CN206401899U - 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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- CN206401899U CN206401899U CN201621465816.2U CN201621465816U CN206401899U CN 206401899 U CN206401899 U CN 206401899U CN 201621465816 U CN201621465816 U CN 201621465816U CN 206401899 U CN206401899 U CN 206401899U
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- 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
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- 239000004065 semiconductor Substances 0.000 description 1
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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
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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
- Y02E40/40—Arrangements for reducing harmonics
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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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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Abstract
The utility model discloses a kind of dynamic passive compensation and filter based on Digital Signal Processing, it is characterised in that：First capacitance group is made up of three groups of electric capacity accessed by delta connection between compensation side triple line, second capacitance group is made up of three groups of electric capacity accessed by delta connection between compensation side triple line, 3rd capacitance group is made up of three groups of electric capacity accessed by star connection between compensation side triple line, 4th capacitance group is made up of three groups of electric capacity accessed by star connection between compensation side triple line, three output ends of compensator are connected with compensation side triple line respectively by the second breaker with compensating three output ends of 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 utility model can effectively realize the reactive-load compensation and filtering of power network.
Description
Technical field
The utility model belongs to reactive-load compensation and technical field of filtering, and in particular to a kind of dynamic based on Digital Signal Processing
State reactive-load compensation 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 user is to the reliable of 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 problems caused by threephase load is uneven.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 complete 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；Reduction hair transformer 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 as 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.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art there is provided a kind of based on Digital Signal Processing
Dynamic passive 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 accessed by delta connection between compensation side triple line are constituted, and the second capacitance group presses delta connection by three groups
The electric capacity composition accessed between compensation side triple line, 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 compensation 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 compensating three output ends of side, are mended
The each group driving switch for repaying device is connected through drive module with the drive signal output end of controller, the display and 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, first capacitance group, the second capacitance group, the 3rd capacitance group, the 4th capacitance group are arranged on after 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 passes through 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, the beneficial effects of the utility model：
The utility model carries out separation to the electric current and voltage digital signal of collection by controller and calculates each so as to control
The break-make of group breaker and fling-cut switch, realizes the reactive-load compensation and filtering of power network, can reach the purpose of three-phase equilibrium compensation；
The utility model can stablize the voltage of receiving end and power network simultaneously, improve power supply quality；In the unbalanced occasion of threephase load,
The active and reactive load of three-phase can be balanced by reactive-load compensation.
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 utility model
Figure.
Fig. 2 is the structural representation of compensator in the utility model.
Fig. 3 is the front view of cabinet in the utility model.
Fig. 4 is the rearview of cabinet in the utility model.
In figure, 1 is touch-screen, and 2 be Internet of Things module, and 3 be controller, and 4 be drive module, and 5 be 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 of compensation side, and N1 is the zero line of compensation 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.
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 compensation side triple line between electric capacity constitute,
3rd capacitance group JC3 by three groups by star connection access compensation side triple line between electric capacity constitute, the 4th capacitance group JC4 by
Three groups of electric capacity accessed by star connection between compensation side triple line are constituted, and compensator SVG three output ends pass through second
Circuit breaker Q F2 is connected with compensation side triple line respectively with compensating three output ends of side, compensator SVG each group driving switch
It is connected through drive module 4 with the drive signal output end of controller 3, 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.
Utility model is exemplarily described above in conjunction with accompanying drawing for technical solutions of the utility model, it is clear that this practicality
New implement is not subject to the restrictions described above, as long as employing method design of the present utility model and technical scheme progress
Various unsubstantialities improve, or it is not improved the design of utility model and technical scheme are directly applied into other occasions,
Within protection domain of the present utility model.
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 compensation side triple line by three groups by delta connection
Electric capacity composition, the second capacitance group (JC2) by three groups by delta connection access compensation side triple line between electric capacity constitute,
3rd capacitance group (JC3) is made up of three groups of electric capacity accessed by star connection between compensation side triple line, the 4th capacitance group
(JC4) it is made up of three groups of electric capacity accessed by star connection between compensation side triple line, three output ends of compensator (SVG)
It is connected respectively with compensation side triple line with compensating three output ends of 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. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：Circuit between first capacitance group (JC1) and compensation side triple line is disconnected provided with the first fling-cut switch (FK1) and the 3rd
Road device (QF3), the 4th breaker (QF4), the 5th breaker (QF5).
3. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：Circuit between second capacitance group (JC2) and compensation side triple line is disconnected provided with the second fling-cut switch (FK2) and the 6th
Road device (QF6), the 7th breaker (QF7), the 8th breaker (QF8).
4. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：Circuit between 3rd capacitance group (JC3) and compensation side triple line is disconnected provided with the 3rd fling-cut switch (FK3) and the 9th
Road device (QF9).
5. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：Circuit between 4th capacitance group (JC4) and compensation side triple line is disconnected provided with the 4th fling-cut switch (FK4) and the tenth
Road device (QF10).
6. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：The first breaker (QF1) is provided between compensation side triple line and grid side triple line.
7. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, 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), touch-screen (1) and Internet of Things module (2) are arranged on the bottom on front side of cabinet (5), compensator
(SVG) and controller (3) be arranged on cabinet (5) top.
8. a kind of dynamic passive compensation and filter based on Digital Signal Processing as claimed in claim 1, its feature exist
In：The controller (3) passes through 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 |
|---|---|---|---|
| CN201621465816.2U CN206401899U (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 |
|---|---|---|---|
| CN201621465816.2U CN206401899U (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 |
|---|---|
| CN206401899U true CN206401899U (en) | 2017-08-11 |
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ID=59515832
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465816.2U Active CN206401899U (en) | 2016-12-29 | 2016-12-29 | A kind of dynamic passive compensation and filter based on Digital Signal Processing |
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| Country | Link |
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2016
- 2016-12-29 CN CN201621465816.2U patent/CN206401899U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU PERFECT ELECTRIC TECHNOLOGY CO.,LTD. Assignor: JIANGSU YUEDA ELECTRIC POWER EQUIPMENT CO.,LTD. Contract record no.: X2023320000257 Denomination of utility model: A Dynamic Reactive Power Compensation and Filtering Device Based on Digital Signal Processing Granted publication date: 20170811 License type: Common License Record date: 20231220 |
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| EE01 | Entry into force of recordation of patent licensing contract |