CN205544282U - Active power filter device - Google Patents
Active power filter device Download PDFInfo
- Publication number
- CN205544282U CN205544282U CN201620271086.6U CN201620271086U CN205544282U CN 205544282 U CN205544282 U CN 205544282U CN 201620271086 U CN201620271086 U CN 201620271086U CN 205544282 U CN205544282 U CN 205544282U
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- CN
- China
- Prior art keywords
- resistance
- active power
- filter
- harmonic
- main control
- 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.)
- Expired - Fee Related
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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
- Y02E40/20—Active power filtering [APF]
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses an active power filter device, be in including shell and setting the circuit breaker of shell one side, the circuit breaker bottom sets up the thermovent, the shell inboard sets up communication interface, just communication interface's bottom sets up the main control unit, main control unit one side sets up the anti ware of high frequency electric, just the anti ware of high frequency electric one side sets up the transformer, transformer and resistance contact, just resistance with set up the PWM modulator between the main control unit, the resistance bottom sets up filter capacitor, just filter capacitor one side sets up output filter reactor, this kind of active power filter device can dynamic suppression harmonic, carries out the quickly tracking compensation to the harmonic of equidimension and frequency not to form and wave filter that the transformer stepped up combine, administer high -pressure harmonic, and power failure trouble and the time that the harmonic arouses is reduced to effectual reduction harmonic generating heat in cable, switch, transformer, improves utilization ratio reduction operation costs such as electrical power supply.
Description
Technical field
This utility model relates to a kind of filter apparatus, specifically a kind of active power filter device, belongs to power equipment application
Technical field.
Background technology
Electric-power filter is a kind of for dynamic harmonic wave, the power electronic equipment of compensating reactive power, be used for reducing harmonic wave cable,
Heating in switch, transformator reduces power-off fault and the time that harmonic wave causes, and improves the utilization rate minimizings such as electric supply and runs into
This, but traditional passive filter mainly can filter repeatedly and higher hamonic wave simultaneously, also can cause resonance and cannot mend
Repay harmonic wave and the idle imbalance that causes, and traditional active filter cannot suppress harmonic voltage, suppression voltage pulsation also cannot
Suppression out-of-balance current, it is impossible to effectively and timely harmonic wave is quickly compensated.Therefore, for the problems referred to above, one is proposed active
Power filter device.
Utility model content
Having problems for above-mentioned prior art, this utility model provides a kind of active power filter device, with transformer boost
Form and wave filter combine, suppression voltage pulsation and administer high pressure harmonic wave, when Active Power Filter-APF needs to mend harmonic wave
Repay when reaching balancing filter, PWM modulator will compensation quick to harmonic wave, filter reactor filtering prevents unbalanced harmonic big
Amount generation is broken down, and solves problem present in background technology.
For achieving the above object, the technical solution adopted in the utility model is: a kind of active power filter device, including shell
And it being arranged on the chopper of described shell side, described chopper bottom arranges thermovent；Arrange communication inside described shell to connect
Mouthful, and the bottom of described communication interface arranges main control unit；Described main control unit side arranges radio-frequency rector, and described high frequency
Reactor side arranges transformator；Between described transformator and Ohmic contact, and described resistance and described main control unit, PWM is set
Manipulator；Described resistance bottom arranges filter capacitor, and described filter capacitor side arranges output filter reactor.
Further, described transformator is equal with described resistor area, and described transformator, described resistance and described filter capacitor
It is electrically connected with between device inside.
Further, it is slidably connected between described shell, and the anglec of rotation between described shell is 0 °-180 °.
Further, described filter capacitor is parallel with described output filter reactor, and described filter capacitor and described output
It is electrically connected with between filter reactor inside.
Further, described PWM modulator is arranged on the top of described transformator and resistance.
The beneficial effects of the utility model are: this kind of active power filter device simple in construction, with the form of transformer boost and
Wave filter combines, suppression voltage pulsation and improvement high pressure harmonic wave, combines with resistance and filter capacitor, controls electric current by resistance,
Suppression out-of-balance current, when Active Power Filter-APF need harmonic wave is compensated reach balancing filter time, PWM modulator is just
Can compensation quick to harmonic wave, harmonics restraint is filtered and prevents from unbalanced harmonic from producing in a large number breaking down, in a word should by filter reactor
New device will effectively suppress harmonic voltage, suppression voltage pulsation, suppression out-of-balance current, reduce harmonic wave cable, switch,
Heating in transformator reduces power-off fault and the time that harmonic wave causes, and improves the utilization rates such as electric supply and reduces operation cost, makes
With safe and reliable.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure schematic diagram.
In figure: 1, PWM modulator, 2, shell, 3, chopper, 4, resistance, 5, filter capacitor, 6, thermovent, 7,
Communication interface, 8, main control unit, 9, radio-frequency rector, 10, transformator, 11, output filter reactor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by.Obviously, described embodiment is only a part of embodiment of this utility model rather than whole embodiments.
Based on the embodiment in this utility model, the institute that those of ordinary skill in the art are obtained under not making creative work premise
There are other embodiments, broadly fall into the scope of this utility model protection.
As it is shown in figure 1, a kind of active power filter device, including shell 2 and the open circuit that is arranged on described shell 2 side
Device 3, described chopper 3 bottom arranges thermovent 6；Communication interface 7, and described communication interface 7 are set inside described shell 2
Bottom main control unit 8 is set；Described main control unit 8 side arranges radio-frequency rector 9, and described radio-frequency rector 9 side sets
Put transformator 10；Described transformator 10 contacts with resistance 4, and arranges PWM between described resistance 4 and described main control unit 8
Manipulator 1；Described resistance 4 bottom arranges filter capacitor 5, and described filter capacitor 5 side arranges output filter reactor
11。
As optimisation technique scheme of the present utility model: described transformator 10 and described resistance 4 area equation, and described transformator
10, it is electrically connected with between described resistance 4 and described filter capacitor 5 inside；It is slidably connected between described shell 2, and described
The anglec of rotation between shell 2 is 0 °-180 °；Described filter capacitor 5 is parallel with described output filter reactor 11, and
It is electrically connected with between described filter capacitor 5 and described output filter reactor 11 inside；Described PWM modulator 1 is arranged on institute
State the top of transformator 10 and resistance 4.
In use, active filter is by monitoring harmonic signal in real time, when communication interface 7 receives harmonic wave to this utility model
Sending signal by radio-frequency rector 9, it is equal that arrival filter capacitor 5 then PWM controller 1 controls to send amplitude, phase place
Identical, in opposite direction electric current, offsets harmonic current, thus reaches to suppress the effect of harmonic wave.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and not
In the case of deviating from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore,
No matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model
Limited by claims rather than described above, it is intended that will fall in the implication of equivalency and scope of claim
All changes include in this utility model.Should not be considered as limiting involved right by any reference in claim
Requirement.
The above, preferred embodiment the most of the present utility model, not in order to limit this utility model, every according to this practicality
Any trickle amendment, equivalent and the improvement that above example is made by novel technical spirit, should be included in this practicality new
Within the protection domain of type technical scheme.
Claims (5)
1. an active power filter device, including shell (2) and the chopper (3) that is arranged on described shell (2) side,
It is characterized in that: described chopper (3) bottom arranges thermovent (6)；Described shell (2) inner side arranges communication interface (7),
And the bottom of described communication interface (7) arranges main control unit (8)；Described main control unit (8) side arranges radio-frequency rector (9),
And described radio-frequency rector (9) side arranges transformator (10)；Described transformator (10) contacts with resistance (4), and institute
State and PWM modulator (1) is set between resistance (4) and described main control unit (8)；Described resistance (4) bottom arranges filtering
Capacitor (5), and described filter capacitor (5) side arrange output filter reactor (11).
A kind of active power filter device the most according to claim 1, it is characterised in that: described transformator (10) with
Described resistance (4) area equation, and described transformator (10), described resistance (4) are internal with described filter capacitor (5)
Between be electrically connected with.
A kind of active power filter device the most according to claim 1, it is characterised in that: sliding between described shell (2)
It is dynamically connected, and the anglec of rotation between described shell (2) is 0 °-180 °.
A kind of active power filter device the most according to claim 1, it is characterised in that: described filter capacitor (5)
Parallel with described output filter reactor (11), and described filter capacitor (5) is interior with described output filter reactor (11)
It is electrically connected with between portion.
A kind of active power filter device the most according to claim 1, it is characterised in that: described PWM modulator (1)
It is arranged on the top of described transformator (10) and resistance (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271086.6U CN205544282U (en) | 2016-04-03 | 2016-04-03 | Active power filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620271086.6U CN205544282U (en) | 2016-04-03 | 2016-04-03 | Active power filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544282U true CN205544282U (en) | 2016-08-31 |
Family
ID=57141162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620271086.6U Expired - Fee Related CN205544282U (en) | 2016-04-03 | 2016-04-03 | Active power filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544282U (en) |
-
2016
- 2016-04-03 CN CN201620271086.6U patent/CN205544282U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170403 |