CN106786650A - A kind of dynamic passive compensation and filter based on Digital Signal Processing - Google Patents
A kind of dynamic passive compensation and filter based on Digital Signal Processing Download PDFInfo
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- CN106786650A CN106786650A CN201611245688.5A CN201611245688A CN106786650A CN 106786650 A CN106786650 A CN 106786650A CN 201611245688 A CN201611245688 A CN 201611245688A CN 106786650 A CN106786650 A CN 106786650A
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- capacitance group
- breaker
- compensation
- triple line
- side triple
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- 239000000203 mixture Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- H02J3/18—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
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
- H02J3/1857—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters wherein such bridge converter is a multilevel converter
-
- 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
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of dynamic passive compensation and filter based on Digital Signal Processing, it is characterised in that：First capacitance group accesses the electric capacity between side triple line is compensated and constitutes by three groups by delta connection, second capacitance group accesses the electric capacity between side triple line is compensated and constitutes by three groups by delta connection, 3rd capacitance group accesses the electric capacity between side triple line is compensated and constitutes by three groups by star connection, 4th capacitance group accesses the electric capacity between side triple line is compensated and constitutes by three groups by star connection, three output ends of compensator are connected with compensation side triple line respectively by the second breaker with three output ends of compensation side, the each group driving switch of compensator is connected through drive module with the drive signal output end of controller, the display of controller is connected with input with touch-screen, the PORT COM of controller is connected with Internet of Things module, the present invention can effectively realize the reactive-load compensation and filtering of power network.
Description
Technical field
The invention belongs to reactive-load compensation and technical field of filtering, and in particular to a kind of dynamic nothing based on Digital Signal Processing
Work(is compensated and filter.
Background technology
With developing rapidly for the various industries of China, the scale of present power system expands day by day, but power system is fast
Speed development also results in becoming increasingly conspicuous for new contradiction and problem, and for example system architecture is more complicated, and load electricity consumption density is rapid
Increase, various complicated, accurate, sensitive to quality of power supply electrical equipments are constantly popularized, while reliability of the user to operation of power networks
The quality requirement of property and electric energy also more and more higher.
One of great number of issues is exactly the problem caused by threephase load imbalance.With the fast development of industry, alternating current
The impact loads such as arc stove, rolling mill, electric locomotive and large-scale semiconductor converter are increasing, on the one hand to industrial or agricultural
Production automation level, the raising of efficiency have huge promotion；On the other hand, due to the non-linear of them, impact and not
The use electrical characteristics of balance, not only cause voltage pulsation, flickering and three-phase imbalance, and it is humorous to inject substantial amounts of high order in systems
Ripple, has had a strong impact on the quality of power supply of system power supply, makes the normal work of user influenced to different extents.Three-phase system in fact
Unbalanced problem of uniting is long-standing.It is actual due to the presence of various unbalanced factors in the actual motion of power system
Power system is it is difficult to ensure that completely balance, the unbalanced situation of threephase load often occurs.Thus the three-phase voltage that triggers or
Current imbalance can cause a series of harm to power system and user.Three-phase imbalance can cause the additional hair of electric rotating machine
Heat and vibration, jeopardize its safe operation and normal output；Reduce hair converting equipment capacity utilization；Influence the normal of electrical equipment
Work, even with the service life serious curtailment of electric equipment.Negative-sequence current and zero sequence that asymmetric load is produced in power network
Electric current can produce harmful effect to system safety operation.The fundamental current of negative phase-sequence will cause generator, power transmission line and transformer
Added losses.The negative sequence voltage caused by negative-sequence current, is one of factor that the quality of power supply deteriorates.Therefore, it is necessary to take effectively
Measure solves the asymmetric problem of system.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of dynamic based on Digital Signal Processing
Reactive-load compensation and filter.
A kind of dynamic passive compensation and filter based on Digital Signal Processing, including：Controller, drive module, benefit
Repay device, the first capacitance group, the second capacitance group, the 3rd capacitance group, the 4th capacitance group, it is characterised in that：First capacitance group by
Three groups of electric capacity compositions accessed by delta connection between side triple line is compensated, the second capacitance group presses delta connection by three groups
The electric capacity composition between side triple line is compensated is accessed, the 3rd capacitance group is accessed in compensation side triple line by three groups by star connection
Between electric capacity composition, the 4th capacitance group by three groups by star connection access compensate side triple line between electric capacity constitute, mend
Three output ends for repaying device are connected with compensation side triple line respectively by the second breaker with three output ends of compensation side, are mended
The each group driving switch for repaying device is connected through drive module with the drive signal output end of controller, display and the input of controller
End is connected with touch-screen, and the PORT COM of controller is connected with Internet of Things module.
Preferably, the circuit between first capacitance group and compensation side triple line is provided with the first fling-cut switch and the 3rd
Breaker, the 4th breaker, the 5th breaker.
Preferably, the circuit between second capacitance group and compensation side triple line is provided with the second fling-cut switch and the 6th
Breaker, the 7th breaker, the 8th breaker.
Preferably, the circuit between the 3rd capacitance group and compensation side triple line is provided with the 3rd fling-cut switch and the 9th
Breaker.
Preferably, the circuit between the 4th capacitance group and compensation side triple line is provided with the 4th fling-cut switch and the tenth
Breaker.
Preferably, the first breaker is provided between compensation side triple line and grid side triple line.
Preferably, after first capacitance group, the second capacitance group, the 3rd capacitance group, the 4th capacitance group are arranged on cabinet
The bottom of side, touch-screen and Internet of Things module are arranged on the bottom on front side of cabinet, and compensator and controller are arranged on the upper of cabinet
Portion.
Preferably, the controller is by drive module and the first breaker, the second breaker, the 3rd breaker, the 4th
Breaker, the 5th breaker, the 6th breaker, the 7th breaker, the 8th breaker, the 9th breaker, the tenth breaker, first
Fling-cut switch, the second fling-cut switch, the 3rd fling-cut switch, the 4th fling-cut switch are connected.
Compared with prior art, beneficial effects of the present invention：
The present invention to the electric current and voltage digital signal that gather separate and calculated so as to control each group to break by controller
The break-make of road device and fling-cut switch, realizes the reactive-load compensation and filtering of power network, can reach the purpose of three-phase equilibrium compensation；Simultaneously
The present invention can stablize the voltage of receiving end and power network, improve power supply quality；In the unbalanced occasion of threephase load, by idle
Compensation can balance the active and reactive load of three-phase.
Brief description of the drawings
Fig. 1 is a kind of structural representation of dynamic passive compensation and filter based on Digital Signal Processing of the present invention.
Fig. 2 is the structural representation of compensator in the present invention.
Fig. 3 is the front view of cabinet in the present invention.
Fig. 4 is the rearview of cabinet in the present invention.
In figure, 1 is touch-screen, and 2 is Internet of Things module, and 3 is controller, and 4 is drive module, and 5 is cabinet, and A0, B0, C0 are
The triple line of grid side, N0 is the zero line of grid side, and A1, B1, C1 are the triple line for compensating side, and N1 is the zero line for compensating side, QF1
It is the first to the tenth breaker to QF10, SVG is compensator, and FK1 to FK4 is first to fourth fling-cut switch, and JC1 to JC4 is
First to fourth capacitance group, BL is arrester.
Specific embodiment
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of dynamic passive compensation and filter based on Digital Signal Processing, bag
Include：Controller 3, drive module 4, compensator SVG, the first capacitance group JC1, the second capacitance group JC2, the 3rd capacitance group JC3, the 4th
Capacitance group JC4, it is characterised in that：The first capacitance group JC1 by three groups by delta connection access compensation side triple line it
Between electric capacity composition, the second capacitance group JC2 by three groups by delta connection access compensate side triple line between electric capacity constitute,
3rd capacitance group JC3 by three groups by star connection access compensate side triple line between electric capacity constitute, the 4th capacitance group JC4 by
Three groups of electric capacity compositions accessed by star connection between side triple line is compensated, three output ends of compensator SVG pass through second
Circuit breaker Q F2 is connected with compensation side triple line respectively with three output ends of compensation side, each group driving switch of compensator SVG
It is connected with the drive signal output end of controller 3 through drive module 4, the display of controller 3 is connected with input with touch-screen 1
Connect, the PORT COM of controller 3 is connected with Internet of Things module 2.
Circuit between the first capacitance group JC1 and compensation side triple line is provided with the first fling-cut switch FK1 and the 3rd
Circuit breaker Q F3, the 4th circuit breaker Q F4, the 5th circuit breaker Q F5.
Circuit between the second capacitance group JC2 and compensation side triple line is provided with the second fling-cut switch FK2 and the 6th
Circuit breaker Q F6, the 7th circuit breaker Q F7, the 8th circuit breaker Q F8.
Circuit between the 3rd capacitance group JC3 and compensation side triple line is provided with the 3rd fling-cut switch FK3 and the 9th
Circuit breaker Q F9.
Circuit between the 4th capacitance group JC4 and compensation side triple line is provided with the 4th fling-cut switch FK4 and the tenth
Circuit breaker Q F10.
The first circuit breaker Q F1 is provided between compensation side triple line and grid side triple line.
The first capacitance group JC1, the second capacitance group JC2, the 3rd capacitance group JC3, the 4th capacitance group JC4 are arranged on cabinet
The bottom of 5 rear side, touch-screen 1 and Internet of Things module 2 are arranged on the bottom of the front side of cabinet 5, and compensator SVG and controller 3 are pacified
Mounted in the top of cabinet 5.
The controller 3 by the circuit breaker Q F1 of drive module 4 and first, the second circuit breaker Q F2, the 3rd circuit breaker Q F3,
4th circuit breaker Q F4, the 5th circuit breaker Q F5, the 6th circuit breaker Q F6, the 7th circuit breaker Q F7, the 8th circuit breaker Q F8, the 9th are broken
Road device QF9, the tenth circuit breaker Q F10, the first fling-cut switch FK1, the second fling-cut switch FK2, the 3rd fling-cut switch FK3, the 4th throw
Pass FK4 is cut to be connected.
Technical solution of the present invention is exemplarily described above in conjunction with accompanying drawing to invention, it is clear that the present invention is implemented
It is not subject to the restrictions described above, as long as employ the various unsubstantialities that the method for the present invention is conceived and technical scheme is carried out changing
Enter, or it is not improved the design of invention and technical scheme are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (8)
1. a kind of dynamic passive compensation and filter based on Digital Signal Processing, including：Controller (3), drive module
(4), compensator (SVG), the first capacitance group (JC1), the second capacitance group (JC2), the 3rd capacitance group (JC3), the 4th capacitance group
(JC4), it is characterised in that：First capacitance group (JC1) is accessed between side triple line is compensated by three groups by delta connection
Electric capacity composition, the second capacitance group (JC2) by three groups by delta connection access compensate side triple line between electric capacity constitute,
3rd capacitance group (JC3) accesses the electric capacity between side triple line is compensated and constitutes by three groups by star connection, the 4th capacitance group
(JC4) access the electric capacity between side triple line is compensated by star connection by three groups to constitute, three output ends of compensator (SVG)
It is connected with compensation side triple line respectively with three output ends of compensation side by the second breaker (QF2), compensator (SVG)
Each group driving switch is connected through drive module (4) with the drive signal output end of controller (3), the display of controller (3) with
Input is connected with touch-screen (1), and the PORT COM of controller (3) is connected with Internet of Things module (2).
2. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：Circuit between first capacitance group (JC1) and compensation side triple line is provided with the first fling-cut switch (FK1) and the 3rd and breaks
Road device (QF3), the 4th breaker (QF4), the 5th breaker (QF5).
3. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：Circuit between second capacitance group (JC2) and compensation side triple line is provided with the second fling-cut switch (FK2) and the 6th and breaks
Road device (QF6), the 7th breaker (QF7), the 8th breaker (QF8).
4. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：Circuit between 3rd capacitance group (JC3) and compensation side triple line is provided with the 3rd fling-cut switch (FK3) and the 9th and breaks
Road device (QF9).
5. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：Circuit between 4th capacitance group (JC4) and compensation side triple line is provided with the 4th fling-cut switch (FK4) and the tenth and breaks
Road device (QF10).
6. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：The first breaker (QF1) is provided between compensation side triple line and grid side triple line.
7. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：First capacitance group (JC1), the second capacitance group (JC2), the 3rd capacitance group (JC3), the 4th capacitance group (JC4) are arranged on
The bottom of the rear side of cabinet (5), the bottom of touch-screen (1) and Internet of Things module (2) on front side of cabinet (5), compensator
(SVG) and controller (3) installed in cabinet (5) top.
8. as claimed in claim 1 a kind of dynamic passive compensation and filter based on Digital Signal Processing, its feature exist
In：The controller (3) is by drive module (4) and the first breaker (QF1), the second breaker (QF2), the 3rd breaker
(QF3), the 4th breaker (QF4), the 5th breaker (QF5), the 6th breaker (QF6), the 7th breaker (QF7), the 8th are broken
Road device (QF8), the 9th breaker (QF9), the tenth breaker (QF10), the first fling-cut switch (FK1), the second fling-cut switch
(FK2), the 3rd fling-cut switch (FK3), the 4th fling-cut switch (FK4) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245688.5A CN106786650A (en) | 2016-12-29 | 2016-12-29 | A kind of dynamic passive compensation and filter based on Digital Signal Processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245688.5A CN106786650A (en) | 2016-12-29 | 2016-12-29 | A kind of dynamic passive compensation and filter based on Digital Signal Processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106786650A true CN106786650A (en) | 2017-05-31 |
Family
ID=58929173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245688.5A Pending CN106786650A (en) | 2016-12-29 | 2016-12-29 | A kind of dynamic passive compensation and filter based on Digital Signal Processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN106786650A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691621A (en) * | 2024-01-31 | 2024-03-12 | 山东新大陆电力股份有限公司 | Low-voltage switch capacitance compensation cabinet based on Internet of things |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN102983583A (en) * | 2012-12-22 | 2013-03-20 | 张家港保税区天翔电气有限公司 | Reactive capacitance compensation cabinet |
| CN104065092A (en) * | 2014-06-04 | 2014-09-24 | 毛四新 | Intelligent balance compensation method and apparatus |
| CN105762812A (en) * | 2014-12-17 | 2016-07-13 | 利思电气（上海）有限公司 | Reactive power compensation device based on active-inverter and capacitor-switching function |
-
2016
- 2016-12-29 CN CN201611245688.5A patent/CN106786650A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN102983583A (en) * | 2012-12-22 | 2013-03-20 | 张家港保税区天翔电气有限公司 | Reactive capacitance compensation cabinet |
| CN104065092A (en) * | 2014-06-04 | 2014-09-24 | 毛四新 | Intelligent balance compensation method and apparatus |
| CN105762812A (en) * | 2014-12-17 | 2016-07-13 | 利思电气（上海）有限公司 | Reactive power compensation device based on active-inverter and capacitor-switching function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117691621A (en) * | 2024-01-31 | 2024-03-12 | 山东新大陆电力股份有限公司 | Low-voltage switch capacitance compensation cabinet based on Internet of things |
| CN117691621B (en) * | 2024-01-31 | 2024-04-12 | 山东新大陆电力股份有限公司 | Low-voltage switch capacitance compensation cabinet based on Internet of things |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Yan Inventor after: Xiao Yongjun Inventor after: Guo Xiuyuan Inventor after: Tang Jun Inventor before: Xiao Yongjun Inventor before: Guo Xiuyuan Inventor before: Tang Jun |
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Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |