CN103023343A - Three-phase 24-pulse traction rectifier transformer - Google Patents
Three-phase 24-pulse traction rectifier transformer Download PDFInfo
- Publication number
- CN103023343A CN103023343A CN2012105410728A CN201210541072A CN103023343A CN 103023343 A CN103023343 A CN 103023343A CN 2012105410728 A CN2012105410728 A CN 2012105410728A CN 201210541072 A CN201210541072 A CN 201210541072A CN 103023343 A CN103023343 A CN 103023343A
- Authority
- CN
- China
- Prior art keywords
- phase
- transformer
- phase shifting
- shifting angle
- pulse
- 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.)
- Pending
Links
Images
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
- Y02E40/10—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
Landscapes
- Rectifiers (AREA)
Abstract
The invention relates to a three-phase 24-pulse traction rectifier transformer. The three-phase 24-pulse traction rectifier transformer consists of two 12-pulse rectifier transformers, wherein the phase-shifting angle of high-voltage windings of the three-phase 24-pulse traction rectifier transformer can be subjected to double-gear adjustment at 7.5 DEG; and the phase-shifting angle of the high-voltage windings is adjusted, and the phase-shifting angle of the output voltage of the three-phase 24-pulse traction rectifier transformer is 7.5 DEG. When a plurality of three-phase 24-pulse traction rectifier transformers are operated in parallel, the phase angle of the high-voltage windings of one three-phase 24-pulse traction rectifier transformer (gear 1) is adjusted to differ from that of another three-phase 24-pulse traction rectifier transformer (gear 2) by 7.5 DEG at intervals. The 23 times and 25 times of rectification harmonic waves of the plurality of rectifier transformers can be mutually offset on a power grid side, and 5 times, 7 times, 11 times and 13 times of residual rectification harmonic waves of the plurality of 24-pulse rectifier transformers can be mutually offset on the power grid side partially, so that the harmonic waves of a power grid are reduced, and the quality of the power grid is improved.
Description
Technical field
The present invention relates to alternating current is transformed to galvanic Semiconductor Converting Technology field especially a kind of traction rectifier transformer for subway.
Background technology
1500 volts of metro tractions or 800V DC power supply, the 24 pulse wave rectifier transformer stations power supply that usually is comprised of two 12 pulse wave rectifier transformers and rectifier is such as Fig. 1.Article one, tens of kilometers subway needs many 24 such pulse wave rectifier transformer stations along the line.When many 24 pulse wave rectifier transformer stations are incorporated into the power networks, will compile generation larger 23 times and 25 rectification harmonic waves, these harmonic waves can reduce power grid quality, disturb other power consumption equipment normally to move.In order to eliminate or to reduce 23 times and 25 mains by harmonics, present technical measures are to adopt 48 pulse wave rectifiers, or filtering.
Many 24 pulse traction rectifier transformer ares are incorporated into the power networks, how keep existing operational mode constant, namely do not increase in the situation of cost, there is no the method for 23 times and 25 times rectification harmonic waves that compile in the feasible elimination electrical network.
Summary of the invention
The technical problem to be solved in the present invention is: 23 times of producing of many 24 pulse traction rectifier transformer ares and 25 rectification harmonic waves are mutual stack in electrical network, and cause harmonic voltage and harmonic current to exceed standard.
The technical solution adopted in the present invention is: a kind of three-phase 24 pulse traction rectifier transformer ares, formed by two 12 pulse wave rectifier transformers, and the high pressure winding phase shifting angle of described three-phase 24 pulse traction rectifier transformer ares has 7.5 ° of two grades of adjustings; Regulate high pressure winding phase shifting angle, but 7.5 ° of angles of the output voltage phase shift of three-phase 24 pulse traction rectifier transformer ares.
Specifically, the present invention wherein 12 pulse wave rectifier transformer high-voltage winding phase shifting angles carries out+3.75 ° and-3.75 ° of adjustings, and another 12 pulse wave rectifier transformer high-voltage winding phase shifting angle carries out-11.25 ° and+11.25 ° of adjustings; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to+and 3.75 ° when transferring to-11.25 ° with phase shifting angle, be the I shelves of 24 pulse wave rectifier transformers; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to-3.75 ° and transfers to phase shifting angle+and 11.25 ° the time, be the II shelves of 24 pulse wave rectifier transformers.The purpose of design is like this: regulate three-phase 24 pulse traction rectifier transformer ares (I shelves) and differ 7.5 ° with another three-phase 24 pulse traction rectifier transformer ares (II shelves) high pressure winding phase angle; When these two rectifier transformers were incorporated into the power networks, the output voltage of two transformers differed 7.5 ° of angles, and 23 times of two transformers and 25 rectification harmonic waves are cancelled out each other in grid side.With many 24 the furnishing I shelves phase shifts of pulse traction rectifier transformer are interval and the phase shifts of II shelves of being incorporated into the power networks, 23 times of many 24 pulse wave rectifier transformers and 25 rectification harmonic waves can be cancelled out each other in electrical network, and the remnants of many 24 pulse wave rectifier transformers 5 times, 7 times, 11 times and 13 rectification harmonic waves can partly be cancelled out each other in grid side.
Three-phase 24 pulse traction rectifier transformer ares of the present invention are dry-type transformer, and there are splicing ear and connecting rod in the high-tension coil outside; Phase shifting angle is+3.75 ° transformer, changes the link position of outside connecting rod, and the phase shifting angle of this transformer changes to-3.75 °; Phase shifting angle is-11.25 ° transformer, changes the link position of outside connecting rod, the phase shifting angle of this transformer changes to+and 11.25 °.By regulating outside connecting rod, three-phase 24 pulse traction rectifier dry-type transformers are adjustable as II shelves high pressure phase shifting angle by I shelves high pressure phase shifting angle, and I shelves output voltage and II shelves output voltage differ 7.5 ° of angles.
The present invention can change the connecting method of high pressure winding, and phase shifting angle is-3.75 ° transformer for+3.75 ° transformer changes to phase shifting angle; Or the connecting method of change high pressure winding, phase shifting angle is+11.25 ° transformer for-11.25 ° transformer changes to phase shifting angle.
Specifically, 12 pulse wave rectifier transformers of high pressure winding phase shifting angle+3.75 °, its high pressure winding is the phase connecting method of shuffling, as prolong the limit triangle and shuffle mutually and to connect, after changing its connecting method into negative phase shift connecting method, as prolong the negative phase shift connection of limit triangle, and the phase shifting angle of this transformer changes to 60 °-3.75 °, and equivalent phase shifting angle is-3.75 ° (deducting 60 ° of cycle periods).
The 12 pulse wave rectifier transformers that high pressure winding phase shifting angle is 60 °-11.25 ° (are deducted 60 ° of cycle periods, the equivalence phase shifting angle is-11.25 °), its high pressure winding is negative phase shift connecting method, as prolong the limit triangle and bear the phase shift connection, after changing its connecting method into the phase connecting method of shuffling, as prolong the limit triangle and shuffle mutually and to connect, the phase shifting angle of this transformer changes to+and 11.25 °.
Another kind of regulative mode of the present invention is, wherein 12 pulse wave rectifier transformer high-voltage winding phase shifting angle carry out+3.75 ° with-3.75 ° of adjustings, another 12 pulse wave rectifier transformer high-voltage winding phase shifting angle carry out-18.25 ° with+18.25 ° of adjustings; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to+3.75 ° transfer to phase shifting angle+18.25 ° the time, be the I shelves of 24 pulse wave rectifier transformers; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfer to-3.75 ° with phase shifting angle when transferring to-18.25 °, be the II shelves of 24 pulse wave rectifier transformers.
The invention has the beneficial effects as follows: during many 24 pulse traction rectifier transformer stations parallel runnings, with 24 pulse wave rectifier transformer baies every furnishing I shelves phase shift and the phase shift of II shelves, 23 times of many transformers and 25 rectification harmonic waves can be cancelled out each other in electrical network, and the remnants of many 24 pulse wave rectifier transformers 5 times, 7 times, 11 times and 13 rectification harmonic waves can partly be cancelled out each other in grid side, thereby improve power grid quality.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the 24 pulse wave rectifier circuit that 24 pulse traction rectifier transformer ares and rectifier form;
Fig. 2 is a kind of connecting method that 12 pulse traction rectifier transformer ares are realized positive and negative phase shifting angle;
Fig. 3 is 24 pulse traction rectifier transformer are I shelves and II shelves high pressure winding phase shift coupling method;
The outside connecting rod location drawing of high-tension coil when Fig. 4 is 24 pulse wave dry-type transformer I shelves;
The outside connecting rod location drawing of high-tension coil when Fig. 5 is 24 pulse wave dry-type transformer II shelves.
Embodiment
The present invention is further detailed explanation with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
The 24 pulse wave rectifier circuit that a three-phase 24 pulse wave rectifier transformers shown in Figure 1 and three-phase bridge rectifier form, H1, L1 and L2 are 12 pulse wave rectifier Transformer Winding interface charts among the figure, and H2, L3 and L4 are another 12 pulse wave rectifier Transformer Winding interface chart; These two 12 pulse wave rectifier transformers form 24 pulse wave rectifier transformers; Wherein, H1 and H2 are the high pressure winding, and L1, L2, L3 and L4 are the low pressure winding.
Figure 2 shows that a three-phase 12 pulse wave rectifier Transformer Winding parts, H is the high pressure winding, the corresponding two cover low pressure windings of L, and the high pressure winding is with main coil D1 and phase shift coil S1, and dotted line is high pressure winding joint lines; Diagram connecting method 1 connects mutually for shuffling, and high pressure winding phase angle is+3.75 °, namely+3.75 ° phase shifting angle; Diagram connecting method 2 connects for negative phase shift, and high pressure winding phase angle is 60 °-3.75 °, namely-3.75 ° phase shifting angle.In three-phase bridge rectification, 60 ° is the equivalent cycle cycle, 60 °-3.75 ° in high pressure winding phase angle and-3.75 ° of rectification effect equivalences; After deducting 60 ° of cycle periods, high pressure winding phase angle difference is 7.5 ° shown in the high pressure winding shown in the connecting method 1 and the connecting method 2.
Three-phase 24 pulse traction rectifier transformer ares that Figure 3 shows that of the present invention are comprised of two 12 pulse wave rectifier transformers.Regulate high pressure winding phase shifting angle, 24 pulse wave rectifier transformers have diagram I shelves and the different high pressure winding phase shifting angle of diagram II shelves; When I shelves 24 pulse wave rectifier transformers and II shelves 24 a pulse wave rectifier transformers connected in parallel operation, its low pressure output voltage differs 7.5 ° of electric angles.
The three-phase 24 pulse traction rectifier dry-type transformers that Figure 4 shows that of the present invention, the outside connecting rod of high-tension coil is positioned at the I file location; 12 pulse wave rectifier transformer T1 are the axial direction double bundle high-voltage winding structure, positive phase shifting angle+3.75 °; 12 pulse wave rectifier transformer T2 are the axial direction double bundle high-voltage winding structure, negative phase shifting angle-11.25 °.1 is the high-tension coil external connection terminals among the figure, and 2 is outside connecting rod.
The three-phase 24 pulse traction rectifier dry-type transformers that Figure 5 shows that of the present invention, the outside connecting rod of high-tension coil is positioned at the II file location; Transformer T1 is adjusted to negative phase shifting angle-3.75 °; Transformer T2 is adjusted to positive phase shifting angle+11.25 °.1 is the high-tension coil external connection terminals among the figure, and 2 is outside connecting rod.
When I file location dry-type transformer shown in Figure 4 of the present invention and II file location dry-type transformer high-voltage parallel shown in Figure 5, its low pressure output voltage differs 7.5 ° of electric angles.
Just the specific embodiment of the present invention of describing in the above specification, various not illustrating is construed as limiting flesh and blood of the present invention, the person of an ordinary skill in the technical field after having read specification can to before described embodiment make an amendment or be out of shape, and do not deviate from essence of an invention and scope.
Claims (6)
1. three-phase 24 pulse traction rectifier transformer ares are comprised of two 12 pulse wave rectifier transformers, it is characterized in that: the high pressure winding phase shifting angle of described three-phase 24 pulse traction rectifier transformer ares has 7.5 ° of two grades of adjustings; Regulate high pressure winding phase shifting angle, but 7.5 ° of angles of the output voltage phase shift of three-phase 24 pulse traction rectifier transformer ares.
2. a kind of three-phase 24 pulse traction rectifier transformer ares as claimed in claim 1, it is characterized in that: described wherein 12 pulse wave rectifier transformer high-voltage winding phase shifting angles carry out+3.75 ° and-3.75 ° of adjustings, and another 12 pulse wave rectifier transformer high-voltage winding phase shifting angle carries out-11.25 ° and+11.25 ° of adjustings; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to+and 3.75 ° when transferring to-11.25 ° with phase shifting angle, be the I shelves of 24 pulse wave rectifier transformers; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to-3.75 ° and transfers to phase shifting angle+and 11.25 ° the time, be the II shelves of 24 pulse wave rectifier transformers.
3. a kind of three-phase 24 pulse traction rectifier transformer ares as claimed in claim 2, it is characterized in that: described three-phase 24 pulse traction rectifier transformer ares are dry-type transformer, and there are splicing ear and connecting rod in the high-tension coil outside; Phase shifting angle is+3.75 ° transformer, changes the link position of outside connecting rod, and the phase shifting angle of this transformer changes to-3.75 °; Phase shifting angle is-11.25 ° transformer, changes the link position of outside connecting rod, the phase shifting angle of this transformer changes to+and 11.25 °.
4. a kind of three-phase 24 pulse traction rectifier transformer ares as claimed in claim 2 is characterized in that: the connecting method of change high pressure winding, and phase shifting angle is-3.75 ° transformer for+3.75 ° transformer changes to phase shifting angle; The connecting method of change high pressure winding, phase shifting angle is+11.25 ° transformer for-11.25 ° transformer changes to phase shifting angle.
5. a kind of three-phase 24 pulse traction rectifier transformer ares as claimed in claim 3, it is characterized in that: described phase shifting angle is+3.75 ° transformer, its high pressure winding is for prolonging the limit triangle phase connecting method of shuffling, with its connecting method change into prolong the negative phase shift connecting method of limit triangle after, the phase shifting angle of this transformer changes to-3.75 °; Phase shifting angle is-11.25 ° transformer, and its high pressure winding is for prolonging the negative phase shift connecting method of limit triangle, its connecting method is changed into prolong the limit triangle and shuffle behind the phase connecting method, the phase shifting angle of this transformer changes to+and 11.25 °.
6. a kind of three-phase 24 pulse traction rectifier transformer ares as claimed in claim 1, it is characterized in that: described wherein 12 pulse wave rectifier transformer high-voltage winding phase shifting angles carry out+3.75 ° and-3.75 ° of adjustings, and another 12 pulse wave rectifier transformer high-voltage winding phase shifting angle carries out-18.25 ° and+18.25 ° of adjustings; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfers to+3.75 ° transfer to phase shifting angle+18.25 ° the time, be the I shelves of 24 pulse wave rectifier transformers; The high pressure winding phase shifting angle of described two 12 pulse wave rectifier transformers transfer to-3.75 ° with phase shifting angle when transferring to-18.25 °, be the II shelves of 24 pulse wave rectifier transformers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105410728A CN103023343A (en) | 2012-12-13 | 2012-12-13 | Three-phase 24-pulse traction rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105410728A CN103023343A (en) | 2012-12-13 | 2012-12-13 | Three-phase 24-pulse traction rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103023343A true CN103023343A (en) | 2013-04-03 |
Family
ID=47971555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105410728A Pending CN103023343A (en) | 2012-12-13 | 2012-12-13 | Three-phase 24-pulse traction rectifier transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103023343A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134524A (en) * | 2014-07-17 | 2014-11-05 | 中电电气(江苏)股份有限公司 | 36-pulse-wave phase shifting rectifier transformer |
| CN108429285A (en) * | 2018-03-29 | 2018-08-21 | 武汉理工大学 | It is a kind of to be suitable for the peculiar to vessel from the two-way frequency-changing and current transforming device of grid-connected mixed type of kHz grades of alternating currents |
| CN110460249A (en) * | 2019-08-09 | 2019-11-15 | 湖南大学 | A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion |
| CN111326318A (en) * | 2020-02-26 | 2020-06-23 | 广州地铁设计研究院股份有限公司 | Traction rectification dry-type transformer, transformer system and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832319A (en) * | 2006-04-17 | 2006-09-13 | 山东新风光电子科技发展有限公司 | Multiple rectifying device formed by 12 pulse rectification |
| CN101951171A (en) * | 2010-08-26 | 2011-01-19 | 苏州博远特种变压器有限公司 | Transforming device |
| CN102328601A (en) * | 2011-09-13 | 2012-01-25 | 北京千驷驭电气有限公司 | Energy-feedback tractive power supply system with high power factor and high cost performance |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN203014682U (en) * | 2012-12-13 | 2013-06-19 | 江苏华鹏变压器有限公司 | Three-phase 24-pulse traction rectification transformer |
-
2012
- 2012-12-13 CN CN2012105410728A patent/CN103023343A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1832319A (en) * | 2006-04-17 | 2006-09-13 | 山东新风光电子科技发展有限公司 | Multiple rectifying device formed by 12 pulse rectification |
| CN101951171A (en) * | 2010-08-26 | 2011-01-19 | 苏州博远特种变压器有限公司 | Transforming device |
| CN102328601A (en) * | 2011-09-13 | 2012-01-25 | 北京千驷驭电气有限公司 | Energy-feedback tractive power supply system with high power factor and high cost performance |
| CN102682979A (en) * | 2012-05-13 | 2012-09-19 | 广西柳州特种变压器有限责任公司 | Novel phase shifting rectifier transformer |
| CN203014682U (en) * | 2012-12-13 | 2013-06-19 | 江苏华鹏变压器有限公司 | Three-phase 24-pulse traction rectification transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134524A (en) * | 2014-07-17 | 2014-11-05 | 中电电气(江苏)股份有限公司 | 36-pulse-wave phase shifting rectifier transformer |
| CN108429285A (en) * | 2018-03-29 | 2018-08-21 | 武汉理工大学 | It is a kind of to be suitable for the peculiar to vessel from the two-way frequency-changing and current transforming device of grid-connected mixed type of kHz grades of alternating currents |
| CN110460249A (en) * | 2019-08-09 | 2019-11-15 | 湖南大学 | A kind of 24 pulse wave tractive power supply system of magnetic integrated form for electric propulsion |
| CN111326318A (en) * | 2020-02-26 | 2020-06-23 | 广州地铁设计研究院股份有限公司 | Traction rectification dry-type transformer, transformer system and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103516221A (en) | Bi-direction direct-current solid-state transformer with high-frequency alternating-current isolation link | |
| CN103023343A (en) | Three-phase 24-pulse traction rectifier transformer | |
| CN109937515B (en) | Electromagnetic induction power supply equipment | |
| CN103532402A (en) | Power supply power distribution system and method | |
| CN104465053A (en) | High-capacity three-phase combined type phase-shift transformer | |
| KR20070024562A (en) | Low loss propulsion system | |
| CN203014682U (en) | Three-phase 24-pulse traction rectification transformer | |
| US20160126857A1 (en) | Autotransformer with wide range of, integer turns, phase shift, and voltage | |
| KR102030721B1 (en) | Electromagnetic inductive power supply apparatus | |
| CN106159965A (en) | A kind of minimal form compensates power supply | |
| CN104242307B (en) | A kind of transmission of electricity attachment structure | |
| RU2552377C2 (en) | Voltage balancer in three-phase network | |
| CN203039604U (en) | High-power high-frequency high-voltage series-connection superposed high-voltage power supply | |
| CN202679261U (en) | Three-phase 48 pulse wave rectifier transformer phase shift and connection structure | |
| CN212063858U (en) | Phase-shifting transformer power supply system with multi-pulse rectification | |
| CN103078529A (en) | High-power high-frequency high-voltage series composition rectifier transformer | |
| CN103023359A (en) | High-power high-frequency high-voltage series-connection superposition power supply | |
| CN204068710U (en) | A kind of novel three port isolation type bipolar DC converters | |
| CN203839974U (en) | High-voltage tripolar direct-current power transmission system | |
| CN202888947U (en) | AC\DC dual power source switch-free device | |
| CN105515170A (en) | Power unit and uninterrupted power system employing same | |
| CN201113810Y (en) | Self-coupling phase-shift double three phase power commutating power supply | |
| CN201966866U (en) | Split-phase single-chocking type three-phase MCR (magnetic control reactor) | |
| RU122213U1 (en) | AUTO TRANSFORMER-RECTIFIER DEVICE | |
| RU2532534C2 (en) | Device for transmission of three-phase electrical energy through double-wire line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |