CN109462235A - A kind of power harmonic suppression and compensation device - Google Patents
A kind of power harmonic suppression and compensation device Download PDFInfo
- Publication number
- CN109462235A CN109462235A CN201811353475.3A CN201811353475A CN109462235A CN 109462235 A CN109462235 A CN 109462235A CN 201811353475 A CN201811353475 A CN 201811353475A CN 109462235 A CN109462235 A CN 109462235A
- Authority
- CN
- China
- Prior art keywords
- apf
- fixedly installed
- output end
- power
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/301—Cabinet-type casings; Parts thereof or accessories therefor mainly consisting of a frame onto which plates are mounted
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- 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
- Y02E40/20—Active power filtering [APF]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to technical field of electric equipment, and disclose a kind of power harmonic suppression and compensation device, including APF cabinet, the front of the APF cabinet is fixedly installed with touch display panel, the front of the APF cabinet is fixedly installed with the emergency stop switch on the right side of touch display panel, the inside of the APF cabinet is fixedly installed with partition, and the middle part movable sleeve of partition is connected to fixed frame, and active charcoal filter plate is fixedly attached on the inside of fixed frame.The power harmonic suppression and compensation device, draft fan is avoided to be collided, and the air-flow that partition enters air inlet is discharged into APF cabinet, and from gas outlet by active carbon filter plate, to make the moisture in air be tightly held by activated carbon, dehumidifying is haved the function that, matching thread bar drives loose collar mobile, so that support rod drives positioning ring mobile, to make locating rod be detached from fixed block and retract in fixed frame, have the function that convenient for removing filter screen.
Description
Technical field
The present invention relates to technical field of electric equipment, specially a kind of power harmonic suppression and compensation device.
Background technique
Since AC network active constituent is power frequency single-frequency, any ingredient different from work frequency is ok
Referred to as harmonic wave, since sinusoidal voltage stresses on nonlinear load, fundamental current is distorted generation harmonic wave, and harmonic wave causes
The power loss increase of power grid, shortened equipment life, ground protection malfunction, distant control function be not normal, route and apparatus overheat
Lamp, especially triple-frequency harmonics can generate the neutral current beaten very much, so that the neutral line current of distribution transformer is even more than phase
Line current value, causes the dangerous operation of equipment, and causes the resonance in parallel or series of substation part, causes mutual induction of voltage
The damage of device lamp apparatus, and equipment and element in transformer substation system is caused to generate additional harmonic loss, cause power transformer
The equipment heatings such as device, power cable, motor, capacitor damage, and accelerate the aging of insulating materials.
Influence of the harmonic wave to the safety of power grid, stability, reliability, which is also manifested by, may cause power grid generation resonance, makes
Normal power failure, fault spread, power grid parallel off lamp, people have developed power harmonic suppression device thus, but existing
There is no dehumidification device inside power harmonic suppression device, is easy to make power harmonic suppression device in the feelings for being equipped with the occurrence of wetness
Condition will lead to circuit and load to influence home loop, and power harmonic suppression device does not have compensation device, so that
Circuit damage.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of power harmonic suppression and compensation device, has dehumidifying, humorous
The advantages of wave inhibits and compensates solves inside existing power harmonic suppression device without dehumidification device, is easy to keep electric power humorous
Wave inhibits the phenomenon that device is being equipped with the occurrence of wetness, to influence home loop, and power harmonic suppression device is not mended
Device is repaid, circuit is will lead to and loads, so that the problem of circuit damages.
The invention provides the following technical scheme: a kind of power harmonic suppression and compensation device, including APF cabinet, the APF
The front of cabinet is fixedly installed with touch display panel, and the front of the APF cabinet is fixedly installed with positioned at touch display panel
The emergency stop switch on right side, the inside of the APF cabinet are fixedly installed with partition, and the middle part movable sleeve of the partition is connected to fixation
Frame, is fixedly attached active charcoal filter plate on the inside of the fixed frame, the left and right sides of the APF cabinet offer be located at every
Air inlet above plate, the bottom of the fixed frame are fixedly installed with handle, and the quantity of the handle is two, the APF machine
The bottom of cabinet inner wall is fixedly installed with Isolation net cover, and the bottom of the APF cabinet inner wall is fixedly installed in Isolation net cover
The draft fan in portion offers gas outlet on the left of the APF cabinet, and the left and right sides of the fixed frame offers cavity, institute
Stating APF cabinet includes APF line module, APF controller and APF power unit module, the output end of the APF line module and
The output end and input terminal of input terminal and APF controller are electrically connected, the output end and input terminal of the APF controller with
The output end and input terminal of APF power unit module are electrically connected, the output end and input terminal and APF of the APF line module
The output end and input terminal of power unit module are electrically connected, and the output end of the APF power unit module is electrically connected with electricity
Source, the output end of the power supply are electrically connected with current transformer, the output end of the current transformer and APF controller it is defeated
Enter end to be electrically connected, the output end and input terminal of the power supply are electrically connected with nonlinear load module.
Preferably, the inner wall of the cavity is fixedly installed with fixed ring, and the inside fixing sleeve of the fixed ring is connected to positioning
The outer surface fixing sleeve of bar, the locating rod is connected to positioning ring.
Preferably, the other end of the locating rod extends to the outside of fixed frame by cavity and movable sleeve is connected to fixation
Block is fixedly connected at the top of the top of the fixed block and partition.
Preferably, the outer surface of the positioning ring is fixedly installed with fixed rotating shaft, the outer surface activity of the fixed rotating shaft
It is socketed with support rod, the other end movable sleeve of the support rod is connected to positioning rotating shaft, and the side of the positioning rotating shaft is fixedly mounted
There is loose collar.
Preferably, the inside thread of the loose collar is socketed with threaded rod, and the top movable of the threaded rod is socketed with fixed
Position block, the back side of the locating piece is fixedly connected with the inner wall of cavity.
Preferably, the bottom of the threaded rod extends to the outside of fixed frame by cavity, and the outer surface of threaded rod with
The bottom of fixed frame is pivot bush unit, and the outside fixing sleeve of the fixed frame is connected to posting, the top of the posting with every
The top of plate contacts.
Preferably, the output end of the current transformer is connected with IGBT power inverter.
Be compared with the prior art, the present invention have it is following the utility model has the advantages that
1, the power harmonic suppression and compensation device protect draft fan by Isolation net cover, avoid draft fan by
To collision, and the air-flow that partition enters air inlet is arranged into APF cabinet, and from gas outlet by active carbon filter plate
Out, so that the moisture in air be made to be tightly held by activated carbon, having haved the function that dehumidifying, matching thread bar drives loose collar mobile,
So that support rod drives positioning ring movement, to make locating rod be detached from fixed block and retract in fixed frame, reach convenient for removing
The effect of strainer.
2, the power harmonic suppression and compensation device acquire current signal, APF controller point by current transformer in real time
Harmonic current part therein is separated out, IGBT power inverter generates the compensation with the harmonic wave opposite in phase equal in magnitude in system
Electric current realizes the function of filtering appts harmonic current and the function of reactive compensation, and APF output compensation electric current is according to system power
Harmonic content changes and dynamic change, in addition, APF has advanced current-limiting function, when the harmonic content that the need of system compensate holds greater than APF
When amount, APF may be limited to the output of % rated capacity, will not overload, and compensation target power factor can be by user circle
Face setting, APF is not in overfill or underfill, and compensates that electric current is smooth, and will not shove to load and power grid generation impact,
Power grid is accessed by the parallel connection of APF power unit module again, output compensation electric current realizes the purpose for filtering out harmonic wave, compensating reactive power.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the enlarged drawing of A；
Fig. 3 is harmonics restraint and compensation system figure；
Fig. 4 is reactive power compensation circuit figure.
In figure: 1, APF cabinet；2, touch display panel；3, emergency stop switch；4, partition；5, fixed frame；6, active carbon filters
Plate；7, air inlet；8, handle；9, Isolation net cover；10, draft fan；11, gas outlet；12, cavity；13, APF line module；14,
APF controller；15, APF power unit module；16, power supply；17, current transformer；18, nonlinear load module；19, fixed
Ring；20, locating rod；21, positioning ring；22, fixed block；23, fixed rotating shaft；24, support rod；25, positioning rotating shaft；26, loose collar；
27, threaded rod；28, locating piece；29, posting.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of power harmonic suppression and compensation device, including APF cabinet 1, the front of APF cabinet 1 are solid
Dingan County is equipped with touch display panel 2, and the front of APF cabinet 1 is fixedly installed with the emergency stop switch positioned at 2 right side of touch display panel
The inside of 3, APF cabinets 1 is fixedly installed with partition 4, and the middle part movable sleeve of partition 4 is connected to fixed frame 5, and the inside of fixed frame 5 is solid
Surely it is socketed with active carbon filter plate 6, the left and right sides of APF cabinet 1 offers the air inlet 7 above partition 4, fixed frame
5 bottom is fixedly installed with handle 8, and the quantity of handle 8 is two, and the bottom of 1 inner wall of APF cabinet is fixedly installed with Isolation net cover
The bottom of 9, APF cabinet, 1 inner wall is fixedly installed with the draft fan 10 inside Isolation net cover 9, and the left side of APF cabinet 1 opens up
There is gas outlet 11, the left and right sides of fixed frame 5 offers cavity 12, and APF cabinet 1 includes APF line module 13, APF control
Device 14 and APF power unit module 15, the output end and input terminal of APF line module 13 and the output end of APF controller 14 and
Input terminal is electrically connected, the output end and input terminal of APF controller 14 and the output end of APF power unit module 15 and input
End is electrically connected, the output end and input terminal of APF line module 13 and the output end of APF power unit module 15 and input terminal electricity
Property connection, the output end of APF power unit module 15 is electrically connected with power supply 16, and the output end of power supply 16 is electrically connected with electric current
The input terminal of mutual inductor 17, the output end of current transformer 17 and APF controller 14 is electrically connected, the output end of power supply 16 and defeated
Enter end and be electrically connected with nonlinear load module 18, the output end of current transformer 17 is connected with IGBT power inverter, cavity
12 inner wall is fixedly installed with fixed ring 19, and the inside fixing sleeve of fixed ring 19 is connected to locating rod 20, the outer surface of locating rod 20
Fixing sleeve is connected to positioning ring 21, and the other end of locating rod 20 extends to the outside of fixed frame 5 by cavity 12 and movable sleeve is connected to
The top of fixed block 22, fixed block 22 is fixedly connected with the top of partition 4, and the outer surface of positioning ring 21 is fixedly installed with fixed turn
Axis 23, the outer surface movable sleeve of fixed rotating shaft 23 are connected to support rod 24, and the other end movable sleeve of support rod 24 is connected to positioning rotating shaft
25, the side of positioning rotating shaft 25 is fixedly installed with loose collar 26, and the inside thread of loose collar 26 is socketed with threaded rod 27, threaded rod
27 top movable is socketed with locating piece 28, and the back side of locating piece 28 is fixedly connected with the inner wall of cavity 12, the bottom of threaded rod 27
Portion extends to the outside of fixed frame 5 by cavity 12, and the outer surface of threaded rod 27 and the bottom of fixed frame 5 are pivot bush unit,
The outside fixing sleeve of fixed frame 5 is connected to posting 29, and the top of posting 29 is contacted with the top of partition 4, passes through Isolation net cover 9
Draft fan 10 is protected, draft fan 10 is avoided to be collided, and the air-flow that partition 4 enters air inlet 7 passes through activity
Charcoal filter plate 6 is discharged into APF cabinet 1, and from gas outlet 11, so that the moisture in air be made to be tightly held by activated carbon, reaches
The effect of dehumidifying, matching thread bar 2 drive loose collar 26 mobile, so that support rod 24 drives positioning ring 21 mobile, to make
Locating rod 20 is detached from fixed block 22 and retracts in fixed frame 5, has the function that pass through current transformer 17 convenient for removing filter screen
Acquisition current signal in real time, APF controller 14 isolate harmonic current part therein, and IGBT power inverter generates and system
In harmonic wave opposite in phase equal in magnitude compensation electric current, realize filtering appts harmonic current function and reactive compensation function
Can, APF output compensation electric current changes and dynamic change according to the harmonic content of system power, in addition, APF has advanced current limliting function
Can, when the harmonic content that the need of system compensate is greater than APF capacity, APF may be limited to the output of 100% rated capacity, Bu Huifa
Raw overload, compensation target power factor can be set by user interface, and APF is not in overfill or underfill, and is compensated
Electric current is smooth, and will not shove to load and power grid generation impact, then by the access power grid in parallel of APF power unit module 15, defeated
Electric current is compensated out, realizes the purpose for filtering out harmonic wave, compensating reactive power, is solved and is not removed inside existing power harmonic suppression device
Wet device is easy to make power harmonic suppression device the case where being equipped with the occurrence of wetness, to influence home loop, and electric power
Harmonic suppression apparatus does not have compensation device, will lead to circuit and loads, so that the problem of circuit damages.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of power harmonic suppression and compensation device, including APF cabinet (1), it is characterised in that: the APF cabinet (1) is just
Face is fixedly installed with touch display panel (2), and the front of the APF cabinet (1) is fixedly installed with positioned at touch display panel (2)
The inside of the emergency stop switch (3) on right side, the APF cabinet (1) is fixedly installed with partition (4), the middle part activity of the partition (4)
It is socketed with fixed frame (5), active charcoal filter plate (6) is fixedly attached on the inside of the fixed frame (5), the APF cabinet (1)
The left and right sides offers the air inlet (7) above partition (4), and the bottom of the fixed frame (5) is fixedly installed with handle
(8), the quantity of the handle (8) is two, and the bottom of APF cabinet (1) inner wall is fixedly installed with Isolation net cover (9), institute
The bottom for stating APF cabinet (1) inner wall is fixedly installed with the draft fan (10) internal positioned at Isolation net cover (9), the APF cabinet
(1) it is offered on the left of gas outlet (11), the left and right sides of the fixed frame (5) offers cavity (12), the APF cabinet
It (1) include APF line module (13), APF controller (14) and APF power unit module (15), the APF line module (13)
Output end and input terminal and the output end and input terminal of APF controller (14) be electrically connected, the APF controller (14)
The output end and input terminal of output end and input terminal and APF power unit module (15) are electrically connected, the APF line module
(13) output end and input terminal of output end and input terminal and APF power unit module (15) are electrically connected, the APF power
The output end of unit module (15) is electrically connected with power supply (16), and the output end of the power supply (16) is electrically connected with Current Mutual Inductance
Device (17), the output end of the current transformer (17) and the input terminal of APF controller (14) are electrically connected, the power supply (16)
Output end and input terminal be electrically connected with nonlinear load module (18).
2. a kind of power harmonic suppression according to claim 1 and compensation device, it is characterised in that: the cavity (12)
Inner wall is fixedly installed with fixed ring (19), and the inside fixing sleeve of the fixed ring (19) is connected to locating rod (20), the locating rod
(20) outer surface fixing sleeve is connected to positioning ring (21).
3. a kind of power harmonic suppression according to claim 2 and compensation device, it is characterised in that: the locating rod (20)
The other end extend to the outside of fixed frame (5) and movable sleeve is connected to fixed block (22), the fixed block by cavity (12)
(22) it is fixedly connected at the top of top and partition (4).
4. a kind of power harmonic suppression according to claim 2 and compensation device, it is characterised in that: the positioning ring (21)
Outer surface be fixedly installed with fixed rotating shaft (23), the outer surface movable sleeve of the fixed rotating shaft (23) is connected to support rod (24),
The other end movable sleeve of the support rod (24) is connected to positioning rotating shaft (25), and the side of the positioning rotating shaft (25) is fixedly installed with
Loose collar (26).
5. a kind of power harmonic suppression according to claim 4 and compensation device, it is characterised in that: the loose collar (26)
Inside thread be socketed with threaded rod (27), the top movable of the threaded rod (27) is socketed with locating piece (28), the positioning
The back side of block (28) is fixedly connected with the inner wall of cavity (12).
6. a kind of power harmonic suppression according to claim 5 and compensation device, it is characterised in that: the threaded rod (27)
Bottom extend to the outsides of fixed frame (5), and the bottom of the outer surface of threaded rod (27) and fixed frame (5) by cavity (12)
Outside fixing sleeve for pivot bush unit, the fixed frame (5) is connected to posting (29), the top of the posting (29) and partition
(4) top contact.
7. a kind of power harmonic suppression according to claim 1 and compensation device, it is characterised in that: the current transformer
(17) output end is connected with IGBT power inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353475.3A CN109462235A (en) | 2018-11-14 | 2018-11-14 | A kind of power harmonic suppression and compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811353475.3A CN109462235A (en) | 2018-11-14 | 2018-11-14 | A kind of power harmonic suppression and compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109462235A true CN109462235A (en) | 2019-03-12 |
Family
ID=65610402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811353475.3A Pending CN109462235A (en) | 2018-11-14 | 2018-11-14 | A kind of power harmonic suppression and compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109462235A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034499A (en) * | 2019-04-11 | 2019-07-19 | 南京涛博能源科技有限公司 | A kind of high-tension circuit inhibition harmonic compensation cabinet |
| CN112310838A (en) * | 2020-10-19 | 2021-02-02 | 国家电网有限公司 | Electric power three-phase voltage stabilization and harmonic wave treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030169109A1 (en) * | 2002-03-11 | 2003-09-11 | Uis Abler Electronics Co., Ltd. | Active harmonic suppression equipment and control method therefor |
| CN205429732U (en) * | 2016-03-25 | 2016-08-03 | 江苏中乂电气有限公司 | Switch board of installation active power filter device |
| CN106786263A (en) * | 2017-03-02 | 2017-05-31 | 徐子腾 | It is a kind of that firm light current protection device, methods and applications are installed |
| CN108711855A (en) * | 2018-05-18 | 2018-10-26 | 江苏伊莱尔电力科技有限公司 | A kind of low noise Active Power Filter-APF |
| CN108767689A (en) * | 2018-06-26 | 2018-11-06 | 杭州新融方科技有限公司 | A kind of electric automatization control cabinet and its operating method |
-
2018
- 2018-11-14 CN CN201811353475.3A patent/CN109462235A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030169109A1 (en) * | 2002-03-11 | 2003-09-11 | Uis Abler Electronics Co., Ltd. | Active harmonic suppression equipment and control method therefor |
| CN205429732U (en) * | 2016-03-25 | 2016-08-03 | 江苏中乂电气有限公司 | Switch board of installation active power filter device |
| CN106786263A (en) * | 2017-03-02 | 2017-05-31 | 徐子腾 | It is a kind of that firm light current protection device, methods and applications are installed |
| CN108711855A (en) * | 2018-05-18 | 2018-10-26 | 江苏伊莱尔电力科技有限公司 | A kind of low noise Active Power Filter-APF |
| CN108767689A (en) * | 2018-06-26 | 2018-11-06 | 杭州新融方科技有限公司 | A kind of electric automatization control cabinet and its operating method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034499A (en) * | 2019-04-11 | 2019-07-19 | 南京涛博能源科技有限公司 | A kind of high-tension circuit inhibition harmonic compensation cabinet |
| CN112310838A (en) * | 2020-10-19 | 2021-02-02 | 国家电网有限公司 | Electric power three-phase voltage stabilization and harmonic wave treatment device |
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