CN207067381U - A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor - Google Patents
A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor Download PDFInfo
- Publication number
- CN207067381U CN207067381U CN201720875066.4U CN201720875066U CN207067381U CN 207067381 U CN207067381 U CN 207067381U CN 201720875066 U CN201720875066 U CN 201720875066U CN 207067381 U CN207067381 U CN 207067381U
- Authority
- CN
- China
- Prior art keywords
- igct
- cvt
- control
- resonant inductance
- control capacitor
- 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.)
- Active
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 title claims abstract description 10
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000012795 verification Methods 0.000 claims abstract description 5
- 230000033228 biological regulation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 241000580063 Ipomopsis rubra Species 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
It the utility model is related to a kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor; including power supply, pressure regulator, testing transformer, IGCT control capacitor, resonant inductance and control protective unit; the power supply, pressure regulator, testing transformer, IGCT control capacitor, resonant inductance are sequentially connected in series; the CVT that the output end connection of resonant inductance is tested; the output end of resonant inductance is also associated with a control protective unit, and the control protective unit is connected to IGCT control capacitor.The utility model replaces adjusting gapped-core type capacitor using IGCT control capacitor, reduce mechanical structure use, the compactedness and service life of whole device can be improved, the phenomenon that skyrockets in voltage elevation process is avoided simultaneously, and then cause to main circuit equivalent inductance value control it is more flexible, be suitable for on-site CVT verification test needs.
Description
Technical field
The utility model belongs to power high voltage testing equipment field, especially a kind of work based on IGCT control capacitor
Frequency series resonance boosting CVT calibrating installations.
Background technology
With the increasingly increase of power network scale, traditional local power system stabilizer, PSS has been difficult to low frequency between inhibition zone
Vibration, electrical power system wide-area measuring system (WAMS) can gather and transmit the relevant information of other region units, for using wide
Low-frequency oscillation provides possibility between the control inhibition zone of domain.But compared with locally controlling, there is signal transmission in wide-area control
Input time delay, there is uncertainty for simultaneity factor so that the wide-area controller complex designing of fixed feedback parameter, it is difficult to simultaneously
Meet delay and the requirement of robustness.The utility model proposes humorous using a kind of power frequency series connection based on IGCT control capacitor
Shake boosting CVT calibrating installations, can effectively reduce dependency degree of the controller design to model accuracy, while Self Adaptive Control is again
Controller active perception system change can be made and then adjust control parameter, and the shadow of time lag can be reduced using PREDICTIVE CONTROL
Ring, so as to improve control effect of the wide area damping control to section low-frequency oscillation.
Utility model content
The purpose of this utility model is in place of overcome the deficiencies in the prior art, there is provided one kind is based on IGCT control electric capacity
The power frequency series resonance boosting CVT calibrating installations of device.
The utility model solves its technical problem and takes following technical scheme to realize：
A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor, it is characterised in that：Including
Power supply, pressure regulator, testing transformer, IGCT control capacitor, resonant inductance and control protective unit, the power supply, tune
Depressor, testing transformer, IGCT control capacitor, resonant inductance are sequentially connected in series, and the output end connection of resonant inductance is tested
CVT, the output end of resonant inductance is also associated with a control protective unit, and the control protective unit is connected to IGCT control electricity
Container.
Moreover, the resonant inductance by fixed value reactor, Verification of Measuring Current Transformer and standard potential transformer according to
It is secondary to be composed in series.
Moreover, the control protective unit controls protection module and transducer check module to form by IGCT.
The advantages of the utility model and good effect are：
1st, the present apparatus can adjust series equivalent reactance value, it is occurred with test item by adjusting turn on thyristors angle
Series resonance, and then input low-voltage is adjusted to Q times of voltage output (wherein Q values can adjust as needed), the signal of its result
As shown in Fig. 3, input voltage 10kV, output voltage 575kV, pass through 57.5 times of output voltage of series resonance acquisition.
2nd, the utility model replaces adjusting gapped-core type capacitor using IGCT control capacitor, and reducing mechanical structure makes
With, the compactedness and service life of whole device can be improved, while the phenomenon that skyrockets in voltage elevation process is avoided, and then
So that it is more flexible to the control of main circuit equivalent inductance value, it is suitable for on-site CVT verification test needs.
Brief description of the drawings
Fig. 1 is modular construction figure of the present utility model；
Fig. 2 is electrical structure diagram of the present utility model；
Fig. 3 is the output voltage schematic diagram after being adjusted using the present apparatus.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is described in further detail by specific embodiment, and following examples are simply retouched
The property stated, be not limited, it is impossible to limit the scope of protection of the utility model with this.
A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor, including power supply, pressure regulation
Device, testing transformer, IGCT control capacitor, resonant inductance and control protective unit, the power supply, pressure regulator, experiment
Transformer, IGCT control capacitor, resonant inductance are sequentially connected in series, and the output end of resonant inductance connects tested CVT, resonance
The output end of inductance is also associated with a control protective unit, and the control protective unit is connected to IGCT control capacitor；
The resonant inductance is sequentially connected in series by fixed value reactor, Verification of Measuring Current Transformer and standard potential transformer
Composition；
The control protective unit controls protection module and transducer check module to form by IGCT.
The present apparatus adjusts turn on thyristors scope by thyristor control circuit, so as to adjust IGCT control capacitor etc.
Imitate impedance so that with subject series resonance occurs for main circuit, so as to obtain Q times of input voltage, and then completes CVT and normal voltage
The error of transformer compares, and realizes to being tested CVT calibration operations.
At lower voltages, turn on thyristors angle is adjusted by controller, makes device that series resonance occur with subject CVT；
Pressure regulator no-load voltage ratio is adjusted, control voltage is stepped up to test value；
It will be tested in each test value and be contrasted with standard mutual inductor device, CVT calibratings are completed by mutual-inductor tester.
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, those skilled in the art can be with
Understand：Do not departing from the utility model and spirit and scope of the appended claims, it is various replace, change and modifications all be can
Can, therefore, the scope of the utility model is not limited to embodiment and accompanying drawing disclosure of that.
Claims (3)
- The CVT calibrating installations 1. a kind of power frequency series resonance based on IGCT control capacitor boosts, it is characterised in that：Including electricity Source, pressure regulator, testing transformer, IGCT control capacitor, resonant inductance and control protective unit, the power supply, pressure regulation Device, testing transformer, IGCT control capacitor, resonant inductance are sequentially connected in series, and the output end of resonant inductance connects what is be tested CVT, the output end of resonant inductance are also associated with a control protective unit, and the control protective unit is connected to IGCT control electric capacity Device.
- The CVT calibrating installations 2. the power frequency series resonance according to claim 1 based on IGCT control capacitor boosts, its It is characterised by：The resonant inductance is gone here and there successively by fixed value reactor, Verification of Measuring Current Transformer and standard potential transformer Connection composition.
- The CVT calibrating installations 3. the power frequency series resonance according to claim 1 based on IGCT control capacitor boosts, its It is characterised by：The control protective unit controls protection module and transducer check module to form by IGCT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875066.4U CN207067381U (en) | 2017-07-19 | 2017-07-19 | A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875066.4U CN207067381U (en) | 2017-07-19 | 2017-07-19 | A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207067381U true CN207067381U (en) | 2018-03-02 |
Family
ID=61511957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875066.4U Active CN207067381U (en) | 2017-07-19 | 2017-07-19 | A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207067381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856585A (en) * | 2019-02-28 | 2019-06-07 | 国网福建省电力有限公司莆田供电公司 | Resonant state judgment method during a kind of voltage mutual inductor serial resonance step-up |
-
2017
- 2017-07-19 CN CN201720875066.4U patent/CN207067381U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856585A (en) * | 2019-02-28 | 2019-06-07 | 国网福建省电力有限公司莆田供电公司 | Resonant state judgment method during a kind of voltage mutual inductor serial resonance step-up |
| CN109856585B (en) * | 2019-02-28 | 2020-12-18 | 国网福建省电力有限公司莆田供电公司 | Resonance state judgment method in voltage transformer series resonance boosting process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521338B (en) | Frequency conversion parallel resonance voltage withstand test method based on cascade voltage boosting | |
| CN109239638A (en) | Capacitance type potential transformer harmonic error measures correcting device | |
| CN108574345A (en) | A kind of wireless power transmission equipment transmitting terminal self-adapting tuning device and tuning methods | |
| CN105044408A (en) | High-current current boosting device for ultrahigh-voltage current transformer calibration | |
| CN101753037A (en) | High voltage generation device of medical high-frequency high voltage generator | |
| CN103576062A (en) | Wireless frequency conversion resonance withstand voltage testing device and testing method thereof | |
| CN106443395A (en) | Ultra-high/extra-high voltage reactor local discharge test circuit compensating apparatus | |
| CN207067381U (en) | A kind of power frequency series resonance boosting CVT calibrating installations based on IGCT control capacitor | |
| CN104062603A (en) | Full-power aging test method for current transformer | |
| CN103543361A (en) | Frequency-conversion voltage-regulation on-site no-load test method for large extra-high voltage transformer | |
| CN104300827A (en) | 2,400kV/30mA movable partial-discharge-free direct-current high-voltage generator | |
| CN104345234A (en) | Harmonic power supply feature test system and method | |
| CN101303380B (en) | Method for testing on site high voltage dielectric loss of capacitance type mutual inductor | |
| CN103267917A (en) | Method and device for full-load test of high-capacity reactive compensation device without direct utilization of power grid | |
| CN102944775A (en) | Characteristic test system for high-capacity transformer based on high-voltage variable-frequency power supply | |
| CN105372618A (en) | 500kV voltage transformer check power source multi-stage reactive power compensation system | |
| CN108964120A (en) | Low pressure distributed photovoltaic access capacity optimal control method | |
| CN102185337A (en) | Grid stimulating device | |
| CN102269786B (en) | Load testing device for triple-frequency transformer | |
| CN104316796A (en) | High power harmonic power supply characteristic testing system and method | |
| CN104076314B (en) | A kind of vehicular 1000kV voltage transformer (VT) calibration equipment | |
| CN205176152U (en) | High voltage direct current filter capacitor audible noise test circuit | |
| CN102904262B (en) | Transformer characteristic test comprehensive compensation system based on static var generator (SVG) | |
| Hosseini et al. | Super-Capacitor based D-STATCOM applied in IEEE 13-Bus industrial distribution system | |
| CN204065390U (en) | A kind of vehicular 1000kV voltage transformer (VT) calibration equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |