CN103972975A - Power distribution control device for full-electrical hybrid power ship - Google Patents
Power distribution control device for full-electrical hybrid power ship Download PDFInfo
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- CN103972975A CN103972975A CN201410125379.9A CN201410125379A CN103972975A CN 103972975 A CN103972975 A CN 103972975A CN 201410125379 A CN201410125379 A CN 201410125379A CN 103972975 A CN103972975 A CN 103972975A
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- converter
- rectifier
- power distribution
- controller
- current
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Abstract
The invention discloses a power distribution control device for a full-electrical hybrid power ship. The power distribution control device comprises a rectifier controller, a converter controller and a direct-current bus power distribution device, wherein the rectifier controller is connected with a rectifier and the direct-current bus power distribution device; the converter controller is connected with DC/DC (direct-current/direct-current) converter and the direct-current bus power distribution device; the direct-current bus power distribution device is connected with the rectifier controller, the rectifier, the converter controller, the DC/DC converter and an inverter; and the direct-current bus power distribution device receives direct-current power which is outputted from the rectifier and the DC/DC converter, and outputs the direct-current power to the inverter. By using the power distribution control device, reference voltage control signals are provided for the rectifier controller and the converter controller, so that the current output of the rectifier and the current output of the DC/DC converter are controlled, and the purpose of distributing power by using a simple circuit in the direct-current bus power distribution device is achieved. The power distribution control device is simple in structure and low in energy consumption; and an effect of controlling the power distribution is achieved.
Description
Technical field
The present invention relates to full electric hybrid technical field of ships, specifically, is a kind of full electric hybrid ship power supply power division control device.
Background technology
Along with Global Environmental Problems becomes increasingly conspicuous, energy-saving and emission-reduction more and more become the focus of global concern.The full Electrical Propulsion Ship of diesel generating set still needs to solve the problem of energy-saving and emission-reduction, and pure electric ship exists the not good problem of flying power, so full electric hybrid boats and ships are the previous reasonable transition schemes of order.Chinese patent 201110053681.4 has proposed a kind of structure of full electric hybrid boats and ships, its a part of energy provides electric energy for diesel generating set, and another part electric energy is provided by lithium battery group, this structure can effectively solve the problem of independent use diesel generating set or lithium battery group power supply existence.But this Ship Structure does not arrange the efficient apparatus that two parts power supply is carried out to power division, and the object that power ratio control distributes is in order to allow whole system be operated in optimum efficiency region according to control algolithm, energy consumption and discharge is dropped to minimum.
Summary of the invention
The object of the invention is two parts power supply not to be carried out for existing full electric hybrid boats and ships the problem of power division, a kind of full electric hybrid ship power supply power division control device is provided.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of full electric hybrid ship power supply power division control device, comprising:
Rectifier controller, it connects rectifier and DC bus power distribution unit, and rectifier controller makes the constant direct current of rectifier output voltage, and rectifier controller receives the current signal I that DC bus power distribution unit sends
1;
Converter controller, it connects DC/DC converter and DC bus power distribution unit, and converter controller makes the constant direct current of DC/DC converter output voltage, and converter controller receives the current signal I that DC bus power distribution unit sends
2;
DC bus power distribution unit, it connects rectifier controller, rectifier, converter controller, DC/DC converter and inverter, DC bus power distribution unit receives the direct current of rectifier and the output of DC/DC converter, and exports direct current to inverter.
Further, described DC bus power distribution unit is in a resistance R of the anodal series connection of rectifier output direct current
1, in a resistance R of the anodal series connection of DC/DC converter output direct current
2, resistance R
1and R
2and after connecing, export inverter to, rectifier output direct current negative pole export direct current negative pole with DC/DC converter and connect after export inverter to; DC bus power distribution unit is respectively provided with a current sensor at rectifier and DC/DC converter direct current input positive terminal, for detecting in real time electric current and sending respectively current signal I
1and I
2; Resistance R
1and R
2place is paralleling switch K respectively
1and K
2, in order to short-circuit resistance.
Apparatus of the present invention provide reference voltage control signal to rectifier controller and converter controller, thereby control the electric current output of rectifier and DC/DC converter, then reach the object of power division by the ball bearing made using in DC bus power distribution unit; This apparatus structure is simple, and energy consumption is lower, divides and has mixed good effect at the each power of control.
Brief description of the drawings
Accompanying drawing 1 is the composition diagram of full electric hybrid ship power supply power division control device.
Accompanying drawing 2 is line maps of DC bus power distribution unit.
Accompanying drawing 3 is fundamental diagrams that power distributes control device.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with accompanying drawing, embodiment provided by the invention is elaborated; The present embodiment is implemented under taking technical solution of the present invention as prerequisite, has provided detailed execution mode and process, but protection scope of the present invention is not limited to following embodiment.
Ask for an interview Fig. 1, full electric hybrid ship power supply power division control device comprises: 1. rectifier controller, it connects rectifier and DC bus power distribution unit, rectifier controller makes the constant direct current of rectifier output voltage, and rectifier controller receives the current signal I that DC bus power distribution unit sends
1; 2. converter controller, it connects DC/DC converter and DC bus power distribution unit, and converter controller makes the constant direct current of DC/DC converter output voltage, and converter controller receives the current signal I that DC bus power distribution unit sends
2; 3. DC bus power distribution unit, it connects rectifier controller, rectifier, converter controller, DC/DC converter and inverter, DC bus power distribution unit receives the direct current of rectifier and the output of DC/DC converter, and exports direct current to inverter.
Rectifier connects diesel generating set, and DC/DC converter connects lithium battery, and inverter connects all kinds of loads peculiar to vessel.
Ask for an interview Fig. 2, described DC bus power distribution unit is in a resistance R of the anodal series connection of rectifier output direct current
1, in a resistance R of the anodal series connection of DC/DC converter output direct current
2, resistance R
1and R
2and after connecing, export inverter to, rectifier output direct current negative pole export direct current negative pole with DC/DC converter and connect after export inverter to.DC bus power distribution unit is respectively provided with a current sensor at rectifier and DC/DC converter direct current input positive terminal, for detecting in real time electric current and sending respectively current signal I
1and I
2.Current signal I
1send rectifier controller to, current signal I
2send converter controller to, form closed-loop control.Resistance R
1and R
2place is paralleling switch K respectively
1and K
2, in order to short-circuit resistance, thereby reach the object of selecting control.
The control principle of full electric hybrid ship power supply power division control device:
Because load is real-time change, two necessary real-time matching loads of power source, thus can only control a power source constant output, and another power source is followed load variations and is changed.Use K switch
1and K
2select the power source that will control, as Closing Switch K
1time,
According to above formula, as given rectifier controller reference voltage U
1time, the DC/DC converter output current I controlling by needs
2, just can calculate converter controller needs given reference voltage U
2, can be by DC/DC converter output current I
2be controlled at needed current value, and rectifier controller output current I
1with load I
rchange and change, thereby meet load needs.
As Closing Switch K
2time, with closed K
1time similar, can be by rectifier current output I
1be controlled at needed current value, and circuit control device output current I
2with load I
rchange and change, meet load needs.
And the function of two current sensors is to form FEEDBACK CONTROL, in load variations or the current magnitude that needs the to control stable and response faster of Shi Nengyou that changes.
Please fundamental diagram as shown in Figure 3, that suppose control is DC/DC converter output current, closed K
1, disconnect K
2, given with reference to rectifier voltage U according to boats and ships actual condition
1refand DC/DC converter is with reference to output current I
2ref, current sensor detects and feeds back DC/DC converter actual output current I
2, after a PI controller, convert the reference voltage U of converter controller to
2ref.After the actual output voltage of rectifier control module and converter control module subtracts each other again divided by after resistance value for DC/DC converter actual output current I
2, form feedback loop.And rectifier current output changes with load variations, meet loading demand.Whole system just can realize the power division control to two power sources like this.
Apparatus of the present invention provide reference voltage control signal to rectifier controller and converter controller, thereby control the electric current output of rectifier and DC/DC converter, then reach the object of power division by the ball bearing made using in DC bus power distribution unit.That installs is simple in structure, and energy consumption is lower, divides and has mixed good effect at the each power of control.
More than show and described general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1. a full electric hybrid ship power supply power division control device, is characterized in that, comprising:
Rectifier controller, it connects rectifier and DC bus power distribution unit, and rectifier controller makes the constant direct current of rectifier output voltage, and rectifier controller receives the current signal I that DC bus power distribution unit sends
1;
Converter controller, it connects DC/DC converter and DC bus power distribution unit, and converter controller makes the constant direct current of DC/DC converter output voltage, and converter controller receives the current signal I that DC bus power distribution unit sends
2;
DC bus power distribution unit, it connects rectifier controller, rectifier, converter controller, DC/DC converter and inverter, DC bus power distribution unit receives the direct current of rectifier and the output of DC/DC converter, and exports direct current to inverter.
2. full electric hybrid ship power supply power division control device according to claim 1, is characterized in that, described DC bus power distribution unit is in a resistance R of the anodal series connection of rectifier output direct current
1, in a resistance R of the anodal series connection of DC/DC converter output direct current
2, resistance R
1and R
2and after connecing, export inverter to, rectifier output direct current negative pole export direct current negative pole with DC/DC converter and connect after export inverter to; DC bus power distribution unit is respectively provided with a current sensor at rectifier and DC/DC converter direct current input positive terminal, for detecting in real time electric current and sending respectively current signal I
1and I
2; Resistance R
1and R
2place is paralleling switch K respectively
1and K
2, in order to short-circuit resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125379.9A CN103972975A (en) | 2014-03-28 | 2014-03-28 | Power distribution control device for full-electrical hybrid power ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410125379.9A CN103972975A (en) | 2014-03-28 | 2014-03-28 | Power distribution control device for full-electrical hybrid power ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103972975A true CN103972975A (en) | 2014-08-06 |
Family
ID=51242169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410125379.9A Pending CN103972975A (en) | 2014-03-28 | 2014-03-28 | Power distribution control device for full-electrical hybrid power ship |
Country Status (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120488A (en) * | 2011-03-07 | 2011-07-13 | 上海海事大学 | Electric propulsion system for hybrid power boats and implementation method thereof |
| CN102237707A (en) * | 2010-05-06 | 2011-11-09 | 本田技研工业株式会社 | Output control device for hybrid engine-driven power generator |
| CN103311979A (en) * | 2012-03-15 | 2013-09-18 | 株式会社日立制作所 | Battery system |
| CN103318397A (en) * | 2013-06-21 | 2013-09-25 | 上海海事大学 | Bidirectional DC-DC control method for hybrid power ship |
-
2014
- 2014-03-28 CN CN201410125379.9A patent/CN103972975A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237707A (en) * | 2010-05-06 | 2011-11-09 | 本田技研工业株式会社 | Output control device for hybrid engine-driven power generator |
| CN102120488A (en) * | 2011-03-07 | 2011-07-13 | 上海海事大学 | Electric propulsion system for hybrid power boats and implementation method thereof |
| CN103311979A (en) * | 2012-03-15 | 2013-09-18 | 株式会社日立制作所 | Battery system |
| CN103318397A (en) * | 2013-06-21 | 2013-09-25 | 上海海事大学 | Bidirectional DC-DC control method for hybrid power ship |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140806 |