CN108206531A - Circuit and middle buckling stream case applied to energy storage frequency modulation system - Google Patents
Circuit and middle buckling stream case applied to energy storage frequency modulation system Download PDFInfo
- Publication number
- CN108206531A CN108206531A CN201711465257.4A CN201711465257A CN108206531A CN 108206531 A CN108206531 A CN 108206531A CN 201711465257 A CN201711465257 A CN 201711465257A CN 108206531 A CN108206531 A CN 108206531A
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- Prior art keywords
- energy storage
- connect
- switchgear
- frequency modulation
- modulation system
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Classifications
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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses a kind of circuit applied to energy storage frequency modulation system and middle buckling stream case, wherein, it should be applied to the circuit of energy storage frequency modulation system, including incoming line cabinet, switchgear, double dual low voltage transformers, 4 energy accumulation current converters and 4 energy storage battery systems；Double dual low voltage transformers include high-tension winding group and two low pressure coiling groups, high-tension winding group is connect with switchgear, switchgear is connect with incoming line cabinet, incoming line cabinet is electrically connected with bus bar side, each low pressure coiling group connects two energy accumulation current converters in parallel, each energy accumulation current converter connects an energy storage battery system.The present invention only needs a double dual low voltage transformers and a switchgear, reduces the quantity of required transformer and required switchgear, had both reduced production cost and maintenance cost is excessively high, and also reduced equipment failure rate.
Description
Technical field
The present invention relates to distribution network technology field more particularly to a kind of circuit applied to energy storage frequency modulation system and middle bucklings
Flow case.
Background technology
If desired existing energy storage frequency modulation system keeps energy accumulation current converter and each 4 sets of energy storage battery system, then needs 4 sets
Switchgear and 4 sets of transformers.Therefore, the quantity of required transformer and the quantity of required switchgear are excessive, can both lead to energy storage
The production cost and maintenance cost of frequency modulation system are excessively high, also result in the promotion of equipment failure rate.
Invention content
The purpose of the present invention is to provide a kind of circuit applied to energy storage frequency modulation system and middle buckling stream casees, existing to solve
Some energy storage frequency modulation systems, production cost and maintenance cost are excessively high and the problem of equipment failure rate is excessively high.
To solve the above-mentioned problems, the present invention provides a kind of circuit applied to energy storage frequency modulation system, including inlet wire
Cabinet, switchgear, double dual low voltage transformers, 4 energy accumulation current converters and 4 energy storage battery systems；Double dual low voltage transformers include height
Pressure coiling group and two low pressure coiling groups, high-tension winding group are connect with switchgear, and switchgear is connect with incoming line cabinet, incoming line cabinet and mother
Line side is electrically connected, each low pressure coiling group connects two energy accumulation current converters in parallel, each energy accumulation current converter connection one
A energy storage battery system.
As a further improvement on the present invention, the electric current that switchgear includes isolation circuit breakers and connect with isolation circuit breakers is mutual
Sensor, isolation circuit breakers are connect with incoming line cabinet, and current transformer is connect with high-tension winding group.
As a further improvement on the present invention, switchgear further includes the first display module, a termination of the first display module
Ground, the other end of the first display module are connect with current transformer one end.
As a further improvement on the present invention, switchgear further includes grounding switch, one end ground connection of grounding switch, earthing
The other end of lock is connect with current transformer one end.
As a further improvement on the present invention, incoming line cabinet includes inlet interface and the disconnecting switch being connect with inlet interface,
Inlet interface is connect with bus bar side, and disconnecting switch is connect with isolation circuit breakers.
As a further improvement on the present invention, incoming line cabinet further includes the second display module, a termination of the second display module
Ground, the other end of the second display module are connect with disconnecting switch one end.
As a further improvement on the present invention, incoming line cabinet further includes voltage transformer and arrester, a termination of arrester
Ground, the other end of arrester are connect with disconnecting switch one end, and voltage transformer is connect with disconnecting switch one end.
To solve the above-mentioned problems, the present invention also provides a kind of middle buckling stream case applied to energy storage frequency modulation system,
Using above application in the circuit of energy storage frequency modulation system；Middle buckling stream case applied to energy storage frequency modulation system includes what is set gradually
First Room, second Room and third room, the first Room setting incoming line cabinet, switchgear and switch board, switch board respectively with switchgear, inlet wire
Cabinet connects, and incoming line cabinet is connect with bus bar side, and switchgear is connect with incoming line cabinet, the double dual low voltage transformers of second Room setting, double divisions
Formula transformer includes high-tension winding group and 2 low pressure coiling groups, switchgear are connect with high-tension winding group, and third room sets 4 storages
Energy current transformer, each low pressure coiling group are connected in parallel 2 energy accumulation current converters.
As a further improvement on the present invention, the first Room sets at least one air duct and a cleaning door, second Room setting
At least one air duct and a cleaning door, third room set at least one air duct and a cleaning door.
As a further improvement on the present invention, the length range of width be 2400-2450mm, the length of the first Room length
Ranging from 3450-3480mm, the length range of second Room length is 2360-2380mm, and the length range of third room length is
3270-3290mm。
The present invention maximum can support 2 exchange side parallel technologies using double dual low voltage transformers, and using energy accumulation current converter,
Therefore, each low pressure coiling group of double dual low voltage transformers can 2 energy accumulation current converters in parallel, so as to utilize this case application
In the circuit of energy storage frequency modulation system, it is only necessary to a double dual low voltage transformers and a switchgear, reduce needed for transformer and
The quantity of required switchgear, had both reduced production cost and maintenance cost is excessively high, also reduced equipment failure rate.
Description of the drawings
Fig. 1 is the electrical block diagram of circuit one embodiment that the present invention is applied to energy storage frequency modulation system；
Fig. 2 is the parameter list that the present invention is applied to isolation circuit breakers in the circuit of energy storage frequency modulation system；
Fig. 3 is the parameter list that the present invention is applied to switchgear in the circuit of energy storage frequency modulation system；
Fig. 4 is the structure diagram of middle buckling stream case one embodiment that the present invention is applied to energy storage frequency modulation system.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used to limit the present invention.
Fig. 1 illustrates one embodiment that the present invention is applied to the circuit of energy storage frequency modulation system.In the present embodiment, it should answer
Include incoming line cabinet 1, switchgear 2,3,4 energy accumulation current converters 4 of double dual low voltage transformers and 4 for the circuit of energy storage frequency modulation system
Energy storage battery system 5.
Wherein, double dual low voltage transformers 3 include high-tension winding group 31 and two low pressure coiling groups 32, high-tension winding group 31 with
Switchgear 2 connects, and switchgear 2 is connect with incoming line cabinet 1, and incoming line cabinet 1 is electrically connected with bus bar side, each low pressure coiling group 32 connects
Two energy accumulation current converters 4 in parallel are connect, each energy accumulation current converter 4 connects an energy storage battery system 5.
Specifically, the parameter of double dual low voltage transformers 3 is as follows：
A. capacity：High-pressure side：2500kVA/ low-pressure sides：2*1250kVA
B. bus bar side voltage:10kV
C. high-pressure side rated voltage：10kV
D. low-pressure side rated voltage：2x0.4kV
E. rated frequency：50Hz
F. impedance voltage：6%
G. transformer voltage ratio：10kV ± 2*2.5%
H. couple deck label：Dy11y11
I. voltage regulating mode：Non-excitation pressure adjustment
J. the type of cooling：AF
K. the class of insulation：F grades (maximum temperaturerise 100K, 155 DEG C of temperature extremes)
L. noise level：<55dB
M. material:Full copper
The present embodiment maximum can support 2 exchange side parallel connection skills using double dual low voltage transformers, and using energy accumulation current converter
Art, therefore, each low pressure coiling groups of double dual low voltage transformers can 2 energy accumulation current converters in parallel, so as to utilize this case
Circuit applied to energy storage frequency modulation system, it is only necessary to which a double dual low voltage transformers and a switchgear reduce required transformation
The quantity of device and required switchgear, had both reduced production cost and maintenance cost is excessively high, also reduced equipment failure rate.
In order to promote 3 security performance of double dual low voltage transformers, on the basis of above-described embodiment, in other embodiment, open
It closes cabinet 2 and includes isolation circuit breakers 21 and the current transformer 22 being connect with isolation circuit breakers 21, isolation circuit breakers 21 and incoming line cabinet 1
Connection, current transformer 22 are connect with high-tension winding group 31.Specifically, the parameter of the present embodiment isolation circuit breakers 21 is referring to Fig. 2.
In order to further enhance user's usage safety performance, on the basis of above-described embodiment, in other embodiment, switch
Cabinet 2 further includes the first display module 23, one end ground connection of the first display module 23, the other end and electric current of the first display module 23
22 one end of mutual inductor connects.
It should be noted that the first display module 23 in the present embodiment includes the first capacitance and the first luminescent device.This
Embodiment is worked by setting the first capacitance to avoid the first luminescent device under moment strong voltage or moment heavy current, so as to
Improve the service life of the first display module.
The present embodiment is by setting the first display module, so that user is by the display situation of the first display module, quickly
Know whether double dual low voltage transformers 3 charge, so as to improve usage safety performance.
In order to further enhance maintenance safety performance, on the basis of above-described embodiment, in other embodiment, switchgear 2
Grounding switch 24, one end ground connection of grounding switch 24 are further included, the other end and 22 one end of current transformer of grounding switch 24 connect
It connects.
The present embodiment is by setting grounding switch, during so as to user maintenance, disconnecting circuit, so as to promote the safety of maintenance
Energy.Specifically, the switch cabinet parameter of the present embodiment is referring to Fig. 3.
In order to further enhance user's usage safety performance, on the basis of above-described embodiment, in other embodiment, inlet wire
Cabinet 1 includes inlet interface 11 and the disconnecting switch 12 being connect with inlet interface 11, and inlet interface 11 connect with bus bar side, keeps apart
12 are closed to connect with isolation circuit breakers 21.
On the basis of above-described embodiment, in other embodiment, incoming line cabinet 1 further includes the second display module 13, and second is aobvious
Show one end ground connection of component 13, the other end of the second display module 13 is connect with 12 one end of disconnecting switch.
It should be noted that the second display module 13 in the present embodiment includes the second capacitance and the second luminescent device.This
Embodiment is worked by setting the second capacitance to avoid the second luminescent device under moment strong voltage or moment heavy current, so as to
Improve the service life of the second display module.
On the basis of above-described embodiment, in other embodiment, incoming line cabinet 1 further includes voltage transformer 14 and arrester
15, one end ground connection of arrester 15, the other end of arrester 15 is connect with 12 one end of disconnecting switch, and voltage transformer 14 is with being isolated
Switch the connection of 12 one end.
The present embodiment further improves the usage safety performance of the circuit by setting voltage transformer and arrester.
Fig. 4 illustrates one embodiment that the present invention is applied to the middle buckling stream case of energy storage frequency modulation system.In the present embodiment
In, above application should be used in the circuit of energy storage frequency modulation system applied to the middle buckling stream case of energy storage frequency modulation system.Further,
The middle buckling stream case for being applied to energy storage frequency modulation system includes the first Room 30, second Room 31 and the third room 32 that set gradually, the
One Room 30 setting incoming line cabinet 301, switchgear 302 and switch board 303, switch board 303 connect respectively with switchgear 302, incoming line cabinet 301
It connects, incoming line cabinet 301 is connect with bus bar side, and switchgear 302 is connect with incoming line cabinet 301, and second Room 31 sets double dual low voltage transformers
310, double dual low voltage transformers 310 include high-tension winding group and 2 low pressure coiling groups, switchgear 302 are connect with high-tension winding group,
Third room 32 sets 4 energy accumulation current converters 320, each low pressure coiling group is connected in parallel 2 energy accumulation current converters 320.
On the basis of above-described embodiment, in other embodiment, the first Room 30 sets at least one air duct 304 and a work
Make door 305, second Room 31 sets at least one air duct 311 and a cleaning door 312, and third room 32 sets at least one air duct
321 and a cleaning door 322.
On the basis of above-described embodiment, in other embodiment, the length range of width is 2400-2450mm, first
The length range of 30 length of room is 3450-3480mm, and the length range of 31 length of second Room is 2360-2380mm, third room 32
The length range of length is 3270-3290mm.
The present embodiment is on the basis of a transformer and a switchgear is only needed, to the first Room, second Room and third
The size of room redesigns, so that the size of middle buckling stream case designed is within 30 rulers, so as to use 30 ruler collection
Vanning is transported, lifted and is put, and so as to both reduce transportation cost, also reduces risk in transit.
The specific embodiment of invention is described in detail above, but it is only used as example, the present invention is not intended to limit
With specific embodiments described above.For a person skilled in the art, any equivalent modifications carried out to the invention
Or substitute also all among scope of the invention, therefore, the equalization made in the case where not departing from the spirit and principles in the present invention range
Transformation and modification, improvement etc., all should be contained within the scope of the invention.
Claims (10)
1. a kind of circuit applied to energy storage frequency modulation system, which is characterized in that it includes incoming line cabinet, switchgear, double Split types and becomes
Depressor, 4 energy accumulation current converters and 4 energy storage battery systems；Double dual low voltage transformers include high-tension winding group and two low
Coiling group is pressed, the high-tension winding group is connect with the switchgear, and the switchgear is connect with the incoming line cabinet, the incoming line cabinet
It is electrically connected with bus bar side, each described low pressure coiling group connects two energy accumulation current converters in parallel, each described energy storage
Current transformer connects an energy storage battery system.
2. the circuit according to claim 1 applied to energy storage frequency modulation system, which is characterized in that the switchgear include every
The current transformer being connect from breaker and with the isolation circuit breakers, the isolation circuit breakers are connect with the incoming line cabinet, institute
Current transformer is stated to connect with the high-tension winding group.
3. the circuit according to claim 2 applied to energy storage frequency modulation system, which is characterized in that the switchgear further includes
First display module, one end ground connection of first display module, the other end and the electric current of first display module are mutual
Sensor one end connects.
4. the circuit according to claim 2 applied to energy storage frequency modulation system, which is characterized in that the switchgear further includes
Grounding switch, one end ground connection of the grounding switch, the other end of the grounding switch are connect with described current transformer one end.
5. the circuit according to claim 2 applied to energy storage frequency modulation system, which is characterized in that the incoming line cabinet include into
Line interface and the disconnecting switch being connect with the inlet interface, the inlet interface is connect with the bus bar side, described to keep apart
Pass is connect with the isolation circuit breakers.
6. the circuit according to claim 5 applied to energy storage frequency modulation system, which is characterized in that the incoming line cabinet further includes
Second display module, one end ground connection of second display module, the other end of second display module are kept apart with described
Close one end connection.
7. the circuit according to claim 5 applied to energy storage frequency modulation system, which is characterized in that the incoming line cabinet further includes
Voltage transformer and arrester, one end ground connection of the arrester, the other end of the arrester and described disconnecting switch one end
Connection, the voltage transformer are connect with described disconnecting switch one end.
8. a kind of middle buckling stream case applied to energy storage frequency modulation system, which is characterized in that it is used described in one of claim 1-7
The circuit applied to energy storage frequency modulation system；The middle buckling stream case applied to energy storage frequency modulation system includes set gradually the
One Room, second Room and third room, first Room setting incoming line cabinet, switchgear and switch board, the switch board respectively with it is described
Switchgear, incoming line cabinet connection, the incoming line cabinet are connect with bus bar side, and the switchgear is connect with the incoming line cabinet, described
The double dual low voltage transformers of second Room setting, double dual low voltage transformers include high-tension winding group and 2 low pressure coiling groups, described
Switchgear is connect with the high-tension winding group, and the third room sets 4 energy accumulation current converters, each low pressure coiling group parallel connection connects
Connect 2 energy accumulation current converters.
9. the middle buckling stream case according to claim 8 applied to energy storage frequency modulation system, which is characterized in that first Room
At least one air duct and a cleaning door are set, and the second Room sets at least one air duct and a cleaning door, the third
Room sets at least one air duct and a cleaning door.
10. the middle buckling stream case according to claim 8 applied to energy storage frequency modulation system, which is characterized in that its width
Length range is 2400-2450mm, and the length range of first Room length is 3450-3480mm, the second Room length
Length range is 2360-2380mm, and the length range of third room length is 3270-3290mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465257.4A CN108206531A (en) | 2017-12-28 | 2017-12-28 | Circuit and middle buckling stream case applied to energy storage frequency modulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465257.4A CN108206531A (en) | 2017-12-28 | 2017-12-28 | Circuit and middle buckling stream case applied to energy storage frequency modulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108206531A true CN108206531A (en) | 2018-06-26 |
Family
ID=62604885
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465257.4A Pending CN108206531A (en) | 2017-12-28 | 2017-12-28 | Circuit and middle buckling stream case applied to energy storage frequency modulation system |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108988371A (en) * | 2018-07-13 | 2018-12-11 | 深圳市科陆电子科技股份有限公司 | Energy management-control method, device, storage medium and the system of user side energy-storage system |
| CN109616904A (en) * | 2018-10-25 | 2019-04-12 | 深圳市科陆电子科技股份有限公司 | Increasing apparatus and energy storage container equipment for energy storage container equipment |
| CN109638679A (en) * | 2019-01-07 | 2019-04-16 | 深圳市科陆电子科技股份有限公司 | Energy storage container |
| CN111123031A (en) * | 2019-12-18 | 2020-05-08 | 国网湖北省电力有限公司宜昌供电公司 | Fault detection method, low-voltage energy storage pre-operation set device, controller and system |
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Application publication date: 20180626 |
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