CN206742721U - A kind of intelligent modularized change - Google Patents
A kind of intelligent modularized change Download PDFInfo
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- CN206742721U CN206742721U CN201621321827.3U CN201621321827U CN206742721U CN 206742721 U CN206742721 U CN 206742721U CN 201621321827 U CN201621321827 U CN 201621321827U CN 206742721 U CN206742721 U CN 206742721U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model discloses a kind of intelligent modularized change, 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 also includes housing, transformer room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber are provided with 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 small volume become, transport and installation are very convenient.
Description
Technical field
The utility model belongs to power transmission and transformation, distribution technique field, and in particular to one kind can be applied to rural area distribution and city
Intelligent modularized change of low-voltage distribution network.
Background technology
At present, rural power grids and city low-voltage distribution network 10kV taiwan areas are generally by falling fuses, arrester, transformer body, change
The parts such as depressor comprehensive distribution cabinet (JP cabinets), accessory kit form.And above-mentioned part is each independent by different manufacturers
Installing, in-site installation equipment is more, install debug time length, and more using angle bar, cross-arm, anchor ear, ironware annex, high and low
The exposed position of laminate section is more, and power distribution station fault rate is more so that operational management is inconvenient, the equipment for needing high-altitude operation maintenance
More, workload is big, and time length, 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 each carry out in-site installation, part scene is spelled
Dress and connection, field adjustable, live sub-unit are tested, and existing potential safety hazard is more.In addition, the device configuration of taiwan area is more
Sample, function are single, without information gathering, realize the distributing transformer monitoring power distribution monitoring device unified with protection, electric energy metrical,
Lack and timely and effectively management, power load control are carried out to power distribution station.Taiwan area operation 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 progressively accelerated, and the variation 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.
Utility model content
Technical problem to be solved in the utility model is according to deficiencies of the prior art, there is provided a kind of volume
Small, transport and easy for installation intelligent modularized change.
Solve the utility model technical problem used by technical scheme be this intelligent modularized become include high voltage unit,
Transformer unit and low voltage unit, the low voltage unit include low-voltage distribution unit and intelligent unit, wherein, the intelligent object
Changing platform change also includes housing, and transformer room and the low-pressure chamber and high pressure that are wholely set with transformer room are provided with the housing
Room, transformer unit are placed in the transformer room, and low voltage unit is placed in the low-pressure chamber, and each device of high voltage unit is split
In in hyperbaric chamber and transformer room.
Preferably, it is additionally provided with bilateral sleeve pipe in the hyperbaric chamber, the high pressure lead-in of the transformer in transformer unit
It is connected by the bilateral sleeve pipe with high-tension cable, the high-voltage arrester in the high voltage unit uses elbow-type arrester, the elbow
Type arrester joint at the one of the bilateral sleeve pipe, another place's joint of bilateral sleeve pipe introduce the high-tension cable.
It may further be preferable that the bilateral sleeve pipe uses two groups, one end of one group of bilateral sleeve pipe 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 sleeve pipe and the high pressure lead-in phase of transformer
Even, its other end is connected with the end of incoming cables of external electric equipment.
Preferably, the distribution transformer in the transformer unit uses oil-filled transformer, the oil-filled transformer
Including oil tank of transformer and transformer body, oil tank of transformer is located at filled with transformer oil, transformer body in oil tank of transformer
In, the high voltage load switch in high voltage unit uses oil-immersed load switch, and 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 located at 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 its 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 entering for oil-immersed limiting fuse
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-filled transformer.
Preferably, the high voltage unit also includes pressure relief valve, and the pressure relief valve is located at oil tank of transformer
Tank wall on, pressure relief valve be used for when oil-filled transformer occur short trouble when discharge oil tank of transformer in gas pressure
Power.
It is further preferred that the intelligent unit includes low-voltage intelligent leakage switch and low-voltage intelligent electric capacity, 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 electric capacity judge the three-phase load unbalance rate of circuit, and instruction is sent extremely according to judged result
The low-voltage intelligent electric capacity, low-voltage intelligent electric capacity according to the instruction carry out automatic compensation and it is counter deliver to the circuit, so as to complete
The three-phase load unbalance regulation of circuit.
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 with 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 utility model becomes with small volume, operation maintenance is reliable, cost is low, whole Transporting and scene
The advantages that very convenient, is installed.Its advantage is specific as follows：
1st, the intelligent unit in this intelligent modularized change includes low-voltage intelligent leakage switch and low-voltage intelligent electric capacity, and
It is wireless connection between low-voltage intelligent electric capacity and low-voltage intelligent leakage switch so that the peace of each component in the intelligent unit
The space of compressible whole 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 intelligent 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 electric capacity
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 because 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 uses oil-insulation mode, and oil-immersed load switch therein is set
In transformer oil, transformer oil is evaporated and is decomposed by using arc energy and produce gas, so as to cool down electric arc
And extinguish.This oil-insulation mode compared to using air insulation mode (on-load switch therein uses vacuum load switch) and
Speech, the volume of high voltage unit can be reduced, and (its structure is similar to vacuum circuit breaker, simply contact material for vacuum load switch
It is different) it is to extinguish electric arc in a vacuum.For example 10kV platform 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 whole
The appearance and size of equipment, the inner space that platform becomes further is saved, so as to reduce the overall volume of platform change so that platform becomes internal each
It is compacter between individual 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
Set, 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, it can be overhauled and is safeguarded respectively.
Brief description of the drawings
Fig. 1 is the profile stereogram of intelligent modularized change in the utility model embodiment 1；
Fig. 2 a are the structural front views of intelligent modularized change in the utility model embodiment 1；
Fig. 2 b are Fig. 2 a right views；
Fig. 2 c are Fig. 2 a left views；
Fig. 3 is the structural front view of enclosure interior in intelligent modularized change in the utility model embodiment 1, is Fig. 2 c's
A-A views；
Fig. 4 is Fig. 3 top view；
Fig. 5 is the structural representation of the low-pressure chamber of intelligent modularized change in the utility model embodiment 1, the B- for being Fig. 2 a
B views；
Fig. 6 is the structural representation in the hyperbaric chamber of intelligent modularized change in the utility model embodiment 1, the D- for being Fig. 2 a
D views；
Fig. 7 is the circuit diagram of the mesohigh looped network function two states of the utility model embodiment 1.
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 sleeve pipes 18- is without excitation
Shunting 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 electric capacity 25- capacitance compensation line switching 26- Surge Protectors
27- low pressure kilowatt-hour meters 28- power supply load-control equipments
Embodiment
With reference to the accompanying drawing in the utility model, clear, complete description is carried out to the technical solution of the utility model,
Obviously, the embodiments described below are part of the embodiment of the present utility model, rather than whole embodiments.Based on this reality
With the embodiment in new, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belong to the scope of the utility model protection.
Intelligent modularized change of the present utility model includes high voltage unit, transformer unit and low voltage unit, the low pressure
Unit includes low-voltage distribution unit and intelligent unit, wherein, this intelligent modularized change also includes housing, is set in the housing
There are transformer room and the low-pressure chamber being wholely set with transformer room and hyperbaric chamber, transformer unit is placed in the transformer room
Interior, 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.
Embodiment 1：
A kind of intelligent modularized change is provided for low-voltage power distribution station area in the present embodiment, it is mainly used 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, be 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 post 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 also include housing, transformer room 2 and the low-pressure chamber 3 and height that are wholely set with transformer room are provided with 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 with the side of hyperbaric chamber and not adjacent with the transformer room side of low-pressure chamber retractable
Cabinet door, by opening cabinet door, so as to enter in hyperbaric chamber or low-pressure chamber, to facilitate the follow-up 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, complete machine can be carried out 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-filled transformer (can specifically use S11 types oil-filled transformer), the oil-filled transformer is in transformer room, institute
Stating oil-filled transformer includes oil tank of transformer and transformer body 6, filled with transformer oil, transformer body in oil tank of transformer
6 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 component 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 in transformer room, and other components are in hyperbaric chamber.
Preferably, also include 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-filled transformer, pressure relief valve 10 can discharge change
Gas pressure in depressor fuel tank；And in oil-filled transformer normal work, pressure relief valve 10 can keep transformer oil
Isolate with extraneous air.Short trouble once occurs for oil-filled transformer, and Transformer Winding will produce electric arc and spark, transformer
Oil produces 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, its act on be make oil tank of transformer not reason pressure it is excessive and
Deform blast.
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
With 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, its 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-filled transformer.
In the present embodiment, because high-tension fuse is using oil immersion plug-in type high-tension fuse and oil-immersed limiting fuse
Series connection, which coordinates, to provide protection to oil-filled transformer, and 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-filled 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-filled transformer for oil-immersed limiting fuse 9
Just acted during barrier, for protecting high-tension line, so as to greatly reduce the fault rate of the trip-out rate of circuit and distribution transformer.
Because the high voltage load switch in the present embodiment uses oil-immersed load switch, it has 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 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, make compacter between unit inside platform change.
In the present embodiment, oil-immersed load switch 15 uses four station load switchs, so that high voltage unit also has height
Pressure ring net function.
Preferably, it is additionally provided with bilateral sleeve pipe 17 in hyperbaric chamber, the high pressure lead-in of the transformer in transformer unit passes through
The bilateral sleeve pipe is connected with high-tension cable 7, so as to realize that this becomes totally enclosed insertion between equipment and external high pressure power supply
Connection.Specifically, be by high-tension cable 7 pass through bilateral sleeve pipe one at joint location be introduced to bilateral sleeve pipe 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 sleeve pipe 17, it has anti-
Dirt, waterproof, the effect of protection against the tide, and the installing port of plug-in arrester can be provided, while the mode of connection of high pressure ring can be changed.This
In embodiment, another place's joint location of bilateral sleeve pipe is for the high-voltage arrester in grafting high voltage unit.
In the present embodiment, high-voltage arrester uses elbow-type arrester 16, because elbow-type arrester has well non-linear
Resistor disc, make high-voltage arrester that there is 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 because the elbow-type arrester 16 in the present embodiment is installed in the hyperbaric chamber of housing, thus without adopting in addition
User's support arm is installed.So, the coupling integration being connected by high-voltage arrester with cable termination, this can further be realized
Platform becomes the integration and miniaturization of equipment.
Specifically, in the present embodiment, the bilateral sleeve pipe uses two groups, one end of one group of bilateral sleeve pipe and high-tension cable
It is connected, its other end is connected with the high pressure lead-in of transformer, and one end of another group of bilateral sleeve pipe and the high pressure of transformer introduce
Line is connected, and its other end is connected with the end of incoming cables of external electric equipment.As shown in fig. 7, two groups of bilateral sleeve pipes 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 sleeve pipes can connect respectively 10kV cables and
Powered, one group of bilateral sleeve pipe becomes the 10kV enter line sides (A nets) being connected with external power source as this intelligent modularized, and another group double
Logical sleeve pipe as this intelligent modularized change 10kV outgoing line sides and outside being used as 10kV electrical equipments incoming power (B nets),
And transformer is in electriferous state and low-pressure side has load access, i.e. A nets, B nets, transformer is simultaneously powered, now forms high pressure
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 needing simultaneously powered with 10kV outgoing line sides, now oil-immersed load switch 15 cuts AB Netcoms gear, i.e. A guipures electricity, B guipures
Electricity, and transformer is not charged, now forms another mode of high pressure ring function.
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 intelligent unit includes low-voltage intelligent leakage switch 23 and low-voltage intelligent electric capacity
24.Wherein, low-voltage intelligent electric capacity 24 and the wireless connection of low-voltage intelligent leakage switch 23, 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
Electric capacity 24 connects.Also include capacitance compensation line switching 25 in intelligent unit, capacitance compensation line switching 25 is used to control
The break-make of low-voltage intelligent electric capacity 24 and the leading-out terminal lower collar thread road copper bar of fuse disconnecting switch 21.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 electric capacity in it,
And instruction to the low-voltage intelligent electric capacity 24, low-voltage intelligent electric capacity 24 is sent according to judged result and is carried out according to the instruction automatic
Compensate and deliver to the circuit by the way that capacitance compensation line switching 25 is counter, so as to complete the regulation of 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 electric capacity 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 is that one kind 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), measurement
The switch (being configured with communication antenna) that CT, Power Harmonic Monitoring Instrument, voltage monitoring instrument, reclosing controller etc. combine together, this is opened
Close and be applied to 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 produces fire hazard caused by earth fault, also can be to the overloading of circuit or electrical equipment, short-circuit, over-pressed, under-voltage
And phase shortage and mains side are off zero etc. is protected.
The low-voltage intelligent electric capacity 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 that low-pressure reactive compensation equipment has compensation effect more preferable, volume is smaller, power consumption
The characteristics of lower, price is lower, and it is more convenient to safeguard, reliability is higher, it is suitable for the intelligent requirements of intelligent power network transformation.
Also, because the low-pressure line-outgoing side that platform becomes equipment has low-voltage intelligent leakage switch 23, and due in the present embodiment
Low-voltage intelligent leakage switch opened using the intelligence of JTM1LE-400Z models of Nanjing Jie Tai power equipments Co., Ltd production
Close, the intelligent switch 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 electric capacity running status automatic switching of automatic decision power network (can) 24 being integrated, by making low-voltage intelligent electric capacity 24
WIFI is established with low-voltage intelligent leakage switch 23 to be connected, and is opened when the IP address of low-voltage intelligent electric capacity is inputted to low-voltage intelligent electric leakage
When closing in 23, every operational factor of low-voltage intelligent electric capacity 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 electric capacity is each independent, low-voltage intelligent electric capacity
Every operational factor 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 electric capacity 24), it is seen that switching mode nearby can not only be realized by the detection of low-voltage intelligent leakage switch, and
And the intelligent feature such as remote control switching capacitance can also be realized.
Preferably, low voltage conductive bar 22 is additionally provided with low-pressure chamber, low voltage conductive bar 22 is on the tank wall of oil tank of transformer.
The low-pressure line-outgoing end of oil-filled 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 connected with subscriber's drop all insulation.
Due to the conducting electricity very well of low voltage conductive bar, resistivity is small, service life length, therefore by that will become in the present embodiment
Connection between depressor unit and low voltage unit uses low voltage conductive bar, the cable between its 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 each independently installed, and be grounded
It is unreliable.And be used to connecting in the present embodiment, in low voltage unit 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 into low-pressure chamber and hyperbaric chamber, and causes 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 up of good conductor, can
Ensure good ground connection, so as to which interference caused by interference source is terminated at into grounding copper bar.
High voltage unit in the present embodiment substituted for the high pressure list that existing outdoor installation is cumbersome and potential safety hazard is more completely
Member, and existing transformer synthesis power distribution cabinet is integrated on transformer body, while low-pressure side primary circuit is straight using busbar
Connect 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 adds 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 function such as reclosing, controlled in wireless 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 whole power distribution station all insulation, Quan Mi
Envelope, full-shield installation, whole product have full-shield function, whole power distribution station standardized designs, factory normalization can be achieved
Processing, whole power distribution station standard dispatching is realized, whole power distribution station status monitoring is finally realized, it is horizontal to improve O＆M.
It can be seen that intelligent modularized in the present embodiment become collection distribution transformer, high voltage load switch, high-tension fuse,
The parts 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 set to fully achieve integration, and by each part of hyperbaric chamber, transformer room and low-pressure chamber and its connection
Annex 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 post
With landing installation requirement, it is possible to achieve whole power distribution station standardized designs and batch production processing, realize standardization dispatching.Compare
Design, construction mode in current power distribution station, this intelligent modularized becomes with modularized design, standardization level height, builds
If the cycle 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.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of intelligent modularized change, including high voltage unit, transformer unit and low voltage unit, the low voltage unit include low
It is press-fitted electric unit and intelligent unit, it is characterised in that this intelligent modularized change also includes housing, is provided 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, it is characterised in that bilateral set is additionally provided with the hyperbaric chamber
Manage, the high pressure lead-in of the transformer in transformer unit is connected by the bilateral sleeve pipe with high-tension cable, the high pressure list
High-voltage arrester in member uses elbow-type arrester, the elbow-type arrester joint, bilateral set at the one of the bilateral sleeve pipe
Another place's joint of pipe introduces the high-tension cable.
3. intelligent modularized change according to claim 2, it is characterised in that the bilateral sleeve pipe uses two groups, one group
One end of bilateral sleeve pipe is connected with high-tension cable, and its other end is connected with the high pressure lead-in of transformer, another group of bilateral sleeve pipe
One end be connected with the high pressure lead-in of transformer, its other end is connected with the end of incoming cables of external electric equipment.
4. intelligent modularized change according to claim 2, it is characterised in that the distribution transformer in the transformer unit
Device uses oil-filled transformer, and the oil-filled transformer includes oil tank of transformer and transformer body, in oil tank of transformer filled with
Transformer oil, transformer body are located 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 includes oil immersion plug-in type high-tension fuse and oil-immersed limiting fuse, the oil-immersed load switch with
Oil-immersed limiting fuse is in the transformer oil of oil tank of transformer, one end insertion of the oil immersion plug-in type high-tension fuse
Into oil tank of transformer, its 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, it is characterised in that the high voltage unit, which also includes pressure, to be released
Valve is put, on the tank wall of oil tank of transformer, pressure relief valve is used for when oil-filled transformer generation is short the pressure relief valve
The gas pressure in oil tank of transformer is discharged during the failure of road.
6. the intelligent modularized change according to claim any one of 1-5, it is characterised in that the intelligent unit includes
Low-voltage intelligent leakage switch and low-voltage intelligent electric capacity, the low-voltage intelligent electric capacity 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 electric capacity in it
Load unbalanced rate, and instruction is sent to the low-voltage intelligent electric capacity according to judged result, low-voltage intelligent electric capacity is according to the finger
Order carry out automatic compensation and it is counter deliver to the circuit, adjusted so as to complete the three-phase load unbalance of circuit.
7. intelligent modularized change according to claim 6, it is characterised in that the low-voltage distribution unit includes fuse
Formula disconnecting switch, the low-pressure line-outgoing end of the distribution transformer in transformer unit and the end of incoming cables phase of fuse disconnecting switch
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, it is characterised in that low pressure conduction is additionally provided with 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. the intelligent modularized change according to claim any one of 1-5, it is characterised 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 |
|---|---|---|---|
| CN201621321827.3U CN206742721U (en) | 2016-12-05 | 2016-12-05 | A kind of intelligent modularized change |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621321827.3U CN206742721U (en) | 2016-12-05 | 2016-12-05 | A kind of intelligent modularized change |
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| CN206742721U true CN206742721U (en) | 2017-12-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155590A (en) * | 2016-12-05 | 2018-06-12 | 特变电工智能电气有限责任公司 | A kind of intelligent modularized change |
| CN108462078A (en) * | 2018-03-27 | 2018-08-28 | 江苏朋佳电力设备有限公司 | Transformer distribution complete set of equipments |
| CN108155590B (en) * | 2016-12-05 | 2024-06-28 | 特变电工智能电气有限责任公司 | Intelligent modularized transformer |
-
2016
- 2016-12-05 CN CN201621321827.3U patent/CN206742721U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155590A (en) * | 2016-12-05 | 2018-06-12 | 特变电工智能电气有限责任公司 | A kind of intelligent modularized change |
| CN108155590B (en) * | 2016-12-05 | 2024-06-28 | 特变电工智能电气有限责任公司 | Intelligent modularized transformer |
| CN108462078A (en) * | 2018-03-27 | 2018-08-28 | 江苏朋佳电力设备有限公司 | Transformer distribution complete set of equipments |
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