so as to drive propeller rotational.Generating set sends industrial-frequency alternating current, and forms power station with main distribution board, passes through
To inverter supply, the alternating current that frequency converter becomes industrial-frequency alternating current the equal continuously adjustable of voltage, frequency supplies main distribution board
Propulsion electric machine.
Frequency converter is made up of rectifier and inverter.The industrial-frequency alternating current that rectifier is responsible for sending generating set becomes straight
Stream electricity, and inverter by DC inverter into the adjustable alternating current of electric voltage frequency.Usual equipment manufacturer can by rectification and
Inversion two parts do the formation complete supply of material of frequency converter together.
The major defect of above scheme has two：1st, it cannot be guaranteed that generating set is always operate in optimal operating condition, i.e.,
The operating mode that fuel consumption is minimum, discharge is minimum, the purpose of energy-saving and emission-reduction is not reached；2nd, operation by a small margin is carried out in ship to transfer
When, it is necessary to diesel generating set is started, wastes the energy, and exhaust emission is all larger.
Utility model content
A kind of electric propulsion system of energy-saving and emission-reduction of offer of the present utility model, sets up battery, when generating set is born
Charged automatically for battery during lotus deficiency, to ensure that operation generating set just operates in high efficient district；When ship in harbour or
Need to be turned around in operation, turn, when short distance traveling etc. acts by a small margin, being powered using power accumulator, without rising
Dynamic generating set, realizes zero-emission and fuel consumption, accomplishes real energy-saving and emission-reduction；Overcome existing technological deficiency, solve
Above-mentioned technical problem.
The utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, including, at least one set of generating set, distribution
Plate, at least one rectifier and the one-to-one inverter of rectifier and the one-to-one propulsion electric machine of inverter, charger
And battery；Generating set is connected with panel；Rectifier is connected with panel；Inverter is connected with rectifier；Propulsion electric machine
It is connected with inverter；Charger is connected with panel；Battery one end is connected with charger, the other end respectively with each rectifier
It is connected with the tie point of inverter.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Charger is connected by charge switch with panel.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Panel has panel switches.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Generating set is connected by power switch with panel.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Rectifier is connected by driving switch with panel.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
When the load of generating set is less than charge power, charger charges to battery.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Charge power is the 80% of rated output of generating set.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Panel has power management module, and charger is connected by communication cable with power management module；Charger is from power management
Module obtains charge power.
Further, the utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, can also have the feature that：
Propulsion electric machine driving propeller operation.
The effect of utility model and effect
The utility model provides a kind of electric propulsion system of energy-saving and emission-reduction, generating set is run on rated power always
Setting value or so, ensure the fuel economy of diesel engine preferably and discharge be minimum；By the use of battery as supplement power source, accomplish
Zero-emission, no pollution；The regions such as the harbour high to emission request or turn around, turn, short distance traveling when etc. small load condition
Energy is provided with battery to be promoted；Most operating modes can ensure that generating set is in optimal operating condition, be really achieved energy-conservation
Emission reduction；When ship is run by a small margin, without starting diesel generating set, provided using power accumulator for propulsion system
Electric energy, reach real pollution-free, zero-emission.
Brief description of the drawings
Fig. 1 is the circuit diagram of the electric propulsion system of energy-saving and emission-reduction.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the circuit diagram of the electric propulsion system of energy-saving and emission-reduction.
As shown in figure 1, the electric propulsion system of energy-saving and emission-reduction：Including two groups of diesel generating set G1 and G2, panels
10th, two 20, two, rectifier inverters 30, two propulsion electric machine M1 and M2, propeller 40, charger 50 and battery 60.
In the present embodiment, by taking two groups of diesel generating sets G1 and G2 as an example, some groups of generating sets can be actually configured as needed.Together
Sample, the propulsion assembly that rectifier, inverter, propulsion electric machine and propeller form is also exemplified by two groups.
Two groups of diesel generating sets G1 and G2 are responsible for sending the industrial-frequency alternating current of voltage constant, pass through power switch 1 respectively
It is connected with 2 with panel 10.
Panel has panel switches 11 and power management module PMS.Panel switches 11 can connect two groups of diesel generations
Unit G1 and G2.Power management module PMS forms public power station peculiar to vessel with diesel generating set G1, G2.Power management module PMS
The electric energy of each group generating set is received, and provides power to propulsion assembly and other electrical equipments.PMS is responsible for generating set
Starting, stopping, power distribution etc..
Rectifier 20, inverter 30, propulsion electric machine and propeller 40 correspond.Two rectifiers 20 are opened by driving respectively
Close 21 with panel 10 to be connected, the industrial-frequency alternating current that public power station provides is become into direct current, and be supplied to inverter 30.Inversion
Device 30 is connected with rectifier 20, the alternating current by DC inverter into the equal continuously adjustable of electric voltage frequency, supplies and controls propulsion
Motor M1, M2 are run.Propulsion electric machine M1, M2 are connected with inverter 30, and propeller 40 is connected with propulsion electric machine M1, M2.Promote electricity
Machine M1, M2 drag propeller 40 under the control of inverter 30 and rotated.
Charger 50 is connected by charge switch 51 with panel 10.The negative pole of battery 60 is connected with charger 50, just
Tie point of the pole respectively with each rectifier 20 and inverter 30 is connected.Charger 50 also passes through communication cable and panel 10
Power management module PMS is communicated.
The operation principle of the electric propulsion system of energy-saving and emission-reduction：
Charge switch 51 can select manual operation to be closed according to the situation of genset load, so as to
Realize that charger 50 charges to battery 60.
Charged according to the situation of genset load, charge power can be set.Charge power can be set as sending out
The 80% of the load rated power of group of motors.
If the rate of load condensate of generating set is close or equal to the 80% of rated power, charger 50 is out of service, not to storing
Battery 60 is charged.If running the rate of load condensate of generating set compared with 80% less than rated power, deviate Economic moving region compared with
More, charger 50 will start charge mode, be charged for battery 60.
Battery 60 is in ship low-power demand, in the case where not starting main generator group, is carried for inverter 30
For electrical source of power, so that vessel motion.
Claims (9)
- A kind of 1. electric propulsion system of energy-saving and emission-reduction, it is characterised in that：Including, at least one set of generating set, panel, at least One rectifier and the one-to-one inverter of the rectifier and the one-to-one propulsion electric machine of the inverter, charger And battery；Wherein, the generating set is connected with the panel；The rectifier is connected with the panel；The inverter with The rectifier is connected；The propulsion electric machine is connected with the inverter；The charger is connected with the panel；Described battery one end is connected with the charger, the other end respectively with respectively The individual rectifier is connected with the tie point of the inverter.
- 2. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, the charger is connected by charge switch with the panel.
- 3. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, the panel has panel switches.
- 4. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, the generating set is connected by power switch with the panel.
- 5. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, the rectifier is connected by driving switch with the panel.
- 6. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, when the load of the generating set is less than charge power, the charger charges to the battery.
- 7. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 6, it is characterised in that：Wherein, the charge power is the 80% of the rated output of generating set.
- 8. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 6, it is characterised in that：Wherein, the panel has power management module, and the charger passes through communication cable and the power management module It is connected；The charger obtains the charge power from the power management module.
- 9. the electric propulsion system of energy-saving and emission-reduction as claimed in claim 1, it is characterised in that：Wherein, the propulsion electric machine driving propeller operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641350.5U CN206826900U (en) | 2017-06-05 | 2017-06-05 | The electric propulsion system of energy-saving and emission-reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641350.5U CN206826900U (en) | 2017-06-05 | 2017-06-05 | The electric propulsion system of energy-saving and emission-reduction |
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| Publication Number | Publication Date |
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| CN206826900U true CN206826900U (en) | 2018-01-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217190A (en) * | 2019-07-10 | 2021-01-12 | 株洲中车时代电气股份有限公司 | Hybrid power system for ship and control method thereof |
| JP7526219B2 (en) | 2022-03-24 | 2024-07-31 | 向島ドック 株式会社 | Battery-powered electric propulsion ship system |
-
2017
- 2017-06-05 CN CN201720641350.5U patent/CN206826900U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112217190A (en) * | 2019-07-10 | 2021-01-12 | 株洲中车时代电气股份有限公司 | Hybrid power system for ship and control method thereof |
| JP7526219B2 (en) | 2022-03-24 | 2024-07-31 | 向島ドック 株式会社 | Battery-powered electric propulsion ship system |
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