CN201374561Y - High-voltage dynamic type composite source power filter - Google Patents
High-voltage dynamic type composite source power filter Download PDFInfo
- Publication number
- CN201374561Y CN201374561Y CN200920099257U CN200920099257U CN201374561Y CN 201374561 Y CN201374561 Y CN 201374561Y CN 200920099257 U CN200920099257 U CN 200920099257U CN 200920099257 U CN200920099257 U CN 200920099257U CN 201374561 Y CN201374561 Y CN 201374561Y
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- transformer
- filter
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- power
- phase inverter
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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
- Y02E40/40—Arrangements for reducing harmonics
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- Supply And Distribution Of Alternating Current (AREA)
- Power Conversion In General (AREA)
Abstract
The utility model relates to a high-voltage dynamic type composite source power filter consisting of a voltage mutual inductor (1), a 110kV feeder bus (2), a main transformer (3), a current transformer (4), a 10KV feeder (5), a linear load (6), a non-linear load (7 ), a switching ripple filter (8), a digital controller (9), a single-tuned passive filter group (10), a direct current-side capacitor (11), a three-phase inverter bridge (12), a coupling transformer (13) and a protective component (14). The power filter can remove harmonic components of 6kV-10kV power network change in a filtering way, thus preventing harmonic wave from damaging high-voltage power products, prolonging the service life of high-voltage electrical appliances, purifying the power network, and suppressing harmonic pollution on the power network.
Description
Technical field:
The utility model relates to a kind of high pressure dynamic type multiple source electric-power filter.
Background technology:
At present; China has mainly adopted, passive series-parallel connection filter; by optocoupler transducer, passive filter, active filter, high speed digital signal processor, pulse width modulation amplifier, protector shoves ... it is the low-order harmonic that contains big harmonic energy by the passive filter filtering; eliminate high order harmonic component by active filter; can automatic filter to HVDC (High Voltage Direct Current) transmission system, intercept harmonic wave and inject electrical network.In addition, the employing method is mainly under the prerequisite that satisfies the ac bus harmonic performance, satisfy requirement of engineering by designing a kind of new alternating current filter pattern BP11/BP13, this alternating current filter adopts two single tuned filter BP11 and BP13 scheme in parallel to form double-tuned filter.Uses above equipment and method can produce overvoltage, can produce the reactive power of first-harmonic during operation, and filter effect depends on the quality factor of circuit that the loss of circuit is bigger.
The utility model content:
The purpose of this utility model provides a kind of high pressure dynamic type multiple source electric-power filter, it can carry out filtering to the harmonic components that the 6kv-10kv electrical network changes, avoid the destruction of harmonic wave to the high-tension electricity product, prolong the useful life of High-Voltage Electrical Appliances, purify electrical network, suppress harmonic pollution in electric power net, idle in simultaneously can compensation network, outstanding energy savings effect.Simultaneously, the idle Fast Dynamic of carrying out is followed the tracks of compensation, and compensation characteristic is not subjected to the influence of electric network impedance.Thereby be the modern novel electric power equipment that substitutes idle filter.
In order to solve the existing problem of background technology; the utility model is by the following technical solutions: it is by voltage transformer 1; 110KV power lead 2; main transformer 3; current transformer 4; 10KV feeder line 5; linear load 6; nonlinear load 7; switch ripple filter 8; digitial controller 9; single tuning passive filter group 10; dc bus capacitor device 11; three phase inverter bridge 12; coupling transformer 13 and protection component 14 are formed; voltage transformer 1 upper end ground connection; the lower end is connected with protection component 14; 110KV power lead 2 is connected with main transformer 3 upper ends; main transformer 3 lower ends are connected with the upper end of the lower end summation current transformer 4 of protection component 14; the upper end of the lower end summation current transformer 4 of protection component 14 is connected with digitial controller 9; switch ripple filter 8 lower ends are connected with single tuning passive filter group 10 upper ends; main transformer 3 lower ends and switch ripple filter 8 upper ends and linear load 6; nonlinear load 7 connects; single tuning passive filter group 10 lower ends are connected with an end of coupling transformer 13; the other end of coupling transformer 13 is connected with three phase inverter bridge 12; dc bus capacitor device 11 is attempted by three phase inverter bridge 12 two ends, and three phase inverter bridge 12 is connected with digitial controller 9.
The utility model can carry out filtering to the harmonic components that the 6kv-10kv electrical network changes, and avoids the destruction of harmonic wave to the high-tension electricity product, prolongs the useful life of High-Voltage Electrical Appliances, purify electrical network, suppress harmonic pollution in electric power net, idle in simultaneously can compensation network, outstanding energy savings effect.Simultaneously, the idle Fast Dynamic of carrying out is followed the tracks of compensation, and compensation characteristic is not subjected to the influence of electric network impedance.Thereby be the modern novel electric power equipment that substitutes idle filter.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Embodiment:
With reference to Fig. 1; this embodiment is by the following technical solutions: it is by voltage transformer 1; 110KV power lead 2; main transformer 3; current transformer 4; 10KV feeder line 5; linear load 6; nonlinear load 7; switch ripple filter 8; digitial controller 9; single tuning passive filter group 10; dc bus capacitor device 11; three phase inverter bridge 12; coupling transformer 13 and protection component 14 are formed; voltage transformer 1 upper end ground connection; the lower end is connected with protection component 14; 110KV power lead 2 is connected with main transformer 3 upper ends; main transformer 3 lower ends are connected with the upper end of the lower end summation current transformer 4 of protection component 14; the upper end of the lower end summation current transformer 4 of protection component 14 is connected with digitial controller 9; switch ripple filter 8 lower ends are connected with single tuning passive filter group 10 upper ends; main transformer 3 lower ends and switch ripple filter 8 upper ends and linear load 6; nonlinear load 7 connects; single tuning passive filter group 10 lower ends are connected with an end of coupling transformer 13; the other end of coupling transformer 13 is connected with three phase inverter bridge 12; dc bus capacitor device 11 is attempted by three phase inverter bridge 12 two ends, and three phase inverter bridge 12 is connected with digitial controller 9.
This embodiment adopts high speed optoelectronic coupling isolation module to carry out the harmonic wave Detection ﹠ Controling; Adopt two DSP redundancy structure flow controllers to realize adaptive-filtering and reactive power compensation; Adopt the high-power pulse width modulated power supply of PWM to drive the high-power three phase inverter bridge of GTO, finish drive circuit and various protective circuit.
This embodiment performance reaches following index:
(1), the total percent harmonic distortion of voltage＜3%;
(2), dynamic response time＜4ms;
(3), 3.5.7.11 subharmonic current rejection rate all reaches more than 90%;
(4), make power factor of electric network reach 0.999.
This embodiment can be carried out filtering to the harmonic components that the 6kv-10kv electrical network changes, and avoids the destruction of harmonic wave to the high-tension electricity product, prolongs the useful life of High-Voltage Electrical Appliances, purify electrical network, suppress harmonic pollution in electric power net, idle in simultaneously can compensation network, outstanding energy savings effect.Simultaneously, the idle Fast Dynamic of carrying out is followed the tracks of compensation, and compensation characteristic is not subjected to the influence of electric network impedance.Thereby be the modern novel electric power equipment that substitutes idle filter.
Claims (1)
1; a kind of high pressure dynamic type multiple source electric-power filter; it is characterized in that it is by voltage transformer (1); 110KV power lead (2); main transformer (3); current transformer (4); 10KV feeder line (5); linear load (6); nonlinear load (7); switch ripple filter (8); digitial controller (9); single tuning passive filter group (10); dc bus capacitor device (11); three phase inverter bridge (12); coupling transformer (13) and protection component (14) are formed; voltage transformer (1) upper end ground connection; the lower end is connected with protection component (14); 110KV power lead (2) is connected with main transformer (3) upper end; main transformer (3) lower end is connected with the upper end of the lower end summation current transformer (4) of protection component (14); the upper end of the lower end summation current transformer (4) of protection component (14) is connected with digitial controller (9); switch ripple filter (8) lower end is connected with single tuning passive filter group (10) upper end; main transformer (3) lower end and switch ripple filter (8) upper end and linear load (6); nonlinear load (7) connects; single tuning passive filter group (10) lower end is connected with an end of coupling transformer (13); the other end of coupling transformer (13) is connected with three phase inverter bridge (12); dc bus capacitor device (11) is attempted by three phase inverter bridge (12) two ends, and three phase inverter bridge (12) is connected with digitial controller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920099257U CN201374561Y (en) | 2009-03-06 | 2009-03-06 | High-voltage dynamic type composite source power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920099257U CN201374561Y (en) | 2009-03-06 | 2009-03-06 | High-voltage dynamic type composite source power filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201374561Y true CN201374561Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920099257U Expired - Fee Related CN201374561Y (en) | 2009-03-06 | 2009-03-06 | High-voltage dynamic type composite source power filter |
Country Status (1)
| Country | Link |
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| CN (1) | CN201374561Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595048A (en) * | 2013-11-18 | 2014-02-19 | 湖南大学 | Mixed induction type active electric power filter system |
| CN103595049A (en) * | 2013-11-20 | 2014-02-19 | 上海坤友电气有限公司 | Single-tuning power grid low-frequency inter-harmonic passive power filter |
| CN112531712A (en) * | 2020-12-08 | 2021-03-19 | 国网山东省电力公司电力科学研究院 | Harmonic damping method and device for parallel capacitor bank |
-
2009
- 2009-03-06 CN CN200920099257U patent/CN201374561Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595048A (en) * | 2013-11-18 | 2014-02-19 | 湖南大学 | Mixed induction type active electric power filter system |
| CN103595048B (en) * | 2013-11-18 | 2016-05-18 | 湖南大学 | A kind of induction type active power filtering system of mixing |
| CN103595049A (en) * | 2013-11-20 | 2014-02-19 | 上海坤友电气有限公司 | Single-tuning power grid low-frequency inter-harmonic passive power filter |
| CN112531712A (en) * | 2020-12-08 | 2021-03-19 | 国网山东省电力公司电力科学研究院 | Harmonic damping method and device for parallel capacitor bank |
| CN112531712B (en) * | 2020-12-08 | 2022-04-29 | 国网山东省电力公司电力科学研究院 | Harmonic damping method and device for parallel capacitor bank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20110306 |