CN107732913A - Ship shore electric electric supply installation - Google Patents
Ship shore electric electric supply installation Download PDFInfo
- Publication number
- CN107732913A CN107732913A CN201711212509.2A CN201711212509A CN107732913A CN 107732913 A CN107732913 A CN 107732913A CN 201711212509 A CN201711212509 A CN 201711212509A CN 107732913 A CN107732913 A CN 107732913A
- Authority
- CN
- China
- Prior art keywords
- phase
- rectification adverser
- filter
- submodule
- rectification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 17
- 230000010363 phase shift Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
- H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/443—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means
- H02M5/45—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention discloses ship shore electric electric supply installation, setting includes phase-shifting transformer unit, power cell and filter unit, it is provided with phase-shifting transformer unit with the output winding quantity identical of phase-shifting rectifier transformer, the AC/DC/AC modules of crisscross parallel to improve equivalent switch efficiency, avoid producing harmonic pollution, and then improve the quality of power supply；Three rectification adverser modules are set, at least one rectification adverser submodule is inside set to be sequentially connected in series, each rectification adverser submodule is equipped with bypass circuit, when some rectification adverser submodule breaks down, can directly it be bypassed by bypass circuit, each rectification adverser submodular circuits structure is identical, interchangeable, it is easy to debug, to ensure the quality of power supply；Filter unit sets shunt active power filter, reactor and passive filter, while original conversion ratio is maintained, overcomes the deficiency that parallel active filter device and passive filtration unit is used alone, effectively suppresses harmonic wave, ensures the quality of power supply.
Description
Technical field
The present invention relates to the shore electric power for the ship power supply for resting against port and pier, and in particular to ship shore electric power supply dress
Put.
Background technology
Using being powered by point when ship reaches port, in the prior art, ship is configured to 6.6KV/50Hz, 6KV/
60Hz, 480KV/60Hz, bank electricity can be divided into low pressure bank electricity, middle pressure bank electricity and high voltage shore power.Low pressure bank electricity is become by being depressured
Depressor by high-tension electricity be depressured to power semiconductor can tolerance range, change frequency and phase by the way of AC/DC/AC；Middle pressure
Bank electricity is realized by setting up step-up transformer；High voltage shore power carries out AC/DC/AC conversion realizations by cascading direct screening variable-frequency power sources.
Above-mentioned technology is limited to the switching frequency of switching device and the limitation of efficiency so that the electric energy of frequency converter rectification and inversion to power network
Harmonic pollution is caused, reduces the quality of power supply for ship power supply.
The content of the invention
The present invention provides ship shore electric electric supply installation, solves the problems, such as quality of power supply difference existing for prior art.
The present invention solves the above problems by the following technical programs：
Ship shore electric electric supply installation, including phase-shifting transformer unit, power cell and filter unit；
It is outside ship power supply after the shifted transformer unit of outside bank electricity, power cell and filter unit；The phase shift
Transformer unit includes at least one phase-shifting rectifier transformer and N group AC/DC/AC modules, and wherein N >=1, N are positive integer, N's
It is worth identical with the total quantity of the output winding of phase-shifting rectifier transformer；The N groups AC/DC/AC modules crisscross parallel connection, output
Three-phase signal is to power cell.
Further, the quantity of the phase-shifting rectifier transformer be 2, each phase-shifting rectifier transformer containing 12 output around
Group.
Further, the power cell is made up of three rectification adverser modules, respectively the first rectification adverser mould
Block, the second rectification adverser module, the 3rd rectification adverser module；The first rectification adverser module, the second commutation inversion
Device module, the 3rd rectification adverser modular circuit structure are identical；The first rectification adverser module is by the rectification of at least one first
Inverter submodule forms；Each first rectification adverser submodule is sequentially connected in series；Each first rectification adverser submodule is all provided with
There is bypass circuit；In each first rectification adverser submodule, include the first three-phase full wave rectifier circuit and the first single-phase full bridge
Inverter, first three-phase full wave rectifier circuit and the first single-phase full-bridge inverter are connected in series.
Further, the quantity of the first rectification adverser submodule is 8.
Further, the filter unit is made up of shunt active power filter, reactor and passive filter；It is described
It is outside after reactor and passive filter processing after the signal of shunt active power filter receiving power unit is filtered
Ship power supply.
Further, the passive filter by the different tuned frequencies of M groups single tuned filter and high-pass filter group
Into wherein M >=1, M are positive integer, and M is the quantity for the harmonic wave that needs suppress.
Compared with prior art, there are following features：
1st, setting includes phase-shifting transformer unit, power cell and filter unit, is provided with and shifting in phase-shifting transformer unit
The output winding quantity identical of commutating phase transformer, the AC/DC/AC modules of crisscross parallel improve equivalent switch efficiency, keep away
Exempt to produce harmonic pollution, and then improve the quality of power supply；
2nd, exported for the three-phase of phase-shifting transformer unit, it is right therewith that power cell is provided with three rectification adverser modules
Should, and be sequentially connected in series in each rectification adverser module provided with least one rectification adverser submodule, each rectification adverser
Module is equipped with 1 full-wave rectifier and 1 single-phase full-bridge inverter, and each rectification adverser submodule is equipped with bypass electricity
Road, when some rectification adverser submodule breaks down, can directly it be bypassed by bypass circuit, each rectification adverser
Modular circuit structure is identical, interchangeable, is easy to debug, to ensure the quality of power supply；
3rd, filter unit sets shunt active power filter, reactor and passive filter, is maintaining original conversion ratio
While, the deficiency that parallel active filter device and passive filtration unit is used alone is overcome, effectively suppresses harmonic wave, ensures electricity
Can quality.
Brief description of the drawings
Fig. 1 is structural principle block diagram of the present invention.
Embodiment
The invention will be further described with reference to embodiments, but the invention is not limited in these embodiments.
Ship shore electric electric supply installation, including phase-shifting transformer unit, power cell and filter unit；Outside bank electricity is shifted
It is outside ship power supply after transformer unit, power cell and filter unit；The phase-shifting transformer unit moves including at least one
Commutating phase transformer and N group AC/DC/AC modules, wherein N >=1, N are positive integer, N value and phase-shifting rectifier transformer it is defeated
The total quantity for going out winding is identical；The N groups AC/DC/AC modules crisscross parallel connection, output three-phase signal to power cell.
AC/DC/AC modules mainly include IGCT and PWM inverter, wherein, IGCT is noncontacting switch, is applied
Forward current and when gate pole has trigger current, the load circuit conducting of IGCT；PWM inverter is according to the change of PWM cycle
Start or stop inversion.AC/DC/AC modules by series IGCT and PWM inverter, by bank electricity by multi-pulse rectification into
Direct current, the voltage and phase of marine power generation system are being tracked by phase-shifting carrier wave PWM inverter in parallel, it is real by phase-shifting carrier wave
Now without harmonic wave, power grid quality is improved.
The quantity of the phase-shifting rectifier transformer is 2, and each phase-shifting rectifier transformer is containing 12 output windings.It is each to move
The corresponding one group of AC/DC/AC module of commutating phase transformer, the present invention have 24 each output windings, are corresponding with 24 AC/DC/AC modules,
This 24 AC/DC/AC modules crisscross parallel in a manner of the carrier wave that interlocks, is connected to power cell and filter unit.Crisscross parallel
The frequency of equivalent switch is the multiple of single switch frequency in phase-shifting rectifier transformer, and the connected mode effectively improves output switch
Frequency, using the leakage inductance of PWM inverter or the outputting inductance of very little, it just can effectively suppress harmonic wave.
The power cell is made up of three rectification adverser modules, respectively the first rectification adverser module, second whole
Flow inverter module, the 3rd rectification adverser module；The first rectification adverser module, the second rectification adverser module,
Three rectification adverser modular circuit structures are identical；The first rectification adverser module is by the rectification adverser of at least one first
Module forms；Each first rectification adverser submodule is sequentially connected in series；Each first rectification adverser submodule is equipped with bypass electricity
Road；In each first rectification adverser submodule, include the first three-phase full wave rectifier circuit and the first single-phase full-bridge inverter, institute
State the first three-phase full wave rectifier circuit and the first single-phase full-bridge inverter is connected in series.
First rectification adverser module receives the A phase voltages of phase-shifting transformer unit output, the second rectification adverser module
The B phase voltages of phase-shifting transformer unit output are received, the second rectification adverser module receives the C phases of phase-shifting transformer unit output
Voltage.Second rectification adverser module is made up of at least one the second rectification adverser submodule；Each second rectification adverser submodule
Block is sequentially connected in series；Each second rectification adverser submodule is equipped with bypass circuit；In each second rectification adverser submodule,
Include the second three-phase full wave rectifier circuit and the second single-phase full-bridge inverter, second three-phase full wave rectifier circuit and second single-phase
Full-bridge inverter is connected in series.3rd rectification adverser module is made up of the rectification adverser submodule of at least one the 3rd；Each 3rd
Rectification adverser submodule is sequentially connected in series；Each 3rd rectification adverser submodule is equipped with bypass circuit；In each 3rd rectification
In inverter submodule, include the 3rd three-phase full wave rectifier circuit and the 3rd single-phase full-bridge inverter, the 3rd three-phase full-wave
Rectifier and the 3rd single-phase full-bridge inverter are connected in series.
The input of first rectification adverser submodule is connected with the A phase output signals of phase-shifting transformer unit, output end
Input is connected all the way with filter unit；The input of second rectification adverser submodule and the B phases of phase-shifting transformer unit are defeated
Go out signal connection, output end is connected with filter unit another way input；The input of 3rd rectification adverser submodule and shifting
The C phases output signal connection of phase transformer unit, output end are connected with the another road input of filter unit.
In the present invention, the quantity of the first rectification adverser submodule is 8, the number of the second rectification adverser submodule
Measure as 8, the quantity of the 3rd rectification adverser submodule is 8.There is event in any full-wave rectifier or single-phase full-bridge inverter
Barrier, can all be bypassed by bypass circuit, use other groups of full-wave rectifier and single-phase full-bridge inverter of same phase.This hair
It is bright to use 24 impulse commutation modes, improve the current waveform that bank electricity is surveyed, reduce Harmonics of Input composition, improve power factor (PF),
So that the power factor (PF) of the bank electricity side under load is close to 1.
The filter unit is made up of shunt active power filter, reactor and passive filter；The parallel connection type has
It is that outside ship supplies after reactor and passive filter processing after the signal of source filter receiving power unit is filtered
Electricity.The passive filter undertakes main harmonics restraint task, by the single tuned filter and high pass of the different tuned frequencies of M groups
Wave filter group is into wherein M >=1, M are positive integer, and M is the quantity for the harmonic wave that needs suppress.If desired for suppress 1,3,5,6 time four kinds
Harmonic wave, then M=4.Shunt active power filter compensates remaining harmonic wave, can effectively reduce its capacity, reduces cost, improves electricity
Energy.
Claims (6)
1. ship shore electric electric supply installation, it is characterised in that：
Including phase-shifting transformer unit, power cell and filter unit；
It is outside ship power supply after the shifted transformer unit of outside bank electricity, power cell and filter unit；The phase shift transformation
Device unit includes at least one phase-shifting rectifier transformer and N group AC/DC/AC modules, and wherein N >=1, N are positive integer, N value with
The total quantity of the output winding of phase-shifting rectifier transformer is identical；The N groups AC/DC/AC modules crisscross parallel connection, exports three-phase
Signal is to power cell.
2. ship shore electric electric supply installation according to claim 1, it is characterised in that：
The quantity of the phase-shifting rectifier transformer is 2, and each phase-shifting rectifier transformer is containing 12 output windings.
3. ship shore electric electric supply installation according to claim 1, it is characterised in that：
The power cell is made up of three rectification adverser modules, and respectively the first rectification adverser module, the second rectification is inverse
Become device module, the 3rd rectification adverser module；It is the first rectification adverser module, the second rectification adverser module, the 3rd whole
It is identical to flow inverter module circuit structure；
The first rectification adverser module is made up of at least one the first rectification adverser submodule；Each first rectification adverser
Submodule is sequentially connected in series；Each first rectification adverser submodule is equipped with bypass circuit；
In each first rectification adverser submodule, include the first three-phase full wave rectifier circuit and the first single-phase full-bridge inverter,
First three-phase full wave rectifier circuit and the first single-phase full-bridge inverter are connected in series.
4. ship shore electric electric supply installation according to claim 3, it is characterised in that：The first rectification adverser submodule
Quantity be 8.
5. ship shore electric electric supply installation according to claim 1, it is characterised in that：
The filter unit is made up of shunt active power filter, reactor and passive filter；The parallel connection type active filter
It is outside ship power supply after reactor and passive filter processing after the signal of ripple device receiving power unit is filtered.
6. ship shore electric electric supply installation according to claim 5, it is characterised in that：
The passive filter is made up of the single tuned filter and high-pass filter of the different tuned frequencies of M groups, wherein M >=1, M
For positive integer, M is the quantity for the harmonic wave that needs suppress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212509.2A CN107732913A (en) | 2017-11-28 | 2017-11-28 | Ship shore electric electric supply installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711212509.2A CN107732913A (en) | 2017-11-28 | 2017-11-28 | Ship shore electric electric supply installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107732913A true CN107732913A (en) | 2018-02-23 |
Family
ID=61218689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711212509.2A Withdrawn CN107732913A (en) | 2017-11-28 | 2017-11-28 | Ship shore electric electric supply installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732913A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518587A (en) * | 2019-06-13 | 2019-11-29 | 江苏经纬轨道交通设备有限公司 | Phase-shifting control method, system, device and the storage medium of multiple convertor system |
| CN113064096A (en) * | 2021-03-22 | 2021-07-02 | 中国人民解放军海军工程大学 | Shore power test system based on medium-high voltage alternating current |
| CN113945789A (en) * | 2021-10-15 | 2022-01-18 | 广东电网有限责任公司 | Full-load testing device and method for output voltage amplitude and phase of phase-shifting transformer |
-
2017
- 2017-11-28 CN CN201711212509.2A patent/CN107732913A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518587A (en) * | 2019-06-13 | 2019-11-29 | 江苏经纬轨道交通设备有限公司 | Phase-shifting control method, system, device and the storage medium of multiple convertor system |
| CN110518587B (en) * | 2019-06-13 | 2023-12-26 | 江苏经纬轨道交通设备有限公司 | Phase shift control method, system and device for multiple converter system and storage medium |
| CN113064096A (en) * | 2021-03-22 | 2021-07-02 | 中国人民解放军海军工程大学 | Shore power test system based on medium-high voltage alternating current |
| CN113945789A (en) * | 2021-10-15 | 2022-01-18 | 广东电网有限责任公司 | Full-load testing device and method for output voltage amplitude and phase of phase-shifting transformer |
| CN113945789B (en) * | 2021-10-15 | 2023-07-25 | 广东电网有限责任公司 | Phase-shifting transformer output voltage amplitude and phase full-load test device and test method |
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| PB01 | Publication | ||
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Application publication date: 20180223 |