CN208209635U - A kind of offshore platform electric energy storing system - Google Patents
A kind of offshore platform electric energy storing system Download PDFInfo
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- CN208209635U CN208209635U CN201820498940.1U CN201820498940U CN208209635U CN 208209635 U CN208209635 U CN 208209635U CN 201820498940 U CN201820498940 U CN 201820498940U CN 208209635 U CN208209635 U CN 208209635U
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Abstract
The utility model provides a kind of offshore platform electric energy storing system, electric energy storing system is connect with major network system, major network system include high voltage bus row, low-voltage bus bar row, be connected to high voltage bus row low-voltage bus bar row between transformer and connect the transformer and the voltage bus row between major network panel switches；Electric energy storing system includes: that monitoring control module, energy-storage module and bidirectional energy-storage inverter module, bidirectional energy-storage inverter module one end are connect with the monitoring control module, and the other end is connected by a normally closed switch and low-voltage bus bar row；The monitoring control module is connect with the energy-storage module and the bidirectional energy-storage inverter module respectively, simultaneously, the monitoring control module is connect with major network panel switches and major network transformer secondary respectively, it realizes the status monitoring to major network panel switches and major network transformer secondary, and controls the working condition of the bidirectional energy-storage inverter module according to the state of the major network panel switches.
Description
Technical field
The utility model relates to technical field of power systems, and in particular to a kind of energy-storage system of offshore platform.
Background technique
Offshore platform is generally remote from continent, possesses independent power station, since offshore platform power grid is isolated island
Power station form, generally by several Parallel Operation of Power Unit, when the certain power load monomers of user terminal are bigger, actual production
In often generate electricity end separate unit generating set failure or grid-connected big load when formed impact, cause the unstable of entire power grid, cause
Platform mains frequency and voltage fluctuation, or even make the routed of entire power grid and shutdown, power grid quality is unstable or the routed meeting of power grid
The damage of load user such as well head production equipment is caused, heavy losses are formed.If reached by increasing power station generator set method
To power grid dilatation purpose, generator investment is not only increased, arrangement is not flexibly, to waste extra fuel energy, real at present
In the operation of border, to guarantee platform power grid affluence electric power and power grid security, platform generating set utilization rate generally 70,80% with
Under, efficiency is not generally high, and platform guarantees that power grid is steady often through the removal of load method of utilization " power station emergency trip ", but gets rid of
The load fallen also brings along certain influence to oil field, and individual cases can injure electrical equipment, restarts cumbersome, therefore removal of load is not
It is the solution of best electrical management.
Another situation, some offshore platform power stations often use the underground natural gas of oil field output to fire as the power station energy
Material, the natural gas of underground mining is often uncontrollable because of flow and pressure, and fuel gas is supplied with great unstability, sometimes underground
Gas discharge pressure continues to increase, and power station does not have more loads to consume extra natural gas, and extra natural gas have to be put down
Platform emptying causes to waste；Sometimes some period persistently reduces because of gas discharge and pressure, is limited by platform space, the combustion of installation
Tankage size is too small does not have key effect to natural gas transient change for material natural gas balance, and power station larger fluctuation is caused even to be burst
It loses, also has to take and get rid of part power load method, lacked in short-term with mitigating gas fuel to unfavorable caused by power station
It influences, the natural gas compensator of certain pressure also impacts platform safety.With oil field continuous production, exploitation is entered particularly into
The unstability in stage afterwards, underground gas fuel is more and more prominent, brings huge pressure to entire Oilfield Electric station stable operation
Power, platform is badly in need of a kind of system that the rich energy is laid in and discharged at any time, to reduce the difference between grid power energy peak valley,
Reach saving natural gas energy resource, realizes the effect of energy-saving and emission-reduction.
Utility model content
In view of this, the present invention provides a kind of offshore platform electric energy storing systems, to solve by using standby
With generating set dilatation and fuel tank dilatation form come flat plateau power grid, need to consume more additional fuel, generator benefit
It is not high with rate, the problem of causing energy waste, occupy the space of platform preciousness, increase power generation noise nuisance.
The utility model provides a kind of offshore platform electric energy storing system, the electric energy storing system and major network system
Connection, the major network system include high voltage bus row, low-voltage bus bar row, are connected to the high voltage bus row and the low-voltage bus bar
Major network panel switches between transformer and the connection transformer between row and voltage bus row, feature exist
In: the electric energy storing system includes:
Monitor control module；
With the energy-storage module that connect of monitoring control module, the energy-storage module for realizing electric energy storage and release
It puts；
Bidirectional energy-storage inverter module, bidirectional energy-storage inverter module one end is connect with the monitoring control module, another
End is connected by a normally closed switch and low-voltage bus bar row, the bidirectional energy-storage inverter module realize energy-storage module direct current and
Low-voltage bus bar arranges the bi-directional conversion between alternating current；
The monitoring control module is connect with the energy-storage module and the bidirectional energy-storage inverter module respectively, is realized to institute
State the monitoring of energy-storage module information about power, and the monitoring to the bidirectional energy-storage inverter module working condition；Meanwhile the prison
It surveys control module to connect with major network panel switches and major network transformer secondary respectively, realize to major network panel switches and major network transformation
The status monitoring on device pair side.
Preferably, the energy-storage module includes the energy storage battery group that multiple groups are arranged in parallel and the super electricity that multiple groups are arranged in parallel
Appearance group, the energy storage battery group include the energy storage battery and current transformer of multiple series connections；The super capacitor group includes
The super capacitor of multiple series connections.
Preferably, the monitoring control module includes central control unit and connect respectively with the central control unit
Energy storage monitoring unit, major network monitoring unit and bidirectional energy-storage inverter module monitor control unit；The major network monitoring unit
The parameters such as the major network voltage of switch state and the major network transformer secondary to the major network panel switches, phase, and will
The parameters such as the major network voltage of the switch state of major network panel switches and the major network transformer secondary, phase are transferred in described
Entreat control unit；Prison of the bidirectional energy-storage inverter module monitoring control unit to the bidirectional energy-storage inverter module working condition
It surveys, and the working condition is transferred to the central control unit；Electricity of the energy storage monitoring unit to the energy-storage module
Information and working condition are monitored, and the information about power of the energy-storage module and working condition are transferred to the center
Control unit.
Preferably, the electric energy storing system further includes onsite alarming indicating unit, the onsite alarming indicating unit with
The central control unit connection.
Preferably, the electric energy storing system integrated installation is in closing in independent electric energy storing system compartment, convenient for only
Vertical ventilation and safety monitoring.
The utility model has the advantages and positive effects of: 1) electric energy storing system uses bidirectional energy-storage inverter module,
It is flowed with the bi-directional electric power of AC system and direct current system, according to ocean platform power load environment, realizes that energy-storage module exists
The charging of low-voltage circuit, electric discharge integrated function, have the peak load shifting effect of electric power energy to platform power grid, solve platform electricity
The uneven problem of short-term superfluous and shortage of power different phase, is equivalent to and effectively realizes power grid dilatation, improve the power supply of electricity consumption side
The application of reliability；
2) energy-storage module has the function of capacity extension, can compose in parallel more multiple groups energy storage battery group and super capacitor group
Energy-storage module, forms the energy-accumulating power station of larger capacity, and capacity apolegamy flexibly, more adapts to the reality of oil platform different load situation
Demand；
3) energy-storage module plays its fast charging and discharging and the high-power function of handling up, makes because super capacitor factor is added
Energy-storage module more adapts to resist the big load impact of platform, reduces battery pack equipped capacitor under identical capacity；
4) electric energy storing system is formed by high density battery pack and super capacitor to be connected to the grid, more preferably can improve and balance
Platform power grid characteristic, electric power grid frequency stabilization；
5) electric energy storing system has monitoring control module, can to major network transformer secondary parameter monitoring and load with
Track, to the real time on-line monitoring of energy storage electric system battery condition and energy storage inverter module, wherein each energy storage battery group has electricity
Pond state detection unit realizes Centralizing inspection management, ensure that the safety of the system application of platform at sea, stability is good；
6) electric energy storing system is integrated in offshore oil platform compartments space, in order to carry out independent ventilation and peace
Full monitoring etc. adapts to the safety management requirement of oil platform；
7) electric energy storing system is connected in platform low-voltage busbar by breaker, and existing platform generally has spare low pressure
Busbar and killer switch, offshore platform low-pressure end generally all bear the base load of platform life production, and load accounts for whole
Electric energy storing system is placed on low-voltage customer end by the sizeable proportion of a platform electric power, can play the role of sharing network load,
Therefore to the realization easy to transform of existing platform, there is generalization；
8) electric energy storing system supports grid-connected and independent operating, can be seamlessly connected between independent operating state grid-connected
Arbitrary switch, meets ocean platform quantity-produced power demand, has multi-functional electric energy storing system, while solving electric power
It ensures and production safety problem, it is ensured that backup power source is played the role of in offshore platform production stable operation, makes electric network reliability
It improves.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of the utility model electric energy storing system；
Fig. 2 is the connection block diagram of the monitoring control module of the utility model.
Specific embodiment
In order to better understand the utility model, the utility model is carried out into one with attached drawing combined with specific embodiments below
The description of step.
As shown in Figure 1, the utility model provides a kind of offshore platform electric energy storing system, the electric energy storing system
200 connect with major network system 100, wherein the major network system 100 includes high voltage bus row 101, low-voltage bus bar row 102, connection
Transformer 103 and connection 103 He of transformer between high voltage bus row 101 and low-voltage bus bar row 102
Major network panel switches 104 between the low-voltage bus bar row 102.
The electric energy storing system 200 includes monitoring control module 201, energy-storage module 202 and bidirectional energy-storage inversion mould
Block 203, the energy-storage module 202 is connect with the monitoring control module 201, for realizing the storage and release of electric energy, institute
203 one end of bidirectional energy-storage inverter module is stated to connect with the monitoring control module 201, the other end by a normally closed switch 2015 with
102 connection of low-voltage bus bar row, the bidirectional energy-storage inverter module 203 realize 202 direct current of energy-storage module and low-voltage bus bar
Arrange the bi-directional conversion between 102 alternating currents.
Meanwhile the monitoring control module 201 respectively with major network panel switches 104 and the secondary side of major network transformer 103
Connection is realized to the states of major network panel switches 104 and is monitored with the electrical network parameter on the secondary side of major network transformer 103.
The monitoring control module 201 is monitored the switch state of the major network panel switches 104, and according to described
The switch state of major network panel switches 104 controls the working condition of the bidirectional energy-storage inverter module 203.
Further, when 100 abnormal electrical power supply of major network system, if power station electric power is because of fuel shortage or unit reason
When leading to voltage instability, the major network panel switches 104 are disconnected, and the monitoring control module 201 monitors the major network distribution
When switch 104 is in an off state, change the working condition of the bidirectional energy-storage inverter module 203, so that the energy-storage module
202 are powered by the bidirectional energy-storage inverter module 203 to low-voltage bus bar row 102, and the energy-storage module 202 passes through institute
It states energy storage inverter module 203 and provides alternating current to low-voltage bus bar row 102.Described in being detected when the monitoring control module 201
When the major network system 100 occurs abnormal, automatically into 202 power supply state of energy-storage module, 102 loads are arranged for the low-voltage bus bar
Low-voltage bus bar is arranged 102 loads and is transferred to the energy-storage module 202 by power supply, moment, and the part for sharing the major network system 100 is negative
Lotus keeps the stability of the major network system 100.After the major network system 100 restores normal condition, the monitoring controls mould
Block 201 tracks the parameters such as the major network voltage of the major network system 100, phase, and adjusts the bidirectional energy-storage inverter module 203
Realize grid-connected function, the energy-storage module 202 enters floading condition charge mode, and the electric energy storing system 200 hangs over the major network
Also there is balanced power grid quality effect in system 100, guarantee the security and stability of entire major network.
Further, as shown in Figure 1, energy-storage module 202 includes the energy storage battery group 2021 and multiple groups that multiple groups are arranged in parallel
The super capacitor group 2022 being arranged in parallel, the energy storage battery group 2021 include the energy storage battery and unsteady flow of multiple series connections
Device；The super capacitor group 2022 includes the super capacitor of multiple series connections.Super capacitor is with fast charging and discharging and greatly
The function that power is handled up makes energy-storage module more adapt to resist the big load impact of platform, battery pack outfit is reduced under identical capacity
Capacity.Electric energy storing system is formed by high density battery pack and super capacitor to be connected to the grid, and can more preferably be improved and balance platform
Power grid characteristic, electric power grid frequency stabilization.
Meanwhile the electric energy storing system of the utility model has the function of capacity extension, it can be by the accumulation of energy of multiple groups constant volume
The energy-storage units of battery pack and super capacitor composition, which are connected in parallel, forms the energy-storage module of different capabilities, and the energy-storage module holds
Amount apolegamy flexibly, more adapts to the actual demand of oil platform different load.
Further, as shown in Fig. 2, the monitoring control module 201 include central control unit 2011 and respectively with
Energy storage monitoring unit 2012, major network monitoring unit 2013 and the bidirectional energy-storage inversion mould that the central control unit 2011 connects
Block monitors control unit 2014.
The central control unit 2011 realizes the monitoring to major network system mode by the major network monitoring unit 2013,
Further, the major network monitoring unit 2013 is communicated by major network panel switches communication line 204 and major network voltage-phase respectively
Line 205 is connect with the major network panel switches 104 of the major network system and major network transformer 103, monitors the major network distribution respectively
The parameters such as the switch state of switch 104 and the major network voltage on the secondary side of the major network transformer 103, phase, and by major network distribution
The parameters such as the switch state of switch 104 and the major network voltage on the secondary side of the major network transformer 103, phase are transferred to the center
Control unit 2011.
The central control unit 2011 realizes the prison to the energy-storage units 202 by the energy storage monitoring unit 2012
It surveys, further, the energy storage monitoring unit 2012 monitors communication line 206 by energy storage battery respectively and super capacitor monitors and leads to
Letter line 207 is connect with the energy storage battery group 2021 and super capacitor group 2022.The energy storage monitoring unit 2012 passes through described
Energy storage battery monitors monitoring of the formation of communication line 206 to energy storage battery group 2021, to realize to the energy storage battery group 2021
The monitoring of the parameters such as energy storage battery discharge/charge voltage, discharge/charge electric current, environment temperature and battery temperature, and above-mentioned parameter is passed
It is defeated by the central control unit 2011.The energy storage monitoring unit 2012 monitors the formation pair of communication line 207 by super capacitor
The monitoring of the super capacitor group 2022, to realize end voltage, euqalizing current and capacitance temperature etc. to super capacitor group 2022
The monitoring of parameter, and above-mentioned parameter is transferred to the central control unit 2011.
The central control unit 2011 monitors control unit 2014 by the bidirectional energy-storage inverter module and realizes to institute
The monitoring of 203 working condition of bidirectional energy-storage inverter module is stated, further, the central control unit 2011 passes through bidirectional energy-storage
Inverter communication line 208 is connect with the bidirectional energy-storage inverter module 203, to realize to the bidirectional energy-storage inverter module 203
The monitoring of working condition, and the working condition is transferred to the central control unit 203.
Further, the utility model further includes onsite alarming indicating unit 209, the onsite alarming indicating unit 209
It is connect with the central control unit.
The monitoring control module 201 realizes Centralizing inspection management, ensure that the safety of the system application of platform at sea
Property and stability.
Further, the central control unit 2011 is realized by the major network monitoring unit 2013 to major network system shape
The monitoring of state, and the parameters such as the switch state of major network panel switches 104 and the major network voltage of the major network system, phase are passed
It is defeated by the central control unit 2011.When the parameters such as the major network voltage of the major network system are normal, the energy-storage module 202 is just
Often charging, when abnormal parameters such as the voltages of the major network state, the major network panel switches 104 are disconnected, and the center control is single
Member 2011 detects that the major network panel switches 104 disconnect, and changes the working condition of the bidirectional energy-storage inverter module 203, makes
It obtains the energy-storage module 202 and is powered by the bidirectional energy-storage inverter module 203 to low-voltage bus bar row 102, the energy storage
Module 201 provides alternating current to low-voltage bus bar row 102 by the energy storage inverter module 203.When the power energy storage system
It is female for the low pressure automatically into energy-storage system power supply state when the 200 detection major network system 100 of system occurs abnormal
Line arranges the power supply of 102 loads, and low-voltage bus bar row's user's end load is transferred to energy-storage module 202, shares the major network system by moment
100 sub-load keeps the stability of the major network system.
Meanwhile the central control unit 2011 is realized by the energy storage monitoring unit 2012 to the energy-storage module
202 monitoring, realize to the energy storage battery discharge/charge voltage of the energy storage battery group 2021, discharge/charge electric current, environment temperature and
The monitoring of the parameters such as battery temperature, and to parameters such as end voltage, euqalizing current and the capacitance temperatures of super capacitor group 2022
Monitoring, and above-mentioned parameter is transferred to the central control unit 2011.The central control unit 2011 is upper by what is received
Parameter is stated to be compared with preset standard parameter range, when above-mentioned parameter occurs abnormal, the central control unit 2011
The onsite alarming indicating unit 209 is controlled to alarm.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Finally, it should be noted that obviously, above-described embodiment is merely examples for clearly illustrating the present invention,
And it does not limit the embodiments.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And thus
Changes and variations that derived from still in the protection scope of the utility model among.
Claims (5)
1. a kind of offshore platform electric energy storing system, the electric energy storing system are connect with major network system, the major network system
System includes high voltage bus row, low-voltage bus bar row, the transformer being connected between the high voltage bus row and low-voltage bus bar row
And the major network panel switches between the connection transformer and voltage bus row, it is characterised in that: the power energy storage
System includes:
Monitor control module；
With the energy-storage module that connect of monitoring control module, the energy-storage module for realizing electric energy storage and release；
Bidirectional energy-storage inverter module, bidirectional energy-storage inverter module one end are connect with the monitoring control module, and the other end is logical
It crosses a normally closed switch and low-voltage bus bar row connects, the bidirectional energy-storage inverter module realizes energy-storage module direct current and low pressure
Bi-directional conversion between bus bar alternating current；
The monitoring control module is connect with major network panel switches and major network transformer secondary respectively, is realized to major network panel switches
With the status monitoring of major network transformer secondary, and the bidirectional energy-storage inversion is controlled according to the state of the major network panel switches
The working condition of module.
2. offshore platform electric energy storing system according to claim 1, it is characterised in that: the energy-storage module includes
The super capacitor group that the energy storage battery group and multiple groups that multiple groups are arranged in parallel are arranged in parallel, the energy storage battery group include multiple series connection
The energy storage battery and current transformer of connection；The super capacitor group includes the super capacitor of multiple series connections.
3. offshore platform electric energy storing system according to claim 1 or 2, it is characterised in that: the monitoring control
Module includes central control unit and the energy storage monitoring unit connecting respectively with the central control unit, major network monitoring unit
And bidirectional energy-storage inverter module monitors control unit；Switch state of the major network monitoring unit to the major network panel switches
And the parameters such as the major network voltage of the major network transformer secondary, phase, and by the switch state of major network panel switches and institute
It states the parameters such as major network voltage, the phase of major network transformer secondary and is transferred to the central control unit；The bidirectional energy-storage inversion
Monitoring of the module monitors control unit to the bidirectional energy-storage inverter module working condition, and the working condition is transferred to described
Central control unit；The energy storage monitoring unit is monitored the information about power and working condition of the energy-storage module, and
The information about power of the energy-storage module and working condition are transferred to the central control unit.
4. offshore platform electric energy storing system according to claim 3, it is characterised in that: the electric energy storing system
It further include onsite alarming indicating unit, the onsite alarming indicating unit is connect with the central control unit.
5. offshore platform electric energy storing system according to claim 1, it is characterised in that: the electric energy storing system
Integrated installation is convenient for independent ventilation and safety monitoring in closing in independent electric energy storing system compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498940.1U CN208209635U (en) | 2018-04-09 | 2018-04-09 | A kind of offshore platform electric energy storing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498940.1U CN208209635U (en) | 2018-04-09 | 2018-04-09 | A kind of offshore platform electric energy storing system |
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| CN208209635U true CN208209635U (en) | 2018-12-07 |
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| CN201820498940.1U Active CN208209635U (en) | 2018-04-09 | 2018-04-09 | A kind of offshore platform electric energy storing system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636321A (en) * | 2021-03-10 | 2021-04-09 | 东营市汉德自动化集成有限公司 | Direct-current transmission power system of petroleum drilling machine |
| CN113193550A (en) * | 2021-04-10 | 2021-07-30 | 中国海洋石油集团有限公司 | Integrated energy storage system of offshore oil platform, battery unit and control method thereof |
-
2018
- 2018-04-09 CN CN201820498940.1U patent/CN208209635U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112636321A (en) * | 2021-03-10 | 2021-04-09 | 东营市汉德自动化集成有限公司 | Direct-current transmission power system of petroleum drilling machine |
| CN113193550A (en) * | 2021-04-10 | 2021-07-30 | 中国海洋石油集团有限公司 | Integrated energy storage system of offshore oil platform, battery unit and control method thereof |
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