CN205160087U - Load balancing and reactive power compensator - Google Patents
Load balancing and reactive power compensator Download PDFInfo
- Publication number
- CN205160087U CN205160087U CN201520868051.6U CN201520868051U CN205160087U CN 205160087 U CN205160087 U CN 205160087U CN 201520868051 U CN201520868051 U CN 201520868051U CN 205160087 U CN205160087 U CN 205160087U
- Authority
- CN
- China
- Prior art keywords
- dsp processor
- load balancing
- reactive power
- power compensator
- utility
- 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
- Y02E40/30—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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Inverter Devices (AREA)
Abstract
The utility model discloses a load balancing and reactive power compensator, including casing and the lid of setting on the casing the lid on be provided with the display screen shell backend be provided with 3 sense terminals the sense terminal in be provided with current transformer the inside DSP treater that is provided with of casing the DSP treater on be provided with with the processing circuit that is connected of current transformer the DSP treater on be connected with IGBT drive, IGBT drive be connected with three -phase load circuit respectively through three dc -to -ac converter the casing inside be provided with with the electric energy quality analysis appearance that is connected of DSP treater, DSP treater, electric energy quality analysis appearance respectively through the circuit with the display screen be connected. The utility model discloses a current detection is carried out to three -phase load circuit to the adoption, then passes through the balance of current compensation circuit three -phase load.
Description
Technical field
The utility model relates to a kind of load balancing and reactive power compensator.
Background technology
When the three-phase current of public same group of bus capacitor occurs uneven, transmission line is easily caused to there is potential safety hazard, while infringement being brought to electrical network, the efficiency of power consumption equipment can be reduced, increase the energy consumption of power consumption equipment, increase electronic equipment and the failure rate by electric line, affect electricity consumption and transmission of electricity safety.
Utility model content
The purpose of this utility model is to provide a kind of load balancing and reactive power compensator, can improve prior art Problems existing, carries out current detecting, then by the balance of current compensation realizing circuit threephase load by adopting to three-phase load circuit.
The utility model is achieved through the following technical solutions:
A kind of load balancing and reactive power compensator, comprise housing and be arranged on the lid of housing upper end, described lid is provided with display screen, described housing rear end is provided with 3 test sides, current transformer is provided with in described test side, described enclosure interior is provided with dsp processor, described dsp processor is provided with the signal processing circuit be connected with described current transformer, described dsp processor is connected with IGBT drive, described IGBT is driven through three inverters and is connected with three-phase load circuit respectively, the power quality analyzer be connected with described dsp processor is provided with in described enclosure interior, described dsp processor, power quality analyzer is connected with described display screen respectively by circuit.
Further, for realizing the utility model better, described dsp processor is provided with CAN interface.
Further, for realizing the utility model better, described dsp processor is provided with wireless transport module.
Further, for realizing the utility model better, described housing is provided with the external antenna be connected with described wireless transport module.
Further, for realizing the utility model better, also comprise external memorizer, described external memorizer is connected with described power quality analyzer, dsp processor respectively.
The utility model compared with prior art, has following beneficial effect:
(1) the utility model detects threephase load current values respectively by employing three current transformers, after dsp processor process, realizes threephase load electric energy quality optimizing, improves the stability that circuit runs;
(2) the utility model is by adopting power quality analyzer, can carry out visual inspection, by external display screen, can facilitate staff's obtaining information directly perceived, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model electrical block diagram.
Wherein: 101. housings, 102. lids, 103. display screens, 104. test sides, 105.DSP processor, 106. external antennas, 107. power quality analyzers.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As Fig. 1, shown in 2, a kind of load balancing and reactive power compensator, comprise housing 101 and be arranged on the lid 102 of housing 101 upper end, described lid 102 is provided with display screen 103, described housing 101 rear end is provided with 3 test sides 104, current transformer is provided with in described test side 104, described housing 101 inside is provided with dsp processor 105, described dsp processor 105 is provided with the signal processing circuit be connected with described current transformer, described dsp processor 105 is connected with IGBT drive, described IGBT is driven through three inverters and is connected with three-phase load circuit respectively, described housing 101 inside is provided with the power quality analyzer 107 be connected with described dsp processor 105, described dsp processor 105, power quality analyzer 107 is connected with described display screen 103 respectively by circuit.
The current values of threephase load is detected by the test side 104 be connected with current transformer, and send it to signal processing circuit, signal processing circuit is sent to dsp processor analysis after conversion bias treatment, dsp processor will analyze the idle content of load current, then control pwm signal generator according to settings to send control signal and drive to IGBT, thus drive threephase load line current generation inversion, realize adjustment and the compensation of threephase load electric current.
Owing to being provided with power quality analyzer, conveniently the numerical value of measuring and adjustation can being intuitively sent to display and showing.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, and the conveniently Signal transmissions of the utility model and outside line, preferably, adopts CAN as transmission means, in the present embodiment, described dsp processor 105 is provided with CAN interface.By adopting CAN signal transmission, Signal transmissions can be made more reliable.
Conveniently Signal transmissions, in the present embodiment, preferably, described dsp processor 105 is provided with wireless transport module.Described wireless transport module can be wifi module or GPRS module, can need to arrange according to equipment.
In order to improve wireless signal transmission intensity, in the present embodiment, preferably, described housing 101 is provided with the external antenna 106 be connected with described wireless transport module.
In order to avoid the limited memory of dsp processor and power quality analyzer causes impact to use, in the present embodiment, preferably, also comprise external memorizer, described external memorizer is connected with described power quality analyzer 107, dsp processor 105 respectively.In running, store information by external memorizer, facilitate staff to check.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. a load balancing and reactive power compensator, it is characterized in that: comprise housing (101) and be arranged on the lid (102) of housing (101) upper end, described lid (102) is provided with display screen (103), described housing (101) rear end is provided with 3 test sides (104), current transformer is provided with in described test side (104), described housing (101) inside is provided with dsp processor (105), described dsp processor (105) is provided with the signal processing circuit be connected with described current transformer, described dsp processor (105) is connected with IGBT drive, described IGBT is driven through three inverters and is connected with three-phase load circuit respectively, the power quality analyzer (107) be connected with described dsp processor (105) is provided with in described housing (101) inside, described dsp processor (105), power quality analyzer (107) is connected with described display screen (103) respectively by circuit.
2. a kind of load balancing according to claim 1 and reactive power compensator, is characterized in that: on described dsp processor (105), be provided with CAN interface.
3. a kind of load balancing according to claim 1 and 2 and reactive power compensator, is characterized in that: on described dsp processor (105), be provided with wireless transport module.
4. a kind of load balancing according to claim 3 and reactive power compensator, is characterized in that: on described housing (101), be provided with the external antenna (106) be connected with described wireless transport module.
5. a kind of load balancing according to claim 1 and reactive power compensator, it is characterized in that: also comprise external memorizer, described external memorizer is connected with described power quality analyzer (107), dsp processor (105) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868051.6U CN205160087U (en) | 2015-11-03 | 2015-11-03 | Load balancing and reactive power compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520868051.6U CN205160087U (en) | 2015-11-03 | 2015-11-03 | Load balancing and reactive power compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205160087U true CN205160087U (en) | 2016-04-13 |
Family
ID=55695739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520868051.6U Expired - Fee Related CN205160087U (en) | 2015-11-03 | 2015-11-03 | Load balancing and reactive power compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205160087U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099934A (en) * | 2016-06-19 | 2016-11-09 | 哈尔滨理工大学 | A kind of low-voltage platform area power quality controlling device |
-
2015
- 2015-11-03 CN CN201520868051.6U patent/CN205160087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099934A (en) * | 2016-06-19 | 2016-11-09 | 哈尔滨理工大学 | A kind of low-voltage platform area power quality controlling device |
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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: 20160413 Termination date: 20181103 |