CN107528332A - Three-phase load adjusting apparatus and production and preparation method thereof - Google Patents
Three-phase load adjusting apparatus and production and preparation method thereof Download PDFInfo
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- CN107528332A CN107528332A CN201710714775.9A CN201710714775A CN107528332A CN 107528332 A CN107528332 A CN 107528332A CN 201710714775 A CN201710714775 A CN 201710714775A CN 107528332 A CN107528332 A CN 107528332A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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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
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- 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 invention provides three-phase load adjusting apparatus and production and preparation method thereof, three-phase load adjusting apparatus includes power supply end cable and load end cable, the power supply end cable includes A phase electric wires, B phases electric wire and C phase electric wires, the first A phase conductors are provided between A phases electric wire and load end cable, the first B phase conductors are provided between B phases electric wire and load end cable, the first C phase conductors are provided between C phases electric wire and load end cable, with the above mentioned technical proposal, the present invention is rational in infrastructure, easily the three-phase load unbalance in low voltage electric network can be adjusted, three-phase load adjustment time is short, avoid the influence having a power failure to taiwan area index and customer electricity, it ensure that the power quality of user, three-phase load adjustment safety, reliably.
Description
Technical field
The present invention relates to electrical equipment, more particularly to three-phase load adjusting apparatus.
Background technology
Present power system, especially rural low voltage network generally use three-phase four-wire power supply, due to country residentses
The major part used is unidirectional load, and the difference such as the power consumption of rural subscribers, electricity consumption time, causes rural low voltage network three-phase
Load unbalanced phenomenon is on the rise, and has a strong impact on the power quality of user.Three-phase load unbalance degree is bigger, neutral
Line current is bigger, if low voltage electric network is chronically at unbalanced state, the neutral conductor can be blown when serious, influences low voltage electric network
It is safe to use.
The content of the invention
The technical problem to be solved in the present invention is to overcome drawbacks described above, there is provided a kind of three-phase load adjusting apparatus, convenient pair
Three-phase load unbalance is adjusted in low voltage electric network.
To solve the above problems, the technical solution adopted in the present invention is：
Three-phase load adjusting apparatus, including power supply end cable and load end cable, the power supply end cable include A phases electric wire, B phases
Electric wire and C phase electric wires, it is provided between A phases electric wire and load end cable between the first A phase conductors, B phases electric wire and load end cable
Provided with the first B phase conductors, the first C phase conductors are provided between C phases electric wire and load end cable,
Be sequentially provided with the first A phase conductors the first A phases switch, the first A phases air switch and the 2nd A phase air switches, institute
State be sequentially provided with the first B phase conductors the first B phases switch, the first B phases air switch and the 2nd B phase air switches, the first C
Be sequentially provided with phase conductor the first C phases switch, the first C phases air switch and the 2nd C phase air switches；
The 2nd A phase conductors are provided between the output end that the first A phases switch and the output end of the first C phase air switches, it is described
2nd A phase conductors switch provided with the 2nd A phases, the output end and the output end of the first B phase air switches that the first A phases switch
Between be provided with the 3rd A phase conductors, the 3rd A phase conductors switch provided with the 3rd A phases；
The 2nd B phase conductors are provided between the output end that the first B phases switch and the output end of the first A phase air switches, it is described
2nd B phase conductors switch provided with the 2nd B phases, the output end and the output end of the first C phase air switches that the first B phases switch
Between be provided with the 3rd B phase conductors, the 3rd B phase conductors switch provided with the 3rd B phases；
The 2nd C phase conductors are provided between the output end that the first C phases switch and the output end of the first B phase air switches, it is described
2nd C phase conductors switch provided with the 2nd C phases, the output end and the output end of the first A phase air switches that the first C phases switch
Between be provided with the 3rd C phase conductors, the 3rd C phase conductors switch provided with the 3rd C phases.
Without having a power failure, adjustment time is short, customer electricity is not impacted.
As an improvement：Also include inner cylinder, the inner cylinder is cylindrical drum, and the power supply end cable connects with inner cylinder one end
Connect, the load end cable is connected with the inner cylinder other end, and the first A phase conductors, the first B phase conductors and the first C phase conductors are set
It is placed on the outside of inner cylinder, and is circumferentially uniformly distributed along inner cylinder.
It is simple in construction, convenient installation, safeguard.
As an improvement：Described inner cylinder one end is provided with first end plate, and the other end is provided with the second end plate, the first end
Plate, the second end plate are circle, and the first end plate, the second end plate diameter are more than inner cylinder, and the first end plate, the second end plate are removable
Unload and be connected with shell.
For protecting electric component.
As an improvement：The shell includes the first arc and the second arc, first arc and second
Arc is detachably connected.
Convenient installation, dismounting.
As an improvement：First arc and the second arc are made by bakelite, the first arc and second
Dope layer is scribbled on the outside of arc, the component and weight of dope layer are：
Epoxide equivalent is 70g/eq 200 parts of epoxy resin, 20 parts of phenyl dimethylurea, 60 parts of titanium dioxide, 20 parts of barium sulfate, rested in peace
Fragrant 1 part, 1 part of defoamer.
Application is convenient, and process is few, attractive in appearance, solvent-free.It is wear-resisting, resistance to beneficial adhesive force, hardness, shock resistance
Chemicals.
As an improvement：The first rubber ring, the inner cylinder and load end are provided between the inner cylinder and power supply end cable
The second rubber ring is provided between cable.
Fixed cable simultaneously seals inner cylinder both ends.
As an improvement：Temperature sensor and humidity sensor are provided with the inner cylinder, if the inner cylinder side is provided with
Dry aperture.
For monitoring the humiture in shell.
As an improvement：The inner cylinder is provided with some first threading holes, the inner cylinder close to one end of power supply end cable
Some second threading holes are provided with close to one end of load end cable.
Convenient wiring, it is simple in construction, convenient installation, safeguard.
The manufacture method of three-phase load adjusting apparatus, it is characterised in that：Comprise the following steps：
A, installation switch, the first A phases is switched, the first A phases air switch and the 2nd A phase air switches are axially installed to inner cylinder
Outside, and be sequentially connected；
First B phases are switched, the first B phases air switch and the 2nd B phase air switches are axially installed on the outside of inner cylinder, and successively
Connection；
First C phases are switched, the first C phases air switch and the 2nd C phase air switches are axially installed on the outside of inner cylinder, and successively
Connection；
B, installation power supply end cable and load end cable, power supply end cable is installed on inner cylinder one end, A phases electric wire and the first A phases
Switch input terminal is connected, and B phases electric wire is connected with the first B phase switch input terminals, and C phases electric wire is connected with the first C phase switch input terminals；
Will power supply end cable be installed on the inner cylinder other end, respectively with the 2nd A phases air switch, the 2nd B phases air switch and the 2nd C
Phase air switch output end connects.
The application method of three-phase load adjusting apparatus, including A phases switch B phases, A phases switch C phases, it is tangent that B phases switch A phases, B
C phases are changed, C phases switch A phases, C phases switch B phases, it is characterised in that：
When A phases work, the first A phases switch, the first A phases air switch and the 2nd A phases air switch close,
When A phases switch B phases：The first B phases switch closure, the 2nd B phases switch first, and now the first A phases air switch trips, then
The first B phases air switch and the 2nd B phase air switches are closed, the 2nd B phases is finally disconnected and switchs；
When A phases switch C phases：The first C phases switch closure, the 3rd C phases switch first, and now the first A phases air switch trips, then
The first C phases air switch and the 2nd C phase air switches are closed, the 3rd C phases is finally disconnected and switchs；
When B phases work, the first B phases switch, the first B phases air switch and the 2nd B phases air switch close,
When B phases switch C phases：The first C phases switch closure, the 2nd C phases switch first, and now the first B phases air switch trips, then
The first C phases air switch and the 2nd C phase air switches are closed, the 2nd C phases is finally disconnected and switchs；
When B phases switch A phases：The first A phases switch closure, the 3rd A phases switch first, and now the first C phases air switch trips, then
The first A phases air switch and the 2nd A phase air switches are closed, the 3rd A phases is finally disconnected and switchs；
When C phases work, the first C phases switch, the first C phases air switch and the 2nd C phases air switch close,
When C phases switch A phases：The first A phases switch closure, the 2nd A phases switch first, and now the first C phases air switch trips, then
The first A phases air switch and the 2nd A phase air switches are closed, the 2nd A phases is finally disconnected and switchs；
When C phases switch B phases：The first B phases switch closure, the 3rd B phases switch first, and now the first C phases air switch trips, then
The first B phases air switch and the 2nd B phase air switches are closed, the 3rd B phases is finally disconnected and switchs.
By adopting the above-described technical solution, the present invention is rational in infrastructure, in that context it may be convenient to which the three-phase in low voltage electric network is born
Lotus imbalance is adjusted, and three-phase load adjustment time is short, is avoided the influence having a power failure to taiwan area index and customer electricity, be ensure that
The power quality of user, three-phase load adjustment are safe and reliable.
The invention will be further described with reference to the accompanying drawings and examples.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of three-phase load adjusting apparatus of the present invention.
Accompanying drawing 2 is the structural representation of cabinet in three-phase load adjusting apparatus of the present invention.
Accompanying drawing 3 is the structural representation of inner cylinder in three-phase load adjusting apparatus of the present invention.
Accompanying drawing 4 is the structural representation of shell in three-phase load adjusting apparatus of the present invention.
In figure：1- power supply end cables；2- loads end cable；The rubber rings of 3- first；4- first end plates；5- inner cylinders；6- second
Rubber ring；The end plates of 7- second；The threading holes of 8- second；9- shells；The threading holes of 10- first；11- apertures；The arcs of 12- first；13-
Second arc.
Embodiment
Embodiment 1：
As shown in Fig. 1 to 4, three-phase load adjusting apparatus, including inner cylinder 5, power supply end cable 1 and load end cable 2, inner cylinder 5 is
Cylindrical drum, power supply end cable 1 are connected with the one end of inner cylinder 5, and load end cable 2 is connected with the other end of inner cylinder 5.Power supply end cable 1, bear
Carry end cable 2 and stretch into the inner side of inner cylinder 5.
The one end of inner cylinder 5 is provided with first end plate 4, and the other end is provided with the second end plate 7, and first end plate 4, the second end plate 7 are circle,
First end plate 4, the diameter of the second end plate 7 are more than inner cylinder 5, and first end plate 4, the second end plate 7 are removably connected with shell 9.
Shell 9 includes the first arc 12 and the second arc 13, and the first arc 12 and the second arc 13 are detachable
Connection.Mode connects for screw can be used.
Inner cylinder 5, the first arc 12 and the second arc 13 are made by bakelite.First arc 12 and the second arc
13 edges are provided with rubber ring.
First arc 12 and the outside of the second arc 13 scribble dope layer.The component and weight of coating be：
Epoxide equivalent is 70g/eq 200 parts of epoxy resin, 20 parts of phenyl dimethylurea, 60 parts of titanium dioxide, 20 parts of barium sulfate, rested in peace
Fragrant 1 part, 1 part of defoamer.
The preparation method of coating is：
1st, above-mentioned material is weighed in proportion, is placed in compounding jar, is sufficiently mixed and is crushed；
2nd, the material after crushing is extruded into extruder；
3rd, the material after extruding is packed after tabletting, cooling, broken, screening.
Power supply end cable 1 includes A phases electric wire, B phases electric wire and C phase electric wires, is provided between A phases electric wire and load end cable 2
The first B phase conductor LB1, C phases electric wire and load end cable are provided between first A phase conductors LA1, B phase electric wire and load end cable 2
The first C phase conductors LC1 is provided between 2.
Inner cylinder 5 is provided with three the first threading holes 10, A phases electric wire, B phases electric wire and C phases electricity close to one end of power supply end cable 1
Line passes through the first threading hole 10.
Inner cylinder 5 is provided with three the second threading holes 8 close to one end of load end cable 2.First A phase conductors LA1, the first B phases
Wire LB1, the first C phase conductors LC1 pass through the second threading hole 8.
First A phase conductors LA1, the first B phase conductors LB1 and the first C phase conductors LC1 are arranged at the outside of inner cylinder 5, and along inner cylinder
5 are circumferentially uniformly distributed.
The first A phases are sequentially provided with first A phase conductors LA1 and switch SA1, the first A phase air switch QFA1 and the 2nd A phases sky
Air cock QFA2；
The first B phases are sequentially provided with first B phase conductors LB1 switch SB1, the first B phase air switch QFB1 and the 2nd B phase air and open
Close QFB2；
The first C phases are sequentially provided with first C phase conductors LC1 switch SC1, the first C phase air switch QFC1 and the 2nd C phase air and open
Close QFC2.
First A phases are switched and led between SA1 output end and the first C phase air switches QFC1 output end provided with the 2nd A phases
Line LA2, the 2nd A phase conductors LA2 switch SA2 provided with the 2nd A phases, and the first A phases switch SA1 output end and the first B phase air
Between switch QFB1 output end SA3 is switched provided with the 3rd A phase conductor LA3, the 3rd A phase conductors LA3 provided with the 3rd A phases；
First B phases switch and are provided with the 2nd B phase conductors between SB1 output end and the first A phase air switches QFA1 output end
LB2, the 2nd B phase conductors LB2 switch SB2 provided with the 2nd B phases, and the first B phases switch SB1 output end and the first C phase air is opened
Between pass QFC1 output end SB3 is switched provided with the 3rd B phase conductor LB3, the 3rd B phase conductors LB3 provided with the 3rd B phases；
First C phases switch and are provided with the 2nd C phase conductors between SC1 output end and the first B phase air switches QFB1 output end
LC2, the 2nd C phase conductors LC2 switch SC2 provided with the 2nd C phases, and the first C phases switch SC1 output end and the first A phase air is opened
Between pass QFA1 output end SC3 is switched provided with the 3rd C phase conductor LC3, the 3rd C phase conductors LC3 provided with the 3rd C phases.
First A phase air switches QFA1, the 2nd A phase air switches QFA2, the first B phases switch SB1, the first B phase air is opened
Close QFB1, the 2nd B phase air switches QFB2, the first C phase air switches QFC1, the 2nd C phase air switches QFC2 rated current
It is identical.
The first rubber ring 3 is provided between inner cylinder 5 and power supply end cable 1, second is provided between inner cylinder 5 and load end cable 2
Rubber ring 6.First rubber ring 3 and the second rubber ring 6 are used to seal the both ends of inner cylinder 5.
Temperature sensor and humidity sensor are provided with inner cylinder 5, the side of inner cylinder 5 is provided with some apertures 11.
Embodiment 2：
The manufacture method of three-phase load adjusting apparatus as described in Example 2, comprises the following steps：
A, installation switch, SA1, the first A phase air switch QFA1 and the 2nd A phase air switch QFA2 are switched along axle by the first A phases
To being installed on the outside of inner cylinder 5, and it is sequentially connected；
First B phases are switched into SB1, the first B phase air switch QFB1 and the 2nd B phase air switches QFB2 and are axially installed to inner cylinder
5 outsides, and be sequentially connected；
First C phases are switched into SC1, the first C phase air switch QFC1 and the 2nd C phase air switches QFC2 and are axially installed to inner cylinder
5 outsides, and be sequentially connected；
B, installation power supply end cable 1 and load end cable 2, power supply end cable 1 is installed on the one end of inner cylinder 5, A phases electric wire, B phases electricity
Line and C phases electric wire pass through the first threading hole 10.
A phases electric wire switchs SA1 inputs with the first A phases and is connected, and B phases electric wire switchs SB1 inputs with the first B phases and is connected, C
Phase electric wire switchs SC1 inputs with the first C phases and is connected；
Will power supply end cable 1 be installed on the other end of inner cylinder 5, respectively with the 2nd A phase air switches QFA2, the 2nd B phase air switches
QFB2 and the connection of the 2nd C phase air switch QFC2 output ends.
First A phase conductors LA1, the first B phase conductors LB1, the first C phase conductors LC1 pass through the second threading hole 8.
First arc 12 and the second arc 13 are installed C,.
Embodiment 3：
The application method of three-phase load adjusting apparatus as described in Example 1, including A phases switch B phases, A phases switch C phases, B is tangent
Change A phases, B phases switch C phases, C phases switch A phases, C phases switch B phases.
When A phases work, the first A phases switch SA1, the first A phase air switch QFA1 and the 2nd A phase air switches QFA2 and closed
Close,
When A phases switch B phases：The first B phases switch SB1 to closure, the 2nd B phases switch SB2 first, now the first A phase air switches
QFA1 trips, and then closes the first B phase air switch QFB1 and the 2nd B phase air switch QFB2, finally disconnects the 2nd B phases and switchs
SB2；
When A phases switch C phases：The first C phases switch SC1 to closure, the 3rd C phases switch SC3 first, now the first A phase air switches
QFA1 trips, and then closes the first C phase air switch QFC1 and the 2nd C phase air switch QFC2, finally disconnects the 3rd C phases and switchs
SC3；
When B phases work, the first B phases switch SB1, the first B phase air switch QFB1 and the 2nd B phase air switches QFB2 and closed,
When B phases switch C phases：The first C phases switch SC1 to closure, the 2nd C phases switch SC2 first, now the first B phase air switches
QFB1 trips, and then closes the first C phase air switch QFC1 and the 2nd C phase air switch QFC2, finally disconnects the 2nd C phases and switchs
SC2；
When B phases switch A phases：The first A phases switch SA1 to closure, the 3rd A phases switch SA3 first, now the first C phase air switches
QFC1 trips, and then closes the first A phase air switch QFA1 and the 2nd A phase air switch QFA2, finally disconnects the 3rd A phases and switchs
SA3；
When C phases work, the first C phases switch SC1, the first C phase air switch QFC1 and the 2nd C phase air switches QFC2 and closed,
When C phases switch A phases：The first A phases switch SA1 to closure, the 2nd A phases switch SA2 first, now the first C phase air switches
QFC1 trips, and then closes the first A phase air switch QFA1 and the 2nd A phase air switch QFA2, finally disconnects the 2nd A phases and switchs
SA2；
When C phases switch B phases：The first B phases switch SB1 to closure, the 3rd B phases switch SB3 first, now the first C phase air switches
QFC1 trips, and then closes the first B phase air switch QFB1 and the 2nd B phase air switch QFB2, finally disconnects the 3rd B phases and switchs
SB3。
One embodiment of the present of invention is described in detail above, but the content is only the preferable implementation of the present invention
Example, it is impossible to be considered as the practical range for limiting the present invention.All equivalent changes made according to the present patent application scope and improvement
Deng, all should belong to the present invention patent covering scope within.
Claims (10)
1. three-phase load adjusting apparatus, including power supply end cable（1）With load end cable（2）, the power supply end cable（1）Including
A phases electric wire, B phases electric wire and C phase electric wires, A phases electric wire and load end cable（2）Between be provided with the first A phase conductors（LA1）, B phases electricity
Line and load end cable（2）Between be provided with the first B phase conductors（LB1）, C phases electric wire is with loading end cable（2）Between be provided with the first C
Phase conductor（LC1）, it is characterised in that：
The first A phase conductors（LA1）On be sequentially provided with the first A phases and switch（SA1）, the first A phase air switches（QFA1）With
Two A phase air switches（QFA2）, the first B phase conductors（LB1）On be sequentially provided with the first B phases and switch（SB1）, the first B phases it is empty
Air cock（QFB1）With the 2nd B phase air switches（QFB2）, the first C phase conductors（LC1）On be sequentially provided with the first C phases and switch
（SC1）, the first C phase air switches（QFC1）With the 2nd C phase air switches（QFC2）；
The first A phases switch（SA1）Output end and the first C phase air switches（QFC1）Output end between be provided with the 2nd A
Phase conductor（LA2）, the 2nd A phase conductors（LA2）Switched provided with the 2nd A phases（SA2）, the first A phases switch（SA1）'s
Output end and the first B phase air switches（QFB1）Output end between be provided with the 3rd A phase conductors（LA3）, the 3rd A phase conductors
（LA3）Switched provided with the 3rd A phases（SA3）；
The first B phases switch（SB1）Output end and the first A phase air switches（QFA1）Output end between be provided with the 2nd B
Phase conductor（LB2）, the 2nd B phase conductors（LB2）Switched provided with the 2nd B phases（SB2）, the first B phases switch（SB1）'s
Output end and the first C phase air switches（QFC1）Output end between be provided with the 3rd B phase conductors（LB3）, the 3rd B phase conductors
（LB3）Switched provided with the 3rd B phases（SB3）；
The first C phases switch（SC1）Output end and the first B phase air switches（QFB1）Output end between be provided with the 2nd C
Phase conductor（LC2）, the 2nd C phase conductors（LC2）Switched provided with the 2nd C phases（SC2）, the first C phases switch（SC1）'s
Output end and the first A phase air switches（QFA1）Output end between be provided with the 3rd C phase conductors（LC3）, the 3rd C phase conductors
（LC3）Switched provided with the 3rd C phases（SC3）.
2. three-phase load adjusting apparatus according to claim 1, it is characterised in that：Also include inner cylinder（5）, the inner cylinder
（5）For cylindrical drum, the power supply end cable（1）With inner cylinder（5）One end connects, the load end cable（2）With inner cylinder（5）It is another
End connection, the first A phase conductors（LA1）, the first B phase conductors（LB1）With the first C phase conductors（LC1）It is arranged at inner cylinder（5）Outside
Side, and along inner cylinder（5）Circumferentially it is uniformly distributed.
3. three-phase load adjusting apparatus according to claim 2, it is characterised in that：The inner cylinder（5）One end is provided with first
End plate（4）, the other end is provided with the second end plate（7）, the first end plate（4）, the second end plate（7）For circle, the first end plate
（4）, the second end plate（7）Diameter is more than inner cylinder（5）, the first end plate（4）, the second end plate（7）It is removably connected with shell
（9）.
4. three-phase load adjusting apparatus according to claim 3, it is characterised in that：The shell（9）Including the first arc
Plate（12）With the second arc（13）, first arc（12）With the second arc（13）It is detachably connected.
5. three-phase load adjusting apparatus according to claim 4, it is characterised in that：First arc（12）With second
Arc（13）It is made by bakelite, the first arc（12）With the second arc（13）Outside scribbles dope layer, dope layer
Component and weight are：
Epoxide equivalent is 70g/eq 200 parts of epoxy resin, 20 parts of phenyl dimethylurea, 60 parts of titanium dioxide, 20 parts of barium sulfate, rested in peace
Fragrant 1 part, 1 part of defoamer.
6. three-phase load adjusting apparatus according to claim 4, it is characterised in that：The inner cylinder（5）With end cable of powering
（1）Between be provided with the first rubber ring（3）, the inner cylinder（5）With loading end cable（2）Between be provided with the second rubber ring（6）.
7. three-phase load adjusting apparatus according to claim 4, it is characterised in that：The inner cylinder（5）The interior temperature that is provided with passes
Sensor and humidity sensor, the inner cylinder（5）Side is provided with some apertures（11）.
8. according to one of them described three-phase load adjusting apparatus of claim 2 to 4, it is characterised in that：The inner cylinder（5）Lean on
Nearly power supply end cable（1）One end be provided with some first threading holes（10）, the inner cylinder（5）Close to load end cable（2）One
End is provided with some second threading holes（8）.
9. the manufacture method of three-phase load adjusting apparatus according to claim 2, it is characterised in that：Comprise the following steps：
A, installation switch, the first A phases are switched（SA1）, the first A phase air switches（QFA1）With the 2nd A phase air switches
（QFA2）It is axially installed to inner cylinder（5）Outside, and be sequentially connected；
First B phases are switched（SB1）, the first B phase air switches（QFB1）With the 2nd B phase air switches（QFB2）Install vertically
In inner cylinder（5）Outside, and be sequentially connected；
First C phases are switched（SC1）, the first C phase air switches（QFC1）With the 2nd C phase air switches（QFC2）Install vertically
In inner cylinder（5）Outside, and be sequentially connected；
B, installation power supply end cable（1）With load end cable（2）, by end cable of powering（1）It is installed on inner cylinder（5）One end, A phases electricity
Line switchs with the first A phases（SA1）Input connects, and B phases electric wire switchs with the first B phases（SB1）Input connect, C phases electric wire with
First C phases switch（SC1）Input connects；
To be powered end cable（1）It is installed on inner cylinder（5）The other end, respectively with the 2nd A phase air switches（QFA2）, the 2nd B phases it is empty
Air cock（QFB2）With the 2nd C phase air switches（QFC2）Output end connects.
10. the application method of three-phase load adjusting apparatus as claimed in claim 1, including A phases switch B phases, A phases switch C phases,
B phases switch A phases, B phases switch C phases, and C phases switch A phases, C phases switch B phases, it is characterised in that：
When A phases work, the first A phases switch（SA1）, the first A phase air switches（QFA1）With the 2nd A phase air switches（QFA2）
Closure,
When A phases switch B phases：The first B phases of closure first switch（SB1）, the 2nd B phases switch（SB2）, now the first A phase air open
Close（QFA1）Tripping operation, then close the first B phase air switches（QFB1）With the 2nd B phase air switches（QFB2）, finally disconnect
Two B phases switch（SB2）；
When A phases switch C phases：The first C phases of closure first switch（SC1）, the 3rd C phases switch（SC3）, now the first A phase air open
Close（QFA1）Tripping operation, then close the first C phase air switches（QFC1）With the 2nd C phase air switches（QFC2）, finally disconnect
Three C phases switch（SC3）；
When B phases work, the first B phases switch（SB1）, the first B phase air switches（QFB1）With the 2nd B phase air switches（QFB2）
Closure,
When B phases switch C phases：The first C phases of closure first switch（SC1）, the 2nd C phases switch（SC2）, now the first B phase air open
Close（QFB1）Tripping operation, then close the first C phase air switches（QFC1）With the 2nd C phase air switches（QFC2）, finally disconnect
Two C phases switch（SC2）；
When B phases switch A phases：The first A phases of closure first switch（SA1）, the 3rd A phases switch（SA3）, now the first C phase air open
Close（QFC1）Tripping operation, then close the first A phase air switches（QFA1）With the 2nd A phase air switches（QFA2）, finally disconnect
Three A phases switch（SA3）；
When C phases work, the first C phases switch（SC1）, the first C phase air switches（QFC1）With the 2nd C phase air switches（QFC2）
Closure,
When C phases switch A phases：The first A phases of closure first switch（SA1）, the 2nd A phases switch（SA2）, now the first C phase air open
Close（QFC1）Tripping operation, then close the first A phase air switches（QFA1）With the 2nd A phase air switches（QFA2）, finally disconnect
Two A phases switch（SA2）；
When C phases switch B phases：The first B phases of closure first switch（SB1）, the 3rd B phases switch（SB3）, now the first C phase air open
Close（QFC1）Tripping operation, then close the first B phase air switches（QFB1）With the 2nd B phase air switches（QFB2）, finally disconnect
Three B phases switch（SB3）.
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| JPH0799728A (en) * | 1993-09-27 | 1995-04-11 | Ngk Insulators Ltd | Phase changeover apparatus of three-phase distribution line |
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| CN204068280U (en) * | 2014-03-05 | 2014-12-31 | 贾继莹 | The commutation device of three-phase load autobalance |
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| CN205583705U (en) * | 2016-04-29 | 2016-09-14 | 广州开能电气实业有限公司 | Three -phase unbalanced load adjusting device's major loop |
| CN106033891A (en) * | 2015-03-20 | 2016-10-19 | 中国电力科学研究院 | Parallel online automatic commutation device of low-voltage load and operation method of commutation device |
| CN206226025U (en) * | 2016-11-01 | 2017-06-06 | 北京西威清拓变流技术有限公司 | A kind of low voltage series phase-selecting switch for low voltage distribution transformer balancing the load |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0799728A (en) * | 1993-09-27 | 1995-04-11 | Ngk Insulators Ltd | Phase changeover apparatus of three-phase distribution line |
| CN101013816A (en) * | 2007-01-29 | 2007-08-08 | 贾书洪 | Power intelligent seamless three-phase leveling system |
| CN204068280U (en) * | 2014-03-05 | 2014-12-31 | 贾继莹 | The commutation device of three-phase load autobalance |
| CN106033891A (en) * | 2015-03-20 | 2016-10-19 | 中国电力科学研究院 | Parallel online automatic commutation device of low-voltage load and operation method of commutation device |
| CN205453147U (en) * | 2016-03-15 | 2016-08-10 | 河南隆鑫电力设备有限公司 | Three -phase unbalanced load adjusting device |
| CN205583705U (en) * | 2016-04-29 | 2016-09-14 | 广州开能电气实业有限公司 | Three -phase unbalanced load adjusting device's major loop |
| CN206226025U (en) * | 2016-11-01 | 2017-06-06 | 北京西威清拓变流技术有限公司 | A kind of low voltage series phase-selecting switch for low voltage distribution transformer balancing the load |
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| CN107528332B (en) | 2020-08-21 |
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