CN203365622U - Discharge test device and high-speed grounding switch device controlling the same - Google Patents
Discharge test device and high-speed grounding switch device controlling the same Download PDFInfo
- Publication number
- CN203365622U CN203365622U CN 201320384091 CN201320384091U CN203365622U CN 203365622 U CN203365622 U CN 203365622U CN 201320384091 CN201320384091 CN 201320384091 CN 201320384091 U CN201320384091 U CN 201320384091U CN 203365622 U CN203365622 U CN 203365622U
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- switch device
- grounding
- discharge
- discharge test
- ground switch
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Abstract
The utility model provides a discharge test device and a high-speed grounding switch device controlling the same. The high-speed grounding switch device includes multiple groups of grounding switches soaking in insulation oil and connected with each other in series. Each group of the grounding switches is provided with one end of an insulation operation pull rod. The other end of the insulation operation pull rod is connected with an operation mechanism. When requiring grounding connection, the insulation operation pull rod pulls the grounding switches through the insulation pull rod to perform high-speed grounding discharge. By adopting the high-speed grounding switch device controlling the discharge test device, test efficiency is improved substantially and personnel security and equipment safety are guaranteed. And the high-speed grounding switch device controlling the discharge test device can also used for measuring magnitudes and frequencies of discharge voltage and current through cooperating with a discharge voltage and current measurement protection device, so that analysis and study of test results are facilitated.
Description
[technical field]
The utility model relates to a kind of discharge test device, particularly a kind of discharge test device and control the Quick ground switch device of this device.
[background technology]
Coupling condenser is mainly used in transmission line of alternation current, to realize the purpose of carrier wave, communication, measurement, control, protection and extraction electric energy.Main and other devices (comprising reactor, resistor etc.) of filter capacitor are linked together the composition wave filter, are used for providing impedance path to the harmonic component in AC system, improve the power factor of system simultaneously.
Sum up discovery according to ruuning situation and the national high voltage electric appliance quality supervision and test center pattern test situation of the on-the-spot feedback of user, the more problems that the said goods comes out in the direct-current discharge test.GB/T19749-2005 and GB/T20993-2007 all classify this test as type approval test examination project, its purpose is mainly whether the inside for verifying tested capacitor connects solid and reliable, the condenser capacitance value measured for twice before and after test is compared, can judge whether capacitor internal fuse, element exist damage.Therefore the said goods is carried out to discharge test for finding that product latent defect, raising operation of power networks reliability tool are of great significance.
At present discharge test can adopt DC voltage generator or impulse voltage generator charges to be tested to capacitor, and the latter is due to charge efficiency, low and voltage is difficult to keep, so by testing laboratory, is adopted hardly.After adopting DC voltage generator that capacitor is charged to sparking voltage, GB/T19749-2005 requires to carry out 2 rapid discharges within 5min, and GB/T20993-2007 requires to carry out 5 rapid discharges within 10min.General way is artificially with ground rod, manually to discharge, not only efficiency is low and also ground rod and capacitor between contact resistance larger, during electric discharge, can cause equipment ground point current potential to be raised, may work the mischief to personnel and equipment.
[utility model content]
For solving above technical matters, the utility model provides a kind of discharge test device and has controlled the Quick ground switch device of this device, under the prerequisite of assurance personnel and device security, realizes rapid grounding.
The technical scheme that the utility model adopts is:
A kind of discharge test Quick ground switch device, it is characterized in that: comprise and impregnated in insulating oil and the many groups that are connected in series grounding switch, be provided with insulation operation pull bar on each group grounding switch, the other end of described insulation operation pull bar is connected with operating mechanism, while needing ground connection, insulation operation pull bar drives grounding switch by insulated tension pole and carries out the rapid grounding electric discharge.
As preferred embodiment of the present utility model, described operating mechanism is pneumatic operator.
As preferred embodiment of the present utility model, the electric current of described many group grounding switches is measured by contactless Luo-coil.
As preferred embodiment of the present utility model, add 100X decay and discharge tube between described Luo-coil and oscillograph.
As preferred embodiment of the present utility model, described many group grounding switches are parallel with resitstance voltage divider to measure sparking voltage.
A kind of discharge test device based on above-mentioned Quick ground switch device, the discharge test device comprises DC generator, the Quick ground switch device be connected with DC generator, and the controller be connected with Quick ground switch device.
As preferred embodiment of the present utility model, described controller adopts single-phase 220V power supply, and described controller adopts optical fiber isolation light current control signal and heavy-current control signal.
As preferred embodiment of the present utility model, described controller is provided with the chain interface of protection, and the breaking signal of DC generator protects chain interface to be connected with this.
Discharge test device described in the utility model and the Quick ground switch device of controlling this device adopt the many groups grounding switch impregnated in insulating oil to be in series; in conjunction with insulation operation Tiebar structure; drive grounding switch by insulated tension pole and carry out the rapid grounding electric discharge when needs ground connection; not only significantly improved test efficiency; ensured the safety of personnel and equipment, and Combined with Radiotherapy piezoelectric voltage, current measurement protective device.
[accompanying drawing explanation]
The theory diagram of Fig. 1 the utility model test unit
The structural representation of Fig. 2 the utility model Quick ground switch device.
The schematic diagram of the control of Fig. 3 the utility model, protection, measurement module.
Fig. 4 discharge test loop schematic diagram.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail:
1 device scheme and principle of work
The utility model discharge test mainly is comprised of many groups grounding switch 1, pneumatic operator 5, insulation operation pull bar 3, voltage, current measurement module and controller with high speed grounding switch, the principle of work block diagram of whole equipment as shown in Figure 1, interference and the impact of discharge current on operating mechanism when overcoming rapid discharge, operating mechanism has adopted pneumatic operator.Voltage, current measurement module and controller adopt single-phase 220V power supply.And adopt optical fiber by light current control signal and the isolation of forceful electric power signal.Described many group grounding switches are parallel with resitstance voltage divider 7 to measure sparking voltage.
While discharging due to coupling condenser, the discharge current amplitude is higher, easily damages oscillograph, and therefore, the electric current of organizing grounding switch has adopted contactless Luo-coil to measure more, advances before oscillograph to add 100X decay and discharge tube and is protected.
In discharging capacitors when test,, controller is after obtaining the DC generator breaking signal, and the protection of controller is chain to be removed, and allows the ground connection Push-button lamp bright, and now pneumatic operator obtains electricly, can carry out the ground connection operation.Voltage, current peak, frequency when voltage, current measurement, protective device can be measured electric discharge; when the discharge current amplitude surpasses the grounding switch maximum permissible value; protective device is controlled the grounding switch emergency opening; and take multiple discharge to reduce current peak, thereby protective ground grounding switch and control and measure device thereof.
With adopt ground rod manually electric discharge compare, high speed grounding switch described in the utility model is not only safe and reliable but also can measure the parameters such as peak value, frequency of discharge current, can significantly improve discharge test efficiency.
2 Quick ground switch device sequence of operation explanations
Step1: by the chain interface of protection of the breaking signal access controller of DC generator;
Step2: by building the discharge test loop shown in Fig. 4;
Step3: DC generator is increased to coupling condenser or capacitive divider discharge test voltage;
Step4: after being stabilized in discharge test voltage, the DC generator separating brake, now Quick ground switch device ground connection is closed chain releasing, allows earth lamp bright;
Step5: by " ground connection is closed ", the electric discharge of coupling condenser ground connection, now measurement device discharge current amplitude and frequency;
Step6: DC generator ground connection is closed, off-test.
3 conclusions
The utility model adopts pneumatic operator to drive insulated tension pole operational grounding switch rapid grounding, significantly improved the efficiency of coupling condenser and filter capacitor discharge test, ensured the safety of personnel and equipment, the discharge test that can be used for coupling condenser, filter capacitor, meet the discharge time requirement in GB/T19749-2005 and GB/T20993-2007 defined time.
Although the above is described the utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make a lot of forms, within these all belong to protection of the present utility model.
Claims (8)
1. a discharge test Quick ground switch device, it is characterized in that: comprise and impregnated in insulating oil and the many groups that are connected in series grounding switch (1), be provided with insulation operation pull bar (3) on each group grounding switch, the other end of described insulation operation pull bar is connected with operating mechanism (5), while needing ground connection, insulation operation pull bar drives grounding switch by insulated tension pole and carries out the rapid grounding electric discharge.
2. Quick ground switch device as claimed in claim 1, it is characterized in that: described operating mechanism is pneumatic operator.
3. Quick ground switch device as claimed in claim 1, is characterized in that: organize the electric currents of grounding switches described by contactless Luo-coil measurement more.
4. Quick ground switch device as claimed in claim 3, is characterized in that: add 100X decay and discharge tube between described Luo-coil and oscillograph.
5. Quick ground switch device as claimed in claim 1, is characterized in that: organize grounding switches more described and be parallel with resitstance voltage divider (7) to measure sparking voltage.
6. the discharge test device based on the described Quick ground switch device of claim 1, it is characterized in that: described discharge test device comprises DC generator, the Quick ground switch device be connected with DC generator, and the controller be connected with Quick ground switch device.
7. discharge test device as claimed in claim 6, it is characterized in that: described controller adopts single-phase 220V power supply, and described controller adopts optical fiber isolation light current control signal and heavy-current control signal.
8. discharge test device as claimed in claim 6 is characterized in that: described controller is provided with the chain interface of protection, and the breaking signal of DC generator protects chain interface to be connected with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320384091 CN203365622U (en) | 2013-06-28 | 2013-06-28 | Discharge test device and high-speed grounding switch device controlling the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320384091 CN203365622U (en) | 2013-06-28 | 2013-06-28 | Discharge test device and high-speed grounding switch device controlling the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365622U true CN203365622U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320384091 Expired - Lifetime CN203365622U (en) | 2013-06-28 | 2013-06-28 | Discharge test device and high-speed grounding switch device controlling the same |
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| CN (1) | CN203365622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124811A (en) * | 2016-07-28 | 2016-11-16 | 国网辽宁省电力有限公司丹东供电公司 | High-voltage electrical apparatus automatic discharging protection device |
| CN106458042A (en) * | 2014-07-04 | 2017-02-22 | 西门子公司 | High voltage device for a rail vehicle |
-
2013
- 2013-06-28 CN CN 201320384091 patent/CN203365622U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106458042A (en) * | 2014-07-04 | 2017-02-22 | 西门子公司 | High voltage device for a rail vehicle |
| US20170136884A1 (en) * | 2014-07-04 | 2017-05-18 | Siemens Aktiengeselschaft | High voltage device for a rail vehicle |
| US10112490B2 (en) * | 2014-07-04 | 2018-10-30 | Siemens Aktiengesellschaft | High voltage device for a rail vehicle |
| CN106458042B (en) * | 2014-07-04 | 2019-03-08 | 西门子公司 | High-pressure installation for rail vehicle |
| CN106124811A (en) * | 2016-07-28 | 2016-11-16 | 国网辽宁省电力有限公司丹东供电公司 | High-voltage electrical apparatus automatic discharging protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210811 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: CHINA XD ELECTRIC Co.,Ltd. Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |