CN206585327U - Active neutral conductor filtering compensation device - Google Patents
Active neutral conductor filtering compensation device Download PDFInfo
- Publication number
- CN206585327U CN206585327U CN201720296744.1U CN201720296744U CN206585327U CN 206585327 U CN206585327 U CN 206585327U CN 201720296744 U CN201720296744 U CN 201720296744U CN 206585327 U CN206585327 U CN 206585327U
- Authority
- CN
- China
- Prior art keywords
- current
- filtering compensation
- neutral conductor
- compensation device
- compensating
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model is related to a kind of active neutral conductor filtering compensation device, active neutral conductor filtering compensation device, high speed digital signal processor and two active power filtering compensation circuits in parallel including electrical connection, each active power filtering compensation circuit includes instruction current computing circuit and three compensating current generators, the instruction current computing circuit includes the first current signal collector and three the second current signal collectors, three second current signal collectors are in parallel, and a compensating current generator of connecting respectively, the second current signal collector other end connects the first current signal collector, the compensating current generator includes IGBT module.
Description
Technical field
The utility model belongs to technical field of electric equipment, more particularly to a kind of active neutral conductor filtering compensation device.
Background technology
At present, in recent years, as social economy improves, the raising of living standards of the people, industry and residential electricity consumption are largely carried
Rise, therefore there is huge difference the switch time of substantial amounts of electrical equipment, causes to occur in that on traditional low-pressure delivery circuit greatly
Harmonic wave is measured, power attenuation can be caused to increase, power supply fine, the electrical equipment lost of life, intelligent data system down is damaged, and is accelerated
Cable aging insulation breakdown, triggers fire when serious；
Alternating current 220V input switch power supply is powered, and produces typical 3 times of subharmonic, 3 times of subharmonic currents are in three-phase and four-line
It is same-phase in system, only constitutes loop on the neutral conductor (zero line), has both made the triple line current balance type of power supply, zero line electricity
It is many that stream can also exceed phase line current.
System harmonicses and zero line over-current harm：Power attenuation can be caused to increase, the electrical equipment lost of life, intelligent data system
System failure, accelerates cable aging insulation breakdown, triggers fire when serious；Transformer temperature is too high, intelligent switch tripping operation, endangers whole
The safe operation of individual electric power system.
The content of the invention
Shortcoming of the utility model for one or more presence in the prior art is filtered there is provided a kind of active neutral conductor
Compensation device.
In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：
A kind of active neutral conductor filtering compensation device, including the high speed digital signal processor of electrical connection and two it is in parallel
Active power filtering compensation circuit, each active power filtering compensation circuit includes instruction current computing circuit and three compensation electric current hairs
Raw device, the instruction current computing circuit includes the first current signal collector and three the second current signal collectors, described
Three the second current signal collectors are in parallel, and a compensating current generator of connecting respectively, the second current signal collection
The device other end connects the first current signal collector, and the compensating current generator includes IGBT module.
As a kind of embodiment, the compensating current generator includes anti-electrical equipment, the anti-electrical equipment and IGBT module
Series connection.
As a kind of embodiment, first current signal collector includes current transformer, the Current Mutual Inductance
Device series connection second current signal collector.
As a kind of embodiment, compensating current generator includes capacitance component, the capacitance component and IGBT module
It is in parallel.
As a kind of embodiment, the capacitance component includes two electric capacity, two electric capacity series connection.
As a kind of embodiment, opened between the first current collector and the compensating current generator provided with air
Close.
The utility model is as a result of above technical scheme, with significant technique effect：
The active neutral conductor filtering compensation device of the utility model, quickly can filter out 3 times of subharmonic that LED is produced by 5ms, make
The harmonic wave of utility network is injected less than permissible value as defined in national standard GB/T14549 and annex, thoroughly filters out 3 times times of zero line loop
Harmonic current；Improve voltage current waveform, Eliminate highter harmonic interference and zero line overcurrent can especially extend and other electrically set
Standby service life, has ensured the operation safety of electric power system；The Switching Power Supply of LED produces capacitive reactive power, power because
Number advanced more than 0.85, the active neutral conductor filter of the utility model can send lagging reactive power automatically, make its power because
Number greatly improves transformer utilization factor up to more than 0.95, reduces transformer iron loss, copper loss, elimination because of power rate deficiency power supply fine
And intelligent switch tripping operation, economize on electricity nearly 5%~15%.Overcurrent protection is provided with, overvoltage protection, harmonic resonance protection makes filtering
Compensation equipment is safe and reliable to operation, power network and user's electrical equipment is exempted harmonic wave interference and exempts from the destruction of harmonic resonance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is circuit diagram of the present utility model；
Fig. 2 is placement environment schematic of the present utility model.
Embodiment
The utility model is described in further detail with reference to embodiment, following examples are to the utility model
Explanation and the utility model is not limited to following examples.
Embodiment l：
A kind of active neutral conductor filtering compensation device, as shown in figure 1, the high speed digital signal processor including electrical connection and
Two active power filtering compensation circuits in parallel, each active power filtering compensation circuit includes instruction current computing circuit and three
Compensating current generator, the instruction current computing circuit includes the first current signal collector and three the second current signals are adopted
Storage, three second current signal collectors are in parallel, and connect respectively a compensating current generator, second electric current
The signal picker other end connects the first current signal collector, and the compensating current generator includes IGBT module.
The compensating current generator includes anti-electrical equipment, and the anti-electrical equipment is connected with IGBT module.
First current signal collector includes current transformer, current transformer series connection the second electric current letter
Number collector.
Compensating current generator includes capacitance component, the capacitance component and IGBT module parallel.
The capacitance component includes two electric capacity, two electric capacity series connection.
Air switch is provided between first current collector and the compensating current generator.
As shown in Fig. 2 this active neutral conductor filtering compensation device is provided in the device inside a kind of impact molding machine, punching
Pressing machine, which is provided with casing 1, casing 1, is provided with cooling fan, and heat emission hole 2 is provided with the corresponding position of radiating machine on casing 1.
Provided with display touch-screen 4 on the outside of casing.Casing includes being provided with tank bracket in chamber door 3, chamber door 3.
The active neutral conductor filtering compensation device of the utility model, is using modern power electronics technology and based on high-speed dsp
The novel electric power harmonic wave control special equipment that the Digital Signal Processing of device is made；It is by instruction current computing circuit and benefit
Repay two major part compositions of current occuring circuit.Electric current in the real-time monitoring wire of instruction current computing circuit, and will simulation
Current signal is converted to data signal, and feeding high speed digital signal processor (DSP) is handled signal, by harmonic wave and fundamental wave
Separation, and driving pulse is sent out to compensation current occuring circuit with pulsewidth modulation (PWM) signal form, drive IGBT power moulds
Block, generate it is equal with mains by harmonics current amplitude, it is opposite polarity compensation electric current inject power network, harmonic current is compensated or
Offset, actively eliminate electric harmonic, again can sufficiently compensating reactive power；Suppress three-phase imbalance and voltage pulsation；Computer in operation
The various electrical energy parameters of monitoring display in real time；Whole service process carries out digital control scheme from motion tracking and adjust automatically operational factor.
Furthermore, it is necessary to explanation, the specific embodiment described in this specification, is named the shape of its parts and components
Title etc. can be different.All equivalent or simple changes done according to the construction of the utility model inventional idea, feature and principle, are wrapped
Include in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can be to described
Specific embodiment is made various modifications or supplement or substituted using similar mode, without departing from knot of the present utility model
Structure surmounts scope defined in the claims, all should belong to protection domain of the present utility model.
Claims (6)
1. a kind of active neutral conductor filtering compensation device, it is characterised in that high speed digital signal processor including electrical connection and
Two active power filtering compensation circuits in parallel, each active power filtering compensation circuit includes instruction current computing circuit and three
Compensating current generator, the instruction current computing circuit includes the first current signal collector and three the second current signals are adopted
Storage, three second current signal collectors are in parallel, and connect respectively a compensating current generator, second electric current
The signal picker other end connects the first current signal collector, and the compensating current generator includes IGBT module.
2. active neutral conductor filtering compensation device according to claim 1, it is characterised in that：The compensating current generator
Including anti-electrical equipment, the anti-electrical equipment is connected with IGBT module.
3. active neutral conductor filtering compensation device according to claim 1, it is characterised in that：First current signal is adopted
Storage includes current transformer, the current transformer series connection second current signal collector.
4. active neutral conductor filtering compensation device according to claim 1, it is characterised in that the compensating current generator
Including capacitance component, the capacitance component and IGBT module parallel.
5. active neutral conductor filtering compensation device according to claim 4, it is characterised in that the capacitance component includes two
Individual electric capacity, two electric capacity series connection.
6. active neutral conductor filtering compensation device according to claim 1, it is characterised in that first current collector
Air switch is provided between the compensating current generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296744.1U CN206585327U (en) | 2017-03-24 | 2017-03-24 | Active neutral conductor filtering compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296744.1U CN206585327U (en) | 2017-03-24 | 2017-03-24 | Active neutral conductor filtering compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206585327U true CN206585327U (en) | 2017-10-24 |
Family
ID=60113967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720296744.1U Active CN206585327U (en) | 2017-03-24 | 2017-03-24 | Active neutral conductor filtering compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206585327U (en) |
-
2017
- 2017-03-24 CN CN201720296744.1U patent/CN206585327U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102496950B (en) | Power unit grid-connected and feedback device for high-voltage concatenated frequency converter | |
| CN202353232U (en) | High-voltage cascaded inverter power unit grid-connection feedback device | |
| CN206697944U (en) | A kind of three-phase imbalance adjusting means | |
| CN204304441U (en) | A kind of reactive power dynamic compensation system | |
| CN206975148U (en) | A kind of detecting system of reactive power compensator | |
| CN201466724U (en) | Intelligent single-phase power saving protective controller | |
| CN205178513U (en) | Static reactive power compensator of intelligence | |
| CN206585327U (en) | Active neutral conductor filtering compensation device | |
| CN107453360A (en) | A kind of power supply quality optimizes device and method | |
| CN103515959B (en) | The excellent ripple case of a kind of energy-conserving intelligent filtering compensation metering integrated protection | |
| CN207819456U (en) | A kind of power distribution network three-phase voltage compensation device based on independent voltage injection | |
| CN201805228U (en) | Special low-voltage active power filter for tobacco industry | |
| CN203983990U (en) | Combined parallel filtering compensation arrangement in low voltage complete set | |
| CN204333950U (en) | A kind of electric power system two CSTR single-phase earthing extinguishing arc equipment | |
| CN106026132A (en) | Intelligent power grid voltage reactive power adjustment device | |
| CN203466568U (en) | Energy-saving intelligent filtering compensation measurement comprehensive protection wave optimization cabinet | |
| CN203416174U (en) | High-performance static power transformation intermediate frequency power supply | |
| CN202930939U (en) | Intelligent type three phase electricity-saving appliance | |
| CN102545223A (en) | High-voltage dynamic filtering power-saving device for mine | |
| CN202103427U (en) | Static state filtering reactive compensation cabinet | |
| CN205986131U (en) | N line overcurrent protector is administered to active disequilibrium of low pressure three -phase four -wire power supply | |
| CN205583671U (en) | Energy -conserving reactor | |
| CN205945073U (en) | Idle adjusting device of smart power grids voltage | |
| CN203691226U (en) | Novel high-frequency switching power supply power factor correction apparatus | |
| CN207339269U (en) | The special filtering compensation device of extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |