CN204089244U - A kind of common bus feedback accumulation energy type port machine powering apparatus - Google Patents
A kind of common bus feedback accumulation energy type port machine powering apparatus Download PDFInfo
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- CN204089244U CN204089244U CN201420455440.1U CN201420455440U CN204089244U CN 204089244 U CN204089244 U CN 204089244U CN 201420455440 U CN201420455440 U CN 201420455440U CN 204089244 U CN204089244 U CN 204089244U
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- module
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- diesel engine
- common bus
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Abstract
The utility model discloses a kind of common bus feedback accumulation energy type port machine powering apparatus, comprise diesel engine charging module, the full control three-phase half-bridge AC/DC module that described diesel engine charging module comprises diesel engine unit and is connected with described diesel engine unit; Described full control three-phase half-bridge AC/DC module is connected with multiple three-phase DC/AC half-bridge possibility of reversal flow module, and described multiple three-phase DC/AC half-bridge possibility of reversal flow module is in parallel; Described multiple three-phase DC/AC half-bridge possibility of reversal flow module is that high power load is powered; Described low-power load DC/AC module of powering is directly connected on DC bus.The utility model adopts the little diesel engine unit of 45kW to be energy-storage module charging, be load supplying by lithium battery energy storage battery module again, make noise and exhaust emission decrease more than 90%, avoid and cannot reclaim directly to the noise caused during load supplying, exhaust emission and underlying container potential energy the energy waste caused by the large diesel generating set of 500kW.
Description
Technical field
The utility model relates to electric and electronic technical field, particularly a kind of common bus feedback accumulation energy type port machine powering apparatus.
Background technology
For a long time, the heavy mechanical equipment at harbour adopts jumbo diesel engine unit directly to power, and the problem that the high energy consumption at harbour and high pollution are on the rise more and more is subject to the attention of each harbour country.The technology that oil changes electricity can provide clean electric energy to port machine, stops the running of diesel engine power station, reaches the object of energy-saving and emission-reduction, is the much progress of port, harbour machine for electrical domain.But this scheme when there is transition civil power cannot access, noenergy recovery system or the direct feedback grid of energy cause problems such as the impacts of electrical network.
Summary of the invention
Technical problem to be solved in the utility model is, for above-mentioned the deficiencies in the prior art, provides a kind of common bus feedback accumulation energy type port machine powering apparatus.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of common bus feedback accumulation energy type port machine powering apparatus, comprise diesel engine charging module, the full control three-phase half-bridge AC/DC module that described diesel engine charging module comprises diesel engine unit and is connected with described diesel engine unit; Described full control three-phase half-bridge AC/DC module is connected with multiple three-phase DC/AC half-bridge possibility of reversal flow module by DC bus, and described multiple three-phase DC/AC half-bridge possibility of reversal flow module is in parallel; Described multiple three-phase DC/AC half-bridge possibility of reversal flow module is that high power load is powered; Low-power load DC/AC module of powering is connected on described DC bus by energy-storage module.
Described energy-storage module comprises battery pack, and described battery pack is in series by multiple lithium battery; Described energy-storage module also comprises flat ripple inductance, and described flat ripple inductance is connected with described lithium battery group.
Described full control three-phase half-bridge AC/DC module comprises three brachium pontis in parallel, and described brachium pontis comprises the IGBT of two series connection.
Compared with prior art, the beneficial effect that the utility model has is: the utility model adopts the little diesel engine unit of 45kW to be energy-storage module charging, then is load supplying by energy-storage module, makes noise and exhaust emission decrease more than 90%.。The three-phase DC/AC half-bridge possibility of reversal flow module energy adopted can two-way flow, and can meet the demand of load, and potential energy during underlying weight can be fed back to lithium battery, synthesis energy saving 40%, avoids and impact electrical network.
Accompanying drawing explanation
Fig. 1 is the utility model one embodiment topology diagram.
Embodiment
As shown in Figure 1, the utility model one embodiment comprises 45kW diesel engine charging module, the full control three-phase half-bridge AC/DC module that 45KW diesel engine charging module comprises 45kW diesel engine unit and is connected with 45kW diesel engine unit; Described full control three-phase half-bridge AC/DC module is connected with two three-phase DC/AC half-bridge possibility of reversal flow modules, and this two three-phase DC/AC half-bridge possibility of reversal flow modules parallel connection is afterwards for high power load is powered; Low-power load DC/AC module of powering is directly connected on DC bus by energy-storage module, and low-power load supply module structure is identical with three-phase half-bridge possibility of reversal flow module structure, and include three brachium pontis in parallel, each brachium pontis comprises the IGBT of two series connection.The flat ripple inductance that described energy-storage module comprises battery pack and connects with battery pack, described battery pack is in series by multiple lithium battery.
In the present embodiment, high power load is bridge motor; Low-power load is drive motors.
Full control three-phase half-bridge AC/DC module comprises three brachium pontis in parallel, and described brachium pontis comprises the IGBT of two series connection, can realize reliably charging to the fast and stable of lithium battery group.
High power load power pack and low-power load power pack general DC busbar, and can by motor braking energy feedback to lithium battery, can according to capacity independent assortment.
Diesel engine unit capacity is 45kW, can effective noise reduction function and waste pollution.Full control three-phase half-bridge AC/DC module adopts the IGBT switching device of full control, is different from the AC/DC converter that tradition adopts uncontrollable full-bridge diode, can stable output and the little direct current of harmonic wave, reposefully for energy-storage system charges.The electric pressure of energy-storage module can be determined by the voltage of DC bus, and capacity also can change according to actual conditions, and flat ripple inductance can limit the charging or feedback current of uprushing, protection lithium battery group.
Claims (8)
1. a common bus feedback accumulation energy type port machine powering apparatus, comprises diesel engine charging module, it is characterized in that, the full control three-phase half-bridge AC/DC module that described diesel engine charging module comprises diesel engine unit and is connected with described diesel engine unit; Described full control three-phase half-bridge AC/DC module is connected with multiple three-phase DC/AC half-bridge possibility of reversal flow module by DC bus, and described multiple three-phase DC/AC half-bridge possibility of reversal flow module is in parallel; Described multiple three-phase DC/AC half-bridge possibility of reversal flow module is that high power load is powered; Low-power load DC/AC module of powering is connected on described DC bus by energy-storage module.
2. common bus feedback accumulation energy type port according to claim 1 machine powering apparatus, is characterized in that, described three-phase DC/AC half-bridge possibility of reversal flow module quantity is two.
3. common bus feedback accumulation energy type port according to claim 1 and 2 machine powering apparatus, is characterized in that, described low-power load supply module structure is identical with described three-phase half-bridge possibility of reversal flow module structure.
4. common bus feedback accumulation energy type port according to claim 3 machine powering apparatus, it is characterized in that, described energy-storage module comprises battery pack, and described battery pack is in series by multiple lithium battery.
5. common bus feedback accumulation energy type port according to claim 4 machine powering apparatus, it is characterized in that, described energy-storage module also comprises flat ripple inductance, and described flat ripple inductance is connected with described lithium battery group.
6. common bus feedback accumulation energy type port according to claim 5 machine powering apparatus, it is characterized in that, described high power load is bridge motor.
7. common bus feedback accumulation energy type port according to claim 6 machine powering apparatus, it is characterized in that, described low-power load is drive motors.
8. common bus feedback accumulation energy type port according to claim 7 machine powering apparatus, is characterized in that, described full control three-phase half-bridge AC/DC module comprises three brachium pontis in parallel, and described brachium pontis comprises the IGBT of two series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455440.1U CN204089244U (en) | 2014-08-13 | 2014-08-13 | A kind of common bus feedback accumulation energy type port machine powering apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455440.1U CN204089244U (en) | 2014-08-13 | 2014-08-13 | A kind of common bus feedback accumulation energy type port machine powering apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089244U true CN204089244U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420455440.1U Expired - Fee Related CN204089244U (en) | 2014-08-13 | 2014-08-13 | A kind of common bus feedback accumulation energy type port machine powering apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158249A (en) * | 2014-08-13 | 2014-11-19 | 清华大学 | Common bus feedback energy storage type port machinery power supply device |
| CN111756268A (en) * | 2019-03-27 | 2020-10-09 | 大连新大路电气传动技术有限责任公司 | High-capacity reversible direct-current power supply with rapidly-jumping output voltage |
-
2014
- 2014-08-13 CN CN201420455440.1U patent/CN204089244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158249A (en) * | 2014-08-13 | 2014-11-19 | 清华大学 | Common bus feedback energy storage type port machinery power supply device |
| CN111756268A (en) * | 2019-03-27 | 2020-10-09 | 大连新大路电气传动技术有限责任公司 | High-capacity reversible direct-current power supply with rapidly-jumping output voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 |