CN206401992U - A kind of generating ship EMS - Google Patents
A kind of generating ship EMS Download PDFInfo
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- CN206401992U CN206401992U CN201720035365.7U CN201720035365U CN206401992U CN 206401992 U CN206401992 U CN 206401992U CN 201720035365 U CN201720035365 U CN 201720035365U CN 206401992 U CN206401992 U CN 206401992U
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- 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
- Y02E40/30—Reactive power compensation
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Abstract
The utility model discloses a kind of generating ship EMS, including top layer energy management subsystem and bottom energy management subsystem；Described top layer energy management subsystem includes communication module, power dispatching module, monitoring and alarm module, human-computer interaction module；Described bottom energy management subsystem is made up of multiple parallel power management blocks, and described power management block is made up of communication module and power control module；Unit allocation module and multiple power station units are connected with described power control module；The system uses top layer energy management subsystem and power management block hierarchical control, with very strong autgmentability, each power management block can individually complete the power management control to local power station, can be accessed as an integral unit in the high other system of one-level.
Description
Technical field
The utility model is related to generating ship application field, and in particular to a kind of EMS of generating ship, especially fits
For small-sized LNG generating ships.
Background technology
Ship needs unlatching subsidiary engine generating to provide daily electric power for ship after being berthed to port, subsidiary engine fuel is mostly quality
Poor heavy oil, can discharge substantial amounts of pollutant after burning, society contradicts with " resource-conserving, environmentally friendly ", so
It must take measures to change this present situation.Ship stops connecing bank electricity system during port to obtain power supply, is a kind of mode of pollution transportation,
Land generating fixed set, it is easy to handle disposal of pollutants, but need harbour dilatation, reconstruction, change to transformer station, power distribution network in harbour
The dynamic larger, cycle is long, and technology maturation is reliable but foreign countries' monopolization share is more.
Comparatively speaking, generating ship power supply technique, is the mode that a kind of new energy reduces blowdown, harbour is not almost changed
Demand, generating ship itself construction period is short, using flexible.
Generating ship technology, from constructing, arranges, is transported to from the point of view of electric integrated system, this is marine technology and industrial generation technology
Synthesis, such as ship arranges that turbine related system is compared close with traditional ship, but fuel is supplied, waste material output and and power plant
Specialty is similar.In terms of electric integrated system is transported to, such as ship generates electricity, medium-voltage distribution technology, is the conventional art of ship, high voltage variable
Electricity, conveying, protection, it is grid-connected（If any）In terms of, and it is similar to power plant specialty.
Generating ship is as a mobile power supply platform, to optimize the management and running of electric energy, it is desirable to have a set of energy management
System.For distribution peculiar to vessel, it has the functions such as power management, electric energy metrical, for generating, and it is also needed to and bank
Upper power network contact, receives the dispatch command of land power network.
Utility model content
The purpose of this utility model is that, according to the deficiencies in the prior art, design is a kind of more suitable for many generator units
The EMS of level grid connected structure generating ship.
The utility model solves the technical scheme that its technical problem used：A kind of generating ship EMS, bag
Include top layer energy management subsystem and bottom energy management subsystem；Described top layer energy management subsystem includes communication mould
Block, power dispatching module, monitoring and alarm module, human-computer interaction module；Described bottom energy management subsystem by it is multiple simultaneously
Capable power management block composition, described power management block is made up of communication module and power control module；Described work(
Unit allocation module and multiple power station units are connected with rate control module；Described power station unit is by power compensator, low pressure
Panel, the step-up transformer being connected on low-tension distribution board and multiple generating sets are constituted, on described low-tension distribution board
Low-voltage busbar is provided with, described low-voltage busbar is connected with generating set and power compensator respectively by low-voltage circuit breaker；
Described power control module includes medium-voltage distribution plate and power control unit, and described power control unit is included in being arranged on
The middle pressure busbar being press-fitted on electroplax and several breakers being connected with middle pressure busbar.
A kind of described generating ship EMS, it is disconnected that its breaker includes pressure output in middle pressure input breaker, 6kV
Output breaker is pressed in road device and 10kV, described step-up transformer inputs breaker by middle pressure and is connected with middle pressure busbar.
Middle pressure busbar is additionally provided between a kind of described generating ship EMS, its multiple power control module female
Join breaker.
A kind of described generating ship EMS, its generating set is by LNG generators, speed regulator and field regulator
Composition.
A kind of described generating ship EMS, its power compensator is used as energy-storage units using ultracapacitor.
A kind of described generating ship EMS, its step-up transformer uses two-winding transformer, step-up transformer
It is internally provided with voltage changeover switch.
The beneficial effects of the utility model are：
1, this management system can adapt to small-sized LNG generating ships and realize low-pressure grid-connection, middle press-fitting by being classified bus framework
The system architecture of electricity, functional structure is clear, it is possible to achieve the operation of total system freedom and flexibility；
2, this management system passes through to each generator unit from controlling, it is possible to achieve the independent operating of each generator unit, solely
Vertical protection, independent monitoring, make generator unit realize modularization, save design and producing cost；
3, this management system flexible operation, autgmentability are strong, and each power station unit can work independently, and increase power station is single
Member is smaller for the change of upper strata power control unit.
Brief description of the drawings
Fig. 1 is systematic functional structrue figure of the present utility model；
Fig. 2 is electrical system line chart of the present utility model.
Each reference is：1-generating set, 2-power compensator, 3-low-voltage circuit breaker, 4-low-voltage busbar, 5-
Step-up transformer, 6-voltage changeover switch, 7-power station unit, 8-middle pressure input breaker, 9-middle pressure busbar, 10-6kV
Middle pressure output breaker, is pressed in 11-6kV to ship output counter, pressure output breaker in 12-10kV, and opposite bank is pressed in 13-10kV
Output counter, 14-it is middle pressure busbar bus.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Shown in reference picture 1, Fig. 2, the utility model discloses a kind of generating ship EMS, it is adaptable to many generatings
Machine unit multistage grid connected structure generating ship, the generating ship is made up of multigroup power station unit, and each power station unit generates electricity comprising many sets
Unit, low-tension distribution board, step-up transformer, multiple power station units combine supplying power for outside, this energy management by medium-voltage distribution plate
System uses heterarchical architecture, including top layer energy management subsystem and bottom energy management subsystem；Top layer energy management
Subsystem controls power management block, and overall control and comprehensive monitoring are carried out to the running status in full ship power station, in generating ship
When opposite bank powers, top layer energy management subsystem is also responsible for getting in touch with bank electricity and by electric ship, receives dispatch command and sends this ship
Power station state, top layer energy management subsystem is allocated to power according to bank electricity dispatch command and is assigned to the work(in each power station
Rate administrative unit, while controlling to press the mode of connection of bus in Medium voltage switch or circuit breaker change, presses busbar and is connected to middle pressure in control
Equipment on busbar, such as medium voltage breaker, output switch cabinet.
Described top layer energy management subsystem includes：
Communication module, is responsible for this ship electrical system and the contact communication by electric ship or bank electricity system, by optical fiber and by electricity
Ship or bank electricity system carry out contact communication；
Power dispatching module, receives the dispatch command of bank electricity and returns to the state of our station, according to bank electricity dispatch command to work(
Rate is allocated and is assigned to the power management block in each power station, while controlling to press the wiring side of bus in Medium voltage switch or circuit breaker change
Formula, is allocated to full ship power and is assigned to the power management block in each power station；
Monitoring and alarm module, collect the running state information of full ship equipment, abnormality and failure are alarmed, complete
Help the monitoring and alarm of ship equipment and electrical system；
And human-computer interaction module is controlled there is provided Man Machine Interface, monitors and managed, operating personnel can pass through
The interface carries out the control, monitoring and management of full ship electrical system；
Described bottom energy management subsystem is made up of the power management block of multiple independent parallels, is responsible for power station unit
Power management, control this power station unit output voltage frequency and amplitude, power management block possesses capacity of working on one's own, described
Power management block include
Communication module, receives the voltage of top layer energy management subsystem, frequency, active and reactive instruction and feeds back this unit
The working condition and warning message of each interior equipment；
Power control module, collects the running status of the equipment such as transformer in this subsystem, low tension switch, generating set,
The mode of operation of transformer and switch is controlled, the operation of unit is controlled by unit allocation module；
Unit allocation module and multiple power station units 7 are connected with described power control module；
Unit allocation module it is main by PPU (Parallelingand Protection Unit, and car and protection location),
Machine unit speed regulating device and field regulator are constituted, and can control generation frequency, voltage, active power and the idle work(of this TV station unit
Rate.
Described power station unit 7 is by power compensator 2, low-tension distribution board, the boosting transformation being connected on low-tension distribution board
Device 5 and multiple generating sets 1 are constituted, and power compensator 2 uses ultracapacitor as energy-storage units, for a long time in net, not
Need to charge during power back-off, be simultaneously emitted by reactive compensation system power factor, in load increase suddenly, beyond LNG generators
Export active during group response speed adjustable range, compensate this Partial Power, the capacity of power compensator is pressed to be rung with the group power of the assembling unit
Answer curve to calculate, be provided with low-voltage busbar 4 on described low-tension distribution board, described low-voltage busbar 4 passes through 3 points of low-voltage circuit breaker
It is not connected with generating set 1 and power compensator 2, system compatible 50Hz and 60Hz running frequency can export a variety of electricity systems.
Electrical system is arranged using generator train unit, is classified bus framework, and low-tension distribution board includes three screen generator panels, a screen work(
Rate compensator screen, a screen transformer and control flow.Integrated low-voltage system protection function.630V/50Hz and 690V/ can be operated in
Under 60Hz electricity systems；Step-up transformer uses two-winding transformer, and step-up transformer is by low pressure 630V（690V）Boost to 6kV
（6.6kV）With boost to 10kV（11kV）, both are switched by the selection of tap and built-in switching switch completion in the case of not charged.
Transformer is designed to compatible 50Hz and 60Hz frequencies by special electromagnetic；Described power control module includes medium-voltage distribution plate
And power control unit, described medium-voltage distribution plate can compatibility 6kV/50Hz, 10kV/50Hz, 6.6kV/60Hz and 11kV/
60Hz electricity systems, and compatible protection device is had, described power control unit includes the middle pressure being arranged on medium-voltage distribution plate
Busbar 9 and several breakers being connected with middle pressure busbar 9；Described breaker is included in middle pressure input breaker 8,6kV
Output breaker 12 is pressed in pressure output breaker 10 and 10kV, described step-up transformer 5 inputs breaker 8 with by middle pressure
Pressure busbar 9 is connected, described that ship output interface is connected by pressure output breaker 10 in 6kV with middle pressure busbar 9, described pair
Bank output interface is by pressing output breaker 12 to be connected with middle pressure busbar 9 in 10kV.
This EMS includes several output interfaces, including to ship output interface and opposite bank output interface, no
Output interface with voltage class has obvious differentiation, and it is different to distinguish corresponding voltage grade to ship output interface or opposite bank output interface
Interface cabinet, with 6kV pressure output breaker 10 it is corresponding to ship output interface connect 6kV in press to ship output counter 11, with
In 10kV opposite bank output counter 13 is pressed in the corresponding opposite bank output interface connection 10kV of pressure output breaker 12.
This EMS is used to be also set up between low-pressure grid-connection, the framework of high voltage power distribution, multiple power control modules
There is middle pressure busbar bus 14, described generating set 1 includes LNG generators, speed regulator and field regulator, described
Power compensator 2 is using ultracapacitor as energy-storage units, and described step-up transformer 5 uses two-winding transformer, boosting
Transformer 5 is internally provided with voltage changeover switch 6.Generating set 1 connects low-tension distribution board, and boosted transformer 5 arrives medium-voltage distribution
Connected load after plate, several power station units 7 be connected to it is middle pressure busbar on pass through in crimp mouth supplying power for outside, be connected to it is middle pressure busbar on
Power station unit 7 by upper strata power management system unified allocation of resources.Generating set 1, the power compensator 2 of low-voltage variable frequency, low pressure is matched somebody with somebody
Electroplax, step-up transformer 5 constitute One function independence generator unit, the generator unit have independent power management system and
Integrated Protection System, its 26S Proteasome Structure and Function such as Fig. 2.
It the advantage is that：Adapt to the slow characteristic of LNG generating sets low capacity, power response, can provide 6kV/50Hz,
Tetra- kinds of electricity systems of 10kV/50Hz, 6.6kV/60Hz and 11kV/60Hz, flexible operation, autgmentability is strong.Described generating set 1 includes
LNG generators, speed regulator and field regulator, using the variable-frequency power generation technology of LNG generating sets, compatible 50Hz and 60Hz electricity
System, group of motors is LNG generating sets, being capable of voltage regulation and frequency modulation, output two kinds of frequencies of 630V/50Hz and 690V/60Hz and correspondence width
The voltage of value, uses power compensator to improve the power response speed in power station to improve power supply quality.
Described panel includes breaker and busbar, is capable of compatibility 50Hz and 60Hz working frequency；Using low pressure simultaneously
Net, the framework of high voltage power distribution, generator connects connected load after low-tension distribution board, boosted transformer to medium-voltage distribution plate；Utilize
630V/50Hz and 690V/60Hz electricity systems are changed into 6kV/50Hz, 10kV/50Hz, 6.6kV/60Hz and 11kV/ by step-up transformer
60Hz electricity systems, centre utilizes switching switch switching secondary output voltage；In addition, step-up transformer 5 uses double winding Dy connections, rise
To the effect of isolating transformer, described step-up transformer 5 is by low pressure 630V（690V）Boost to 6kV（6.6kV）With boost to
10kV（11kV）, both by tap and in-built electrical toggle switch 6 complete it is not charged in the case of selection switch, step-up transformer
5 are designed to compatible 50Hz and 60Hz frequencies by special electromagnetic.
630V/50Hz and 690V/60Hz electricity systems are changed into 6kV/50Hz, 10kV/ by the utility model using step-up transformer 5
50Hz, 6.6kV/60Hz and 11kV/60Hz electricity system, centre switches secondary output voltage using voltage changeover switch 6.This is electrically
System has the high voltage interface powered to ship and opposite bank, is respectively the different interface cabinet of voltage class, different voltages etc. to ship and opposite bank
The interface of level has obvious differentiation, low-voltage variable frequency generating set, power compensator, the compatible low-tension distribution board of voltage to frequency, frequency
The compatible medium-voltage distribution plate of step-up transformer, voltage to frequency, the output interface of compatible pressure-adjustable；Low-voltage variable frequency generating set is with LNG
Engine reduces pollutant emission as prime mover.Generating set is equipped with special speed regulator and field regulator, can make hair
The electricity system that motor is sent switches between 630V/50Hz and 690V/60Hz, in addition, generating set protection system need to be according to generating
Machine operational mode adjusts Protection parameters.
The function and authority of top layer energy management subsystem：A) externally bank electricity dispatch command is received.Receiving power on the bank needs
Instruction is asked, and returns the power output capacity and allowance in local power station；B) power demand is sent to subordinate's power management block to refer to
Order, receives the status information in subordinate's power management system power station；C) directly control output cabinet breaker, main transformer circuit breaker and
The switch of high voltage bus bus；D) it is grid-connected with bank electricity when auxiliary is powered to bank electricity；E) full ship power system monitoring and report
It is alert.
Power management block is responsible for the power management of this power station unit, receive the voltage of top layer energy management unit, frequency,
Active and reactive instruction, controls low tension switch, transformer, machine unit speed regulating device and field regulator in local power station to complete instruction
Operation, and feed back to upper strata controller the status data in local power station.
The function and authority of power management block：A) EMS of the power management block equivalent to this power station unit
(PMS)；B) receive the power instruction of top layer energy management subsystem, assessed according to power demand and start unit number automatic network-building,
And controlling switch completes networking in low-voltage bus bar；C) it can realize that Duo Tai units collective is grid-connected in middle pressure bus；D) power is controlled
The work of compensator；E) quality of power supply on this power station unit bus is ensured.
The power management system is similar with power management system peculiar to vessel in structure, can receive upper strata power control unit
Voltage magnitude, electric voltage frequency, export it is active, export the instruction such as idle, and call every generating set PPU module, power to mend
Repay device control unit and transformer control unit and complete these instructions to integrate, multiple power station units 7 pass through middle pressure input open circuit
Device 8 is connected with medium-voltage distribution plate, and described medium-voltage distribution plate is defeated comprising N screens generating screen, a screen mother and control flow, four screen 6kV
Go out screen, two screen 10kV, medium-voltage distribution plate and power control unit composition power cell, power cell is responsible for the group of medium voltage distribution network
Net, and possess the selective protection ability of middle pressure busbar, directly by top layer energy management subsystem controls.
Top layer energy management subsystem responsible is got in touch with bank electricity system, is received power demand on the bank and is instructed, and returns local
The power output capacity and allowance in power station；Power demand instruction is sent to subordinate's power management block, receives subordinate's power management
The status information in system power station；Pressure output is disconnected in pressure output breaker 10,10kV in pressure input breaker 8,6kV in directly controlling
The switch of road device 12 and middle pressure busbar bus 14；Auxiliary is grid-connected with bank electricity when being powered to bank electricity；Full ship power system prison
Survey and power measurement.
The system can operate at manual mode, semiautomatic-mode and fully automatic mode.
It is considered that the initialization system mode of connection, each section of bus operating voltage, frequency and each unit in semiautomatic-mode
Power output.Manual mode allows user directly to control generator set controller.Fully automatic mode automatically selects wiring side by the system
Formula and operating voltage carry out the output of power.
The system advantage is as follows：
1st, this management system adapts to the slow characteristic of LNG generating sets low capacity, power response, by being classified bus-bar frame
Structure, realizes unit low-pressure grid-connection, medium-voltage distribution, adapts to generating set capacity；By power compensator, LNG generating sets are made up
The slow shortcoming of power response.
2nd, this management system compatibility 50Hz and 60Hz running frequencies, can provide 6kV/50Hz, 10kV/50Hz, 6.6kV/
Tetra- kinds of electricity systems of 60Hz and 11kV/60Hz, using the design and lectotype selection of compatibility, enable each key equipment in different electricity systems
Lower multiplexing, simplied system structure saves cost.
3rd, this management system flexible operation, autgmentability are strong, and each power station unit can work independently, and increase power station is single
Member is smaller for the change of upper strata power control unit.
Above-described embodiment only illustrative principle of the present utility model and its effect, and the embodiment that part is used,
For the person of ordinary skill of the art, on the premise of the utility model creation design is not departed from, if can also make
Dry modification and improvement, these belong to protection domain of the present utility model.
Claims (6)
1. a kind of generating ship EMS, it is characterised in that：Including top layer energy management subsystem and bottom energy management
Subsystem；
Described top layer energy management subsystem includes communication module, power dispatching module, monitoring and alarm module, man-machine interaction
Module；
Described bottom energy management subsystem is made up of multiple parallel power management blocks, described power management block by
Communication module and power control module composition；
Unit allocation module and multiple power station units are connected with described power control module（7）；
Described power station unit（7）By power compensator（2）, low-tension distribution board, the boosting transformation being connected on low-tension distribution board
Device（5）And multiple generating sets（1）Constitute, low-voltage busbar is provided with described low-tension distribution board（4）, described low pressure is female
Row（4）Pass through low-voltage circuit breaker（3）Respectively with generating set（1）And power compensator（2）It is connected；
Described power control module includes medium-voltage distribution plate and power control unit, and described power control unit includes setting
Middle pressure busbar on medium-voltage distribution plate（9）With with middle pressure busbar（9）Several breakers being connected.
2. a kind of generating ship EMS according to claim 1, it is characterised in that during described breaker includes
Pressure input breaker（8）, pressure output breaker in 6kV（10）With pressure output breaker in 10kV（12）, described boosting transformation
Device（5）Breaker is inputted by middle pressure（8）With middle pressure busbar（9）Connection.
3. a kind of generating ship EMS according to claim 1, it is characterised in that described multiple Power Controls
Middle pressure busbar bus is additionally provided between module（14）.
4. a kind of generating ship EMS according to claim 1, it is characterised in that described generating set（1）
It is made up of LNG generators, speed regulator and field regulator.
5. a kind of generating ship EMS according to claim 1, it is characterised in that described power compensator
（2）Energy-storage units are used as using ultracapacitor.
6. a kind of generating ship EMS according to claim 1, it is characterised in that described step-up transformer
（5）Using two-winding transformer, step-up transformer（5）It is internally provided with voltage changeover switch（6）.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720035365.7U CN206401992U (en) | 2017-01-12 | 2017-01-12 | A kind of generating ship EMS |
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| CN201720035365.7U CN206401992U (en) | 2017-01-12 | 2017-01-12 | A kind of generating ship EMS |
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| CN206401992U true CN206401992U (en) | 2017-08-11 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923470A (en) * | 2018-06-25 | 2018-11-30 | 武汉理工大学 | Multiple-energy-source ship energy management method and system |
| CN109656219A (en) * | 2019-01-01 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of distribution Ship Propeling centralized control equipment |
| CN109667677A (en) * | 2018-12-26 | 2019-04-23 | 中国船舶重工集团公司第七〇九研究所 | A kind of Poewr control method when Ship Electrical Power System diesel engine lubricating oil abnormal parameters |
| CN110658399A (en) * | 2019-09-18 | 2020-01-07 | 中国东方电气集团有限公司 | Power generation ship power supply system test optimization platform |
| CN111355238A (en) * | 2020-04-16 | 2020-06-30 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN113162036A (en) * | 2021-04-23 | 2021-07-23 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Low-voltage power supply and distribution method under ship critical power station capacity |
-
2017
- 2017-01-12 CN CN201720035365.7U patent/CN206401992U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108923470A (en) * | 2018-06-25 | 2018-11-30 | 武汉理工大学 | Multiple-energy-source ship energy management method and system |
| CN109667677A (en) * | 2018-12-26 | 2019-04-23 | 中国船舶重工集团公司第七〇九研究所 | A kind of Poewr control method when Ship Electrical Power System diesel engine lubricating oil abnormal parameters |
| CN109667677B (en) * | 2018-12-26 | 2020-09-25 | 中国船舶重工集团公司第七一九研究所 | Power control method for diesel engine of ship power system when lubricating oil parameters are abnormal |
| CN109656219A (en) * | 2019-01-01 | 2019-04-19 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of distribution Ship Propeling centralized control equipment |
| CN109656219B (en) * | 2019-01-01 | 2021-04-06 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Distributed ship propulsion centralized control device |
| CN110658399A (en) * | 2019-09-18 | 2020-01-07 | 中国东方电气集团有限公司 | Power generation ship power supply system test optimization platform |
| CN111355238A (en) * | 2020-04-16 | 2020-06-30 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN111355238B (en) * | 2020-04-16 | 2023-11-21 | 施耐德万高（天津）电气设备有限公司 | Medium-voltage power supply management system |
| CN113162036A (en) * | 2021-04-23 | 2021-07-23 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Low-voltage power supply and distribution method under ship critical power station capacity |
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