CN106921162A - A kind of bridge transformer carries out the bypass examination and repair system and method for power quality controlling - Google Patents
A kind of bridge transformer carries out the bypass examination and repair system and method for power quality controlling Download PDFInfo
- Publication number
- CN106921162A CN106921162A CN201710250223.7A CN201710250223A CN106921162A CN 106921162 A CN106921162 A CN 106921162A CN 201710250223 A CN201710250223 A CN 201710250223A CN 106921162 A CN106921162 A CN 106921162A
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- Prior art keywords
- power quality
- quality controlling
- pass switch
- bypass
- examination
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 25
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010014357 Electric shock Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static 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
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- H02J3/005—
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Protection Of Transformers (AREA)
Abstract
The invention discloses bypass examination and repair system and method that a kind of bridge transformer carries out power quality controlling, including multiwinding transformer（1）, power quality controlling system, load（5）And by-pass switch, described by-pass switch is separately positioned on multiwinding transformer（1）, power quality controlling system and load（5）Between hospital bus bar on, its application method is also disclosed, by setting by-pass switch, it is ensured that safety of maintainer when to quality of power supply turnaround of unit；Power quality controlling device is powered when overhauling by bypass loop, it is ensured that the continuity of power supply；Protect power quality controlling device from the impact of short trouble, currently available technology can be overcome the shortcomings of.
Description
Technical field
The present invention relates to bypass examination and repair system and method that a kind of bridge transformer carries out power quality controlling, belong to electric power
Service technique field.
Background technology
Application of the power transformer in power system is widely.High-voltage variable can be changed to low electricity by power transformer
Low-voltage, can be also transformed to high voltage by pressure.
Power transformer is a kind of static electrical equipment, is for by the alternating voltage of a certain numerical value（Electric current）Become frequency
The voltage that rate identical is another or several numerical value are different（Electric current）Equipment.When first winding passes to alternating current, just produce
The magnetic flux of alternation, the magnetic flux of alternation is acted on by iron core magnetic conduction, and AC electromotive force is just induced in Secondary Winding.Secondary sensing
The height of electromotive force is relevant with the number of a Secondary Winding number of turn, i.e., voltage swing is directly proportional to the number of turn.Main Function is transmission
Electric energy, therefore, rated capacity is its major parameter.Rated capacity is a usual value for performance power, and it is to characterize transmission
The size of electric energy, is represented with kVA or MVA, when rated voltage is applied to transformer, is determined according to it under prescribed conditions not
More than the rated current of temperature limit.
But traditional power transformer is carried out in the device of power quality controlling, due to system and be not provided with bypass maintenance dress
Put, cause the needs when power quality controlling device is overhauled to be stopped power supply, and have electric shock wind during power quality controlling device maintenance
Danger, security risk is very big.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of bridge transformer and carries out the bypass maintenance of power quality controlling
System and method, the bypass examination and repair system and method for carrying out power quality controlling using a kind of bridge transformer solves traditional electricity
Power transformer is carried out in the device of power quality controlling, due to system and be not provided with bypass apparatus for examination and repair, cause in the quality of power supply
Need to stop power supply when controlling device is overhauled, and have electric shock risk during power quality controlling device maintenance, security risk is very big
Problem, so as to overcome existing technical deficiency.
A kind of bridge transformer carries out the bypass examination and repair system of power quality controlling, including multiwinding transformer, electric energy matter
Amount governing system, load and by-pass switch, described by-pass switch are separately positioned on multiwinding transformer, power quality controlling system
On hospital bus bar between system and load.
Described power quality controlling system includes series filtering device, power quality controlling device and parallel filtering dress
Put, series filtering device is connected by power quality controlling device with parallel filtering device.
Described by-pass switch includes that the first by-pass switch, the second by-pass switch, the 3rd by-pass switch and the 4th bypass are opened
Close.
The first described by-pass switch is arranged on the hospital bus bar between multiwinding transformer and series filtering device.
The second described by-pass switch is arranged on the bus between multiwinding transformer and parallel filtering device.
The 3rd described by-pass switch is arranged on the bus between multiwinding transformer and load.
The 4th described by-pass switch is arranged on the bus between parallel filtering device and load.
Its bridge transformer carries out the application method of power quality controlling bypass, comprises the following steps：
When the first step, power quality controlling system need maintenance, the 3rd by-pass switch is closed a floodgate, while the first by-pass switch is divided
Lock；
Second step, when power quality controlling system puts into, respectively by the first by-pass switch, the second by-pass switch, the 4th bypass
Switch closes a floodgate, while by the 3rd by-pass switch separating brake；
3rd step, when load-side breaks down, power quality controlling system opens the 4th by-pass switch separating brake, to protect electric energy
Quality controlling system and device.
It is compared with the prior art, using technical scheme, due in multiwinding transformer, power quality controlling system
By-pass switch is respectively provided with hospital bus bar between system and load, it can be ensured that maintainer is to quality of power supply turnaround of unit
When safety；Power quality controlling device is powered when overhauling by bypass loop, it is ensured that the continuity of power supply；The protection quality of power supply
Impact of the controlling device from short trouble.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
It is designated in figure：1st, multiwinding transformer, 2, series filtering device, 3, power quality controlling device, 4, parallel filtering dress
Put, 5, load, the 6, first by-pass switch, the 7, second by-pass switch, the 8, the 3rd by-pass switch, the 9, the 4th by-pass switch.
Specific embodiment
The preferred embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Shown in Figure 1, a kind of bridge transformer carries out the bypass examination and repair system of power quality controlling, including Multiple coil becomes
Depressor 1, series filtering device 2, power quality controlling device 3, parallel filtering device 4, the 5, first by-pass switch 6, second of load
By-pass switch 7, the 3rd by-pass switch 8 and the 4th by-pass switch 9, by-pass switch are separately positioned on multiwinding transformer 1, electric energy matter
On hospital bus bar between amount governing system and load 5.
Further power quality controlling system includes series filtering device 2, power quality controlling device 3 and parallel filtering
Device 4, series filtering device 2 is connected by power quality controlling device 3 with parallel filtering device 4, is connected by each device,
Can ensure that power quality controlling device is more reliable.
Further first by-pass switch 6 is arranged on the hospital bus bar between multiwinding transformer 1 and series filtering device 2
On, by setting by-pass switch, it is ensured that safety of maintainer when to quality of power supply turnaround of unit；Power quality controlling device
Powered by bypass loop during maintenance, it is ensured that the continuity of power supply；Protect power quality controlling device rushing from short trouble
Hit.
Further second by-pass switch 7 is arranged on the bus between multiwinding transformer 1 and parallel filtering device 4,
By setting by-pass switch, it is ensured that safety of maintainer when to quality of power supply turnaround of unit；Power quality controlling device is examined
Powered by bypass loop when repairing, it is ensured that the continuity of power supply；Power quality controlling device is protected from the impact of short trouble.
Further 3rd by-pass switch 8 is arranged on the bus between multiwinding transformer 1 and load 5, by setting
By-pass switch, it is ensured that safety of maintainer when to quality of power supply turnaround of unit；Power quality controlling device passes through when overhauling
Bypass loop is powered, it is ensured that the continuity of power supply；Power quality controlling device is protected from the impact of short trouble.
Further 4th by-pass switch 9 is arranged on the bus between parallel filtering device 4 and load 5, by setting
By-pass switch, it is ensured that safety of maintainer when to quality of power supply turnaround of unit；Power quality controlling device passes through when overhauling
Bypass loop is powered, it is ensured that the continuity of power supply；Power quality controlling device is protected from the impact of short trouble.
After the installation of each switch and connection are completed according to technical scheme, you can according to following steps
Tested：
When the first step, power quality controlling system need maintenance, the 3rd by-pass switch 8 is closed a floodgate, while by the first by-pass switch 6
Separating brake；
Second step, when power quality controlling system puts into, respectively by by the first by-pass switch 6, the second by-pass switch the 7, the 4th
Way switch 9 closes a floodgate, while by the separating brake of the 3rd by-pass switch 8；
3rd step, when load 5 sides break down when, power quality controlling system opens the separating brake of the 4th by-pass switch 9, to protect electricity
Can quality controlling system and device.
Claims (8)
1. a kind of bridge transformer carries out the bypass examination and repair system of power quality controlling, including multiwinding transformer（1）, electric energy matter
Amount governing system, load（5）And by-pass switch, it is characterised in that：Described by-pass switch is separately positioned on multiwinding transformer
（1）, power quality controlling system and load（5）Between hospital bus bar on.
2. a kind of bridge transformer according to claim 1 carries out the bypass examination and repair system of power quality controlling, its feature
It is：Described power quality controlling system includes series filtering device（2）, power quality controlling device（3）And parallel filtering
Device（4）, series filtering device（2）By power quality controlling device（3）With parallel filtering device（4）Connection.
3. a kind of bridge transformer according to claim 1 carries out the bypass examination and repair system of power quality controlling, its feature
It is：Described by-pass switch includes the first by-pass switch（6）, the second by-pass switch（7）, the 3rd by-pass switch（8）With the 4th
By-pass switch（9）.
4. a kind of bridge transformer according to claim 3 carries out the bypass examination and repair system of power quality controlling, its feature
It is：The first described by-pass switch（6）It is arranged on multiwinding transformer（1）With series filtering device（2）Between bypass it is female
On line.
5. a kind of bridge transformer according to claim 3 carries out the bypass examination and repair system of power quality controlling, its feature
It is：The second described by-pass switch（7）It is arranged on multiwinding transformer（1）With parallel filtering device（4）Between bus on.
6. a kind of bridge transformer according to claim 3 carries out the bypass examination and repair system and method for power quality controlling,
It is characterized in that：The 3rd described by-pass switch（8）It is arranged on multiwinding transformer（1）And load（5）Between bus on.
7. a kind of bridge transformer according to claim 3 carries out the bypass examination and repair system and method for power quality controlling,
It is characterized in that：The 4th described by-pass switch（9）It is arranged on parallel filtering device（4）And load（5）Between bus on.
8. a kind of application method that power quality controlling bypass is carried out using bridge transformer, it is characterised in that：Including following step
Suddenly：
When the first step, power quality controlling system need maintenance, by the 3rd by-pass switch（8）Close a floodgate, while the first bypass is opened
Close（6）Separating brake；
Second step, when power quality controlling system puts into, respectively by the first by-pass switch（6）, the second by-pass switch（7）,
Four by-pass switches（9）Close a floodgate, while by the 3rd by-pass switch（8）Separating brake；
3rd step, work as load（5）When side is broken down, power quality controlling system is by the 4th by-pass switch（9）Separating brake is opened, to protect
Shield power quality controlling system and device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250223.7A CN106921162A (en) | 2017-04-17 | 2017-04-17 | A kind of bridge transformer carries out the bypass examination and repair system and method for power quality controlling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710250223.7A CN106921162A (en) | 2017-04-17 | 2017-04-17 | A kind of bridge transformer carries out the bypass examination and repair system and method for power quality controlling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106921162A true CN106921162A (en) | 2017-07-04 |
Family
ID=59568807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710250223.7A Pending CN106921162A (en) | 2017-04-17 | 2017-04-17 | A kind of bridge transformer carries out the bypass examination and repair system and method for power quality controlling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295992A (en) * | 2021-05-13 | 2021-08-24 | 深圳供电局有限公司 | Method for verifying latching logic relationship of isolating switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488150U (en) * | 2012-03-26 | 2012-10-10 | 徐州宇飞电力科技有限公司 | Three-phase-integrated power quality control device with by-pass switch |
| CN202583367U (en) * | 2012-05-28 | 2012-12-05 | 河南电力试验研究院 | Electric energy quality comprehensive test platform |
| CN104882890A (en) * | 2015-05-28 | 2015-09-02 | 株洲变流技术国家工程研究中心有限公司 | Current limiting type dynamic voltage restorer and uninterrupted power supply method thereof |
| CN204633333U (en) * | 2015-05-29 | 2015-09-09 | 株洲变流技术国家工程研究中心有限公司 | A kind of traction power supply net current-limiting type Power Quality Comprehensive Treatment Device |
-
2017
- 2017-04-17 CN CN201710250223.7A patent/CN106921162A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202488150U (en) * | 2012-03-26 | 2012-10-10 | 徐州宇飞电力科技有限公司 | Three-phase-integrated power quality control device with by-pass switch |
| CN202583367U (en) * | 2012-05-28 | 2012-12-05 | 河南电力试验研究院 | Electric energy quality comprehensive test platform |
| CN104882890A (en) * | 2015-05-28 | 2015-09-02 | 株洲变流技术国家工程研究中心有限公司 | Current limiting type dynamic voltage restorer and uninterrupted power supply method thereof |
| CN204633333U (en) * | 2015-05-29 | 2015-09-09 | 株洲变流技术国家工程研究中心有限公司 | A kind of traction power supply net current-limiting type Power Quality Comprehensive Treatment Device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295992A (en) * | 2021-05-13 | 2021-08-24 | 深圳供电局有限公司 | Method for verifying latching logic relationship of isolating switch |
| CN113295992B (en) * | 2021-05-13 | 2023-12-15 | 深圳供电局有限公司 | Method for verifying locking logic relationship of isolating switch |
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Application publication date: 20170704 |