CN204230914U - A kind of convenience is to the complete SVG device of phase - Google Patents
A kind of convenience is to the complete SVG device of phase Download PDFInfo
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- CN204230914U CN204230914U CN201420625419.1U CN201420625419U CN204230914U CN 204230914 U CN204230914 U CN 204230914U CN 201420625419 U CN201420625419 U CN 201420625419U CN 204230914 U CN204230914 U CN 204230914U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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Abstract
The utility model discloses the complete SVG device of a kind of convenience to phase, belong to high-vol field.Comprise the SVG power cabinet being built-in with some power models and the master controller be connected with the power model of SVG power cabinet, on each power model, connection one is with the drive plate of the voltage sampling circuit of the ac output voltage waveform of collection power model, drive plate to be connected with master controller by optical fiber and to communicate, and master controller is also connected with the computer that storage has waveform software for display and standard voltage shape.To phase time, the ac output voltage waveform of each module is gathered by drive plate and carries out A/D conversion, then pass in master controller and external computer, by the output waveform using the waveform software for display that computer is installed to check each module, and complete accurately rapidly put into operation before to working mutually.
Description
Technical field
The utility model patent relates to high-vol field, refers to a kind of SVG the complete sets of equipment especially.
Background technology
Need in network system running to carry out reactive power compensation to electrical network, to improve power factor during operation of power networks, reduce grid loss.Reactive-load compensation equipment conventional is in recent years active dynamic reactive compensation arrangement, is called for short SVG.In the SVG power cabinet of SVG device, a large amount of power model is installed, the power model of equal number that every phase (A phase, B phase, C phase) of three phase mains is all connected.Needed to carry out checking mutually to SVG device before SVG puts into operation; namely the voltage of SVG output and network system voltage are compared; guarantee that SVG device output voltage is identical with system voltage phase place, amplitude is equal, impulse current during at utmost to reduce grid-connected, protection system and equipment normal.If on the other hand because the situation that the individual power module output voltage installed or other reasons causes is different from expection also needs Timeliness coverage before putting into operation, cause device fatal damage after avoiding SVG device grid-connected.
Common SVG is by voltage transformer pt SVG output voltage gathered out to compare with the voltage of network system PT to phase method; The drawback of this kind of method existence mainly contains: high pressure P T is heavier, not Portable belt; From power model existing problems module phase result being judged to this phase, can only can not determine specifically which power model has problem, so just need wiring repeatedly to test, waste time and energy when certain module of a certain phase has problem; PT primary side is connected on multiple power model two ends, and voltage is higher, produces potential safety hazard to operating personnel.
Utility model content
The utility model technical issues that need to address are to provide the complete SVG device of a kind of convenience to phase, and before SVG device puts into operation, it can carry out working mutually rapidly accurately.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of convenience is to the complete SVG device of phase, comprise and be built-in with the SVG power cabinet being connected on the some power models in three-phase electricity by conductor wire and the master controller be connected with the power model of SVG power cabinet, on each power model, connection one is with the drive plate of the voltage sampling circuit of the ac output voltage waveform of collection power model, described drive plate to be connected with master controller by optical fiber and to communicate, and master controller is also connected with the computer that storage has waveform software for display and standard voltage shape.
Further concrete structure of the present utility model is: the voltage sampling circuit of drive plate mainly comprises the signal conditioning circuit connected successively, operational amplification circuit and A/D change-over circuit, the transformer B1 of signal conditioning circuit is connected with the interchange outlet side of power model, described operational amplification circuit mainly comprises two-stage calculation amplifier U26D and U26C, the voltage signal gathered by the interchange outlet side of power model is through signal condition, enter after A/D modular converter U40 carries out A/D conversion after operation amplifier, master controller is passed to by optical fiber, passed on computer by the network interface of master controller again.
Owing to adopting technique scheme, the technological progress acquired by the utility model is:
The utility model exchanges outlet side at each power model increases a voltage sampling circuit, by the drive plate on power model, master controller is passed to the ac output voltage waveform of module to phase time, then passed to by the network interface of master controller on the computer that waveform software for display is housed, so just can check the output voltage waveforms of each module of contrast on computers, before therefore putting into operation accurately rapidly to working mutually.Use this kind of device, do not need to re-use high pressure P T, also need not wiring repeatedly, looking up the fault module is accurate rapidly.
Each power model drive plate increases voltage sampling circuit, and gather the ac output voltage of this module, drive plate is communicated with master controller by optical fiber.After all module output voltage signals reach master controller, master controller passes to each voltage signal the computer that storage has waveform software for display and standard voltage shape again.The output waveform of each module can be checked by the waveform software for display on computer to phase time, determine whether with expect consistent.
Each module drive plate increases voltage sampling circuit, and power model exchanges the input that outlet side is connected to sample circuit.Voltage sampling circuit mainly comprises the signal conditioning circuit, operational amplification circuit and the A/D change-over circuit that connect successively, the transformer B1 of signal conditioning circuit is connected with the interchange outlet side of power model, enter after A/D modular converter U40 carries out A/D conversion after two-stage calculation amplifier U26D, U26C operation amplifier, pass to master controller by optical fiber, then passed on computer by the network interface of master controller.Calculator memory storage is by waveform software for display and standard voltage shape, after arriving computer by the voltage waveform that each power model 2 in SVG power cabinet collects, by the waveform software for display installed in computer, voltage waveform on each power model 2 can be made to show on the screen of computer, by checking the output waveform of each power model, determine that output waveform is whether correct, complete before putting into operation to working mutually.
Accompanying drawing explanation
Fig. 1 is SVG device system composition diagram of the present utility model,
The electrical schematic diagram of the voltage sampling circuit on Fig. 2 drive plate of the present utility model, the direction of arrow is signal of telecommunication trend.
In accompanying drawing, 1, SVG power cabinet, 2, power model, 3, conductor wire, 4, netting twine, 5, master controller, 6, drive plate, 7, three-phase electricity neutral point, 8, computer, 9, optical fiber.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details:
Convenience, to a complete SVG device for phase, comprises SVG power cabinet 1, master controller 5, computer.
SVG power cabinet 1 is built-in with some power models 2, these power models 2 are evenly distributed in A, B, C three-phase electricity, every power model gone up mutually is all cascaded by conductor wire 3, and the tail end of the three-phase conductor wire 3 of series power module 2 is connected together the hub-and-spoke configuration being formed and have three-phase electricity neutral point 7.Master controller 5 is connected with the power model 2 in SVG power cabinet 1.Each power model 2 connects a drive plate 6, comprises a voltage sampling circuit in drive plate 6, this voltage sampling circuit can gather the ac output voltage waveform of power model 2.
Drive plate 6 to be connected with master controller 5 by optical fiber and to communicate, the voltage sampling circuit of drive plate 6 mainly comprises the signal conditioning circuit connected successively, operational amplification circuit and A/D change-over circuit, the transformer B1 of signal conditioning circuit is connected with the interchange outlet side of power model 2, described operational amplification circuit mainly comprises two-stage calculation amplifier U26D, U26C, the voltage signal gathered by the interchange outlet side of power model 2 is through signal condition, enter after A/D modular converter U40 carries out A/D conversion after operation amplifier, master controller is passed to by optical fiber, passed on computer 8 by the network interface of master controller again.Calculator memory contain waveform software for display and standard voltage shape, after arriving computer by the voltage waveform that each power model 2 in SVG power cabinet collects, by the waveform software for display installed in computer, voltage waveform on each power model 2 can be made to show on the screen of computer, by checking the output waveform of each power model, before can putting into operation accurately rapidly to working mutually.
To phase time, the ac output voltage waveform of each module is by the drive plate collection in module and carry out A/D conversion, master controller is passed to by optical fiber, then pass on external computer terminal by the network interface of master controller, by the output waveform using the waveform software for display installed in external computer to check each module, and complete accurately rapidly put into operation before to working mutually.
Claims (2)
1. a convenience is to the complete SVG device of phase, comprise the SVG power cabinet (1) being built-in with and being connected on the some power models (2) in three-phase electricity by conductor wire (3), and the master controller (5) to be connected with the power model (2) of SVG power cabinet (1), it is characterized in that: at the drive plate (6) of the upper connection one of each power model (2) with the voltage sampling circuit of the ac output voltage waveform of collection power model (2), described drive plate (6) to be connected with master controller (5) by optical fiber and to communicate, master controller (5) is also connected with the computer (8) that storage has waveform software for display and standard voltage shape.
2. a kind of convenience according to claim 1 is to the complete SVG device of phase, it is characterized in that: the voltage sampling circuit of drive plate (6) mainly comprises the signal conditioning circuit connected successively, operational amplification circuit and A/D change-over circuit, the transformer B1 of signal conditioning circuit is connected with the interchange outlet side of power model (2), described operational amplification circuit mainly comprises two-stage calculation amplifier U26D and U26C, the voltage signal gathered by the interchange outlet side of power model (2) is through signal condition, enter after A/D modular converter U40 carries out A/D conversion after operation amplifier, master controller is passed to by optical fiber, passed on computer by the network interface of master controller again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625419.1U CN204230914U (en) | 2014-10-27 | 2014-10-27 | A kind of convenience is to the complete SVG device of phase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625419.1U CN204230914U (en) | 2014-10-27 | 2014-10-27 | A kind of convenience is to the complete SVG device of phase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230914U true CN204230914U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625419.1U Active CN204230914U (en) | 2014-10-27 | 2014-10-27 | A kind of convenience is to the complete SVG device of phase |
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| Country | Link |
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| CN (1) | CN204230914U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048477A (en) * | 2015-08-04 | 2015-11-11 | 河北旭辉电气股份有限公司 | Self-adaptive phase sequence control method of static var compensator (SVC) device |
| CN107346891A (en) * | 2016-06-14 | 2017-11-14 | 台州市劲野智能科技有限公司 | SVC with wiring error correction |
-
2014
- 2014-10-27 CN CN201420625419.1U patent/CN204230914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048477A (en) * | 2015-08-04 | 2015-11-11 | 河北旭辉电气股份有限公司 | Self-adaptive phase sequence control method of static var compensator (SVC) device |
| CN107346891A (en) * | 2016-06-14 | 2017-11-14 | 台州市劲野智能科技有限公司 | SVC with wiring error correction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |