CN203037813U - Open circuit voltage wave generator - Google Patents
Open circuit voltage wave generator Download PDFInfo
- Publication number
- CN203037813U CN203037813U CN 201220747084 CN201220747084U CN203037813U CN 203037813 U CN203037813 U CN 203037813U CN 201220747084 CN201220747084 CN 201220747084 CN 201220747084 U CN201220747084 U CN 201220747084U CN 203037813 U CN203037813 U CN 203037813U
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage wave
- open
- pressure forming
- waveform
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses an open circuit voltage wave generator and belongs to the waveform generation apparatus. The apparatus comprises a high voltage formation circuit, a energy storage circuit, a discharging switch, a waveform formation circuit and a control circuit. After the high voltage formation circuit charges the energy storage circuit, the energy storage circuit is connected to the waveform formation circuit through the discharging switch and carries out discharge test on a tested product. The control circuit carries out switch control on the high voltage formation circuit and the discharging switch. Performance of the generator of the utility model is stable. The generator is safe and reliable.
Description
Technical field
The utility model relates to a kind of 1.2/50 μ s open-circuit voltage wave producer, belongs to waveshape generating device.
Background technology
1.2/50 impulse voltage generator is a kind of high-voltage generating device that produces the full sized pules ripple, is used to study the insulating property of power equipment switching overvoltage.Along with economy and development of science and technology, various electronic message unit emerge in multitudes and widely-used, the especially development of microelectric technique improves constantly integrated, the miniaturization level of electron device.But in development, the tolerance superpotential of electronic message unit, tolerance excess current and anti lightning electromagnetic pulse ability but descend greatly.For assurance equipment can normally move under various superpotential, overcurrent situations, for equipment provides the running environment of a safety, surge protector becomes one of important electron device of over-voltage.Stipulated surge protector is used the examination criteria of device gas-discharge tube, clearance and solid-state discharge tube among the GB18802, with the deboost of 1.2/50 μ s surge voltage test component.Present voltage wave generator still remains to be improved in degree of accuracy and security.
The utility model content
Technical problem to be solved in the utility model be at the defective that prior art exists propose that a kind of circuit is simple, stable performance, safe and reliable 1.2/50 μ s open-circuit voltage wave producer.
The utility model adopts following technical scheme for solving above technical matters:
A kind of open-circuit voltage wave producer comprises that high-pressure forming circuit, tank circuit, discharge switch, waveform form circuit and control circuit; Described waveform formation circuit comprises with tank circuit connects and parallel resistor, is used to form the open-circuit voltage wave mode of 1.2/50 μ s; After described high-pressure forming circuit charged to tank circuit, tank circuit was connected to waveform formation circuit by discharge switch product to be tested is carried out discharge test; Described control circuit carries out switch control to high-pressure forming circuit and discharge switch.
As further prioritization scheme of the present utility model, described high-pressure forming circuit is adjustable 0-20kV high-voltage power supply.
As further prioritization scheme of the present utility model, described control circuit is controlled high-pressure forming circuit and discharge switch by keyswitch and relay, wherein: utilize the mode of relay self-locking to prevent that tank circuit from discharging and recharging simultaneously.
As further prioritization scheme of the present utility model, described discharge switch is rotary magnet.
As further prioritization scheme of the present utility model, described tank circuit is electric capacity.
The utility model adopts above technical scheme, compared with prior art has following technique effect:
The utility model circuit design is simple, and stable performance is easy to operate.
Control circuit of the present utility model adopts the mode of relay self-locking to prevent that tank circuit from discharging and recharging simultaneously, and is safe.
The utility model output waveform error range is little, meets the related request of international norm, not only can be used as the test of SPD, also adapts to the insulating property test of high voltage insulating materials.
High-tension circuit of the present utility model, device housings and charging capacitor have all been done the processing of good ground connection, have guaranteed operating personnel's safety.
The utility model shows that to the charging voltage value of electric capacity the handled easily personnel are directly acquainted with the operation conditions of equipment.
Description of drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the circuit theory diagrams of tank circuit.
Fig. 3 is the circuit theory diagrams that waveform forms circuit.
Fig. 4 is the circuit theory diagrams of control circuit.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is done introduction in further detail:
Structured flowchart of the present utility model as shown in Figure 1, comprise that high-pressure forming circuit, tank circuit, discharge switch, waveform form circuit and control circuit, wherein: after described high-pressure forming circuit charged to tank circuit, tank circuit was connected to waveform formation circuit by discharge switch product to be tested is carried out discharge test.Described high-pressure forming circuit is adjustable 0-20kV high-voltage power supply.Described control circuit carries out switch control to high-pressure forming circuit and discharge switch.Described discharge switch is rotary magnet.
The circuit theory diagrams of tank circuit comprise a capacitor C 1, two resistance R 7, R8 and D.C. voltmeters as shown in Figure 2.D.C. voltmeter is for detection of the magnitude of voltage on the capacitor C 1.
The circuit theory diagrams of waveform formation circuit comprise two capacitor C 3, C4, six resistance R 1～R6 and a digital oscilloscope as shown in Figure 3.Described digital oscilloscope is for detection of voltage magnitude and the voltage waveform at product to be tested two ends.
The circuit theory diagrams of control circuit as shown in Figure 4, comprise two keyswitch K1, K2, two relay J 1, J2, wherein: J1-1 is the normally opened contact of J1, the break-make of high-pressure forming circuit is directly controlled in this contact, J2-1 is the normally closed contact of J2, J2-2 is the normally opened contact of J2, thereby this contact is by the break-make of the action control discharge loop of control rotary magnet.The course of work of the present utility model is as follows, the K switch 1 that at first pushes button, this moment relay J 1 coil electricity, the J1-1 closure, the high-pressure forming circuit conducting, capacitor C 1 begin the charging.When the magnitude of voltage of capacitor C 1 reaches required value, K switch 2 pushes button, the coil electricity of relay J 2, J2-1 disconnects, thus relay J 1 coil blackout, J1-1 disconnects, high-pressure forming circuit disconnects, simultaneously, and the J2-2 closure, the energising of control rotary magnet, capacitor C 1 forms circuit to the product to be tested discharge test by waveform.
Claims (5)
1. an open-circuit voltage wave producer is characterized in that: comprise that high-pressure forming circuit, tank circuit, discharge switch, waveform form circuit and control circuit; Described waveform forms the open-circuit voltage wave mode that circuit is used to form 1.2/50 μ s; After described high-pressure forming circuit charged to tank circuit, tank circuit was connected to waveform formation circuit by discharge switch product to be tested is carried out discharge test; Described control circuit carries out switch control to high-pressure forming circuit and discharge switch.
2. open-circuit voltage wave producer according to claim 1, it is characterized in that: described high-pressure forming circuit is adjustable 0-20kV high-voltage power supply.
3. open-circuit voltage wave producer according to claim 1 is characterized in that: described control circuit is realized control to high-pressure forming circuit and discharge switch by relay, wherein: utilize the mode of relay self-locking to prevent that tank circuit from discharging and recharging simultaneously.
4. open-circuit voltage wave producer according to claim 1, it is characterized in that: described discharge switch is rotary magnet.
5. open-circuit voltage wave producer according to claim 1, it is characterized in that: described tank circuit is electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747084 CN203037813U (en) | 2012-12-31 | 2012-12-31 | Open circuit voltage wave generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220747084 CN203037813U (en) | 2012-12-31 | 2012-12-31 | Open circuit voltage wave generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037813U true CN203037813U (en) | 2013-07-03 |
Family
ID=48689924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220747084 Expired - Fee Related CN203037813U (en) | 2012-12-31 | 2012-12-31 | Open circuit voltage wave generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037813U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954810A (en) * | 2014-04-04 | 2014-07-30 | 南京信息工程大学 | 10/700 muS impulse voltage generator |
| CN104330598A (en) * | 2014-10-17 | 2015-02-04 | 南京信息工程大学 | Lightning damped oscillation wave generator |
| CN104374962A (en) * | 2014-10-24 | 2015-02-25 | 南京信息工程大学 | 10/1,000-microsecond lightning surge generator |
-
2012
- 2012-12-31 CN CN 201220747084 patent/CN203037813U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954810A (en) * | 2014-04-04 | 2014-07-30 | 南京信息工程大学 | 10/700 muS impulse voltage generator |
| CN104330598A (en) * | 2014-10-17 | 2015-02-04 | 南京信息工程大学 | Lightning damped oscillation wave generator |
| CN104374962A (en) * | 2014-10-24 | 2015-02-25 | 南京信息工程大学 | 10/1,000-microsecond lightning surge generator |
| CN104374962B (en) * | 2014-10-24 | 2017-04-19 | 南京信息工程大学 | 10/1,000-microsecond lightning surge generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103066557B (en) | Modular multi-level flexible direct current system direct current fault overvoltage restraining method | |
| CN202093065U (en) | Table type 1kV/mu s impulse voltage generator | |
| CN203117319U (en) | Combination waveform generator | |
| CN201107384Y (en) | High voltage dc transmission stream exchanging valve non-periodic triggering tester based on charging in parallel | |
| CN203037813U (en) | Open circuit voltage wave generator | |
| Wang et al. | Pole-to-ground fault analysis in transmission line of DC grids based on VSC | |
| CN201075122Y (en) | Off-cycle triggering tester of high voltage DC transmission converter valve | |
| Kuczek et al. | Transformer switching with vacuum circuit breaker: case study of PV inverter LC filters impact on transient overvoltages | |
| CN102486511B (en) | A kind of direct current converter valve impulse voltage test method | |
| CN205336147U (en) | Impulse voltage generator | |
| CN209267278U (en) | A kind of thunder and lightning power generator | |
| CN201854203U (en) | Multi-waveform striking current generator | |
| Li et al. | The impact of the lightning surge on SiC-based medium-voltage three-phase four-wire grid-connected converters | |
| CN102486514B (en) | Direct current converter valve non-periodic trigger test apparatus based on capacitance-resistance apparatus | |
| Li et al. | Nonlinear frequency characteristic of multiple series gaps with voltage-dividing network and its application in HVDC circuit breaker | |
| Yang et al. | Failure analysis and maintenance of a surge capacitor on the neutral bus in a±500 kV HVDC converter station | |
| CN201892723U (en) | Impulse-voltage test device for direct-current converting valve | |
| CN201892732U (en) | Aperiodic triggering test device of direct-current converting valve | |
| CN201993437U (en) | Aperiodic trigger test device of direct current (DC) converter valve based on resistance-capacitance device | |
| Shen et al. | Analysis of IGBT pseudodesaturation effect caused by stray parameters in DC circuit breaker | |
| Sekioka et al. | Damages in Japanese wind turbine generator systems due to winter lightning | |
| CN106452158B (en) | A kind of transformer type combination wave generation circuit | |
| CN218727832U (en) | Alternating current superposition impulse voltage generating device based on phase synchronization | |
| CN204462211U (en) | Based on the ring ripple test signal generator of electronic switch | |
| CN217335102U (en) | Novel wind power and photovoltaic grid-connected protection device |
Legal Events
| 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: 20130703 Termination date: 20141231 |
|
| EXPY | Termination of patent right or utility model |