CN112310838A - Electric power three-phase voltage stabilization and harmonic wave treatment device - Google Patents
Electric power three-phase voltage stabilization and harmonic wave treatment device Download PDFInfo
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- CN112310838A CN112310838A CN202011121319.1A CN202011121319A CN112310838A CN 112310838 A CN112310838 A CN 112310838A CN 202011121319 A CN202011121319 A CN 202011121319A CN 112310838 A CN112310838 A CN 112310838A
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- voltage stabilization
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 17
- 238000011105 stabilization Methods 0.000 title claims abstract description 17
- 230000001629 suppression Effects 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 238000002955 isolation Methods 0.000 claims description 9
- 238000007791 dehumidification Methods 0.000 abstract description 4
- 239000003381 stabilizer Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
- H02J3/01—Arrangements for reducing harmonics or ripples
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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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
Abstract
The invention discloses an electric power three-phase voltage stabilization and harmonic suppression device, which relates to the technical field of electrical equipment and comprises a three-phase voltage stabilization and compensation device cabinet, wherein a touch display panel is fixedly arranged on the front surface of the cabinet, an emergency stop switch positioned on the right side of the touch display panel is fixedly arranged on the front surface of the cabinet, and a partition plate is fixedly arranged in the cabinet. This electric power harmonic restraines and compensation arrangement, it receives the collision to avoid the ventilating fan, and the baffle makes the air current that the air inlet got into pass through the active carbon filter, get into in the rack, and discharge from the gas outlet, thereby make the moisture in the air adsorbed by the active carbon, the effect of dehumidification has been reached, the cooperation threaded rod drives the movable ring and removes, make the bracing piece drive the holding ring and remove, thereby make the locating lever break away from the fixed block and retract in the fixed frame, reach the effect of being convenient for take off the filter screen.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a three-phase voltage stabilization and harmonic suppression device for electric power.
Background
Because the effective component of the alternating current power grid is power frequency single frequency, any component different from the power frequency can be called harmonic wave, because the sine voltage is pressurized to the nonlinear load, the fundamental current is distorted to generate harmonic waves, and the harmonic waves cause the power loss increase of a power grid, the service life of equipment is shortened, the ground protection malfunction, the remote control malfunction, and line and equipment overheating lamps, in particular, the third harmonic can generate very striking neutral current, so that the zero line current of the distribution transformer even exceeds the phase line current value, causing unsafe operation of the equipment, and causes partial parallel or series resonance of the transformer substation, causing damage to the voltage transformer lamp equipment, and cause additional harmonic losses to equipment and components in the substation system, causing equipment such as power transformers, power cables, motors, etc. to heat, capacitors to break, and accelerating the aging of the insulation.
The influence of harmonic waves on the safety, stability and reliability of a power grid is also shown in that the power grid can be caused to generate resonance, normal power supply interruption, accident enlargement and power grid cracking lamps.
Due to the change of load, the three-phase current has certain variable, which causes the unbalance problem of the three-phase current, and even the neutral line is heated and ignited when the three-phase current is serious.
Disclosure of Invention
The invention aims to provide an electric three-phase voltage stabilization and harmonic suppression device which has the advantages of dehumidification, harmonic suppression, three-phase voltage stabilization and compensation, and solves the problems that the electric harmonic suppression and three-phase voltage stabilization device is easy to be wet due to the fact that no dehumidification device is arranged in the existing electric harmonic suppression and three-phase balancing device, an internal loop is influenced, and the electric harmonic suppression device is not provided with a compensation device, so that a circuit is loaded and damaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric three-phase voltage stabilization and harmonic suppression device comprises a cabinet, wherein a touch display panel is fixedly installed on the front side of the cabinet, an emergency stop switch is installed on one side of the touch display panel, a partition plate is fixedly installed inside the cabinet, a fixing frame is movably sleeved at the middle part of the partition plate, an activated carbon filter plate is fixedly sleeved at the inner side of the fixing frame, air inlets positioned above the partition plate are respectively formed in the left side and the right side of the cabinet, a plurality of handles are fixedly installed at the bottom of the fixing frame, an isolation mesh enclosure is fixedly installed at the bottom of the inner wall of the cabinet, a ventilating fan is installed inside the isolation mesh enclosure, an air outlet is formed in the lower part of the left side of the cabinet, cavities are respectively formed in the left side and the right side of the fixing frame, the cabinet comprises a user module, a controller and a power, the output and the input of controller and the output and the input electric connection of power unit module, the output and the input of user module and the output and the input electric connection of power unit module, the output electric connection of power unit module has the power, the output electric connection of power has current transformer, current transformer's output and the input electric connection of controller, the output and the input electric connection of power have nonlinear load module.
Further, the inner wall fixed mounting of cavity has solid fixed ring, gu fixed ring's inboard fixed cover has connect the locating lever, the surface mounting of locating lever has cup jointed the holding ring.
Further, the other end of locating lever extends to the outside of fixed frame and the activity has cup jointed the fixed block through the cavity, the top of fixed block and the top fixed connection of baffle.
Further, the outer fixed surface of holding ring installs fixed rotating shaft, the surface activity of fixed rotating shaft has cup jointed the bracing piece, the other end activity of bracing piece has cup jointed the location pivot, one side fixed mounting of location pivot has the activity ring.
Furthermore, a threaded rod is sleeved on the inner side of the movable ring in a threaded manner, a positioning block is movably sleeved on the top of the threaded rod, and the back of the positioning block is fixedly connected with the inner wall of the cavity.
Further, the bottom of threaded rod extends to the outside of fixed frame through the cavity, and the surface of threaded rod cup joints for the activity with the bottom of fixed frame, the fixed posting that has cup jointed in outside of fixed frame, the top of posting and the top contact of baffle.
Further, the output end of the current transformer is connected with an IGBT power converter.
Compared with the prior art, the invention has the following beneficial technical effects:
1. according to the invention, the ventilation fan is protected by the isolation mesh enclosure, so that the ventilation fan is prevented from being collided, the partition plate enables air flow entering from the air inlet to pass through the active carbon filter plate, enter the cabinet and be discharged from the air outlet, so that moisture in the air is adsorbed by the active carbon, the dehumidification effect is achieved, the threaded rod is matched to drive the movable ring to move, the supporting rod drives the positioning ring to move, the positioning rod is separated from the fixed block and retracts into the fixed frame, and the effect of facilitating the removal of the filter screen is achieved.
2. The invention collects current signals in real time through a current transformer, a harmonic current part is separated out by a controller, an IGBT power converter generates compensating current with the same size and the opposite phase with the harmonic wave in a system, the function of filtering the harmonic current of the system and the function of reactive compensation are realized, the compensating current output by an electric three-phase voltage stabilizer dynamically changes according to the harmonic wave quantity change of the system current, in addition, the electric three-phase voltage stabilizer and harmonic wave treatment device has advanced current limiting and voltage stabilizing functions, when the harmonic wave quantity to be compensated of the system is larger than the capacity of the electric three-phase voltage stabilizer and harmonic wave treatment device, the electric three-phase voltage stabilizer and harmonic wave treatment device can limit the output at 100 percent of rated capacity without overload, a compensation target power factor can be set through a user interface, the electric three-phase voltage stabilizer and harmonic wave treatment device can not generate over-compensation or under-compensation, the inrush current impact on the load and the power grid can not be generated, the power unit module is connected into the power grid in parallel, compensation and stable current are output, and the purposes of filtering harmonic waves, balancing three phases and compensating reactive power are achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A;
FIG. 3 is a diagram of a harmonic suppression and compensation system;
fig. 4 is a reactive compensation circuit diagram.
In the figure: 1. a cabinet; 2. a touch display panel; 3. a scram switch; 4. a partition plate; 5. a fixing frame; 6. an activated carbon filter plate; 7. an air inlet; 8. a handle; 9. an isolation mesh enclosure; 10. a ventilating fan; 11. an air outlet; 12. a cavity; 13. a user module; 14. a controller; 15. a power cell module; 16. a power source; 17. a current transformer; 18. a nonlinear load module; 19. a fixing ring; 20. positioning a rod; 21. a positioning ring; 22. a fixed block; 23. fixing the rotating shaft; 24. a support bar; 25. positioning the rotating shaft; 26. a movable ring; 27. a threaded rod; 28. positioning blocks; 29. and (5) positioning the frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an electric three-phase voltage stabilization and harmonic suppression device comprises a cabinet 1, a touch display panel 2 is fixedly installed on the front of the cabinet 1, an emergency stop switch 3 located on the right side of the touch display panel 2 is fixedly installed on the front of the cabinet 1, a partition plate 4 is fixedly installed inside the cabinet 1, a fixing frame 5 is movably sleeved in the middle of the partition plate 4, an activated carbon filter plate 6 is fixedly sleeved on the inner side of the fixing frame 5, air inlets 7 located above the partition plate 4 are respectively formed on the left side and the right side of the cabinet 1, handles 8 are fixedly installed at the bottom of the fixing frame 5, two handles 8 are provided, an isolation mesh enclosure 9 is fixedly installed at the bottom of the inner wall of the cabinet 1, a ventilating fan 10 located inside the isolation mesh enclosure 9 is fixedly installed at the bottom of the inner wall of the cabinet 1, an air, the cabinet 1 comprises a user module 13, a controller 14 and a power unit module 15, wherein the output end and the input end of the user module 13 are electrically connected with the output end and the input end of the controller 14, the output end and the input end of the controller 14 are electrically connected with the output end and the input end of the power unit module 15, the output end and the input end of the user module 13 are electrically connected with the output end and the input end of the power unit module 15, the output end of the power unit module 15 is electrically connected with a power supply 16, the output end of the power supply 16 is electrically connected with a current transformer 17, the output end of the current transformer 17 is electrically connected with the input end of the controller 14, the output end and the input end of the power supply 16 are electrically connected with a nonlinear load module 18, the output end of the current transformer 17 is connected with an IGBT power converter, a, the outer surface of the positioning rod 20 is fixedly sleeved with a positioning ring 21, the other end of the positioning rod 20 extends to the outer side of the fixed frame 5 through the cavity 12 and is movably sleeved with a fixed block 22, the bottom of the fixed block 22 is fixedly connected with the top of the partition plate 4, the outer surface of the positioning ring 21 is fixedly provided with a fixed rotating shaft 23, the outer surface of the fixed rotating shaft 23 is movably sleeved with a supporting rod 24, the other end of the supporting rod 24 is movably sleeved with a positioning rotating shaft 25, one side of the positioning rotating shaft 25 is fixedly provided with a movable ring 26, the inner side thread of the movable ring 26 is sleeved with a threaded rod 27, the top of the threaded rod 27 is movably sleeved with a positioning block 28, the back of the positioning block 28 is fixedly connected with the inner wall of the cavity 12, the bottom of the threaded rod 27 extends to the outer side of the fixed frame, the top of the positioning frame 29 is in contact with the top of the spacer 4.
The invention protects the ventilating fan 10 by the isolation mesh enclosure 9 to avoid the ventilating fan 10 from being collided, the baffle 4 leads the air flow entering from the air inlet 7 to pass through the active carbon filter plate 6, enter the machine cabinet 1 and be discharged from the air outlet 11, thus the moisture in the air is absorbed by the active carbon, achieving the dehumidifying function, the threaded rod 27 is matched to drive the movable ring 26 to move, the supporting rod 24 drives the positioning ring 21 to move, thereby the positioning rod 20 is separated from the fixed block 22 and retracted into the fixed frame 5, achieving the function of conveniently taking down the filter screen, the current transformer 17 collects the current signal in real time, the controller 14 separates the harmonic current part, the IGBT power converter generates the compensating current with the same size and the opposite phase with the harmonic current in the system, achieving the function of filtering the harmonic current in the system and the function of reactive compensation, the electric three-phase voltage stabilization and harmonic governance device outputs the compensating current which dynamically changes according to the harmonic amount change of, in addition, the power three-phase voltage-stabilizing and harmonic wave control device has advanced current-limiting function, when the harmonic wave quantity to be compensated of the system is larger than the capacity of the power three-phase voltage-stabilizing and harmonic wave control device, the power three-phase voltage-stabilizing and harmonic wave control device can be limited to 100% rated capacity output, overload can not occur, a compensation target power factor can be set through a user interface, the power three-phase voltage-stabilizing and harmonic wave control device can not generate over-compensation or under-compensation, the compensation current is smooth, inrush current impact on a load and a power grid can not be generated, the power unit module 15 is connected into the power grid in parallel to output the compensation current, the purposes of filtering harmonic wave and compensating reactive power are realized, the problems that the existing power harmonic wave control device is not internally provided with a dehumidifying device, the power wave control device is easy to be provided with a damp condition, so that, the circuit is loaded, so that the circuit is damaged.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electric power three-phase steady voltage and harmonic treatment device, which is characterized in that, includes rack (1), the positive fixed mounting of rack (1) has touch display panel (2), and scram switch (3) are installed to one side of touch display panel (2), the inside fixed mounting of rack (1) has baffle (4), fixed frame (5) have been cup jointed in the middle part activity of baffle (4), the inboard fixed active carbon filter board (6) that has cup jointed of fixed frame (5), air inlet (7) that are located baffle (4) top are all seted up to the left and right sides of rack (1), the bottom fixed mounting of fixed frame (5) has a plurality of handles (8), the bottom fixed mounting of rack (1) inner wall has isolation screen panel (9), and isolation screen panel (9) internally mounted has ventilating fan (10), gas outlet (11) have been seted up to the left side lower part of rack (1), the left side and the right side of the fixed frame (5) are both provided with cavities (12), the cabinet (1) comprises a user module (13), a controller (14) and a power unit module (15), the output end and the input end of the user module (13) are electrically connected with the output end and the input end of the controller (14), the output end and the input end of the controller (14) are electrically connected with the output end and the input end of the power unit module (15), the output end and the input end of the user module (13) are electrically connected with the output end and the input end of the power unit module (15), the output end of the power unit module (15) is electrically connected with a power supply (16), the output end of the power supply (16) is electrically connected with a current transformer (17), the output end of the current transformer (17) is electrically connected with the input end of the controller (14), the output end and the input end of the power supply (16) are electrically connected with a nonlinear load module (18).
2. The electric three-phase voltage stabilization and harmonic suppression device according to claim 1, wherein a fixing ring (19) is fixedly installed on the inner wall of the cavity (12), a positioning rod (20) is fixedly sleeved on the inner side of the fixing ring (19), and a positioning ring (21) is fixedly sleeved on the outer surface of the positioning rod (20).
3. The electric three-phase voltage stabilization and harmonic suppression device according to claim 2, wherein the other end of the positioning rod (20) extends to the outer side of the fixing frame (5) through the cavity (12) and is movably sleeved with a fixing block (22), and the top of the fixing block (22) is fixedly connected with the top of the partition plate (4).
4. The electric three-phase voltage stabilization and harmonic suppression device according to claim 2, wherein a fixed rotating shaft (23) is fixedly installed on the outer surface of the positioning ring (21), a supporting rod (24) is movably sleeved on the outer surface of the fixed rotating shaft (23), a positioning rotating shaft (25) is movably sleeved on the other end of the supporting rod (24), and a movable ring (26) is fixedly installed on one side of the positioning rotating shaft (25).
5. The electric three-phase voltage stabilization and harmonic suppression device according to claim 4, wherein a threaded rod (27) is sleeved on an inner side thread of the movable ring (26), a positioning block (28) is movably sleeved on the top of the threaded rod (27), and the back of the positioning block (28) is fixedly connected with the inner wall of the cavity (12).
6. The electric three-phase voltage stabilization and harmonic suppression device according to claim 5, wherein the bottom of the threaded rod (27) extends to the outside of the fixed frame (5) through the cavity (12), the outer surface of the threaded rod (27) is movably sleeved with the bottom of the fixed frame (5), the outside of the fixed frame (5) is fixedly sleeved with a positioning frame (29), and the top of the positioning frame (29) is in contact with the top of the partition plate (4).
7. The electric three-phase voltage stabilization and harmonic suppression device according to claim 1, wherein an IGBT power converter is connected to the output end of the current transformer (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011121319.1A CN112310838A (en) | 2020-10-19 | 2020-10-19 | Electric power three-phase voltage stabilization and harmonic wave treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011121319.1A CN112310838A (en) | 2020-10-19 | 2020-10-19 | Electric power three-phase voltage stabilization and harmonic wave treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN112310838A true CN112310838A (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011121319.1A Pending CN112310838A (en) | 2020-10-19 | 2020-10-19 | Electric power three-phase voltage stabilization and harmonic wave treatment device |
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| CN (1) | CN112310838A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462235A (en) * | 2018-11-14 | 2019-03-12 | 周小丹 | A kind of power harmonic suppression and compensation device |
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- 2020-10-19 CN CN202011121319.1A patent/CN112310838A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109462235A (en) * | 2018-11-14 | 2019-03-12 | 周小丹 | A kind of power harmonic suppression and compensation device |
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Application publication date: 20210202 |