CN209150732U - Adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation - Google Patents
Adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation Download PDFInfo
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- CN209150732U CN209150732U CN201821855554.XU CN201821855554U CN209150732U CN 209150732 U CN209150732 U CN 209150732U CN 201821855554 U CN201821855554 U CN 201821855554U CN 209150732 U CN209150732 U CN 209150732U
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- connect
- harmonic wave
- treatment device
- adjust
- reactive compensation
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- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims description 32
- 238000004804 winding Methods 0.000 claims description 32
- 238000009413 insulation Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
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Classifications
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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
- Y02E40/30—Reactive power compensation
-
- 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
- Y02E40/40—Arrangements for reducing harmonics
-
- 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
Abstract
The utility model provides the comprehensive treatment device of a kind of adjusting three-phase balance, harmonic wave control and reactive compensation, including casing, bottom plate is equipped in the casing, the space in the casing is divided into top installation space and lower part installation space by the bottom plate；The top installation space is equipped with wiring board, master control borad, power panel and sampling pinboard, the wiring board is equipped with IGBT and driving pulse, the driving pulse is connect with the master control borad, the power panel is connect with the wiring board, and the power panel, the master control borad are connect with the sampling pinboard respectively；The lower part installation space is equipped with reactor and the cooling system for cooling down the IGBT, and the reactor is connect with the wiring board, and the IGBT is fixed on the top of the cooling system.The utility model will adjust three-phase balance, harmonic wave control and it is reactive power compensation integrated administer together, reduce volume, reduce costs.
Description
Technical field
The utility model relates to electric energy administer field, more particularly to a kind of adjusting three-phase balance, harmonic wave control and
The comprehensive treatment device of reactive compensation.
Background technique
Due to the rapid development of power industry industry, user causes to load not between three-phase using load diversification, one
Balance when threephase load imbalance, makes transformer be in asymmetric operation state.The loss of transformer is caused to increase (including sky
Load-loss and load loss).In addition, threephase load off-center operation will cause transformer zero-sequence current excessive, localized metallic part
Heating is increased, and is resulted even in transformer and is burnt.Influence to electrical equipment.Imbalance of three-phase voltage, which will lead to, to be reached
The generation of several times current imbalance.Inverse torque increases in induction motor, thus increase the temperature of motor, efficiency decline,
Energy consumption increases, and shakes, and output loss etc. influences.Imbalance between each phase will lead to electrical equipment reduced service life,
Acceleration equipment part replacement frequency, increases the cost of plant maintenance.Second, non-linear electrical equipment largely puts into operation in power grid,
It is increasing to cause the specific gravity that the harmonic component of power grid accounts for.It not only increases the current supply loss of power grid, and interferes power grid
Protective device and automation equipment normal operation, cause the malfunction and tripping of these devices, directly threaten the peace of power grid
Row for the national games.For this to non-linear electrical equipment generate harmonic wave control be it is integral, by administer reach harmonic component
National standard.Guarantee custom power quality, maintenance power grid reliability service.
In current power quality processing equipment, three-phase imbalance is adjusted, harmonic wave control and reactive compensation are separated setting,
Whole equipment is bulky, and consumptive material is more, and cost is high.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of adjusting three-phase balance, harmonic wave control and idle benefits
The comprehensive treatment device repaid, to overcome the drawbacks described above of the prior art.
To achieve the above object, the utility model provides a kind of adjusting three-phase balance, harmonic wave control and reactive compensation
Comprehensive treatment device, including casing is equipped with bottom plate in the casing, and the bottom plate is by the space in the casing
It is divided into top installation space and lower part installation space；The top installation space is equipped with wiring board, master control borad, power panel and adopts
Sample pinboard, the wiring board are equipped with IGBT and driving pulse, and the driving pulse is connect with the master control borad, the power supply
Plate is connect with the wiring board, and the power panel, the master control borad are connect with the sampling pinboard respectively；The lower part installation
Space is equipped with reactor and the cooling system for cooling down the IGBT, and the reactor is connect with the wiring board, described
IGBT is fixed on the top of the cooling system.
Preferably, the power panel is fixed by screws on bottom plate.
Preferably, the top installation space is additionally provided with upper mounted plate, and the master control borad and sampling pinboard are mounted on institute
It states on upper mounted plate.
Preferably, the two sides of upper mounted plate are equipped with several first connecting portions, and the first connecting portion passes through screw and machine
Shell connection.
Preferably, the cooling system includes radiator, and the radiator is bolted on the bottom plate.
Preferably, fan is additionally provided in the lower part installation space, the fan is located in the casing by caudal
Position, the fan face the radiator, and the position that the fan air-out direction is corresponded on the outer wall of the casing is equipped with
Air outlet.
Preferably, it being additionally provided with insulation board in the lower part installation space, the insulation board is connected to the bottom of the casing,
The reactor is mounted on the insulation board, and the reactor is connect by several conductive rods with wiring board.
Preferably, the two sides of the bottom plate are equipped with several second connecting portions, and the second connecting portion passes through screw
It is connect with casing.
Preferably, partition is additionally provided between the wiring board and the bottom plate.
Preferably, the driving pulse is connect by the first winding displacement with the master control borad, and the power panel passes through second row
Line is connect with the wiring board, and the power panel is connect by third winding displacement with sampling pinboard, and the master control borad passes through the 4th
Winding displacement is connect with the sampling pinboard, and the sampling pinboard is connect by the 5th winding displacement with the wiring board
Preferably, there are three the driving pulse is set, each driving pulse is connect by the first winding displacement with the master control borad.
Preferably, the first connection terminal connecting with three-phase alternating-current supply, first connection are additionally provided on the casing
Terminal is connect by copper bar with wiring board, is coated with insulating film on the copper bar.
Preferably, second connection end connecting with computer/display screen, the second connection end are additionally provided on the casing
Son is connect with master control borad.
As described above, the utility model relates to the Synthetic for adjusting three-phase balance, harmonic wave control and reactive compensation
Device is managed, is had the advantages that
The space in the casing is divided into top installation space by bottom plate for the utility model and lower part is installed
Space, top installation space be equipped with wiring board, master control borad, power panel and sampling pinboard, the wiring board be equipped with IGBT and
Driving pulse, lower space install reactor and the cooling system for cooling down the IGBT, so that three-phase electricity levelling will be adjusted
Weighing apparatus, harmonic wave control and it is reactive power compensation integrated administer together, reduce volume, reduce costs.
Detailed description of the invention
Fig. 1 is the main circuit schematic diagram of the utility model.
Fig. 2 is that each module is coupled schematic diagram.
Fig. 3 is the explosive view of the utility model.
Fig. 4 is the structural schematic diagram of the utility model.
Fig. 5 is that the utility model is mounted on the structural schematic diagram in casing.
Component label instructions
1 casing
11 first connection terminals
111 copper bars
12 second connection ends
121 display screens
2 bottom plates
21 second connecting portions
22 partitions
3 wiring boards
31 IGBT
311 cooling systems
312 radiators
313 fans
32 driving pulses
4 master control borads
5 power panels
6 sampling pinboards
7 reactors
71 insulation boards
72 conductive rods
8 upper mounted plates
81 first connecting portions
901 first winding displacements
902 second winding displacements
903 third winding displacements
904 the 4th winding displacements
905 the 5th winding displacements
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as "upper", "lower", "left", "right", the use of " centre " in this specification
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
As shown in Figures 1 to 5, the utility model provides a kind of adjusting three-phase balance, harmonic wave control and reactive compensation
Comprehensive treatment device, including casing 1 is equipped with bottom plate 2 in the casing 1, and the bottom plate 2 can be fixed by screw
On casing 1, further, the two sides of the bottom plate 2 are equipped with several second connecting portions 21, the second connecting portion
21 is rectangular, and second connecting portion 21 is equipped with connecting hole, by screw that the second connecting portion 21 and the casing 1 is fixed
Space in the casing 1 is divided into top installation space 100 and lower part installation space 101 by connection, the bottom plate 2.
As shown in Figures 3 to 5, the top installation space is equipped with wiring board 3, master control borad 4, power panel 5 and sampling switching
Plate 6, the wiring board 3 are equipped with IGBT31 and driving pulse 32, and driving pulse 32 samples route, feeds back, described
Capacitor, inductance, main circuit copper bar, winding displacement between each wiring board etc. are also equipped on MB, the IGBT31 and the master control borad 4 are logical
News connection, the driving pulse 32 and 4 communication connection of master control borad, the power panel 5 and 3 communication connection of wiring board,
The power panel 5, the master control borad 4 respectively with 6 communication connection of sampling pinboard, master control borad 4 carry out operation, analysis, root
According to loading condition, different instruction occurs, IGBT is driven by the three-level inverter in master control borad 4 to loading condition, is executed negative
Carry adjusting or reactive compensation or the regulation of 2-50 subharmonic.The lower part installation space 101 is equipped with reactor 7 and for described in cooling
The cooling system 311 of IGBT, cooling system 311 is cooling to IGBT, guarantees IGBT reliability service, the reactor 7 and the line
Road plate 3 connects, and the IGBT31 is fixed on the top of the cooling system 311.The utility model will be described by bottom plate 2
Space in casing 1 is divided into top installation space 100 and lower part installation space 101, installation space 100 and lower part peace on top
Dress space 101 is reasonably installed by wiring board 3, master control borad 4, power panel 5, sampling pinboard 6, IGBT31 and driving pulse 32 and electricity
Anti- device 7, thus by three-phase imbalance adjust, harmonic wave control and no-power compensation function setting be integrated, it is rationally distributed, cost compared with
It is low.
As shown in Figure 5, it is preferable that the shape of wiring board 3 is configured, makes the power panel 5 that can directly pass through screw
It is fixed on bottom plate 2, the wiring board 3 and the power panel 5 are adjacently positioned, and are further saved and are utilized in casing 1
Space.
As shown in Figure 3 and Figure 4, it is preferable that the top installation space 100 is additionally provided with upper mounted plate 8, the master control borad 4
It is mounted on fixed plate 8 with sampling pinboard 6 by screw, the master control borad 4 and sampling pinboard 6 are mounted side by side.
Preferably, the two sides of upper mounted plate 8 are equipped with several first connecting portions 81, and the first connecting portion 81 is rectangular, and first connects
Socket part 81 is equipped with connecting hole, is fixedly connected with the first connecting portion 81 with the casing 1 by screw.
As shown in Figure 3 and Figure 4, it is preferable that the cooling system 311 includes radiator 312, and the radiator 312 passes through
It is bolted on the bottom plate 2, self-cold radiating mode, including multiple vertical cloth can be used for itself in the radiator 312
The fin set, IGBT are connected by screw on the top surface of the radiator 3.Preferably, in the lower part installation space 101 also
Equipped with fan 313, the fan 313, which is located in the casing 1, leans on caudal position, and the fan 313 faces described dissipate
Hot device 312, the position that 313 air-out direction of fan is corresponded on the outer wall of the casing 1 are equipped with air outlet, hot wind from it is described go out
It is blown out in air port, external heat extraction further increases cooling effect.
As shown in Figure 3 and Figure 4, it is preferable that partition 22 is additionally provided between the wiring board 3 and the bottom plate 2, it is described
Partition 22 is made of insulating material, and can cover the conductive pieces such as the bolt on the bottom plate 2.
As shown in Figure 3 and Figure 4, it is preferable that insulation board 71, the insulation board are additionally provided in the lower part installation space 101
71 are connected to the bottom of the casing 1, and the reactor 7 is mounted on the insulation board 71, by the reactor 7 and the machine
Shell 1 is dielectrically separated from, and the reactor 7 is connect by several conductive rods 72 with the internal circuit of wiring board 3.
As shown in Figures 3 to 5, it is preferable that the first connecting pin connecting with three-phase alternating-current supply is additionally provided on the casing 1
Son 11, first connection terminal 11 is bolted on the casing 1, and first connection terminal 11 passes through copper bar
111 connect with wiring board 3, are coated with insulating film on the copper bar 111.Preferably, it is additionally provided on the casing 1 and computer/display
Shield second connection end 12 of connection, second connection end 12 is connect with master control borad 4, and master control borad 4 can be real-time by data
Feedback is checked on computer/display screen convenient for operator.
As shown in Figure 1, the main circuit principle of the utility model is as follows: device is connected in parallel on transformer and user's medial side,
Middle QF1 is intelligent breaker, can remotely be closed point, has the function of over-voltage, short circuit, electric leakage, overload, and QF2 opens for 24V control power supply
It closes, QF3 is fan control switch, and signal lamp power supply is provided by Switching Power Supply, and display screen 121 executes the starting to the utility model
Or stop.
As shown in Fig. 2, the module connection principle of the utility model is as follows: P11, P12, P13 interface of the master control borad 4 point
It is not connected on corresponding driving pulse 32 with first winding displacement 901, first winding displacement 901 can use 34 core winding displacements；It is described
P25 interface on wiring board 3 is connected to the P1 interface of the power panel 5, second winding displacement 902 with second winding displacement 902
96 core winding displacements can be used；The P2 interface of the power panel 5 is connect by third winding displacement 903 with the P4 interface for sampling pinboard 6, third
Winding displacement 903 can use 96 core winding displacements；The master control borad 4 is connect by the 4th winding displacement 904 with the sampling pinboard 6, it is preferable that institute
The P5 interface for stating master control borad 4 is connect by 40 core winding displacements with the P7 interface of the sampling pinboard 6, and the P8 of the master control borad 4 connects
Mouth is connect by 10 core winding displacements with the P8 interface of the sampling pinboard 6；The P9 interface of the sampling pinboard 6 passes through the 5th row
Line 905 is connect with the J14 interface of the wiring board 3, and the 5th winding displacement 905 can use 40 core winding displacements.Preferably, the driving arteries and veins
There are three punching 32 is set, each driving pulse 32 is connect by the first winding displacement 901 with the corresponding interface of the master control borad 4.
When the utility model is used, external mutual inductor real-time monitoring system electric current is needed, mutual inductor can pass through second connection end
Son 12 connects, and the internal controller that system power information is sent to master control borad 4 is carried out processing analysis by mutual inductor, to judge system
Whether it is in non-equilibrium state, while calculating the current value converted needed for each phase when reaching equilibrium state, then sends out signal
Give IGBT and drive its movement, by out-of-balance current from electric current it is big be mutually transferred to the small phase of electric current, it is equal to finally reach three
Weighing apparatus state simultaneously samples compensation point voltage, information of voltage is passed to the internal controller of master control borad 4, to judge to mend
Repay whether voltage is more than setting value, when voltage is more than that pressure regulation is online, exports inductance current, reduce voltage；When voltage is lower than
When pressure regulation is offline, capacity current is exported, promotes voltage.Finally make each phase voltage stabilization in the normal range and real-time monitoring load
Electric current, and calculated by the internal controller of master control borad 4 to analyze the idle content of load current, then controlled according to setting value
PWM signal generator processed issues control signal makes the inverter in master control borad 4 generate the reactive compensation electricity met the requirements to IGBT
Stream.
The utility model is detected by three phase unbalance current, harmonic wave and the electric currents such as idle point in target compensation electric current
Amount is sent into the chipset of master control borad 4, and it is harmonious to generate reactive compensation by the inverter circuit of the PMW on command signal driver circuit plate 3
Wave administers electric current；Inverter in master control borad 4 becomes three-level inverter, two more traditional level by traditional two level control
Inverter compares with 2 times of forward blocking voltage ability, and can be reduced harmonic wave and reduce switching frequency, so that system be made to damage
Depletion is small.
In conclusion the utility model effectively overcomes various shortcoming in the prior art and has high industrial exploitation value
Value.
The above embodiments are only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications or change completed under mind and technical idea, should be covered by the claim of the utility model.
Claims (13)
1. a kind of adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation, which is characterized in that including machine
Shell (1), the casing (1) is interior to be equipped with bottom plate (2), and the space in the casing (1) is divided by the bottom plate (2)
Top installation space (100) and lower part installation space (101)；
The top installation space is equipped with wiring board (3), master control borad (4), power panel (5) and sampling pinboard (6), the route
Plate (3) is equipped with IGBT (31) and driving pulse (32), and the driving pulse (32) connect with the master control borad (4), the electricity
Source plate (5) is connect with the wiring board (3), the power panel (5), the master control borad (4) respectively with the sampling pinboard (6)
Connection；
The lower part installation space (101) is equipped with reactor (7) and the cooling system (311) for cooling down the IGBT, described
Reactor (7) is connect with the wiring board (3), and the IGBT (31) is fixed on the top of the cooling system (311).
2. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
Be characterized in that: the power panel (5) is fixed by screws on bottom plate (2).
3. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
Be characterized in that: the top installation space (100) is additionally provided with upper mounted plate (8), the master control borad (4) and sampling pinboard (6)
It is mounted on fixed plate (8).
4. according to claim 3 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
Be characterized in that: the two sides of upper mounted plate (8) are equipped with several first connecting portions (81), and the first connecting portion (81) passes through screw
It is connect with casing (1).
5. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
Be characterized in that: the cooling system (311) includes radiator (312), and the radiator (312) is bolted under described
In fixed plate (2).
6. according to claim 5 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized in that: being additionally provided with fan (313) in the lower part installation space (101), the fan (313) is located at the casing (1)
Interior to lean on caudal position, the fan (313) faces the radiator (312), corresponds to institute on the outer wall of the casing (1)
The position for stating fan (313) air-out direction is equipped with air outlet.
7. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized in that: being additionally provided with insulation board (71) in the lower part installation space (101), the insulation board (71) is connected to the casing
(1) bottom, the reactor (7) are mounted on the insulation board (71), and the reactor (7) passes through several conductive rods
(72) it is connect with wiring board (3).
8. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
Be characterized in that: the two sides of the bottom plate (2) are equipped with several second connecting portions (21), and the second connecting portion (21) passes through
Screw is connect with casing (1).
9. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized in that: being additionally provided with partition (22) between the wiring board (3) and the bottom plate (2).
10. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized by: the driving pulse (32) is connect by the first winding displacement (901) with the master control borad (4), the power panel (5)
It is connect by the second winding displacement (902) with the wiring board (3), the power panel (5) is transferred by third winding displacement (903) and sampling
Plate (6) connection, the master control borad (4) are connect by the 4th winding displacement (904) with the sampling pinboard (6), the sampling switching
Plate (6) is connect by the 5th winding displacement (905) with the wiring board (3).
11. according to claim 10 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized by: each driving pulse (32) passes through the first winding displacement (901) and the master there are three the driving pulse (32) sets
Control plate (4) connection.
12. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized by: being additionally provided with the first connection terminal (11) connecting with three-phase alternating-current supply on the casing (1), described first connects
Connecting terminal (11) is connect by copper bar (111) with wiring board (3), is coated with insulating film on the copper bar (111).
13. according to claim 1 adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation,
It is characterized by: being additionally provided on the casing (1), the second connection end connecting with computer/display screen is sub (12), and described second connects
Connecting terminal (12) is connect with master control borad (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855554.XU CN209150732U (en) | 2018-11-12 | 2018-11-12 | Adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821855554.XU CN209150732U (en) | 2018-11-12 | 2018-11-12 | Adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209150732U true CN209150732U (en) | 2019-07-23 |
Family
ID=67285274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821855554.XU Expired - Fee Related CN209150732U (en) | 2018-11-12 | 2018-11-12 | Adjust three-phase balance, harmonic wave control and the comprehensive treatment device of reactive compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209150732U (en) |
-
2018
- 2018-11-12 CN CN201821855554.XU patent/CN209150732U/en not_active Expired - Fee Related
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