CN216959034U - Power grid harmonic active filtering compensation device - Google Patents
Power grid harmonic active filtering compensation device Download PDFInfo
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- CN216959034U CN216959034U CN202123201247.4U CN202123201247U CN216959034U CN 216959034 U CN216959034 U CN 216959034U CN 202123201247 U CN202123201247 U CN 202123201247U CN 216959034 U CN216959034 U CN 216959034U
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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
- Y02E40/20—Active power filtering [APF]
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Abstract
The utility model discloses a power grid harmonic wave active filtering compensation device which comprises an active filtering compensator main body and a single door. This active filtering compensation arrangement of electric wire netting harmonic has seted up the opening through the position department that is close to the bottom on the single-open door, when using, start the air discharge fan, outside air passes through the inside that the air intake got into the active filtering compensator main part when the air discharge fan takes out the inside air of active filtering compensator main part, can form the air flow path from bottom to top in the inside of active filtering compensator main part like this, thereby carry out comprehensive heat extraction to the inside of active filtering compensator main part, the inside filter screen of air discharge fan and the filter screen of air intake front end can be to the dust in the isolated air simultaneously, prevent that the dust in the air from getting into the inside of active filtering compensator main part, and the apron passes through fixing bolt installation fixed, conveniently dismantle the clearance, the solution is that heat extraction rate is slow, and the relatively poor problem of dustproof effect.
Description
Technical Field
The utility model relates to the technical field of active filter compensators, in particular to a power grid harmonic active filter compensation device.
Background
The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, can compensate harmonic waves with changed size and frequency and reactive power, can overcome the defects of traditional harmonic wave inhibition and reactive power compensation methods such as an LC filter and the like, realizes dynamic tracking compensation, can compensate harmonic waves and reactive power, has wider and more market application and more quantity along with the popularization and application of clean energy and new energy at home and abroad and the requirement on electric energy quality at a user side and a power grid side, particularly under the background of rapid development of an intelligent power grid, the application of the product in a new energy power generation grid-connected and intelligent transformer substation becomes national standard configuration, the market application amount of the high-voltage active filter device is quite huge, and the complete set of high-voltage modularized active power filters is a 6kV/10kV high-voltage APF system taking an APF module structure as a core, and the active filtering technology of the IGBT power semiconductor device is adopted, so that the IGBT power semiconductor device has the outstanding advantages of high response speed, high reliability, dynamic tracking and filtering of each harmonic wave, no influence of system parameter change, no harmonic wave amplification danger and the like.
However, in the use process of the power grid harmonic active filtering compensation device, the following are found: the heat extraction rate is slow, and the dustproof effect is poor; the function is poor because the falling protection structure is not provided; inconvenient movement and time and labor waste in carrying; aiming at the problems, an active filtering compensation device for power grid harmonic waves is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power grid harmonic active filter compensation device to solve the problems of low heat removal rate and poor dustproof effect in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a power grid harmonic active filtering compensation device comprises an active filtering compensator main body and a single-door, wherein the single-door is movably hinged to the front end of the active filtering compensator main body, a display is fixedly mounted on the single-door on one side of the front end of the active filtering compensator main body, indicator lamps are respectively arranged at the top end and the bottom end of the display, anti-falling protective structures are respectively arranged on two sides of the active filtering compensator main body, each anti-falling protective structure comprises a groove body, a buffer block, a spring and a rubber pad, a supporting mechanism convenient to move is arranged at the bottom end of the active filtering compensator main body, and each supporting mechanism convenient to move comprises a supporting plate, a cylinder, supporting legs, through holes and trundles;
the utility model discloses an air filter compensator, including the single door, the single door is opened and is seted up the opening in the position department that is close to the bottom on the door, the open-ended front end is provided with the apron, the air intake has evenly been seted up on the apron, fixing bolt has been run through respectively at the both ends of apron both sides, the top fixedly connected with box of active filter compensator main part, the front end of box is provided with four groups of air discharge fans, the inside of air intake and the front end of air discharge fan respectively fixedly connected with filter screen.
Preferably, the cover plate is fixedly installed at the front end of the opening through a fixing bolt, air inlets in the cover plate are distributed at equal intervals, and the interior of the box body is communicated with the interior of the active filter compensator main body.
Preferably, the groove bodies are fixedly connected to two ends of two sides of the active filter compensator main body respectively, one side of the inside of the groove body is fixedly connected with a spring, one side of the spring is fixedly connected with a buffer block, and one side of the buffer block is fixedly connected with a rubber pad.
Preferably, one side of the buffer block is embedded in the groove body, and one side of the buffer block forms a telescopic structure in the groove body.
Preferably, both ends of active filtering compensator main part bottom are fixedly connected with stabilizer blade respectively, the both sides fixed mounting of active filtering compensator main part bottom has the cylinder, the output fixedly connected with backup pad of cylinder, the both ends of backup pad bottom are swing joint respectively has the truckle, the through-hole has been seted up respectively at the both ends of backup pad.
Preferably, the diameter of the leg is smaller than the diameter of the inside of the through hole, and the leg penetrates the inside of the through hole.
Preferably, the active filter compensator main body comprises a connection cabinet, a power cabinet and a control cabinet, the connection cabinet comprises an incoming line connection accessory, the power cabinet comprises an APF module unit and a control unit, and the control unit comprises a main control unit, an HMI (human machine interface), a control power supply and a control loop and is used for controlling, parameter setting, inquiring and external interface setting of the whole set of system.
Compared with the prior art, the utility model has the beneficial effects that: the power grid harmonic active filtering compensation device not only realizes high heat extraction rate and good dustproof effect, but also realizes a toppling protection structure, has strong functionality, and realizes convenient movement and time and labor saving in carrying;
(1) an opening is arranged at a position close to the bottom end on a single-opening door, a cover plate is arranged at the front end of the opening, air inlets are uniformly formed in the cover plate, fixing bolts penetrate through two ends of two sides of the cover plate respectively, a box body is fixedly connected to the top end of an active filter compensator main body, four groups of exhaust fans are arranged at the front end of the box body, filter screens are fixedly connected to the inside of the air inlets and the front ends of the exhaust fans respectively, when the active filter compensator main body is used, the exhaust fans are started, the exhaust fans exhaust air in the active filter compensator main body, meanwhile, external air enters the active filter compensator main body through the air inlets, an air flow passage from bottom to top can be formed in the active filter compensator main body, accordingly, comprehensive heat extraction is carried out on the inside of the active filter compensator main body, and meanwhile, the filter screens in the exhaust fans and the filter screens at the front ends of the air inlets can isolate dust in the air, dust in the air is prevented from entering the active filter compensator main body, and the cover plate is installed and fixed through the fixing bolt, so that the active filter compensator is convenient to disassemble and clean;
(2) the active filter compensator is characterized in that the active filter compensator main body is fixedly connected to two ends of two sides of the active filter compensator main body through the groove body respectively, one side inside the groove body is fixedly connected with a spring, one side of the spring is fixedly connected with a buffer block, and one side of the buffer block is fixedly connected with a rubber pad;
(3) both ends through active filter compensator main part bottom are fixedly connected with stabilizer blade respectively, the both sides fixed mounting of active filter compensator main part bottom has the cylinder, the output fixedly connected with backup pad of cylinder, the both ends swing joint respectively of backup pad bottom has the truckle, the through-hole has been seted up respectively at the both ends of backup pad, when carrying the device, start the cylinder, cylinder drive backup pad pushes down, the backup pad can be vertical downstream under the guide effect of stabilizer blade, the truckle contact ground that makes the backup pad bottom is unsettled in the bottom that makes the stabilizer blade, can promote active filter compensator main part through the truckle like this and remove, be convenient for shift and carry the device.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged structural diagram of a front view section of the trough body of the present invention;
FIG. 3 is an enlarged front view of a portion of a section of the supporting plate according to the present invention;
FIG. 4 is a front view of the cover plate according to the present invention;
FIG. 5 is a system diagram of the present invention.
In the figure: 1. an active filter compensator body; 2. a display; 3. an indicator light; 4. a trough body; 5. a support plate; 6. a cylinder; 7. an opening; 8. a cover plate; 9. a single door is opened; 10. a box body; 11. an exhaust fan; 12. A buffer block; 13. a spring; 14. a rubber pad; 15. a support leg; 16. a through hole; 17. a caster wheel; 18. an air inlet; 19. a filter screen; 20. and (5) fixing the bolt.
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.
Example 1: referring to fig. 1-5, an active power grid harmonic wave filtering compensation device comprises an active power grid compensator main body 1 and a single-door 9, wherein the single-door 9 is movably hinged at the front end of the active power grid compensator main body 1, a display 2 is fixedly mounted on the single-door 9 at one side of the front end of the active power grid compensator main body 1, indicator lights 3 are respectively arranged at the top end and the bottom end of the display 2, anti-falling protection structures are respectively arranged at two sides of the active power grid compensator main body 1, each anti-falling protection structure comprises a tank body 4, a buffer block 12, a spring 13 and a rubber pad 14, a support mechanism convenient to move is arranged at the bottom end of the active power grid compensator main body 1 and comprises a support plate 5, a cylinder 6, support legs 15, through holes 16 and casters 17;
the active filter compensator main body 1 consists of a connecting cabinet, a power cabinet and a control cabinet, wherein the connecting cabinet comprises an incoming line connecting accessory, the power cabinet comprises an APF module unit and a control unit, and the control unit consists of a main control unit, an HMI (human machine interface), a control power supply and a control loop and is used for controlling, parameter setting, inquiring and external interface setting of the whole set of system;
an opening 7 is formed in the position, close to the bottom end, of the single-opening door 9, a cover plate 8 is arranged at the front end of the opening 7, air inlets 18 are uniformly formed in the cover plate 8, fixing bolts 20 penetrate through two ends of two sides of the cover plate 8 respectively, a box body 10 is fixedly connected to the top end of the active filter compensator main body 1, four groups of exhaust fans 11 are arranged at the front end of the box body 10, and filter screens 19 are fixedly connected to the inner portion of each air inlet 18 and the front end of each exhaust fan 11 respectively;
the cover plate 8 is fixedly arranged at the front end of the opening 7 through a fixing bolt 20, air inlets 18 on the cover plate 8 are distributed at equal intervals, and the interior of the box body 10 is communicated with the interior of the active filter compensator main body 1;
specifically, as shown in fig. 1 and 4, when the air filter is used, the exhaust fan 11 is started, external air enters the inside of the active filter compensator main body 1 through the air inlet 18 while the air inside the active filter compensator main body 1 is drawn out by the exhaust fan 11, so that an air flow path from bottom to top can be formed inside the active filter compensator main body 1, thereby comprehensively exhausting heat inside the active filter compensator main body 1, meanwhile, the filter screen 19 inside the exhaust fan 11 and the filter screen 19 at the front end of the air inlet 18 can isolate dust in the air, prevent the dust in the air from entering the inside of the active filter compensator main body 1, and the cover plate 8 is fixedly installed through the fixing bolt 20, so that the air filter is convenient to disassemble and clean.
Example 2: the active filter compensator comprises a groove body 4, a spring 13, a buffer block 12, a rubber pad 14, a rubber pad 12, a buffer block 12 and a telescopic structure, wherein the groove body 4 is fixedly connected to two ends of two sides of an active filter compensator main body 1 respectively;
specifically, as shown in fig. 1 and 2, when the active filter compensator main body 1 is used, if the active filter compensator main body 1 is collided and topples over, the buffer block 12 can contract towards the inside of the tank body 4, the spring 13 can buffer the buffer block 12, and the rubber pad 14 is matched, so that the active filter compensator main body 1 can be well buffered and damped, and the internal components can be prevented from being damaged due to large vibration generated when the active filter compensator main body is toppled over.
Example 3: the two ends of the bottom of the active filter compensator main body 1 are respectively and fixedly connected with supporting legs 15, the two sides of the bottom of the active filter compensator main body 1 are fixedly provided with air cylinders 6, the output end of each air cylinder 6 is fixedly connected with a supporting plate 5, the two ends of the bottom of each supporting plate 5 are respectively and movably connected with a caster 17, and the two ends of each supporting plate 5 are respectively provided with a through hole 16;
the diameter of the leg 15 is smaller than the diameter of the inside of the through hole 16, and the leg 15 penetrates through the inside of the through hole 16;
specifically, as shown in fig. 1 and 3, when the device is transported, the air cylinder 6 is started, the air cylinder 6 drives the support plate 5 to press downwards, the support plate 5 moves vertically downwards under the guiding effect of the support legs 15, the casters 17 at the bottom of the support plate 5 contact the ground and the bottom of the support legs 15 is suspended, so that the active filter compensator main body 1 can be pushed to move through the casters 17, and the device can be transported and transported conveniently.
The working principle is as follows: when the active power filter complete device is used, firstly, the single-phase compensation capacity of a single APF module of the high-voltage modularized active power filter complete device is 15A (10kV), the maximum 10 modules work in parallel, when the active power filter complete device works, the exhaust fan 11 is started, the exhaust fan 11 extracts air in the active filter compensator main body 1, and simultaneously, external air enters the active filter compensator main body 1 through the air inlet 18, so that an air flow passage from bottom to top can be formed in the active filter compensator main body 1, therefore, the internal heat of the active filter compensator main body 1 is comprehensively exhausted, meanwhile, the filter screen 19 in the exhaust fan 11 and the filter screen 19 at the front end of the air inlet 18 can isolate dust in the air, the dust in the air is prevented from entering the active filter compensator main body 1, and the cover plate 8 is fixedly installed through the fixing bolt 20, convenient dismantlement clearance, secondly if active filter compensator main part 1 receives the collision and takes place to empty, buffer block 12 can be to the inside shrink of cell body 4, spring 13 can cushion buffer block 12, rubber pad 14 of arranging again, can carry out better buffering shock attenuation to active filter compensator main part 1 like this, it leads to the inner assembly to damage to produce great vibrations when preventing it to empty, at last when carrying the device, start cylinder 6, cylinder 6 drive backup pad 5 pushes down, backup pad 5 can be vertical downstream under stabilizer blade 15's guide effect, the bottom that makes the truckle 17 contact ground of backup pad 5 bottom and make stabilizer blade 15 is unsettled, can promote active filter compensator main part 1 through truckle 17 like this and remove, be convenient for shift and carry the device.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a power grid harmonic active filter compensation arrangement, includes active filter compensator main part (1) and single-open door (9), its characterized in that: the active filter compensator is characterized in that the single-door (9) is movably hinged to the front end of the active filter compensator main body (1), a display (2) is fixedly mounted on the single-door (9) on one side of the front end of the active filter compensator main body (1), indicator lamps (3) are respectively arranged at the top end and the bottom end of the display (2), anti-falling protective structures are respectively arranged on two sides of the active filter compensator main body (1), each anti-falling protective structure comprises a groove body (4), a buffer block (12), a spring (13) and a rubber pad (14), a support mechanism convenient to move is arranged at the bottom end of the active filter compensator main body (1), and each support mechanism convenient to move comprises a support plate (5), a cylinder (6), support legs (15), through holes (16) and trundles (17);
the utility model discloses an active filter compensator, including singly open door (9), the position department that is close to the bottom has seted up opening (7), the front end of opening (7) is provided with apron (8), air intake (18) have evenly been seted up on apron (8), fixing bolt (20) have been run through respectively at the both ends of apron (8) both sides, the top fixedly connected with box (10) of active filter compensator main part (1), the front end of box (10) is provided with four groups air discharge fan (11), the inside of air intake (18) and the front end difference fixedly connected with filter screen (19) of air discharge fan (11).
2. The active filtering compensation device for power grid harmonics according to claim 1, wherein: the cover plate (8) is fixedly installed at the front end of the opening (7) through a fixing bolt (20), air inlets (18) in the cover plate (8) are distributed at equal intervals, and the interior of the box body (10) is communicated with the interior of the active filter compensator main body (1).
3. The active filtering compensation device for power grid harmonics according to claim 1, wherein: the active filter compensator is characterized in that the groove bodies (4) are fixedly connected to two ends of two sides of the active filter compensator main body (1) respectively, one side of the inside of the groove bodies (4) is fixedly connected with springs (13), one side of each spring (13) is fixedly connected with a buffer block (12), and one side of each buffer block (12) is fixedly connected with a rubber pad (14).
4. The active filtering compensation device for power grid harmonics according to claim 1, wherein: one side of the buffer block (12) is embedded in the groove body (4), and one side of the buffer block (12) forms a telescopic structure in the groove body (4).
5. The active filtering compensation device for power grid harmonics according to claim 1, wherein: the active filter compensator is characterized in that two ends of the bottom of the active filter compensator main body (1) are respectively and fixedly connected with support legs (15), two sides of the bottom of the active filter compensator main body (1) are fixedly provided with cylinders (6), an output end of each cylinder (6) is fixedly connected with a support plate (5), two ends of the bottom of each support plate (5) are respectively and movably connected with trundles (17), and through holes (16) are respectively formed in two ends of each support plate (5).
6. The active filtering compensation device for power grid harmonics according to claim 1, wherein: the diameter of the support leg (15) is smaller than the diameter of the inside of the through hole (16), and the support leg (15) penetrates through the inside of the through hole (16).
7. The active filtering compensation device for power grid harmonics according to claim 1, wherein: the active filter compensator main body (1) is composed of a connecting cabinet, a power cabinet and a control cabinet, the connecting cabinet comprises an incoming line connecting accessory, the power cabinet comprises an APF module unit and a control unit, and the control unit is composed of a main control unit, an HMI (human machine interface), a control power supply and a control loop and is used for controlling, parameter setting, inquiring and external interface setting of the whole set of system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123201247.4U CN216959034U (en) | 2021-12-16 | 2021-12-16 | Power grid harmonic active filtering compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123201247.4U CN216959034U (en) | 2021-12-16 | 2021-12-16 | Power grid harmonic active filtering compensation device |
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| Publication Number | Publication Date |
|---|---|
| CN216959034U true CN216959034U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123201247.4U Active CN216959034U (en) | 2021-12-16 | 2021-12-16 | Power grid harmonic active filtering compensation device |
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| Country | Link |
|---|---|
| CN (1) | CN216959034U (en) |
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2021
- 2021-12-16 CN CN202123201247.4U patent/CN216959034U/en active Active
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