CN109361212A - Cophase supply comprehensive compensating device and its method based on single-phase transformation and Dd compensation - Google Patents
Cophase supply comprehensive compensating device and its method based on single-phase transformation and Dd compensation Download PDFInfo
- Publication number
- CN109361212A CN109361212A CN201811381198.7A CN201811381198A CN109361212A CN 109361212 A CN109361212 A CN 109361212A CN 201811381198 A CN201811381198 A CN 201811381198A CN 109361212 A CN109361212 A CN 109361212A
- Authority
- CN
- China
- Prior art keywords
- phase
- svg
- reactive compensation
- compensation unit
- reactive
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000009466 transformation Effects 0.000 title claims abstract description 20
- 238000000819 phase cycle Methods 0.000 claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000006870 function Effects 0.000 claims description 11
- 230000008447 perception Effects 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 101100001674 Emericella variicolor andI gene Proteins 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention discloses a kind of cophase supply comprehensive compensating device compensated based on single-phase transformation and Dd and its methods, are related to attached wires of AC electrified railway power supply technique field.The cophase supply comprehensive compensating device includes the first reactive compensation unit, the second reactive compensation unit, third reactive compensation unit, the 4th reactive compensation unit and measurement and control unit；First reactive compensation unit is connected to single-phase main transformer secondary side；One end of second reactive compensation unit, the third reactive compensation unit and the 4th reactive compensation unit is connect with the three-phase compensator transformer respectively, and the other end is connect with the measurement and control unit respectively.In addition, also disclosing a kind of cophase supply traction substation comprehensive compensation method based on single-phase transformation and Dd compensation.Therefore, the present invention can not only effectively cancel the electric split-phase in cophase supply traction substation exit, realize cophase supply, moreover it is possible to the technical issues of efficiently solving the idle and negative phase-sequence progress real-time compensation of cophase supply traction substation generation.
Description
Technical field
The present invention relates to attached wires of AC electrified railway to be compensated for electrical domain, more particularly to one kind based on single-phase main transformer and Dd
The idle of the cophase supply traction substation of transformer, negative phase-sequence comprehensive compensating device and its method.
Background technique
Electric railway generallys use the single phase industrial frequency AC system powered by municipal power supply system, to keep single-phase traction negative
Equilibrium assignmen, electric railway often use the side of rotation phase sequence, split-phase switched-mode power supply to lotus as far as possible in three-phase electrical power system
Case.It is isolated between adjacent service area at split-phase subregion with neutral section insulator, forms electric split-phase, abbreviation split-phase.Electric split-phase link
It is link most weak in entire tractive power supply system, train excessively mutually becomes high-speed railway or even entire electric railway is led
Draw the bottleneck of power supply.
Theory and practice shows to use single-phase traction transformer or combined type cophase supply technology can be in traction substation
The electric split-phase for cancelling its exit uses bilateral connection technology that can cancel the electric split-phase at this, to eliminate confession in subregion
Storage battery neck improves railway power supply ability and transport capacity.But its core is realized by changing the effective power flow of traction substation
Negative sequence compensation keeps negative phase-sequence up to standard.
The present invention does not change the effective power flow of traction substation, and the nothing of traction substation is solved by reactive power flow control
The comprehensive compensation technique problem of function and negative phase-sequence realizes cophase supply, meanwhile, increase power factor improves feeder voltage, and makes to bear
Sequence administers the requirement that is up to state standards.
Summary of the invention
It is an object of the present invention to provide it is a kind of based on single-phase transformation and Dd compensation cophase supply comprehensive compensating device and its
Method, the technical issues of idle and negative phase-sequence real-time compensation of cophase supply traction substation generation can be efficiently solved.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is specific as follows:
A kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation, is set to cophase supply traction power transformation
The single-phase main transformer that in institute, the cophase supply traction substation mainly includes three-phase high-voltage bus, is connect with three-phase high-voltage bus
Depressor, three-phase compensator transformer and the Traction networks being connect with single-phase main transformer；Three-phase compensator transformer uses Dd joint group,
Its primary side is connected with A, B, C tri- of three-phase high-voltage bus；Wherein, the cophase supply comprehensive compensating device includes first idle
Compensating unit, the second reactive compensation unit, third reactive compensation unit, the 4th reactive compensation unit and measurement and control unit；First nothing
Function compensating unit is connected to the secondary side of single-phase main transformer；Second reactive compensation unit, the third reactive compensation unit
Connect respectively with the three-phase compensator transformer with one end of the 4th reactive compensation unit, the other end respectively with the survey
Control unit connection.
Preferably, the second reactive compensation unit is connect with three-phase compensator transformer secondary side ca phase port, and the third is idle
Compensating unit is connect with three-phase compensator transformer secondary side bc phase port, the 4th reactive compensation unit and three-phase compensator transformer
The connection of secondary side ab phase port.
Preferably, the measurement and control unit is mainly collectively formed by voltage transformer, current transformer and controller；The control
The input terminal of device processed is connect with the measurement end of voltage transformer, current transformer respectively, controller output end respectively with the first nothing
Function compensating unit, the second reactive compensation unit, third reactive compensation unit, the connection of the control terminal of the 4th reactive compensation unit.
Preferably, the primary side winding of the single-phase main transformer in three-phase high-voltage bus A phase and B be connected；It is described
Secondary side winding one end of single-phase main transformer is grounded, and the other end leads to Traction networks through feeder line and connects.
Preferably, the primary side of the voltage transformer is connected to single-phase main transformer secondary side, the primary side string of current transformer
It is connected on feeder line.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is specific as follows:
A kind of cophase supply comprehensive compensating device using described in above-mentioned technical proposal based on single-phase transformation and Dd compensation
Comprehensive compensation method, wherein the comprehensive compensation method specific steps of the cophase supply are as follows:
(1) negative phase-sequence for setting three-phase high-voltage bus allows capacity as Sε；
(2) controller is calculated first with the voltage and current that t moment voltage transformer and current transformer measure respectively
(regard) power s and its power factor by the traction load of feeder line as cos φ, further according to traction target load power factor or
Target feeder voltage is to the first reactive compensation unit absorbing reactive power Q1It is controlled and is compensated, and Q1Capacitive is positive；At this point,
Q1The negative sequence power s generated with s-Size be
(3) judge Q1The negative sequence power s generated with s-Allow capacity S with the negative phase-sequence of three-phase high-voltage busεBetween size close
System, then by controller control the second reactive compensation unit, third reactive compensation unit, the 4th reactive compensation unit absorption it is idle
Power compensates, wherein the absorption nothing of the second reactive compensation unit, third reactive compensation unit, the 4th reactive compensation unit
Function power is respectively Q2、Q3、Q4。
Preferably, work as s-≤SεWhen, then controller controls the second reactive compensation unit, third reactive compensation unit, the 4th nothing
Function compensating unit absorbing reactive power compensates, andThat is reactive power Q1When for capacitive, Q2、
Q3、Q4For perception, wherein k≤1, k are real number.
Preferably, work as s-> SεWhen,On the basis of component, controller controls the second idle benefit
The further absorbing reactive power component of unit, third reactive compensation unit is repaid to compensate, wherein Q2And Q3Component size point
Not are as follows:
Wherein set
It is further preferred that when feeder line is in traction working condition, then Q2Component be perception, Q3Component be capacitive.
It is further preferred that when feeder line is in regeneration regime, then Q2Component be capacitive, Q3Component be perception.
Compared with prior art, the beneficial effects of the present invention are:
One, the cophase supply comprehensive compensating device and its method, which can integrate, generates reactive component and negative sequence component, makes
Power factor, feeder voltage and negative phase-sequence obtain comprehensive compensation, realize cophase supply, do not change the active of traction substation Traction networks
Trend, matched three-phase compensator transformer do not transmit positive sequence active power, have the technical advantage for exempting from electrical capacity charge.
Two, the reactive compensation operating condition of the cophase supply comprehensive compensating device and its method is reversible, when feeder line is in equivalent
When regeneration regime, electric energy up to standard can be still sent out to power grid.
Three, single-phase main transformer TT and three-phase compensator transformer MT can be total to case installation, reduce land occupation.
Four, structure is simple, and superior performance, technologically advanced, method is reliable, easy to implement.
Detailed description of the invention
Fig. 1 is cophase supply comprehensive compensating device structural schematic diagram described in the embodiment of the present invention one.
Fig. 2 is relational structure schematic diagram between measurement and control unit and reactive compensation unit described in the embodiment of the present invention one.
Fig. 3 is the flow diagram of cophase supply comprehensive compensation method described in the embodiment of the present invention two.
Specific embodiment
In order to be best understood from the invention, working principle of the present invention is briefly explained herein: by being connected to single-phase main transformer
The the first reactive compensation unit compensation traction power factor and feeder voltage of depressor secondary side, make traction power factor and feeder voltage
Reach target call；Using three-phase high-voltage bus as negative phase-sequence examination point up to standard, by the secondary side for being connected to three-phase compensator transformer
4th reactive compensation unit is idle power output and the second reactive compensation unit, a part of idle power output of third reactive compensation unit
(component) corrects the excessive idle power output of the first reactive compensation unit, the second reactive compensation unit, third reactive compensation jointly
Power output (component) that another part of unit is idle is electric come the negative phase-sequence for compensating traction load and the joint generation of the first reactive compensation unit
It flows (power), reaches national standard after compensation, wherein the second reactive compensation unit and third reactive compensation unit generate negative phase-sequence tide
Stream, and do not change original effective power flow.
The invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment one
As shown in Figure 1, the embodiment of the invention provides a kind of comprehensive benefits of the cophase supply based on single-phase transformation and Dd compensation
Repay device, the cophase supply mainly includes three-phase high-voltage bus HB, the single-phase main transformer that connect with three-phase high-voltage bus HB
TT, three-phase compensator transformer MT and the Traction networks OCS being connect with single-phase main transformer TT；Three-phase compensator transformer MT uses Dd
Joint group, primary side are connected with A, B, C tri- of three-phase high-voltage bus HB；Wherein, the cophase supply comprehensive compensating device packet
Include the first reactive compensation unit SVG1, the second reactive compensation unit SVG2, third reactive compensation unit SVG3, the 4th reactive compensation
Cell S VG4With measurement and control unit MC；First reactive compensation unit SVG1It is connected to the secondary side of single-phase main transformer TT；Second nothing
Function compensating unit SVG2, the third reactive compensation unit SVG3With the 4th reactive compensation unit SVG4One end respectively with
The three-phase compensator transformer MT connection, the other end are connect with the measurement and control unit MC respectively.
As shown in Fig. 2, measurement and control unit MC described in the embodiment of the present invention is mainly by voltage transformer pt, Current Transmit
It is collectively formed with controller CD；The measurement with voltage transformer pt, Current Transmit respectively of the input terminal of the controller CD
End connection, controller CD output end respectively with the first reactive compensation unit SVG1, the second reactive compensation unit SVG2, third is idle
Compensating unit SVG2, the 4th reactive compensation unit SVG4Control terminal connection.
Referring to figs. 1 and 2, in embodiments of the present invention, the second reactive compensation unit SVG2Transformation is compensated with three-phase
The connection of device MT secondary side ca phase port, the third reactive compensation unit SVG3Connect with three-phase compensator transformer MT secondary side bc phase port
It connects, the 4th reactive compensation unit SVG4It is connect with three-phase compensator transformer MT secondary side ab phase port.The single-phase main transformer pressure
The primary side winding of device TT in three-phase high-voltage bus HB A phase and B be connected；The secondary side winding one of the single-phase main transformer TT
End ground connection, the other end lead to Traction networks OCS connection through feeder line F.The primary side of the voltage transformer pt is connected to single-phase main transformer
Depressor TT secondary side, the primary side of Current Transmit are serially connected on feeder line F.
Embodiment two
As shown in figure 3, the embodiment of the invention provides a kind of comprehensive benefits of the cophase supply based on single-phase transformation and Dd compensation
Compensation method, the cophase supply comprehensive compensation method is specially step:
(1) negative phase-sequence for setting three-phase high-voltage bus HB allows capacity as Sε；
(2) voltage and current that controller CD is measured respectively first with t moment voltage transformer pt and Current Transmit
It calculates and power s and its power factor (is regarded) as cos φ, further according to traction target load function by the traction load of feeder line F
Rate factor or target feeder voltage are to the first reactive compensation unit SVG1Absorbing reactive power Q1It is controlled and is compensated, and Q1Hold
Property is positive；At this point, Q1The negative sequence power s generated with s-Size be
(3) judge Q1The negative sequence power s generated with s-Allow capacity S with the negative phase-sequence of three-phase high-voltage bus HBεBetween size
Relationship, then the second reactive compensation unit SVG is controlled by controller CD2, third reactive compensation unit SVG3, the 4th reactive compensation
Cell S VG4Absorbing reactive power compensates, wherein the second reactive compensation unit SVG2, third reactive compensation unit SVG3、
4th reactive compensation unit SVG4Absorbing reactive power be respectively Q2、Q3、Q4。
In embodiments of the present invention, work as s-≤SεWhen, then controller CD controls the second reactive compensation unit SVG2, third without
Function compensating unit SVG3, the 4th reactive compensation unit SVG4Absorbing reactive power compensates, andThat is reactive power Q1When for capacitive, Q2、Q3、Q4For perception, wherein k≤1, k are real number.
In embodiments of the present invention, work as s-> SεWhen,On the basis of component, controller CD control
Second reactive compensation unit SVG2, third reactive compensation unit SVG3Further absorbing reactive power component compensates；Work as feedback
When line F is in traction working condition, then Q2Component be perception, Q3Component be capacitive；When feeder line F is in regeneration regime, then Q2's
Component is capacitive, Q3Component be perception.Wherein, Q2And Q3Component size is respectively as follows:
Wherein set
Claims (10)
1. a kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation, is set to cophase supply traction substation
(SS) in, the cophase supply traction substation mainly includes three-phase high-voltage bus (HB), connect with three-phase high-voltage bus (HB)
Single-phase main transformer (TT), three-phase compensator transformer (MT) and the Traction networks (OCS) being connect with single-phase main transformer (TT)；
Three-phase compensator transformer (MT) uses Dd joint group, and primary side is connected with A, B, C tri- of three-phase high-voltage bus (HB)；Its feature
Be: the comprehensive compensating device includes the first reactive compensation unit (SVG1), the second reactive compensation unit (SVG2), third without
Function compensating unit (SVG3), the 4th reactive compensation unit (SVG4) and measurement and control unit (MC)；First reactive compensation unit (SVG1) even
It is connected to the secondary side of single-phase main transformer (TT)；Second reactive compensation unit (the SVG2), the third reactive compensation unit
(SVG3) and the 4th reactive compensation unit (SVG4) one end connect respectively with the three-phase compensator transformer (MT), it is another
One end is connect with the measurement and control unit (MC) respectively.
2. a kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation according to claim 1, special
Sign is: the second reactive compensation unit (SVG2) connect with three-phase compensator transformer (MT) secondary side ca phase port, the third without
Function compensating unit (SVG3) connect with three-phase compensator transformer (MT) secondary side bc phase port, the 4th reactive compensation unit
(SVG4) connect with three-phase compensator transformer (MT) secondary side ab phase port.
3. a kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation according to claim 1, special
Sign is: the measurement and control unit (MC) is mainly by voltage transformer (PT), current transformer (CT) and controller (CD) common structure
At；The input terminal of the controller (CD) is connect with the measurement end of voltage transformer (PT), current transformer (CT) respectively, control
Device (CD) output end respectively with the first reactive compensation unit (SVG1), the second reactive compensation unit (SVG2), third reactive compensation list
Member (SVG2), the 4th reactive compensation unit (SVG4) control terminal connection.
4. a kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation according to claim 1, special
Sign is: the primary side winding of the single-phase main transformer (TT) is connected with the A phase in three-phase high-voltage bus (HB) and B；It is described
Secondary side winding one end of single-phase main transformer (TT) is grounded, and the other end leads to Traction networks (OCS) through feeder line (F) and connects.
5. a kind of cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation according to claim 3, special
Sign is: the primary side of the voltage transformer (PT) is connected to single-phase main transformer (TT) secondary side, the original of current transformer (CT)
While being serially connected on feeder line (F).
6. a kind of cophase supply using described in any one of the claims 1 to 5 based on single-phase transformation and Dd compensation
The comprehensive compensation method of comprehensive compensating device, it is characterised in that: the cophase supply comprehensive compensation method specific steps are as follows:
(1) negative phase-sequence for setting three-phase high-voltage bus (HB) allows capacity as Sε；
(2) voltage and electricity that controller (CD) measures respectively first with t moment voltage transformer (PT) and current transformer (CT)
It is cos φ that flowmeter, which is calculated through the traction load power s and its power factor of feeder line (F), further according to traction target load power
Factor or target feeder voltage are to the first reactive compensation unit (SVG1) absorbing reactive power Q1It is controlled and is compensated, and Q1Hold
Property is positive；At this point, Q1The negative sequence power s generated with s-Size be
(3) judge Q1The negative sequence power s generated with s-Allow capacity S with the negative phase-sequence of three-phase high-voltage bus (HB)εBetween size close
System, then the second reactive compensation unit (SVG is controlled by controller (CD)2), third reactive compensation unit (SVG3), it is the 4th idle
Compensating unit (SVG4) absorbing reactive power compensates, wherein the second reactive compensation unit (SVG2), third reactive compensation list
Member (SVG3), the 4th reactive compensation unit (SVG4) absorbing reactive power be respectively Q2、Q3、Q4。
7. a kind of cophase supply comprehensive compensation method based on single-phase transformation and Dd compensation according to claim 6, special
Sign is: working as s-≤SεWhen, then controller (CD) controls the second reactive compensation unit (SVG2), third reactive compensation unit
(SVG3), the 4th reactive compensation unit (SVG4) absorbing reactive power compensates, andI.e. without
Function power Q1When for capacitive, Q2、Q3、Q4For perception, wherein k≤1, k are real number.
8. a kind of cophase supply comprehensive compensation method based on single-phase transformation and Dd compensation according to claim 6, special
Sign is: working as s-> SεWhen,On the basis of component, controller (CD) controls the second reactive compensation list
Member (SVG2), third reactive compensation unit (SVG3) further absorbing reactive power component compensate, wherein Q2And Q3Point
Amount size is respectively as follows:
Wherein set
9. a kind of cophase supply comprehensive compensation method based on single-phase transformation and Dd compensation according to claim 8, special
Sign is: when feeder line (F) is in traction working condition, then Q2Component be perception, Q3Component be capacitive.
10. a kind of cophase supply comprehensive compensation method based on single-phase transformation and Dd compensation according to claim 8, special
Sign is: when feeder line (F) is in regeneration regime, then Q2Component be capacitive, Q3Component be perception.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381198.7A CN109361212B (en) | 2018-11-20 | 2018-11-20 | In-phase power supply comprehensive compensation device and method based on single-phase transformation and Dd compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381198.7A CN109361212B (en) | 2018-11-20 | 2018-11-20 | In-phase power supply comprehensive compensation device and method based on single-phase transformation and Dd compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109361212A true CN109361212A (en) | 2019-02-19 |
| CN109361212B CN109361212B (en) | 2024-01-16 |
Family
ID=65332349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381198.7A Active CN109361212B (en) | 2018-11-20 | 2018-11-20 | In-phase power supply comprehensive compensation device and method based on single-phase transformation and Dd compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109361212B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504698A (en) * | 2019-09-30 | 2019-11-26 | 西南交通大学 | A kind of electrified railway in-phase power supply comprehensive compensating device and its comprehensive compensation method |
| CN114611334A (en) * | 2022-05-10 | 2022-06-10 | 中国能源建设集团湖南省电力设计院有限公司 | Negative sequence component evaluation method under common influence of multiple traction substations |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280881A (en) * | 2011-08-05 | 2011-12-14 | 中国电力科学研究院 | Three-phase static var compensator (SVC) device for electrified railway traction side |
| CN103036242A (en) * | 2012-12-30 | 2013-04-10 | 西南交通大学 | Comprehensive compensation system for Vv wiring traction substation with out-of-phase and in-phase compatibility |
| CN202986865U (en) * | 2012-12-28 | 2013-06-12 | 西南交通大学 | Single-phase and three-phase combined in-phase power supply and transformation system |
| JP2014083900A (en) * | 2012-10-22 | 2014-05-12 | Mitsubishi Electric Corp | Control device of electric power supply system for electric railroad |
| CN204279138U (en) * | 2014-11-06 | 2015-04-22 | 西南交通大学 | A kind of many feeder lines compound type is for power transformation structure |
| CN104538966A (en) * | 2015-01-22 | 2015-04-22 | 中国矿业大学 | Hybrid compensation system for negative-sequence current in high speed railway |
| CN209344780U (en) * | 2018-11-20 | 2019-09-03 | 成都尚华电气有限公司 | Cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation |
-
2018
- 2018-11-20 CN CN201811381198.7A patent/CN109361212B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102280881A (en) * | 2011-08-05 | 2011-12-14 | 中国电力科学研究院 | Three-phase static var compensator (SVC) device for electrified railway traction side |
| JP2014083900A (en) * | 2012-10-22 | 2014-05-12 | Mitsubishi Electric Corp | Control device of electric power supply system for electric railroad |
| CN202986865U (en) * | 2012-12-28 | 2013-06-12 | 西南交通大学 | Single-phase and three-phase combined in-phase power supply and transformation system |
| CN103036242A (en) * | 2012-12-30 | 2013-04-10 | 西南交通大学 | Comprehensive compensation system for Vv wiring traction substation with out-of-phase and in-phase compatibility |
| CN204279138U (en) * | 2014-11-06 | 2015-04-22 | 西南交通大学 | A kind of many feeder lines compound type is for power transformation structure |
| CN104538966A (en) * | 2015-01-22 | 2015-04-22 | 中国矿业大学 | Hybrid compensation system for negative-sequence current in high speed railway |
| CN209344780U (en) * | 2018-11-20 | 2019-09-03 | 成都尚华电气有限公司 | Cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504698A (en) * | 2019-09-30 | 2019-11-26 | 西南交通大学 | A kind of electrified railway in-phase power supply comprehensive compensating device and its comprehensive compensation method |
| CN114611334A (en) * | 2022-05-10 | 2022-06-10 | 中国能源建设集团湖南省电力设计院有限公司 | Negative sequence component evaluation method under common influence of multiple traction substations |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109361212B (en) | 2024-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109378828A (en) | A kind of traction substation comprehensive compensating device and its method based on homo-phase traction transformer | |
| CN109510213A (en) | Based on traction-compensator transformer cophase supply comprehensive compensating device and its method | |
| CN208797585U (en) | A kind of negative sequence compensation device of cophase supply electric substation | |
| CN109088415A (en) | A kind of negative sequence compensation devices and methods therefor of cophase supply electric substation | |
| CN108923429A (en) | A kind of cophase supply electric substation | |
| CN102946202B (en) | Based on the composite voltage generating means of alternating current-direct current stack | |
| CN209344791U (en) | A kind of traction substation comprehensive compensating device based on homo-phase traction transformer | |
| CN109066718B (en) | Negative sequence compensation device and method for electrified railway in-phase power supply and transformation system | |
| CN109217330A (en) | A kind of electric railway cophase supply transformer substation system | |
| CN108667041A (en) | A kind of the negative phase-sequence centralized compensation control system and its control method of traction substation group | |
| CN109361212A (en) | Cophase supply comprehensive compensating device and its method based on single-phase transformation and Dd compensation | |
| CN208939596U (en) | A kind of cophase supply comprehensive compensating device based on single-phase transformation and YNd compensation | |
| CN109256785A (en) | Cophase supply comprehensive compensating device and its method based on single-phase transformation and YNd compensation | |
| CN209344790U (en) | Based on traction-compensator transformer cophase supply comprehensive compensating device | |
| CN109510212A (en) | Cophase supply comprehensive compensating device and its method based on single-phase transformation and T wiring compensation | |
| CN108923440A (en) | A kind of negative sequence compensation measure and control device of traction substation group, system and method | |
| CN208797586U (en) | A kind of negative sequence compensation device of electric railway cophase supply transformer substation system | |
| CN209344789U (en) | Cophase supply comprehensive compensating device based on single-phase transformation and T wiring compensation | |
| CN208939591U (en) | A kind of electric railway cophase supply power transformation construction | |
| CN109066737A (en) | A kind of negative sequence compensation devices and methods therefor of traction-compensator transformer | |
| CN209344780U (en) | Cophase supply comprehensive compensating device based on single-phase transformation and Dd compensation | |
| CN109215977A (en) | A kind of traction-compensator transformer | |
| CN208522471U (en) | A kind of negative phase-sequence centralized compensation control system of traction substation group | |
| CN103812139A (en) | Power distribution network system based on single-conductor alternating current and direct current hybrid technology | |
| CN208673836U (en) | A kind of compensator transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |