CN108155590A - A kind of intelligent modularized change - Google Patents
A kind of intelligent modularized change Download PDFInfo
- Publication number
- CN108155590A CN108155590A CN201611102561.8A CN201611102561A CN108155590A CN 108155590 A CN108155590 A CN 108155590A CN 201611102561 A CN201611102561 A CN 201611102561A CN 108155590 A CN108155590 A CN 108155590A
- Authority
- CN
- China
- Prior art keywords
- transformer
- low
- voltage
- oil
- intelligent
- 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.)
- Pending
Links
- 230000008859 change Effects 0.000 title claims abstract description 46
- 238000009826 distribution Methods 0.000 claims abstract description 49
- 230000002146 bilateral effect Effects 0.000 claims description 28
- 238000007654 immersion Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 238000009413 insulation Methods 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000010354 integration Effects 0.000 description 4
- 230000001012 protector Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000013401 experimental design Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B7/00—Enclosed substations, e.g. compact substations
- H02B7/06—Distribution substations, e.g. for urban network
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H02J13/0006—
-
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Abstract
The invention discloses a kind of intelligent modularized changes, it includes high voltage unit, transformer unit and low voltage unit, the low voltage unit includes low-voltage distribution unit and intelligent unit, this intelligent modularized change further includes housing, transformer room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber are equipped in the housing, transformer unit is placed in the transformer room, and low voltage unit is placed in the low-pressure chamber, and each device of high voltage unit is placed in hyperbaric chamber and transformer room.This intelligent modularized change it is small, transport and install very convenient.
Description
Technical field
The invention belongs to power transmission and transformation, distribution technique fields, and in particular to one kind can be applied to rural area distribution and city low pressure
Intelligent modularized change of distribution.
Background technology
At present, rural power grids and city low-voltage distribution network 10kV taiwan areas are usually by falling fuses, arrester, transformer body, change
The components such as depressor comprehensive distribution cabinet (JP cabinets), accessory kit form.And above-mentioned component is respectively independent by different manufacturers
Installing, in-site installation equipment is more, and install debug time is long, and more using angle bar, cross-arm, anchor ear, ironware attachment, high and low
The exposed position of laminate section is more, and power distribution station failure rate is more so that operational management is inconvenient, the equipment for needing high-altitude operation and maintenance
More, heavy workload, the time is long, and component is more, and cabling is random, and installation is complicated and influences power supply reliability.
Also, existing rural power grids and city low-voltage distribution network power distribution station equipment need to respectively carry out in-site installation, and component scene is spelled
Dress and connection, field adjustable, live sub-unit are tested, and existing security risk is more.In addition, the device configuration of taiwan area is more
Sample, function are single, without information collection, realize the distributing transformer monitoring power distribution monitoring device unified with protection, electrical energy measurement,
Lack and timely and effectively management, power load control are carried out to power distribution station.Taiwan area operation and maintenance need to send special messenger, be equipped with special set
Standby, specific purpose tool, the accident taiwan area of going are checked, field assay cause of accident, and on-site maintenance is extremely inefficient.With chemurgy
The process of construction is gradually accelerated, and the diversification power supply environment of existing rural power grids and city low-voltage distribution network power distribution station is with greater need for automation
Management means, above-mentioned condition do not adapted to the needs of Economic Development.
Invention content
The technical problems to be solved by the invention be according to deficiencies of the prior art, provide it is a kind of it is small,
Transport and easy for installation intelligent modularized change.
Technical solution is that this intelligent modularized change includes high voltage unit, transformation used by solving present invention problem
Device unit and low voltage unit, the low voltage unit include low-voltage distribution unit and intelligent unit, wherein, this intelligent modularized
Change further includes housing, is equipped with transformer room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber in the housing, becomes
Depressor unit is placed in the transformer room, and low voltage unit is placed in the low-pressure chamber, and each device of high voltage unit is placed in height
In pressure chamber and transformer room.
Preferably, it is additionally provided with bilateral casing in the hyperbaric chamber, the high pressure lead-in of the transformer in transformer unit
It is connected by the bilateral casing with high-tension cable, the high-voltage arrester in the high voltage unit uses elbow-type arrester, the elbow
Type arrester is set on connector at the one of the bilateral casing, and another place's connector of bilateral casing introduces the high-tension cable.
It may further be preferable that the bilateral casing uses two groups, one end of one group of bilateral casing is connected with high-tension cable,
Its other end is connected with the high pressure lead-in of transformer, one end of another group of bilateral casing and the high pressure lead-in phase of transformer
Even, the other end is connected with the end of incoming cables of external electric equipment.
Preferably, the distribution transformer in the transformer unit uses oil-immersed transformer, the oil-immersed transformer
Including oil tank of transformer and transformer body, oil tank of transformer is set on filled with transformer oil, transformer body in oil tank of transformer
In, for the high voltage load switch in high voltage unit using oil-immersed load switch, high-tension fuse includes oil immersion plug-in type high-voltage fuse
Disconnected device and oil-immersed limiting fuse, the oil-immersed load switch and oil-immersed limiting fuse are set on the change of oil tank of transformer
In depressor oil, one end of the oil immersion plug-in type high-tension fuse is inserted into oil tank of transformer, and the other end extend out to high pressure
In room, the end of incoming cables of oil-immersed load switch is connected with the high-tension cable, and leading-out terminal and the oil immersion of oil-immersed load switch are inserted
The end of incoming cables for entering formula high-tension fuse is connected, the leading-out terminal of oil immersion plug-in type high-tension fuse and oil-immersed limiting fuse into
Line end is connected, and the leading-out terminal of oil-immersed limiting fuse is connected with the high pressure end of incoming cables of oil-immersed transformer.
Preferably, the high voltage unit has further included pressure relief valve, and the pressure relief valve is set on oil tank of transformer
Tank wall on, pressure relief valve be used for when oil-immersed transformer occur short trouble when release oil tank of transformer in gas pressure
Power.
It is further preferred that the intelligence unit includes low-voltage intelligent leakage switch and low-voltage intelligent capacitance, the low pressure
Intelligent capacitor and low-voltage intelligent leakage switch wireless connection, in hanging net operation, low-voltage intelligent leakage switch is according to inputting in it
The IP address of low-voltage intelligent capacitance judge the three-phase load unbalance rate of circuit, and instruction is sent out extremely according to judging result
The low-voltage intelligent capacitance, low-voltage intelligent capacitance according to described instruction carry out automatic compensation and it is counter send to the circuit, so as to complete
The three-phase load unbalance of circuit is adjusted.
Preferably, the low-voltage distribution unit includes fuse disconnecting switch, the distribution transformer in transformer unit
The low-pressure line-outgoing end of device is connected with the end of incoming cables of fuse disconnecting switch, leading-out terminal and the low pressure intelligence of fuse disconnecting switch
The end of incoming cables of energy leakage switch is connected, and the leading-out terminal of low-voltage intelligent leakage switch is connected with subscriber's drop.
Preferably, low voltage conductive bar is additionally provided in the low-pressure chamber, the end of incoming cables of the fuse disconnecting switch leads to
Low voltage conductive bar is crossed with the low-pressure line-outgoing end of distribution transformer to be connected.
Preferably, the low-pressure chamber, transformer room and hyperbaric chamber are in modular mesh set up of character patt ern in housing.
Intelligent modularized of the present invention, which becomes, has that small, operation and maintenance are reliable, at low cost, whole Transporting and in-site installation
The advantages that very convenient.Advantage is specific as follows：
1st, the intelligent unit in this intelligent modularized change includes low-voltage intelligent leakage switch and low-voltage intelligent capacitance, and
It is wireless connection between low-voltage intelligent capacitance and low-voltage intelligent leakage switch so that the peace of each component in the intelligence unit
The space of compressible entire low-pressure chamber is filled, thus space is more saved in the installation of each component in more traditional intelligent unit, and
Reduce the tie point of secondary line, make connection compacter；Also, the intelligence unit can save traditional taiwan area low-voltage comprehensive
The mixed and disorderly mode of connection and control model inside controller switching equipment, need to only carry out low-voltage intelligent leakage switch and low-voltage intelligent capacitance
Wireless connection, and secondary connection is eliminated, so as to greatly simplifie the design of intelligent unit and manufacture, maintenance also becomes ten
Divide simply, and since the tie point of each component in intelligent unit is reduced, reliability improves, equipment power dissipation few using material
It is low, there is very significant energy-saving effect.
2nd, the high voltage unit in this intelligent modularized change is using oil-insulation mode, oil-immersed load switch setting therein
In transformer oil, transformer oil is made to evaporate and decompose by using arc energy and generate gas, so as to cool down electric arc
And extinguish.This oil-insulation mode compared to using air insulation mode (on-load switch therein use vacuum load switch) and
Speech can reduce the volume of high voltage unit, and (its structure is similar to vacuum circuit breaker, only contact material for vacuum load switch
It is different) it is to extinguish electric arc in a vacuum.For example, the platform of 10kV becomes electrical safety distance of the system in transformer oil as 20mm,
And aerial electrical safety distance is then 125mm, it is seen then that high voltage unit uses oil-insulation mode, can effectively reduce entire
The appearance and size of equipment further saves the inner space that platform becomes, so as to reduce the overall volume of platform change so that platform becomes internal each
It is compacter between a unit.In addition, production cost, a current oil-immersed load switch can also be reduced using oil-insulation mode
Market price be about 800 yuan or so, and the market price of a vacuum load switch is at 5000 yuan or so, it is seen that using oil immersed type
On-load switch is more economically practical.
3rd, low-pressure chamber, transformer room and the hyperbaric chamber in this intelligent modularized change are in modular mesh font in housing
Setting, i.e., transformer room is in an intermediate position, and the both sides of transformer room are respectively hyperbaric chamber and low-pressure chamber, and this arrangement makes
Opening door operation can be realized by obtaining hyperbaric chamber and low-pressure chamber, can it be overhauled and be safeguarded respectively.
Description of the drawings
Fig. 1 is the shape stereogram of intelligent modularized change in the embodiment of the present invention 1；
Fig. 2 a are the structural front views of intelligent modularized change in the embodiment of the present invention 1；
Fig. 2 b are the right views of Fig. 2 a；
Fig. 2 c are the left views of Fig. 2 a；
Fig. 3 is the intelligent modularized structural front view become inside middle casing in the embodiment of the present invention 1, the A-A for being Fig. 2 c
View；
Fig. 4 is the vertical view of Fig. 3；
Fig. 5 is the structure diagram of the low-pressure chamber of intelligent modularized change in the embodiment of the present invention 1, and the B-B for Fig. 2 a is regarded
Figure；
Fig. 6 is the structure diagram in the hyperbaric chamber of intelligent modularized change in the embodiment of the present invention 1, and the D-D for Fig. 2 a is regarded
Figure；
Fig. 7 is the circuit diagram of 1 mesohigh looped network function two states of the embodiment of the present invention.
In figure：1- hyperbaric chambers 2- transformer rooms 3- low-pressure chamber 4- low pressure connecting copper bar 5- low-voltage cable 6- transformer sheets
Body 7- high-tension cable 8- high-voltage connection 9- oil-immersed limiting fuse 10- pressure relief valve 11- pressure vacuum gauges 12- oil
Temperature meter 13- fuel feeding valve 14- oil level indicator 15- oil-immersed load switch 16- elbow-type arrester 17- bilateral casings 18- is without excitation
Tap switch 19- oil immersion plug-in type high-tension fuse 20- breaker of plastic casing 21- fuse disconnecting switch 22- low pressure is led
Electric pole 23- low-voltage intelligent leakage switch 24- low-voltage intelligent capacitance 25- capacitance compensation line switching 26- Surge Protectors
27- low pressure kilowatt-hour meters 28- power supply load-control equipments
Specific embodiment
With reference to the attached drawing in the present invention, clear, complete description is carried out to technical scheme of the present invention, it is clear that under
Face described embodiment is the part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiments obtained under the premise of creative work is not made all belong to
In the scope of protection of the invention.
The intelligent modularized change of the present invention includes high voltage unit, transformer unit and low voltage unit, the low voltage unit
Including low-voltage distribution unit and intelligent unit, wherein, this intelligent modularized change further includes housing, is equipped with and becomes in the housing
Depressor room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber, transformer unit is placed in the transformer room, low
Pressure unit is placed in the low-pressure chamber, and each device of high voltage unit is placed in hyperbaric chamber and transformer room.
Embodiment 1：
A kind of intelligent modularized change is provided for low-voltage power distribution station area in the present embodiment, main application is in transformer high-voltage
The open air mounting of side joint line and high-tension apparatus (including high voltage load switch, arrester, insulator etc.) need to carry out the field of outdoor installation
Institute is specifically applicable in rural area distribution and city low-voltage distribution network, for example, suitable for rural area and urban power distribution network 630kVA and with
Under column on installation and Pedestal mounted Standardization Construction and transformation.
In the present embodiment, as shown in Figure 1, Figure 2 a, Fig. 2 b, Fig. 2 c, shown in Fig. 3, Fig. 4, this intelligent modularized change includes high pressure
Unit, transformer unit and low voltage unit, wherein low voltage unit include low-voltage distribution unit and intelligent unit, the intelligent object
Change platform change and further included housing, transformer room 2 and the low-pressure chamber 3 and height that are wholely set with transformer room are equipped in the housing
Pressure chamber 1.In the present embodiment, the low-pressure chamber 3, transformer room 2 and hyperbaric chamber 1 are set gradually in housing, and three is in module
The mesh set up of character patt ern of change, i.e. transformer room 2 are in an intermediate position, and low-pressure chamber 3 and hyperbaric chamber are divided into the both sides of transformer room 2.
Wherein, transformer unit is placed in the transformer room, and low-voltage distribution unit and intelligent unit are placed in the low-pressure chamber, high
Each device of press-fitting electric unit is placed in hyperbaric chamber and transformer room.
In the present embodiment, it is equipped on the side of hyperbaric chamber and not adjacent with the transformer room side of low-pressure chamber openable and closable
Cabinet door, by opening cabinet door, so as to enter in hyperbaric chamber or low-pressure chamber, to facilitate the subsequent maintenance of the equipment.
High voltage unit, transformer unit and low voltage unit in becoming due to this intelligent modularized are in housing, from
And this intelligent modularized can be made to become collection and be combined into an entirety, that is, an intelligent modularized change is formed, so as to by high pressure list
Member, transformer unit and low voltage unit carry out integrated module design, a second interface standardized designs, meet interchangeability i.e.
The requirement of plug-and-play can carry out complete machine and manufacture experimental design, meet whole Transporting, installation and maintenance requirement.
As shown in figure 3, distribution transformer is mainly included in transformer unit.In the present embodiment, the distribution transformer
Using oil-immersed transformer (S11 types oil-immersed transformer specifically can be used), which is set in transformer room, institute
It states oil-immersed transformer and includes oil tank of transformer and transformer body 6, filled with transformer oil, transformer body in oil tank of transformer
6 are set in the transformer oil of oil tank of transformer.
As shown in fig. 6, in the present embodiment, high voltage unit mainly includes：Pressure vacuum gauge 11, oil thermometer 12, fuel feeding valve
13rd, the components such as oil level indicator 14, high voltage load switch, high-voltage arrester, off circuit tap changer 18, high-tension fuse.Wherein,
High voltage load switch and high-tension fuse are set in transformer room, other components are set in hyperbaric chamber.
Preferably, further included pressure relief valve 10 in the high voltage unit, pressure relief valve 10 be in hyperbaric chamber and
It is installed on the tank wall of oil tank of transformer, when short trouble occurs for oil-immersed transformer, pressure relief valve 10 can discharge change
Gas pressure in depressor fuel tank；And when oil-immersed transformer works normally, pressure relief valve 10 can keep transformer oil
It is isolated with extraneous air.Short trouble once occurs for oil-immersed transformer, and transformer winding will generate electric arc and spark, transformer
Oil generates a large amount of gases in moment, increases the pressure width inside oil tank of transformer, pressure relief valve 10 is inside oil tank of transformer
Gas pressure can discharge the gas pressure when reaching pressure release value, effect be make oil tank of transformer not reason pressure it is excessive and
Deform explosion.
Preferably, as shown in figure 3, in the present embodiment, the high voltage load switch in high voltage unit is opened using oil immersed type load
Close 15；High-tension fuse includes oil immersion plug-in type high-tension fuse 19 and oil-immersed limiting fuse 9.Oil-immersed load switch 15
It is set on oil-immersed limiting fuse 9 in the transformer oil of oil tank of transformer, one end of oil immersion plug-in type high-tension fuse 19 is inserted
Enter into the transformer oil of oil tank of transformer, the other end is extend out in hyperbaric chamber.The end of incoming cables of oil-immersed load switch and height
Voltage cable 7 is connected, and the leading-out terminal of oil-immersed load switch passes through the end of incoming cables of high-voltage connection and oil immersion plug-in type high-tension fuse
It is connected, the leading-out terminal of oil immersion plug-in type high-tension fuse is connected by high-voltage connection with the end of incoming cables of oil-immersed limiting fuse,
The leading-out terminal of oil-immersed limiting fuse is connected by high-voltage connection with the high pressure end of incoming cables of oil-immersed transformer.
In the present embodiment, since high-tension fuse is using oil immersion plug-in type high-tension fuse and oil-immersed limiting fuse
Series connection cooperation to provide protection to oil-immersed transformer, this is equivalent to be mounted with double insurance on transformer body so that
Protection is reliable, and easy to operate.Wherein, in the secondary side of oil-immersed transformer short circuit occurs for oil immersion plug-in type high-tension fuse 19
Just fusing when failure, overload and high oil temperature, and event only occurs inside oil-immersed transformer for oil-immersed limiting fuse 9
It is just acted during barrier, for protecting high-tension line, thus greatly reduces the trip-out rate of circuit and the failure rate of distribution transformer.
By high voltage load switch in this present embodiment using oil-immersed load switch, with preferable operational capacity,
Also load current can be cut off, while there is certain arc extinguishing ability, and using oil-insulation mode compared to using the prior art
In air insulation mode for, the appearance and size of whole equipment can be effectively reduced, the inner space that platform becomes is saved, so as to drop
The overall volume of low change makes compacter between each unit inside platform change.
In the present embodiment, oil-immersed load switch 15 uses four station load switchs, so as to which high voltage unit be made also to have height
Pressure ring net function.
Preferably, it is additionally provided with bilateral casing 17 in hyperbaric chamber, the high pressure lead-in of the transformer in transformer unit passes through
The bilateral casing is connected with high-tension cable 7, becomes totally enclosed insertion between equipment and external high pressure power supply so as to fulfill this
Connection.Specifically, be by high-tension cable 7 pass through bilateral casing one at joint location be introduced to bilateral casing 17, bilateral set
The other end of pipe is connected by high-voltage connection 8 with the end of incoming cables of oil-immersed load switch.Using bilateral casing 17, have anti-
Dirt, waterproof, moisture-proof effect, and the installing port of plug-in arrester can be provided, while the mode of connection of changeable high pressure ring.This
In embodiment, another place's joint location of bilateral casing is for the high-voltage arrester in grafting high voltage unit.
In the present embodiment, high-voltage arrester uses elbow-type arrester 16, since elbow-type arrester is with good non-linear
Resistor disc makes high-voltage arrester have the features such as residual voltage is low, and discharge capacity is big, and the response time is fast, so as to can ensure that whole equipment
Safe operation.And be installed in the hyperbaric chamber of housing by elbow-type arrester 16 in this present embodiment, because without in addition adopting
User's support arm is installed.In this way, the coupling integration being connect by high-voltage arrester with cable termination, can further realize this
Platform becomes the integration and miniaturization of equipment.
Specifically, in the present embodiment, the bilateral casing uses two groups, one end of one group of bilateral casing and high-tension cable
It is connected, the other end is connected with the high pressure lead-in of transformer, and one end of another group of bilateral casing and the high pressure of transformer introduce
Line is connected, and the other end is connected with the end of incoming cables of external electric equipment.As shown in fig. 7, two groups of bilateral casings share 6, often
Each 3 of group, respectively ABC phases.
When oil-immersed load switch 15 cut looped network lead to gear when, two groups of bilateral casings can connect respectively 10kV cables and
Electrification, one group of bilateral casing become the 10kV enter line sides (A nets) being connected with external power supply as this intelligent modularized, and another group double
Logical casing as this intelligent modularized change 10kV outgoing line sides and as the incoming power (B nets) of external 10kV electrical equipments,
And transformer is in electriferous state and low-pressure side has load access, i.e. A nets, B nets, transformer charges simultaneously, forms high pressure at this time
A kind of mode of looped network function；When the low-pressure side of this intelligent modularized change needs the 10kV enter line sides of maintenance and this change equipment
When need to be charged simultaneously with 10kV outgoing line sides, oil-immersed load switch 15 cuts AB Netcoms gear, i.e. A guipures electricity, B guipures at this time
Electricity, and transformer is not charged, forms another mode of high pressure ring function at this time.
As shown in figure 5, in the present embodiment, low-voltage distribution unit mainly includes：Breaker of plastic casing 20, fuse type isolation
Switch 21, Surge Protector 26, low pressure kilowatt-hour meter 27 and power supply load-control equipment 28.
Preferably, in the present embodiment, the intelligence unit includes low-voltage intelligent leakage switch 23 and low-voltage intelligent capacitance
24.Wherein, low-voltage intelligent capacitance 24 and 23 wireless connection of low-voltage intelligent leakage switch, the end of incoming cables of capacitance compensation line switching with
The lower collar thread road copper bar of the leading-out terminal of fuse disconnecting switch is connected, the leading-out terminal and low-voltage intelligent of capacitance compensation line switching
Capacitance 24 connects.Capacitance compensation line switching 25 is further included in intelligent unit, capacitance compensation line switching 25 is used to control
The break-make of low-voltage intelligent capacitance 24 and 21 leading-out terminal lower collar thread road copper bar of fuse disconnecting switch.In hanging net operation, low pressure
Intelligent leakage switch 23 judges the three-phase load unbalance rate of circuit according to the IP address for inputting the low-voltage intelligent capacitance in it,
And instruction is sent out according to judging result to the low-voltage intelligent capacitance 24, low-voltage intelligent capacitance 24 carries out automatic according to described instruction
It compensates and passes through that capacitance compensation line switching 25 is counter to be sent to the circuit, adjusted so as to complete the three-phase load unbalance of circuit.
Specifically, in the present embodiment, low-voltage intelligent leakage switch 23 is given birth to using Nanjing Jie Tai power equipments Co., Ltd
The intelligent switch of the JTM1LE-400Z models of production, low-voltage intelligent capacitance 24 are produced using Nanjing Jie Tai power equipments Co., Ltd
ZTL-168S models intelligent capacitor.
The low-voltage intelligent leakage switch 23 used in the present embodiment be it is a kind of can (load be opened by electronic type molded case circuit breaker
Close), earth leakage protective device, electric energy examination gauge table, Distribution transformer, load management terminal (pre-payment management terminal), measure
The switch (being configured with communication antenna) that CT, Power Harmonic Monitoring Instrument, voltage monitoring instrument, reclosing controller etc. combine together, this is opened
It closes and is suitable for exchange 50Hz, rated voltage 400V, nominal insulation voltage 1000V, in the three-phase and four-line of rated current to 800A
Property the electric power system that is directly grounded of point in, for providing human electric shock's accident mediate contact protection, prevented also from because equipment it is exhausted
Edge damage generates fire hazard caused by earth fault, also can be to the overloading of circuit or electrical equipment, short circuit, overvoltage, under-voltage
And phase shortage and mains side are off zero etc. is protected.
The low-voltage intelligent capacitance 24 used in the present embodiment changes the controller technology and machine of traditional reactive power compensator
The switching technology of tool formula contactor or electromechanical integral switch as switched capacitor, changes traditional reactive compensation controlling device
Bulky and bulky tactic pattern, so as to have low-pressure reactive compensation equipment, compensation effect is more preferable, volume smaller, power consumption
The characteristics of lower, price is lower, and maintenance is more convenient, reliability higher is suitable for the intelligent requirements of intelligent power network transformation.
Also, since the low-pressure line-outgoing side that platform becomes equipment has low-voltage intelligent leakage switch 23, and by this present embodiment
Low-voltage intelligent leakage switch opened using the intelligence of JTM1LE-400Z models of Nanjing Jie Tai power equipments Co., Ltd production
It closes, which is a kind of aftercurrent action protecting switch with two-way with automatic reclosing function, therefore can be by hand
The SIM card of machine is installed in low-voltage intelligent leakage switch 23, and capacitance compensation is then mended by using in the present embodiment points and mended together
The low-voltage intelligent capacitance operating status automatic switching of automatic decision power grid (can) 24 being integrated, by making low-voltage intelligent capacitance 24
WIFI is established with low-voltage intelligent leakage switch 23 to connect, and is opened when the IP address of low-voltage intelligent capacitance is input to low-voltage intelligent electric leakage
When closing in 23, every operating parameter of low-voltage intelligent capacitance 24 can set in low-voltage intelligent leakage switch 23 with setting and can
Realize that remotely located (function of both low-voltage intelligent leakage switch and low-voltage intelligent capacitance is respectively independent, low-voltage intelligent capacitance
Every operating parameter can be shown and be controlled in low-voltage intelligent leakage switch 23, and can pass through low-voltage intelligent leakage switch 23
Remote control low-voltage intelligent capacitance 24), it is seen that switching mode nearby can not only be realized by the detection of low-voltage intelligent leakage switch, and
And it can also realize the intelligent feature such as remote control switching capacitance.
Preferably, low voltage conductive bar 22 is additionally provided in low-pressure chamber, low voltage conductive bar 22 is set on the tank wall of oil tank of transformer.
The low-pressure line-outgoing end of oil-immersed transformer is connected by low-voltage lead with low voltage conductive bar 22, and the other end of low voltage conductive bar passes through
Low pressure connecting copper bar 4 is connected with the end of incoming cables of fuse disconnecting switch, and the leading-out terminal of fuse disconnecting switch passes through low pressure
Connecting copper bar 4 is connected with the end of incoming cables of low-voltage intelligent leakage switch, and the leading-out terminal of low-voltage intelligent leakage switch passes through low-voltage cable 5
It is connect with subscriber's drop all insulation.
Due to the conducting electricity very well of low voltage conductive bar, resistivity is small, service life is long, by that will become in the present embodiment
Connection between depressor unit and low voltage unit is using low voltage conductive bar, the cable between more existing transformer and distribution box
Line loss can be substantially reduced for connection, improves power supply reliability.
In the present embodiment, the end of incoming cables of breaker of plastic casing 20 and going out for fuse disconnecting switch in low-voltage distribution unit
The lower collar thread road copper bar of line end is connected, and the leading-out terminal of breaker of plastic casing is connected with the end of incoming cables of Surge Protector, Surge Protector
Leading-out terminal with the earth be connected.
Traditional taiwan area high voltage unit, transformer unit and low voltage unit all dispersed placements, it is respectively independently installed, and be grounded
It is unreliable.And in the present embodiment, in low voltage unit for connect multiple low pressure connecting copper bars 4 of each component all with grounding copper
Row is connected, and intelligent modularized in the present embodiment becomes by the way that grounding copper bar is run through low-pressure chamber and hyperbaric chamber, and cause low
The ground connection of each component in pressure chamber and hyperbaric chamber finally all introduces grounding copper bar, and grounding copper bar is made of good conductor, can
Ensure good ground connection, so as to which interference caused by interference source is terminated at grounding copper bar.
The high pressure list that existing outdoor installation is cumbersome and security risk is more is substituted in high voltage unit in the present embodiment completely
Member, and existing transformer synthesis power distribution cabinet is integrated on transformer body, while low-pressure side primary circuit is straight using busbar
It connects in succession, in advance in the housing of this intelligent modularized change, it is achieved thereby that this becomes the integration of equipment.Also, in intelligence
It can change and low-voltage intelligent leakage switch is mounted with inside unit, thus compared to existing change increases distribution transformer monitoring, load pipe
The functions such as reason, electricity examination, electric energy quality monitoring, GPRS/WiFi communications.
Intelligent modularized in the present embodiment become with earth leakage protective, distribution transformer monitoring, Detecting Power Harmonicies, voltage monitoring, from
The dynamic functions such as reclosing, wireless control capacitor switching, the equipment cost is low, easy care, shortens the construction period, reduces O＆M
Cost.This intelligent modularized becomes achievable distribution network construction transformation improved efficiency, realizes entire power distribution station all insulation, Quan Mi
Envelope, full-shield installation, entire product has the function of full-shield, it can be achieved that entire power distribution station standardized designs, factory normalization
Processing realizes entire power distribution station standard dispatching, finally realizes entire power distribution station status monitoring, it is horizontal to improve O＆M.
As it can be seen that intelligent modularized in the present embodiment become collection distribution transformer, high voltage load switch, high-tension fuse,
The components such as high-voltage arrester, switch with knifeshaped fuse, intelligent switch, the compensation of low-pressure side intelligent capacitor, metering device synthesis is integrated, will
Existing power distribution station high voltage unit, transformer unit, low-voltage distribution unit and intelligent unit carry out integrated module and set
Meter, and design is standardized to a second interface, so as to meet the requirement of interchangeability plug and play, finally carry out complete machine
Experimental design is manufactured, is a kind of intelligent modularized change, for it so as to meet whole Transporting, installation and maintenance requirement
Structure is to be classified as high-tension cell, transformer bay every, low pressure interval by setting hyperbaric chamber, transformer room and low-pressure chamber,
Its function and structure is made to fully achieve integration, and by each component of hyperbaric chamber, transformer room and low-pressure chamber and its connection
Attachment has carried out all insulation, hermetically sealed and full-shield structure design so that whole equipment is more safe and reliable, disclosure satisfy that on column
With landing installation requirement, entire power distribution station standardized designs and batch production processing can be realized, realize standardization dispatching.It compares
Design, construction mode in current power distribution station, this intelligent modularized becomes with modularized design, standardization level height, builds
If the period is short, maintenance time is short, O＆M cost is low, aesthetic in appearance, installation is simple, it is easy to remove the features such as.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of intelligent modularized change, including high voltage unit, transformer unit and low voltage unit, the low voltage unit includes low
It is press-fitted electric unit and intelligent unit, which is characterized in that this intelligent modularized change further includes housing, is equipped with and becomes in the housing
Depressor room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber, transformer unit is placed in the transformer room, low
Pressure unit is placed in the low-pressure chamber, and each device of high voltage unit is placed in hyperbaric chamber and transformer room.
2. intelligent modularized change according to claim 1, which is characterized in that bilateral set is additionally provided in the hyperbaric chamber
It manages, the high pressure lead-in of the transformer in transformer unit is connected by the bilateral casing with high-tension cable, the high pressure list
For high-voltage arrester in member using elbow-type arrester, which is set on connector at the one of the bilateral casing, bilateral set
Another place's connector of pipe introduces the high-tension cable.
3. intelligent modularized change according to claim 2, which is characterized in that the bilateral casing uses two groups, one group
One end of bilateral casing is connected with high-tension cable, and the other end is connected with the high pressure lead-in of transformer, another group of bilateral casing
One end be connected with the high pressure lead-in of transformer, the other end is connected with the end of incoming cables of external electric equipment.
4. intelligent modularized change according to claim 2, which is characterized in that the distribution transformer in the transformer unit
Device uses oil-immersed transformer, which includes oil tank of transformer and transformer body, in oil tank of transformer filled with
Transformer oil, transformer body are set in oil tank of transformer, and the high voltage load switch in high voltage unit is opened using oil immersed type load
Close, high-tension fuse include oil immersion plug-in type high-tension fuse and oil-immersed limiting fuse, the oil-immersed load switch and
Oil-immersed limiting fuse is set in the transformer oil of oil tank of transformer, and one end of the oil immersion plug-in type high-tension fuse is inserted into
Into oil tank of transformer, the other end is extend out in hyperbaric chamber, the end of incoming cables of oil-immersed load switch and the high-tension cable phase
Even, the leading-out terminal of oil-immersed load switch is connected with the end of incoming cables of oil immersion plug-in type high-tension fuse, oil immersion plug-in type high-voltage fuse
The leading-out terminal of disconnected device is connected with the end of incoming cables of oil-immersed limiting fuse, and leading-out terminal and the oil immersed type of oil-immersed limiting fuse become
The high pressure end of incoming cables of depressor is connected.
5. intelligent modularized change according to claim 4, which is characterized in that the high voltage unit has further included pressure and released
Valve is put, the pressure relief valve is set on the tank wall of oil tank of transformer, and pressure relief valve is used for when oil-immersed transformer generation is short
The gas pressure in oil tank of transformer is discharged during the failure of road.
6. according to the intelligent modularized change of claim 1-5 any one of them, which is characterized in that the intelligence unit includes
Low-voltage intelligent leakage switch and low-voltage intelligent capacitance, the low-voltage intelligent capacitance and low-voltage intelligent leakage switch wireless connection,
During hanging net operation, low-voltage intelligent leakage switch judges the three-phase of circuit according to the IP address for inputting the low-voltage intelligent capacitance in it
Load unbalanced rate, and instruction is sent out to the low-voltage intelligent capacitance according to judging result, low-voltage intelligent capacitance is according to the finger
Enable carry out automatic compensation and it is counter send to the circuit, so as to complete the adjusting of the three-phase load unbalance of circuit.
7. intelligent modularized change according to claim 6, which is characterized in that the low-voltage distribution unit includes fuse
Formula disconnecting switch, the low-pressure line-outgoing end of distribution transformer and the end of incoming cables phase of fuse disconnecting switch in transformer unit
Even, the leading-out terminal of fuse disconnecting switch is connected with the end of incoming cables of low-voltage intelligent leakage switch, low-voltage intelligent leakage switch
Leading-out terminal is connected with subscriber's drop.
8. intelligent modularized change according to claim 7, which is characterized in that low pressure conduction is additionally provided in the low-pressure chamber
Bar, the end of incoming cables of the fuse disconnecting switch are connected by low voltage conductive bar with the low-pressure line-outgoing end of distribution transformer.
9. according to the intelligent modularized change of claim 1-5 any one of them, which is characterized in that the low-pressure chamber, transformer
Room and hyperbaric chamber are in modular mesh set up of character patt ern in housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102561.8A CN108155590A (en) | 2016-12-05 | 2016-12-05 | A kind of intelligent modularized change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611102561.8A CN108155590A (en) | 2016-12-05 | 2016-12-05 | A kind of intelligent modularized change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108155590A true CN108155590A (en) | 2018-06-12 |
Family
ID=62470724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611102561.8A Pending CN108155590A (en) | 2016-12-05 | 2016-12-05 | A kind of intelligent modularized change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108155590A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08251820A (en) * | 1995-03-10 | 1996-09-27 | Toshiba Eng & Constr Co Ltd | Single-phase power distribution system at inside of building |
| CN2562465Y (en) * | 2002-07-19 | 2003-07-23 | 常州市远方电气有限公司 | Box transformer station |
| CN201750079U (en) * | 2010-08-10 | 2011-02-16 | 北京合纵科技股份有限公司 | Box type transformer |
| CN202084816U (en) * | 2011-05-12 | 2011-12-21 | 沈阳福林电气设备有限公司 | Intelligent energy-saving prepackage type transformer station |
| CN103051064A (en) * | 2012-12-28 | 2013-04-17 | 天津市武清供电有限公司 | Comprehensive monitoring system for low-voltage power distribution station area |
| CN105181188A (en) * | 2015-07-20 | 2015-12-23 | 湖南菲尔斯特传感器有限公司 | Intelligent pressure transmitter |
| CN206742721U (en) * | 2016-12-05 | 2017-12-12 | 特变电工智能电气有限责任公司 | A kind of intelligent modularized change |
-
2016
- 2016-12-05 CN CN201611102561.8A patent/CN108155590A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08251820A (en) * | 1995-03-10 | 1996-09-27 | Toshiba Eng & Constr Co Ltd | Single-phase power distribution system at inside of building |
| CN2562465Y (en) * | 2002-07-19 | 2003-07-23 | 常州市远方电气有限公司 | Box transformer station |
| CN201750079U (en) * | 2010-08-10 | 2011-02-16 | 北京合纵科技股份有限公司 | Box type transformer |
| CN202084816U (en) * | 2011-05-12 | 2011-12-21 | 沈阳福林电气设备有限公司 | Intelligent energy-saving prepackage type transformer station |
| CN103051064A (en) * | 2012-12-28 | 2013-04-17 | 天津市武清供电有限公司 | Comprehensive monitoring system for low-voltage power distribution station area |
| CN105181188A (en) * | 2015-07-20 | 2015-12-23 | 湖南菲尔斯特传感器有限公司 | Intelligent pressure transmitter |
| CN206742721U (en) * | 2016-12-05 | 2017-12-12 | 特变电工智能电气有限责任公司 | A kind of intelligent modularized change |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103248057A (en) | Intelligent cabinet type reactive power compensation device | |
| CN204497853U (en) | A kind of photovoltaic case becomes protection telemetry communication integrated apparatus | |
| CN206742721U (en) | A kind of intelligent modularized change | |
| CN104967036B (en) | Integrated intelligent combination transformer station | |
| CN213125124U (en) | Mine explosion-proof intelligent high-voltage complete set distribution device | |
| CN203251008U (en) | Solid insulation switch cabinet | |
| CN205657341U (en) | Low -voltage comprehensive distribution box | |
| CN205565728U (en) | Intelligent power distribution platform district | |
| CN107968329A (en) | Grid-connected access case and its access system | |
| KR100703036B1 (en) | highvoltage metalclad type switchgear | |
| CN210326509U (en) | Dual-power intelligent integrated high-voltage power distribution device | |
| CN203242926U (en) | Low-voltage power distribution cabinet with residual current protection function | |
| CN207251068U (en) | A kind of intelligent ring main unit of band metering | |
| CN207518086U (en) | A kind of knockdown change power distribution equipment | |
| CN208352837U (en) | A kind of movable-type intelligent power distribution station | |
| CN108155590A (en) | A kind of intelligent modularized change | |
| CN204760838U (en) | It holds low intelligent combination formula transformer substation of decreasing to have to carry to transfer | |
| CN203312657U (en) | Mining explosion-proof type high-voltage vacuum power distribution device | |
| CN201994154U (en) | Full-insulating lightning protection device | |
| CN207039038U (en) | Miniature integrated transformer substation on a kind of post | |
| CN111463695A (en) | Prefabricated on-column distribution transformer area | |
| CN201289967Y (en) | Distribution box for base station | |
| CN105098646B (en) | A kind of indoor intelligence 10kV demarcation circuit breaker switchgears with communication function | |
| CN205377156U (en) | Outdoor intelligent looped netowrk cabinet of environment -friendly | |
| CN206685784U (en) | Small intelligent transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |