CN202693701U - Power unit body detection platform - Google Patents
Power unit body detection platform Download PDFInfo
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- CN202693701U CN202693701U CN 201220300328 CN201220300328U CN202693701U CN 202693701 U CN202693701 U CN 202693701U CN 201220300328 CN201220300328 CN 201220300328 CN 201220300328 U CN201220300328 U CN 201220300328U CN 202693701 U CN202693701 U CN 202693701U
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Abstract
The utility model relates to a power unit body detection platform which comprises a rectifier circuit, a booster circuit, a voltage sensor, a current sensor, a reactor, a display screen and a main controller. The AC (Alternate Current) side of the rectifier circuit is connected with a power grid; the DC (Direct Current) side of the rectifier circuit is connected with the input side of the booster circuit; the output side of the booster circuit is connected with the DC side of a power unit body to be detected; the primary side of the voltage sensor is connected with the output side of the booster circuit; after being connected in series with the reactor, the primary side of the current sensor is connected with the AC side of the power unit body to be detected; the main controller is connected with the power unit body to be detected by an optical fiber; the main controller is connected with the regulation control end of the booster circuit by a shielding twisted pair; the secondary side of the voltage sensor and the secondary side of the current sensor are respectively connected with the main controller by shielding cables; and the main controller is connected with the display screen by a communication interface. According to the utility model, the rework maintenance rate of the power unit body is effectively reduced, the transportation cost is saved and the fault troubleshooting speed is quickened.
Description
Technical field
The utility model relates to power electronics and power quality control technology, particularly the power cell body detection platform of a kind of chain type SVG or chain type APF.
Background technology
Chain type SVG(static reacance generator) with chain type APF(Active Power Filter-APF) its major loop is in series by a plurality of identical power cell bodies, so the no normal operation of power cell physical efficiency has determined stability and the reliability of complete equipment.Yet, long-distance transportation, deposit the factors such as improper measures and all may cause the power cell body can't normally use at the scene.The electronic devices and components such as H bridge inverter circuit that IGBT consists of and cell controller are housed in the power cell body of chain type SVG and chain type APF, what break down behind the long-play is still within the bounds of possibility, in case the rear on-the-spot shortage effective measures that break down are tested and checked.Simultaneously, chain type SVG and chain type APF are widely used in the remote occasion such as generation of electricity by new energy, mine, metallurgy and transformer station, and the cost compare of equipment conveying and installation is high.
When chain type SVG and chain type APF use at the scene, the power cell body only could be realized complete function after complete equipment install, therefore in case find that there is fault in some power cell body, a large amount of manpowers and time be will expend and fault power cell location, maintenance or replacing carried out, and when the fault power unit is carried out on-site maintenance or replacing, also can't test, again drop into after may still can't normally move.Therefore, before the power cell body is installed, be necessary to its test of being correlated with.
The utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to propose a kind of detection platform of power cell body, and it can solve the problem of at the scene the power cell body being carried out test and check.
In order to achieve the above object, the technical scheme that adopts of the utility model is as follows:
A kind of power cell body detection platform, it comprises rectification circuit, booster circuit, voltage sensor, current sensor, reactor, display screen and master controller; The AC of rectification circuit links to each other with electrical network, and DC side links to each other with the input side of booster circuit; The outgoing side of booster circuit links to each other with the DC side of power cell body to be detected; The former limit of voltage sensor links to each other with the outgoing side of booster circuit; The former limit of current sensor links to each other with the AC of power cell body to be detected with the reactor series connection is rear; Master controller links to each other by the fibre-optical splice of optical fiber with power cell body to be detected; Master controller links to each other with the regulation and control end of booster circuit by Shielded Twisted Pair; The secondary of voltage sensor, the secondary of current sensor link to each other with master controller by shielded cable respectively; Master controller links to each other with display screen by communication interface.
As preferred structure, described rectification circuit is the rectifier bridge that diode consists of, and it can be converted into DC voltage with alternating voltage.
As preferred structure, described booster circuit comprises direct current reactor, diode, IGBT, capacitor; One end of direct current reactor is connected with the positive ends of the DC side of rectification circuit, and the anode of diode, the collector of IGBT are connected with the other end of direct current reactor respectively; The negative electrode of diode links to each other with the positive ends of capacitor, links to each other with the negative polarity end of the DC side of rectification circuit after the negative polarity end of capacitor links to each other with the emitter of IGBT; The positive ends of capacitor, negative polarity end are the two ends of the outgoing side of booster circuit; Shielded Twisted Pair links to each other with emitter with the gate pole of IGBT.Booster circuit the DC voltage of input is raise and be stabilized in 1000V after export, be the DC side power supply of power cell body to be detected, the DC voltage when simulation chain type SVG device normally moves.
Voltage sensor is measured the DC voltage of booster circuit outgoing side, and namely the DC voltage of power cell body to be detected sends measuring-signal to master controller.
The output current of current sensor measurement power cell body to be detected sends measuring-signal to master controller.
Master controller receives DC voltage and the status information of power cell body to be detected by optical fiber, sends the output voltage that power cell body to be detected is controlled in instruction; Link to each other with IGBT in the booster circuit by Shielded Twisted Pair, the output voltage of control booster circuit maintains 1000V; Master controller links to each other with display screen by communication interface, sends the running status of power cell body to be detected to display screen and observes for operating personnel.
Compared with prior art, the beneficial effects of the utility model are: for the power cell body of chain type SVG or chain type APF provides service condition, make the power cell body can be independent of the complete equipment operation, guarantee again consistent with in complete equipment of service condition, and the status information of power cell body informed the site operation personnel, solved the power cell body at the scene power be difficult to the problem of test and check, effectively reduce the depot repair rate, save transportation cost, accelerated the speed of malfunction elimination.
Description of drawings
Fig. 1 is the topology diagram of the power cell body detection platform of the utility model preferred embodiment;
Fig. 2 is the topology diagram of the booster circuit of Fig. 1.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further, so that clearerly understand the utility model technological thought required for protection.
As depicted in figs. 1 and 2, a kind of power cell body detection platform, it comprises rectification circuit 1, booster circuit 2, voltage sensor 3, current sensor 4, reactor 5, display screen 11 and master controller 6.
The AC of rectification circuit 1 links to each other with the 380V electrical network, and DC side links to each other with the input side of booster circuit 2; The outgoing side of booster circuit 2 links to each other with the DC side of power cell body 12 to be detected; The former limit of voltage sensor 3 links to each other with the outgoing side of booster circuit 2; The former limit of current sensor 4 links to each other with the AC of power cell body 12 to be detected with reactor 5 series connection are rear; Master controller 6 links to each other with the fibre-optical splice of power cell body 12 to be detected by optical fiber 7; Master controller 6 links to each other with the regulation and control end of booster circuit 2 by Shielded Twisted Pair 8; The secondary of the secondary of voltage sensor 3, current sensor 4 links to each other with master controller 6 by shielded cable 9 respectively; Master controller 6 links to each other with display screen 11 by communication interface 10.
The three-phase commutation bridge that the rectification circuit 1 of present embodiment consists of for diode is converted into DC voltage with the alternating voltage of inputting.
The booster circuit 2 of present embodiment is DC/DC converter, by booster circuit 2 DC voltage is increased to 1000V, is the DC side power supply of power cell body 12 to be detected, the DC voltage when simulation chain type SVG device normally moves.DC/DC converter can adopt the Boost chopper circuit, structure as shown in Figure 2, booster circuit 2 comprises direct current reactor 16, diode 13, IGBT 14, capacitor 15; One end of direct current reactor 16 is connected with the positive ends of the DC side of rectification circuit 1, and the collector of the anode of diode 13, IGBT 14 is connected with the other end of direct current reactor 16 respectively; The negative electrode of diode 13 links to each other with the positive ends of capacitor 15, links to each other with the negative polarity end of the DC side of rectification circuit 1 after the negative polarity end of capacitor 15 links to each other with the emitter of IGBT 14; The positive ends of capacitor 15, negative polarity end are the two ends of the outgoing side of booster circuit 2; Shielded Twisted Pair 8 links to each other with emitter (the regulation and control end of booster circuit 2) with the gate pole of IGBT 14, and control IGBT 14 turns on and off, and regulates booster circuit 2 output dc voltages and is stabilized in 1000V.
Current sensor 4 is measured the electric current of the reactor 5 of flowing through, the output current of power cell body 12 to be detected namely, and measuring-signal sends master controller 6 to by shielded cable 9.
Operating personnel can judge just by observed data on display screen 11 whether power cell body 12 to be detected is measured the key functions such as DC voltage, optical-fibre communications, output voltage normal.For the relatively moister power cell body of storage environment, can carry out drying by heating to power cell body self in the lower downward long running of the output voltage time, guarantee that the insulation of power cell body and voltage endurance capability reach designing requirement.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of the utility model claim all.
Claims (3)
1. a power cell body detection platform is characterized in that, comprises rectification circuit, booster circuit, voltage sensor, current sensor, reactor, display screen and master controller; The AC of rectification circuit links to each other with electrical network, and DC side links to each other with the input side of booster circuit; The outgoing side of booster circuit links to each other with the DC side of power cell body to be detected; The former limit of voltage sensor links to each other with the outgoing side of booster circuit; The former limit of current sensor links to each other with the AC of power cell body to be detected with the reactor series connection is rear; Master controller links to each other by the fibre-optical splice of optical fiber with power cell body to be detected; Master controller links to each other with the regulation and control end of booster circuit by Shielded Twisted Pair; The secondary of voltage sensor, the secondary of current sensor link to each other with master controller by shielded cable respectively; Master controller links to each other with display screen by communication interface.
2. power cell body detection platform as claimed in claim 1 is characterized in that, described rectification circuit is the rectifier bridge that diode consists of.
3. power cell body detection platform as claimed in claim 1 is characterized in that described booster circuit comprises direct current reactor, diode, IGBT, capacitor; One end of direct current reactor is connected with the positive ends of the DC side of rectification circuit, and the anode of diode, the collector of IGBT are connected with the other end of direct current reactor respectively; The negative electrode of diode links to each other with the positive ends of capacitor, links to each other with the negative polarity end of the DC side of rectification circuit after the negative polarity end of capacitor links to each other with the emitter of IGBT; The positive ends of capacitor, negative polarity end are the two ends of the outgoing side of booster circuit; Shielded Twisted Pair links to each other with emitter with the gate pole of IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300328 CN202693701U (en) | 2012-06-25 | 2012-06-25 | Power unit body detection platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300328 CN202693701U (en) | 2012-06-25 | 2012-06-25 | Power unit body detection platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693701U true CN202693701U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300328 Expired - Fee Related CN202693701U (en) | 2012-06-25 | 2012-06-25 | Power unit body detection platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN202693701U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884941A (en) * | 2014-03-28 | 2014-06-25 | 深圳市英威腾电气股份有限公司 | High-voltage inverter, power unit and method and system for testing power unit |
| CN104459365A (en) * | 2014-06-30 | 2015-03-25 | 南京亚派科技实业有限公司 | Method for diagnosing fault of active power filter |
| CN105866583A (en) * | 2016-04-14 | 2016-08-17 | 广东明阳龙源电力电子有限公司 | Testing tool for ripple current resistance of multi-specification thin-film capacitor |
| CN107132447A (en) * | 2017-07-06 | 2017-09-05 | 国网四川省电力公司内江供电公司 | SVG power cell self checking methods |
| CN109143009A (en) * | 2017-06-15 | 2019-01-04 | 许继电气股份有限公司 | A kind of IGBT power module test macro |
-
2012
- 2012-06-25 CN CN 201220300328 patent/CN202693701U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884941A (en) * | 2014-03-28 | 2014-06-25 | 深圳市英威腾电气股份有限公司 | High-voltage inverter, power unit and method and system for testing power unit |
| CN104459365A (en) * | 2014-06-30 | 2015-03-25 | 南京亚派科技实业有限公司 | Method for diagnosing fault of active power filter |
| CN105866583A (en) * | 2016-04-14 | 2016-08-17 | 广东明阳龙源电力电子有限公司 | Testing tool for ripple current resistance of multi-specification thin-film capacitor |
| CN109143009A (en) * | 2017-06-15 | 2019-01-04 | 许继电气股份有限公司 | A kind of IGBT power module test macro |
| CN107132447A (en) * | 2017-07-06 | 2017-09-05 | 国网四川省电力公司内江供电公司 | SVG power cell self checking methods |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |