CN204462285U - A kind of surge voltage generation test unit - Google Patents
A kind of surge voltage generation test unit Download PDFInfo
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- CN204462285U CN204462285U CN201520153169.0U CN201520153169U CN204462285U CN 204462285 U CN204462285 U CN 204462285U CN 201520153169 U CN201520153169 U CN 201520153169U CN 204462285 U CN204462285 U CN 204462285U
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- Generation Of Surge Voltage And Current (AREA)
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Abstract
The utility model relates to a kind of surge voltage generation test unit, belongs to electrical test equipment field.Comprise: charge power supply, the impulse voltage generator be connected with charge power supply, described impulse voltage generator comprises: the charge protection resistance RC2, main capacitance CS1, the ball discharge discharge end that are connected with voltage input end; The connection of main capacitance CS1 and main capacitance CS2, this main capacitance CS2 is connected with wave front resistance Rf with wave terminal resistance Rt respectively, this wave front resistance RF ground connection, and the ball discharge discharge end of this impulse voltage generator is connected with pulse amplifier with electric capacity C by resistance R3; Therefore, the utility model tool has the following advantages: 1. reasonable in design, and structure is simple, and volume is little and completely practical; 2. surge voltage formation range is large, has wide range of applications.
Description
Technical field
The utility model relates to a kind of surge voltage generation test unit, belongs to electrical test equipment field, is specifically related to a kind of surge voltage generating means.
Background technology
Impulse voltage test system is the high-tension testing equipment of analog pulse.In actual life, pulse high-voltage often can run into.Such as natural lightning thunders, and thunderbolt place will there will be very high pulse current and voltage, also can induce very high pulse voltage around; The pulse voltage that operation also can cause transient state is cut in the conjunction of the switchgear and for example in electric system.The pulse voltage amplitude of these transient states is often more than tens kilovolts or hundreds of kilovolt, and will cause device damage and jeopardize personal safety, the experimental study therefore carrying out surge voltage is very important.On the other hand, the atmospheric electrical phenomena of simulating nature carries out the research of discharge mechanism is also highly significant.
But surge voltage generating means volume of the prior art is comparatively large, and surge voltage formation range is less, is difficult to satisfied experiment demand.
Utility model content
The surge voltage generating means volume that the utility model mainly solves existing for prior art is comparatively large, and surge voltage formation range is less, is difficult to the technical matters of satisfied experiment demand etc.; Provide a kind of surge voltage generation test unit.This device volume is little, and surge voltage formation range is large, has wide range of applications.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
A kind of surge voltage generation test unit, comprising: charge power supply, the impulse voltage generator be connected with charge power supply,
Described charge power supply comprises: charging transformer T, forms series loop again after the primary side of described charging transformer T is in parallel with resistance R2 with resistance R1 and input power; Voltage capacitance Cb, rectification silicon stack D2, charge protection resistance RC1, direct current high resistant RZ, protective resistance RB are connected rear ground connection to the high-pressure side of the secondary side of described charging transformer T successively with doubly; Described times voltage capacitance Cb's and rectification silicon stack D2 between tie point also by rectification silicon stack D1 ground connection; The low pressure end of described protective resistance RC1 is connected with the voltage input end of impulse voltage generator as the output terminal of charge power supply;
Described impulse voltage generator comprises: voltage input end, the charge protection resistance RC2, main capacitance CS1, the ball discharge discharge end that are connected with voltage input end; Described main capacitance CS1 is connected with one end of main capacitance CS2, and the other end of this main capacitance CS2 is connected with wave front resistance Rf with wave terminal resistance Rt respectively, and described wave terminal resistance Rt is connected with ball discharge receiving terminal;
And when the voltage input end of described impulse voltage generator is directly connected with the output terminal of described charge power supply, the wave front resistance RF ground connection of this impulse voltage generator, the ball discharge discharge end of this impulse voltage generator is connected with pulse amplifier with electric capacity C by resistance R3.
Optimize, above-mentioned a kind of surge voltage generating means, described impulse voltage generator is two or more, wherein: the voltage input end of next stage impulse voltage generator is connected with the charge protection resistance RC2 of its upper level impulse voltage generator, and the wave front resistance RF of next stage impulse voltage generator is connected with the ball discharge receiving terminal of its upper level impulse voltage generator; And the voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
Optimize, above-mentioned a kind of surge voltage generating means, described impulse voltage generator is even number, wherein: the voltage input end of described next stage impulse voltage generator is connected with the charge protection resistance RC2 of an impulse voltage generator on it; And: the wave front resistance RF of odd number impulse voltage generator is connected with the ball discharge receiving terminal of its upper level impulse voltage generator, and one end that one end that the main capacitance CS2 of even number impulse voltage generator is connected with wave front resistance Rf is directly connected with wave front resistance Rf with the main capacitance CS2 of upper level impulse voltage generator is connected; The ball discharge receiving terminal of described even number impulse voltage generator is connected with the ball discharge receiving terminal of upper level impulse voltage generator; The voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, and the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
Optimize, above-mentioned a kind of surge voltage generation test unit, described pulse output end is connected with grading ring.
Therefore, the utility model tool has the following advantages: 1. reasonable in design, and structure is simple, and volume is little and completely practical; 2. surge voltage formation range is large, has wide range of applications.
Accompanying drawing explanation
Electrical block diagram when Fig. 1 is the series connection of the utility model impulse voltage generator.
Electrical block diagram when Fig. 2 is the combination of the utility model impulse voltage generator series and parallel connections.
Electrical block diagram when Fig. 3 is the parallel connection of the utility model impulse voltage generator.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: as shown in Figure 1, a kind of surge voltage generation test unit, comprising: charge power supply, the impulse voltage generator be connected with charge power supply,
Charge power supply comprises: charging transformer T, forms series loop again after the primary side of charging transformer T is in parallel with resistance R2 with resistance R1 and input power; Voltage capacitance Cb, rectification silicon stack D2, charge protection resistance RC1, direct current high resistant RZ, protective resistance RB are connected rear ground connection to the high-pressure side of the secondary side of charging transformer T successively with doubly; Times voltage capacitance Cb's and rectification silicon stack D2 between tie point also by rectification silicon stack D1 ground connection; The low pressure end of protective resistance RC1 is connected with the voltage input end of impulse voltage generator as the output terminal of charge power supply;
Impulse voltage generator comprises: voltage input end, the charge protection resistance RC2, main capacitance CS1, the ball discharge discharge end that are connected with voltage input end; Main capacitance CS1 is connected with one end of main capacitance CS2, and the other end of this main capacitance CS2 is connected with wave front resistance Rf with wave terminal resistance Rt respectively, and wave terminal resistance Rt is connected with ball discharge receiving terminal;
And when the voltage input end of impulse voltage generator is directly connected with the output terminal of charge power supply, the wave front resistance RF ground connection of this impulse voltage generator, the ball discharge discharge end of this impulse voltage generator is connected with pulse amplifier with electric capacity C by resistance R3.
Impulse voltage generator can be multiple, thus can obtain and higher rush voltage.Fig. 1 is a kind of connected mode between multiple impulse voltage generator: the voltage input end of next stage impulse voltage generator is connected with the charge protection resistance RC2 of its upper level impulse voltage generator, and the wave front resistance RF of next stage impulse voltage generator is connected with the ball discharge receiving terminal of its upper level impulse voltage generator; And the voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
Adopt this kind of mode, all n levels of surge generator are all series connected at ignition point, can obtain maximum output voltage.
Fig. 2 is the another kind of connected mode between multiple impulse voltage generator, in this mode, impulse voltage generator is even number, wherein: the voltage input end of next stage impulse voltage generator is connected with the charge protection resistance RC2 of an impulse voltage generator on it; And: the wave front resistance RF of odd number impulse voltage generator is connected with the ball discharge receiving terminal of its upper level impulse voltage generator, and one end that one end that the main capacitance CS2 of even number impulse voltage generator is connected with wave front resistance Rf is directly connected with wave front resistance Rf with the main capacitance CS2 of upper level impulse voltage generator is connected; The ball discharge receiving terminal of even number impulse voltage generator is connected with the ball discharge receiving terminal of upper level impulse voltage generator; The voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, and the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
Connected mode when Fig. 3 is in parallel between multiple impulse voltage generator, wherein: the voltage input end of impulse voltage generator at different levels is parallel with one another, the ball discharge receiving terminal of impulse voltage generator at different levels is parallel with one another; One end that the main capacitance CS2 of impulse voltage generator at different levels is connected with wave front resistance Rf is parallel with one another; And resistance Rt and the open circuit of ball discharge receiving terminal; The voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, and the ball discharge receiving terminal of described afterbody impulse voltage generator is connected with pulse output end.
This on line mode is generally used in the impulse test of transformer and reactor, because the wave rear time of this test is only determined by the impedance of test product.In this on line mode, generator can produce maximum output energy.Pulse output end in the utility model is preferably connected with grading ring.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. a surge voltage generation test unit, is characterized in that, comprising: charge power supply, the impulse voltage generator be connected with charge power supply,
Described charge power supply comprises: charging transformer T, forms series loop again after the primary side of described charging transformer T is in parallel with resistance R2 with resistance R1 and input power; Voltage capacitance Cb, rectification silicon stack D2, charge protection resistance RC1, direct current high resistant RZ, protective resistance RB are connected rear ground connection to the high-pressure side of the secondary side of described charging transformer T successively with doubly; Described times voltage capacitance Cb's and rectification silicon stack D2 between tie point also by rectification silicon stack D1 ground connection; The low pressure end of described protective resistance RC1 is connected with the voltage input end of impulse voltage generator as the output terminal of charge power supply;
Described impulse voltage generator comprises: voltage input end, the charge protection resistance RC2, main capacitance CS1, the ball discharge discharge end that are connected with voltage input end; Described main capacitance CS1 is connected with one end of main capacitance CS2, and the other end of this main capacitance CS2 is connected with wave front resistance Rf with wave terminal resistance Rt respectively, and described wave terminal resistance Rt is connected with ball discharge receiving terminal;
And when the voltage input end of described impulse voltage generator is directly connected with the output terminal of described charge power supply, the wave front resistance RF ground connection of this impulse voltage generator, the ball discharge discharge end of this impulse voltage generator is connected with pulse amplifier with electric capacity C by resistance R3.
2. a kind of surge voltage generation test unit according to claim 1, it is characterized in that, described impulse voltage generator is two or more, wherein: the voltage input end of next stage impulse voltage generator is connected with the charge protection resistance RC2 of its upper level impulse voltage generator, the wave front resistance RF of next stage surge voltage generation test unit is connected with the ball discharge receiving terminal of its upper level surge voltage generation test unit; And the voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
3. a kind of surge voltage generation test unit according to claim 1, it is characterized in that, described impulse voltage generator is even number, wherein: the voltage input end of described next stage surge voltage generation test unit is connected with the charge protection resistance RC2 of its upper level surge voltage generation test unit; And: the wave front resistance RF of odd number impulse voltage generator is connected with the ball discharge receiving terminal of its upper level surge voltage generation test unit, and one end that one end that the main capacitance CS2 of even number impulse voltage generator is connected with wave front resistance Rf is directly connected with wave front resistance Rf with the main capacitance CS2 of upper level surge voltage generation test unit is connected; The ball discharge receiving terminal of described even number impulse voltage generator is connected with the ball discharge receiving terminal of upper level surge voltage generation test unit; The voltage input end of first order impulse voltage generator is connected with the output terminal of charge power supply, and the ball discharge receiving terminal of afterbody impulse voltage generator is connected with pulse output end.
4. a kind of surge voltage generation test unit according to claim 3, it is characterized in that, described pulse output end is connected with grading ring.
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| CN201520153169.0U CN204462285U (en) | 2015-03-18 | 2015-03-18 | A kind of surge voltage generation test unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627786A (en) * | 2017-03-22 | 2018-10-09 | 中国电力科学研究院 | Different voltages waveform subscript quasi-electric field generating means and electric field measuring apparatus calibrating installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108627786A (en) * | 2017-03-22 | 2018-10-09 | 中国电力科学研究院 | Different voltages waveform subscript quasi-electric field generating means and electric field measuring apparatus calibrating installation |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An impulse voltage generation test device Effective date of registration: 20220415 Granted publication date: 20150708 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: WUHAN UNITED ELECTRICAL EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2022420000105 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230920 Granted publication date: 20150708 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: WUHAN UNITED ELECTRICAL EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2022420000105 |