CN206002646U - A kind of exchange superimposed pulse Resonant High Voltage hookup - Google Patents
A kind of exchange superimposed pulse Resonant High Voltage hookup Download PDFInfo
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- CN206002646U CN206002646U CN201621063335.9U CN201621063335U CN206002646U CN 206002646 U CN206002646 U CN 206002646U CN 201621063335 U CN201621063335 U CN 201621063335U CN 206002646 U CN206002646 U CN 206002646U
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Abstract
A kind of exchange superimposed pulse Resonant High Voltage hookup, it is related to a kind of exchange superimposed pulse Resonant High Voltage experimental technique, in order to solve the problems, such as existing high-potting circuit cannot produce alternating voltage peak value at superimposed pulse oscillating voltage, two pressure regulators of the present utility model are connected with alternating current power supply, and pressure regulator is connected with testing transformer；Impulse hunting side testing transformer is connected with high voltage silicon rectifier stack and earth terminal, and high voltage silicon rectifier stack is connected with protective resistance；Controlled discharge sphere gap switch controls charging capacitor charge or discharge according to pulse signal；Charging capacitor is connected with auxiliary induction and coupled capacitor simultaneously；Coupled capacitor is connected with No. two protective resistances, and No. two protective resistances are connected with dry type hollow shunt reactor sample；AC testing transformer is connected with coupled capacitor.Have the beneficial effect that in superimposed pulse oscillating voltage at the peak value of alternating voltage of generation that alternating voltage peak is controlled, controlled and superimposed pulse oscillating voltage the number of times of superimposed pulse oscillating voltage initial value is controlled.
Description
Technical field
This utility model is related to a kind of exchange superimposed pulse Resonant High Voltage experimental technique.
Background technology
Reactor can play in power system the induction reactance of supplementary power system, the reactive power of balancing electric power system,
Limit all multiactions such as switching overvoltage and the power-frequency overvoltage of power system, therefore, reactor accounts for important in power system
Status.And dry-type air-core reactor has, and price is low, structure is simple, lightweight, reactance value is linear, loss is low, easy to maintenance
Etc. technical advantage.From the beginning of last century the nineties, power system widely uses dry type hollow shunt reactor.
In recent years, put into operation quantity and the increase of time of putting into operation with dry type hollow shunt reactor, burnout failure is also progressively
Increase, cause larger economic loss.One of the reason dry type hollow shunt reactor burns is switching overvoltage, and it is one
Plant the voltage waveform of overlapped high-frequency impulse hunting at power frequency ac voltage peak value.Occur to reduce reactor burnout failure,
Failure mechanism under this overvoltage for the research reactor insulation is very necessary, but existing high-potting circuit, or can only
Produce alternating voltage, or impulse hunting voltage can only be produced.
Utility model content
The purpose of this utility model is cannot be at the peak value producing alternating voltage in order to solve existing high-potting circuit
The problem of superimposed pulse oscillating voltage is it is proposed that a kind of exchange superimposed pulse Resonant High Voltage hookup.
A kind of exchange superimposed pulse Resonant High Voltage hookup described in the utility model, including the pressure regulation of impulse hunting side
Device, impulse hunting side testing transformer, high voltage silicon rectifier stack, protective resistance, pulse transformer, a controlled discharge sphere gap switch, fill
Electric capacity, auxiliary induction, AC pressure regulator, AC testing transformer, coupled capacitor and No. two protective resistances；
Two inputs of described impulse hunting side pressure regulator are connected with the zero line of 220V power-frequency voltage and live wire respectively；Arteries and veins
Two outfans of punching vibration side pressure regulator are connected with the two ends of described impulse hunting side testing transformer primary side winding respectively；
Vice-side winding one end of described impulse hunting side testing transformer is connected with the negative electrode of high voltage silicon rectifier stack, impulse hunting side
The vice-side winding other end ground connection of testing transformer；The anode of high voltage silicon rectifier stack is connected with one end of a protective resistance；A number guarantor
The other end of shield resistance is connected with terminals of controlled discharge sphere gap switch and one end of charging capacitor simultaneously；Controlled discharge
Another terminals of sphere gap switch are connected with the vice-side winding other end of impulse hunting side testing transformer；
The two ends of described pulse transformer primary side winding are connected with two outfans of pulse signal generator respectively, pulse
One end of transformer secondary winding is connected with the control end of controlled discharge sphere gap switch, the other end of pulse transformer vice-side winding
It is connected with the vice-side winding other end of impulse hunting side testing transformer；
The other end of described charging capacitor is connected with one end of auxiliary induction and one end of coupled capacitor simultaneously, auxiliary induction
The other end be connected with the vice-side winding other end of impulse hunting side testing transformer；
The other end of coupled capacitor is connected with one end of No. two protective resistances, and the other end of No. two protective resistances is empty with dry type
One end of heart shunt reactor sample is connected, and the other end of dry type hollow shunt reactor sample tests transformation with impulse hunting side
The vice-side winding other end of device is connected；
Two inputs of described AC pressure regulator are connected with the zero line of 220V power-frequency voltage and live wire respectively；AC
Two outfans of pressure regulator are connected with the two ends of described AC testing transformer primary side winding respectively, and AC tests transformation
The two ends of device vice-side winding are connected with the two ends of coupled capacitor respectively.
Described in the utility model a kind of exchange superimposed pulse Resonant High Voltage hookup operation principle be：By adjusting
AC pressure regulator controls the alternating voltage of AC testing transformer vice-side winding output；
Control the exchange of impulse hunting side testing transformer vice-side winding output high by adjusting impulse hunting side pressure regulator
Pressure, the ac high-voltage of impulse hunting side testing transformer vice-side winding output is converted into direct current height after high voltage silicon rectifier stack rectification
Pressure, described high direct voltage charges for charging capacitor through a protective resistance；When the output of AC testing transformer vice-side winding
Alternating voltage when reaching peak value, pulse signal generator output pulse signal to the former limit of pulse transformer, and then in pulse
The secondary of transformator produces a high-voltage pulse, and this high-voltage pulse promotes controlled discharge sphere gap switch to turn on, now, charging capacitor
Form pulse oscillation circuit with auxiliary induction；And then the peak of alternating voltage is produced at the two ends of dry type hollow shunt reactor sample
Superimposed pulse oscillating voltage at value.
The beneficial effects of the utility model are to control dry type hollow shunt reactor sample by adjusting AC pressure regulator
The peak value of two ends alternating voltage, controls the two ends arteries and veins of dry type hollow shunt reactor sample by adjusting impulse hunting side pressure regulator
Rush the initial value of oscillating voltage, superimposed pulse vibration electricity in the cycle of each alternating voltage is controlled by controlled discharge sphere gap switch
The number of times of pressure, the peak value that can produce alternating voltage is controlled, superimposed pulse oscillating voltage initial value is controlled and each alternating voltage
Cycle in superimposed pulse oscillating voltage the controlled peak value of alternating voltage of number of times at superimposed pulse oscillating voltage.
It is applied to research dry type hollow shunt reactor failure mechanism.
Brief description
Fig. 1 is a kind of circuit diagram of the exchange superimposed pulse Resonant High Voltage hookup described in specific embodiment one；
Fig. 2 is the equivalent circuit diagram that in specific embodiment one, charging capacitor charging process simplifies；
Fig. 3 is the equivalent circuit of the pulse oscillation circuit that the conducting of controlled discharge sphere gap switch is formed in specific embodiment one
Figure；
Fig. 4 is that during controlled discharge sphere gap switch conducting in specific embodiment one, pulse oscillating voltage is applied to dry-type hollow
Equivalent circuit diagram on shunt reactor sample；
Fig. 5 is that in specific embodiment one, alternating voltage is applied to the equivalent circuit on dry type hollow shunt reactor sample
Figure.
Specific embodiment
Specific embodiment one：In conjunction with Fig. 1 to Fig. 5, present embodiment is described, a kind of exchange described in present embodiment is folded
Plus impulse hunting high-potting circuit includes impulse hunting side pressure regulator T1, impulse hunting side testing transformer T2, high voltage silicon rectifier stack D,
Number protective resistance 1, a pulse transformer T3, controlled discharge sphere gap switch G, charging capacitor 2, auxiliary induction 6, AC pressure regulator
T4, AC testing transformer T5, coupled capacitor 3 and No. two protective resistances 4；
Described impulse hunting side pressure regulator T1Two inputs be connected with the zero line of 220V power-frequency voltage and live wire respectively；
Impulse hunting side pressure regulator T1Two outfans respectively with described impulse hunting side testing transformer T2The two ends phase of primary side winding
Even；
Described impulse hunting side testing transformer T2Vice-side winding one end be connected with the negative electrode of high voltage silicon rectifier stack D, pulse is shaken
Swing side testing transformer T2The vice-side winding other end ground connection；One end phase of the anode of high voltage silicon rectifier stack D and a protective resistance 1
Even；The other end of a number protective resistance 1 simultaneously with terminals of controlled discharge sphere gap switch G and one end of charging capacitor 2
It is connected；Another terminals of controlled discharge sphere gap switch G and impulse hunting side testing transformer T2The vice-side winding other end
It is connected；
Described pulse transformer T3The two ends of primary side winding are connected with two outfans of pulse signal generator respectively, arteries and veins
Rush transformator T3One end of vice-side winding is connected with the control end of controlled discharge sphere gap switch G, pulse transformer T3Vice-side winding
The other end and impulse hunting side testing transformer T2The vice-side winding other end be connected；
The other end of described charging capacitor 2 is connected with one end of auxiliary induction 6 and one end of coupled capacitor 3 simultaneously, auxiliary
The other end of inductance 6 and impulse hunting side testing transformer T2The vice-side winding other end be connected；
The other end of coupled capacitor 3 is connected with one end of No. two protective resistances 4, the other end of No. two protective resistances 4 with dry
One end of formula air-core shunt reactor sample 7 is connected, and the other end of dry type hollow shunt reactor sample 7 is tried with impulse hunting side
Test transformator T2The vice-side winding other end be connected；
Described AC pressure regulator T4Two inputs be connected with the zero line of 220V power-frequency voltage and live wire respectively；Exchange
Side pressure regulator T4Two outfans respectively with described AC testing transformer T5The two ends of primary side winding are connected, and AC tries
Test transformator T5The two ends of vice-side winding are connected with the two ends of coupled capacitor 3 respectively.
In the present embodiment, the resistance of a protective resistance 1 is R1, the capacitance of charging capacitor 2 is C1, auxiliary induction 6
Inductance value be L1, the capacitance of coupled capacitor 3 is C2, the resistance of No. two protective resistances 4 is R2, dry type hollow shunt reactor
The capacitance of sample 7 is CX；By adjusting AC pressure regulator T4Control AC testing transformer T5The friendship of vice-side winding output
Stream voltage；By impulse hunting side pressure regulator T1Control impulse hunting side testing transformer T2The ac high-voltage of vice-side winding output,
Impulse hunting side testing transformer T2It is high that the ac high-voltage of vice-side winding output is converted into direct current after high voltage silicon rectifier stack D rectification
Pressure, described high direct voltage charges for charging capacitor 2 through a protective resistance 1, now for the charging process of charging capacitor 2；When
Meet conditionWhen, wherein：ω is the power frequency angular frequency of 220V power-frequency voltage, dry type hollow shunt reactor sample 7
Voltage can ignore and not remember, the simplification circuit equivalent figure of charge circuit is as shown in Figure 2.
As AC testing transformer T5When the alternating voltage of vice-side winding output reaches peak value, pulse signal generator is defeated
Go out pulse signal to pulse transformer T3Former limit, and then in pulse transformer T3Secondary produce a high-voltage pulse, this high pressure
Pulse promotes controlled discharge sphere gap switch G to turn on, and now, charging capacitor 2 both end voltage is UC0, meeting conditionWhen, charging capacitor 2 forms pulse oscillation circuit, the equivalent electric of pulse oscillation circuit with auxiliary induction 6
Road figure as shown in figure 3, now auxiliary induction 6 two ends voltage be uL,Wherein：ω1Shake for pulse
Swing the impulse hunting frequency of circuit, and,UC0The two of charging capacitor 2 when turning on for controlled discharge sphere gap switch G
Terminal voltage, U simultaneouslyC0Also it is the initial value of impulse hunting voltage, t is time variable.
Meet condition at the same timeWithWhen, auxiliary induction 6 and dry-type hollow parallel
Reactor sample 7 constitute relation equivalent circuit diagram as shown in figure 4, now, the arteries and veins at dry type hollow shunt reactor sample 7 two ends
Rushing oscillating voltage is
Meeting conditionWhen, alternating voltage be applied on dry type hollow shunt reactor sample 7 etc.
Effect circuit diagram is as shown in figure 5, when controlled discharge sphere gap switch G does not turn on, meet condition at the same timeWithIn the case of, can obtain the both end voltage of dry type hollow shunt reactor sample 7 under alternating voltage is Wherein：For AC testing transformer T5The peak value of vice-side winding output AC voltage；Controlled put
During electric sphere gap switch G conducting, meeting conditionIn the case of, dry-type hollow parallel electricity under alternating voltage can be obtained
The both end voltage of anti-device sample 7 is
In sum, dry type hollow shunt reactor sample 7 superimposed pulse oscillating voltage at alternating voltage peak is
Specific embodiment two：Present embodiment is to a kind of exchange superimposed pulse vibration described in specific embodiment one
High-potting circuit limits further, in the present embodiment, also includes resitstance voltage divider R0With voltmeter 5；
Described resitstance voltage divider R0Including resistance high-voltage arm RHWith resistance low-voltage arm RL；
Described resistance high-voltage arm RHOne end be connected with one end of charging capacitor 2, resistance high-voltage arm RHThe other end and resistance
Low-voltage arm RLOne end be connected, resistance low-voltage arm RLThe other end ground connection；
The two ends of described voltmeter 5 respectively with resistance low-voltage arm RLTwo ends be connected.
Present embodiment passes through resitstance voltage divider R0Direct measurement can go out the direct current at charging capacitor 2 two ends with voltmeter 5
Voltage, and then conveniently pass through to adjust impulse hunting side pressure regulator T1Control the initial value U of impulse hunting voltageC0.
Specific embodiment three：Present embodiment is to a kind of exchange superimposed pulse vibration described in specific embodiment one
High-potting circuit limits further, in the present embodiment, also includes capacitive divider C0And oscillograph；
Described capacitive divider C0Including capacitor high voltage arm CHWith electric capacity low-voltage arm CL；
Described capacitor high voltage arm CHOne end be connected with one end of No. two protective resistances 4, capacitor high voltage arm CHThe other end with
Electric capacity low-voltage arm CLOne end be connected, electric capacity low-voltage arm CLThe other end ground connection；
Described oscillographic two signal input parts respectively with electric capacity low-voltage arm CLTwo ends be connected.
Present embodiment passes through capacitive divider C0Voltage wave with oscillograph recording dry type hollow shunt reactor sample 7
Shape, and then conveniently pass through to adjust AC pressure regulator T4Control the peak of dry type hollow shunt reactor sample two ends alternating voltage
Value, is also convenient for controlling controlled discharge sphere gap switch by pulse signal generator simultaneously, and then controls the week of each alternating voltage
The number of times of superimposed pulse oscillating voltage in phase.
Claims (3)
1. a kind of exchange superimposed pulse Resonant High Voltage hookup is it is characterised in that include impulse hunting side pressure regulator (T1), arteries and veins
Punching vibration side testing transformer (T2), high voltage silicon rectifier stack (D), protective resistance (1), a pulse transformer (T3), controlled discharge ball gap
Switch (G), charging capacitor (2), auxiliary induction (6), AC pressure regulator (T4), AC testing transformer (T5), coupled capacitor
(3) and No. two protective resistances (4)；
Described impulse hunting side pressure regulator (T1) two inputs be connected with the zero line of 220V power-frequency voltage and live wire respectively；Arteries and veins
Punching vibration side pressure regulator (T1) two outfans respectively with described impulse hunting side testing transformer (T2) primary side winding two ends
It is connected；
Described impulse hunting side testing transformer (T2) vice-side winding one end be connected with the negative electrode of high voltage silicon rectifier stack (D), impulse hunting
Side testing transformer (T2) the vice-side winding other end ground connection；The anode of high voltage silicon rectifier stack (D) and one end of a protective resistance (1)
It is connected；The other end of a number protective resistance (1) terminals and the charging capacitor with controlled discharge sphere gap switch (G) simultaneously
(2) one end is connected；Another terminals of controlled discharge sphere gap switch (G) and impulse hunting side testing transformer (T2) pair
The side winding other end is connected；
Described pulse transformer (T3) two ends of primary side winding are connected with two outfans of pulse signal generator respectively, pulse
Transformator (T3) one end of vice-side winding is connected with the control end of controlled discharge sphere gap switch (G), pulse transformer (T3) secondary around
The other end of group and impulse hunting side testing transformer (T2) the vice-side winding other end be connected；
The other end of described charging capacitor (2) is connected with one end of auxiliary induction (6) and one end of coupled capacitor (3) simultaneously, auxiliary
Help the other end and the impulse hunting side testing transformer (T of inductance (6)2) the vice-side winding other end be connected；
The other end of coupled capacitor (3) is connected with one end of No. two protective resistances (4), the other end of No. two protective resistances (4) with
One end of dry type hollow shunt reactor sample (7) is connected, and the other end of dry type hollow shunt reactor sample (7) is shaken with pulse
Swing side testing transformer (T2) the vice-side winding other end be connected；
Described AC pressure regulator (T4) two inputs be connected with the zero line of 220V power-frequency voltage and live wire respectively；AC
Pressure regulator (T4) two outfans respectively with described AC testing transformer (T5) primary side winding two ends be connected, AC
Testing transformer (T5) two ends of vice-side winding are connected with the two ends of coupled capacitor (3) respectively.
2. a kind of exchange superimposed pulse Resonant High Voltage hookup according to claim 1 is it is characterised in that also include electricity
Resistance potentiometer (R0) and voltmeter (5)；
Described resitstance voltage divider (R0) include resistance high-voltage arm (RH) and resistance low-voltage arm (RL)；
Described resistance high-voltage arm (RH) one end be connected with one end of charging capacitor (2), resistance high-voltage arm (RH) the other end with electricity
Resistance low-voltage arm (RL) one end be connected, resistance low-voltage arm (RL) the other end ground connection；
The two ends of described voltmeter (5) respectively with resistance low-voltage arm (RL) two ends be connected.
3. a kind of exchange superimposed pulse Resonant High Voltage hookup according to claim 2 is it is characterised in that also include electricity
Hold potentiometer (C0) and oscillograph；
Described capacitive divider (C0) include capacitor high voltage arm (CH) and electric capacity low-voltage arm (CL)；
Described capacitor high voltage arm (CH) one end be connected with one end of No. two protective resistances (4), capacitor high voltage arm (CH) the other end
With electric capacity low-voltage arm (CL) one end be connected, electric capacity low-voltage arm (CL) the other end ground connection；
Described oscillographic two signal input parts respectively with electric capacity low-voltage arm (CL) two ends be connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621063335.9U CN206002646U (en) | 2016-09-19 | 2016-09-19 | A kind of exchange superimposed pulse Resonant High Voltage hookup |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621063335.9U CN206002646U (en) | 2016-09-19 | 2016-09-19 | A kind of exchange superimposed pulse Resonant High Voltage hookup |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121626A (en) * | 2017-05-27 | 2017-09-01 | 哈尔滨理工大学 | A kind of production method of peak values of ac superimposed pulse Resonant High Voltage |
| CN111474452A (en) * | 2020-05-08 | 2020-07-31 | 哈尔滨理工大学 | Interturn overvoltage detection device for dry-type iron core reactor |
| CN113271030A (en) * | 2021-05-25 | 2021-08-17 | 中国工程物理研究院机械制造工艺研究所 | Pulse generation control method for pulse power supply |
-
2016
- 2016-09-19 CN CN201621063335.9U patent/CN206002646U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121626A (en) * | 2017-05-27 | 2017-09-01 | 哈尔滨理工大学 | A kind of production method of peak values of ac superimposed pulse Resonant High Voltage |
| CN107121626B (en) * | 2017-05-27 | 2019-10-25 | 哈尔滨理工大学 | A kind of production method of peak values of ac superimposed pulse Resonant High Voltage |
| CN111474452A (en) * | 2020-05-08 | 2020-07-31 | 哈尔滨理工大学 | Interturn overvoltage detection device for dry-type iron core reactor |
| CN113271030A (en) * | 2021-05-25 | 2021-08-17 | 中国工程物理研究院机械制造工艺研究所 | Pulse generation control method for pulse power supply |
| CN113271030B (en) * | 2021-05-25 | 2022-11-29 | 中国工程物理研究院机械制造工艺研究所 | Pulse generation control method for pulse power supply |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170919 |
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| CF01 | Termination of patent right due to non-payment of annual fee |