CN204465349U - A kind of shore electric power system - Google Patents
A kind of shore electric power system Download PDFInfo
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- CN204465349U CN204465349U CN201520236843.1U CN201520236843U CN204465349U CN 204465349 U CN204465349 U CN 204465349U CN 201520236843 U CN201520236843 U CN 201520236843U CN 204465349 U CN204465349 U CN 204465349U
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Abstract
The utility model discloses a kind of shore electric power system, for the ship power supply for stopping, shore electric power system comprise be connected with city's net service cable circuitry phase frequency-converting power supply, be connected with frequency-converting power supply circuitry phase for the power-on box controlling frequency-converting power supply power supply state, the terminal box for powering to boats and ships that is connected with frequency-converting power supply circuitry phase.Frequency-converting power supply, is made up of reactor, filter and core unsteady flow module, for being exported according to after the demand variable voltage variable frequency of boats and ships by input power.A kind of shore electric power system of the utility model, the power supply provided by city's net service cable by frequency-converting power supply is exported according to the demand variable-frequency variable-voltage of boats and ships, and this shore electric power system configuration is simple, and safe and reliable, maintenance cost is low.
Description
Technical field
the utility model relates to a kind of shore electric power system.
Background technology
at present, the production scale at China harbour increases fast, the also corresponding increase of harbour production energy resource consumption and pollutant emission scale.China's boats and ships that reach port utilize subsidiary engine to generate electricity, to meet the electricity needs such as refrigeration, air-conditioning, heating, communication, illumination on ship usually.But marine auxiliary is fuel electric generator, in the process of fuel consumption, the air pollutants such as nitrogen oxide, oxysulfide can be given off, affect harbour and place The Surroundings in Cities quality.
adopt the mode of land power supply to the ship power supply that reaches port to be called " bank power technology ", when boats and ships pool goes to dock, stop the running of boat diesel engine power station, boats and ships electricity consumption is changed and is provided by shore electric power, reduce to reach the discharge capacity that port district pollutes waste gas.China harbour bank electricity electrical network or boats and ships normal voltage and frequency are 380V/50Hz, and the external boats and ships normal voltage of major part and frequency are the power supply of 440V/60Hz, so need development to be applicable to the bank power technology of China's electricity system, the 50Hz convert alternating current of China's harbour distribution network is become to be suitable for 440V/60Hz or the 380V/50Hz alternating current of ship power supply.At present, how to provide reliable and stable harbour shore electric power system to be the significant technology issues supplying electrical domain always.
Summary of the invention
the purpose of this utility model be to provide a kind of can to the shore electric power system of ship power supply of multiple electricity system.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of shore electric power system, for the ship power supply for stopping, described shore electric power system comprise be connected with city's net service cable circuitry phase frequency-converting power supply, be connected with described frequency-converting power supply circuitry phase for the power-on box controlling described frequency-converting power supply power supply state, the terminal box for powering to boats and ships that is connected with described frequency-converting power supply circuitry phase;
described frequency-converting power supply, is made up of reactor, filter and core unsteady flow module, for being exported according to after the demand variable voltage variable frequency of boats and ships by input power.
preferably, described core unsteady flow module is made up of rectifier boost module, DC capacitor module, inversion module and control module.
more preferably, described control module comprises for the signal condition unit of Gather and input current and voltage of power supply signal, the control unit be connected with described signal condition unit circuitry phase, the first driver element, second driver element of the output voltage for controlling described inversion module that is connected with described control unit circuitry phase of the direct voltage for controlling described rectifier boost module that are connected with described control unit circuitry phase.
preferably, described core unsteady flow module, is connected, for exporting the power supply between 380V to 480V with city's net service cable circuitry phase of 380V/50Hz.
more preferably, described core unsteady flow module, for exporting the power supply of 380V/50Hz and 440V/60Hz.
preferably, described power-on box comprise to buy electricity for swiping the card ammeter of swiping the card, for checking the touch display screen of described frequency-converting power supply power supply state, described touch display screen, also for selecting power transmission parameter, carrying out power transmission, closing electricity operation.
preferably, gap distribution between described frequency-converting power supply and described power-on box casing.
preferably, described frequency-converting power supply also comprises heat abstractor, and described heat abstractor comprises for the aircondition for described core unsteady flow module heat dissipating, for the air blast cooling device for described reactor heat radiation.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: a kind of shore electric power system of the utility model, the power supply provided by city's net service cable by frequency-converting power supply is exported according to the demand variable-frequency variable-voltage of boats and ships, this shore electric power system configuration is simple, safe and reliable, maintenance cost is low.
Accompanying drawing explanation
accompanying drawing 1 is the principle schematic of shore electric power system;
accompanying drawing 2 is the structural representation of shore electric power system;
accompanying drawing 3 is the operation principle schematic diagram of core unsteady flow module.
wherein: 1, frequency-converting power supply; 2, power-on box; 3, terminal box; 4, core unsteady flow module; 41, rectifier boost module; 42, DC capacitor module; 43, inversion module; 44, signal condition unit; 45, control unit; 46, the first driver element; 47, the second driver element.
Embodiment
below in conjunction with accompanying drawing, the technical solution of the utility model is further elaborated.
shown in Fig. 1-3, above-mentioned a kind of shore electric power system, for the ship power supply for stopping.This shore electric power system comprise be connected with city's net service cable circuitry phase frequency-converting power supply 1, be connected with this frequency-converting power supply 1 circuitry phase for the power-on box 2 controlling frequency-converting power supply 1 power supply state, the terminal box 3 for powering to boats and ships that is connected with this frequency-converting power supply 1 circuitry phase.
above-mentioned frequency-converting power supply 1, is made up of reactor, filter and core unsteady flow module 4; For input power is exported according to after the demand variable voltage variable frequency of boats and ships.By arranging this filter, can suppress and absorb the harmonic wave that frequency conversion loop produces, improving the quality of power supply of out-put supply.This frequency-converting power supply 1 has diagnostic function and defencive function.Diagnostic function comprises real-time checkout and diagnosis in startup self-detection, operation.Defencive function comprises line voltage abnormal protection, exports open-phase protection, lightning protection, the protection of direct current overvoltage/undervoltage, short-circuit protection, overcurrent protection etc.
above-mentioned core unsteady flow module 4 is made up of rectifier boost module 41, DC capacitor module 42, inversion module 43 and control module.In the present embodiment, this control module comprises for the signal condition unit 44 of Gather and input current and voltage of power supply signal, the control unit 45 be connected with this signal condition unit 44 circuitry phase, the first driver element 46, second driver element 47 of the output voltage for controlling inversion module 43 that is connected with control unit 45 circuitry phase of the direct voltage for controlling rectifier boost module 41 that are connected with this control unit 45 circuitry phase.First driver element 46 and the second driver element 47 are IGBT drive plate.Control unit 45 obtains the relevant parameter such as sampled voltage, electric current by signal condition unit 44, rectifier boost module 41 is controlled by the first driver element 46, make it maintain the stable of direct voltage, control by the second driver element 47 out-put supply that inversion module 43 inversion goes out needs.
in the present embodiment, this core unsteady flow module 4, is connected with city's net service cable circuitry phase of 380V/50Hz.This frequency-converting power supply 1 adopts two level topologies, automatically judging phase order technology; There is output voltage adjustable function, adjustment can be set in 380V to 480V scope, when power output end brownout, enter power supply by regulation voltage, ensure ship equipment safety.
the 380V/50Hz power supply of this frequency-converting power supply exportable city electrical cables direct-furnish, the 380V/50Hz power supply of frequency-converting power supply supply and 440V/60Hz power supply.Wherein, the 380V/50Hz power supply of city's electrical cables direct-furnish transmits through long-distance cable, and the 380V power supply of output has certain pressure drop, can for domestic small-power boats and ships.380V/50Hz and the 440V/60Hz power supply that frequency-converting power supply supplies is through the output of frequency-converting power supply variable-frequency variable-voltage, and it is relatively better that 380V/50Hz power supply exports network wave, can for domestic relatively high power boats and ships.440V/60Hz power supply is the external power standard of major part, is applicable to international shipping.
above-mentioned frequency-converting power supply also comprises heat abstractor, and this heat abstractor comprises the aircondition for dispelling the heat for core unsteady flow module 4, the air blast cooling device for dispelling the heat for reactor.So both avoided outdoor hot weather and direct sunlight to the impact of core circuit components and parts, and in turn saved cost, reduce volume.
above-mentioned power-on box 2 comprise to buy electricity for swiping the card ammeter of swiping the card, for checking the touch display screen of frequency-converting power supply 1 power supply state, this touch display screen also for selecting power transmission parameter, and carrying out power transmission, closing electricity operation.Wherein, only after having swiped the card, frequency-converting power supply 1 can be started.
in order to prevent misoperation, touch frequency-converting power supply 1 by mistake, guarantee Electrical Safety, gap distribution between the casing of frequency-converting power supply 1 and power-on box 2.
above-mentioned terminal box 3 primarily of bank base socket box and cable management system composition, for the wiring work of shore electric power and boats and ships.Adopt fast-assembling safe termination, to reduce the setting up time that wiring working strength and boats and ships reach port, increase work efficiency.Be designed to electrical interlock between the safe termination of fast-assembling and electric power system, before wiring completes and in wiring process, electric power system cannot be closed a floodgate power supply; If electric power system is in power supply state, junction box cannot be opened and carry out patching operations; All power supply outlet sides, all adopt breaker protection, guarantee safety in utilization.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection range of the present utility model.
Claims (8)
1. a shore electric power system, for the ship power supply for stopping, it is characterized in that: described shore electric power system comprise be connected with city's net service cable circuitry phase frequency-converting power supply, be connected with described frequency-converting power supply circuitry phase for the power-on box controlling described frequency-converting power supply power supply state, the terminal box for powering to boats and ships that is connected with described frequency-converting power supply circuitry phase;
Described frequency-converting power supply, is made up of reactor, filter and core unsteady flow module, for being exported according to after the demand variable voltage variable frequency of boats and ships by input power.
2. a kind of shore electric power system according to claim 1, is characterized in that: described core unsteady flow module is made up of rectifier boost module, DC capacitor module, inversion module and control module.
3. a kind of shore electric power system according to claim 2, is characterized in that: described control module comprises for the signal condition unit of Gather and input current and voltage of power supply signal, the control unit be connected with described signal condition unit circuitry phase, the first driver element, second driver element of the output voltage for controlling described inversion module that is connected with described control unit circuitry phase of the direct voltage for controlling described rectifier boost module that are connected with described control unit circuitry phase.
4. a kind of shore electric power system according to claim 1, is characterized in that: described core unsteady flow module, is connected, for exporting the power supply between 380V to 480V with city's net service cable circuitry phase of 380V/50Hz.
5. a kind of shore electric power system according to claim 4, is characterized in that: described core unsteady flow module, for exporting the power supply of 380V/50Hz and 440V/60Hz.
6. a kind of shore electric power system according to claim 1, it is characterized in that: described power-on box comprise to buy electricity for swiping the card ammeter of swiping the card, for checking the touch display screen of described frequency-converting power supply power supply state, described touch display screen, also for selecting power transmission parameter, carrying out power transmission, closing electricity operation.
7. a kind of shore electric power system according to claim 1, is characterized in that: gap distribution between described frequency-converting power supply and described power-on box casing.
8. a kind of shore electric power system according to claim 1, it is characterized in that: described frequency-converting power supply also comprises heat abstractor, described heat abstractor comprises for the aircondition for described core unsteady flow module heat dissipating, for the air blast cooling device for described reactor heat radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236843.1U CN204465349U (en) | 2015-04-17 | 2015-04-17 | A kind of shore electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236843.1U CN204465349U (en) | 2015-04-17 | 2015-04-17 | A kind of shore electric power system |
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| Publication Number | Publication Date |
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| CN204465349U true CN204465349U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520236843.1U Expired - Fee Related CN204465349U (en) | 2015-04-17 | 2015-04-17 | A kind of shore electric power system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852596A (en) * | 2015-04-17 | 2015-08-19 | 江苏省电力公司张家港市供电公司 | Shore power source system |
| CN106487030A (en) * | 2015-08-28 | 2017-03-08 | 国网智能电网研究院 | A kind of shore electric power system peculiar to vessel based on matrix majorization and its control method |
-
2015
- 2015-04-17 CN CN201520236843.1U patent/CN204465349U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852596A (en) * | 2015-04-17 | 2015-08-19 | 江苏省电力公司张家港市供电公司 | Shore power source system |
| CN106487030A (en) * | 2015-08-28 | 2017-03-08 | 国网智能电网研究院 | A kind of shore electric power system peculiar to vessel based on matrix majorization and its control method |
| CN106487030B (en) * | 2015-08-28 | 2019-07-26 | 国网智能电网研究院 | A kind of shore electric power system and its control method peculiar to vessel based on matrix majorization |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20210417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |