CN104237759A - Discharge intensity detecting system and method for power transmission and transformation device - Google Patents
Discharge intensity detecting system and method for power transmission and transformation device Download PDFInfo
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- CN104237759A CN104237759A CN201410567056.5A CN201410567056A CN104237759A CN 104237759 A CN104237759 A CN 104237759A CN 201410567056 A CN201410567056 A CN 201410567056A CN 104237759 A CN104237759 A CN 104237759A
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Abstract
The invention provides a discharge intensity detecting system and method for a power transmission and transformation device. The discharge intensity detecting system comprises a discharging device, an impulse voltage generator, a voltage generator, an ultraviolet discharge detecting instrument, an oscilloscope and a processor, wherein the discharging device is used for simulating the discharging; the impulse voltage generator is used for outputting impulse voltage of different quantity of electric charge to the discharging device and enabling the discharging device to discharge; the voltage generator is used for outputting different voltages to the discharging device and enabling the discharging device to discharge at different discharging intensity; the ultraviolet discharge detecting instrument is used for detecting the quantity of ultraviolet photons of the discharging device under different discharge intensity and the quantity of ultraviolet photons of the power transmission and transformation device under discharging as well as outputting the two quantity; the oscilloscope is used for acquiring the impulse voltage waveform of the discharging device under discharging device and the discharge impulse voltage waveform of the voltage output by the voltage generator when the discharging device discharges; the processor is used for determining the discharge intensity and discharge quantity of the power transmission and transformation device. With the adoption of the system and method, the discharge quantity and the discharge intensity of the power transmission and transformation device can be accurately quantitatively detected, so as to provide objective judgment basis for a technical person as well as guide the technical person to accurately analyze the running state of the power transmission and transformation device.
Description
Technical field
The present invention relates to the discharge examination field of power equipment, particularly relate to a kind of power transmission and transforming equipment strength of discharge Analytical system and assay method.
Background technology
Power transmission and transforming equipment is under the effect in highfield and magnetic field, to electric discharge phenomena be there are in the local of power transmission and transforming equipment, comprise corona discharge, arc discharge and spark discharge, have a strong impact on the security of operation of power transmission and transforming equipment, and the stable operation of electric system is had an immense impact on, such as corona noise, electromagnetic interference (EMI) etc., therefore, for ensureing the safe operation of electrical network and power transmission and transforming equipment, need to detect the electric discharge of power transmission and transforming equipment.
In prior art, electric discharge for power transmission and transforming equipment is detected the electric discharge ultraviolet light continuous print summit of high voltage alive equipment by blind type ultraviolet discharge detector, by calculating ultraviolet light subnumber, and the environmental parameter of combination detection and measuring distance are analyzed the discharge condition of power transmission and transforming equipment and trend, but above-mentioned method and apparatus cannot to the discharge capacity of power transmission and transforming equipment, strength of discharge and electric discharge type carry out measures of quantization, technician judges the discharge condition of power transmission and transforming equipment only by the analysis of perception, often occur that erroneous judgement causes flase drop, undetected, thus cause power transmission and transforming equipment to have an accident.
Therefore, need to propose a kind of new measuring system and measuring method, accurate quantification mensuration can be carried out to power transmission and transforming equipment strength of discharge, for technician provides objective basis for estimation, the running status of guidance technology personnel to power transmission and transforming equipment is analyzed accurately, thus ensures that power transmission and transforming equipment and electric system run sustainedly and stably.
Summary of the invention
In view of this, the object of this invention is to provide a kind of power transmission and transforming equipment strength of discharge Analytical system, accurate quantification mensuration can be carried out to power transmission and transforming equipment strength of discharge, for technician provides objective basis for estimation, the running status of guidance technology personnel to power transmission and transforming equipment is analyzed accurately, thus ensures that power transmission and transforming equipment and electric system run sustainedly and stably.
A kind of power transmission and transforming equipment strength of discharge Analytical system provided by the invention, comprising:
Electric discharge device, for simulating electric discharge;
Impulse voltage generator, for exporting the pulse voltage of the different quantity of electric charge and making electric discharge device discharge to electric discharge device;
Voltage generator, for exporting different voltage to electric discharge device and making electric discharge device carry out the electric discharge of different strength of discharge, all pulse voltages that when electric discharge device is discharged, discharge pulse voltage and impulse voltage generator produce are equal one by one;
Ultraviolet discharge detector, for detecting the ultraviolet photon quantity of the ultraviolet photon quantity of electric discharge device under different strength of discharge and power transmission and transforming equipment electric discharge and exporting;
Oscillograph, the discharge pulse voltage waveform when voltage for being captured in acquisition pulse voltage waveform and voltage generator output when needle board device discharges makes electric discharge device discharge also exports;
Processor, the ultraviolet photon quantity that waveform and ultraviolet discharge detector for obtaining oscillograph collection export, and the discharge capacity under different for electric discharge device strength of discharge and ultraviolet photon quantity are carried out matching forming curves; Then ultraviolet photon quantity and the discharge capacity of electric discharge device under different strength of discharge and ultraviolet photon quantity discharged by power transmission and transforming equipment contrasts, and judges strength of discharge and the discharge capacity of power transmission and transforming equipment.
Further, described ultraviolet discharge detector, when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, keeps with described electric discharge device the distance that sets; Or
Described ultraviolet discharge detector, when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, is measured ultraviolet photon quantity with described electric discharge device and records this distance under different distance.
Further, described electric discharge device is needle plate electric discharge device, comprise sheet metal and metal needle, described metal needle to be arranged at above sheet metal in the mode in the plate face of vertical and sheet metal and to have discharging gap between the lower end of metal needle and sheet metal, described sheet metal ground connection.
Further, described needle plate electric discharge device also comprises insulcrete and insulation blanket stud, described insulcrete is for fixedly mounting described metal needle and described insulcrete is arranged at the top of sheet metal in the mode being parallel to sheet metal, and described insulcrete is connected by insulation blanket stud with between sheet metal.
Further, when voltage generator makes electric discharge device discharge under varying strength to electric discharge device output voltage, and judge electric discharge type according to strength of discharge, wherein: strength of discharge is corresponding with the magnitude of voltage of voltage generator, electric discharge type comprises corona discharge, spark discharge and arc discharge.
Further, described processor judges the carrying out carrying out electric discharge type and discharge capacity of power transmission and transforming equipment as follows:
A. pulse voltage value when the different discharge capacities that the impulse voltage generator that processor acquisition oscillograph is monitored exports make electric discharge device discharge, and pulse voltage and discharge capacity matching are generated discharge capacity-voltage curve.
The ultraviolet light subnumber of the different strength of discharges that discharge pulse magnitude of voltage when the different voltages that the voltage generator that b. processor acquisition oscillograph detects exports make electric discharge device discharge and acquisition ultraviolet discharge detector gather, and magnitude of voltage and the matching of ultraviolet light subnumber are generated ultraviolet light subnumber-voltage curve.
C. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-voltage curve, makes the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fits to discharge capacity-ultraviolet photon number curve.
D. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon curve and ultraviolet light subnumber-voltage curve are contrasted, determines discharge capacity and the strength of discharge of power transmission and transforming equipment.
Correspondingly, the invention provides a kind of power transmission and transforming equipment strength of discharge assay method, comprise the steps:
S1. the pulse voltage that gating pulse voltage generator exports different discharge capacity to needle plate electric discharge device makes needle plate electric discharge device discharge, and detect pulse voltage value waveform by oscillograph, then control processor obtains pulse voltage waveform and generates discharge capacity-voltage curve with discharge capacity matching;
S2. control voltage generator exports different voltage to needle plate electric discharge device and makes needle plate electric discharge device carry out the electric discharge of varying strength, and control the electric discharge ultraviolet light subnumber that ultraviolet discharge detector detects needle plate electric discharge device, and oscillograph detects the waveform of the discharge pulse voltage of needle plate electric discharge device, processor obtains voltage waveform and EUV discharge photon number that oscillograph exports and matching generates ultraviolet light subnumber-voltage curve;
S3. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-voltage curve, makes the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fits to discharge capacity-ultraviolet photon number curve;
S4. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon number curve and ultraviolet light subnumber-voltage curve are contrasted, determines discharge capacity and the strength of discharge of power transmission and transforming equipment.
Further, the spacing of described ultraviolet discharge detector and needle plate electric discharge device equals the distance between ultraviolet discharge detector and power transmission and transforming equipment; Or
Described ultraviolet discharge detector detects the ultraviolet light subnumber during electric discharge of needle plate electric discharge device under different distance conditions; Ultraviolet discharge detector sets detecting distance with power transmission and transforming equipment according to actual needs, then by corresponding for the ultraviolet light subnumber under the different distance condition of the ultraviolet light subnumber of this distance and ultraviolet discharge detector and needle plate electric discharge device, determine that ultraviolet light subnumber immediate discharge capacity-ultraviolet photon number curve contrasts.
Beneficial effect of the present invention: power transmission and transforming equipment strength of discharge Analytical system provided by the invention and assay method, accurate quantification mensuration can be carried out to the strength of discharge of power transmission and transforming equipment, for technician provides objective basis for estimation, the running status of guidance technology personnel to power transmission and transforming equipment is analyzed accurately, thus ensures that power transmission and transforming equipment and electric system run sustainedly and stably.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is theory diagram of the present invention.
Fig. 2 is the discharging model figure of pulse voltage of the present invention.
Fig. 3 is the discharging model figure of voltage generator voltage of the present invention.
Fig. 4 is needle plate electric discharge device structural representation of the present invention.
Fig. 5 is method flow diagram of the present invention.
Embodiment
Fig. 1 is theory diagram of the present invention, the discharging model figure of Fig. 2 to be the discharging model figure of pulse voltage of the present invention, Fig. 3 be voltage generator voltage of the present invention; Fig. 4 is needle plate electric discharge device structural representation of the present invention, and Fig. 5 is method flow diagram of the present invention, and the R in Fig. 1 to Fig. 3 is for detecting impedance; in Fig. 2 and Fig. 3; C is coupling mechanism, and in Fig. 3, F is voltage divider; R1 is protective resistance; as shown in the figure, a kind of power transmission and transforming equipment strength of discharge Analytical system provided by the invention, comprising:
Electric discharge device, for simulating electric discharge, in order to carry out accurate calibration discharge capacity-ultraviolet photon number curve in measuring process, the present invention preferentially adopts needle plate electric discharge device;
Impulse voltage generator, for exporting the pulse voltage of the different quantity of electric charge and making electric discharge device discharge to electric discharge device;
Voltage generator, for exporting different voltage to electric discharge device and making electric discharge device carry out the electric discharge of different strength of discharge, wherein, it is not pulse voltage that voltage generator exports, and during voltage generator work, impulse voltage generator does not work, during impulse voltage generator work, voltage generator does not work, voltage generator exports different voltage, all pulse voltages that when electric discharge device is discharged, discharge pulse voltage and impulse voltage generator produce are equal one by one, and record the ultraviolet light subnumber corresponding to each discharge pulse voltage;
Ultraviolet discharge detector, for detecting the ultraviolet photon quantity of the ultraviolet photon quantity of electric discharge device under different strength of discharge and power transmission and transforming equipment electric discharge and exporting; Wherein, ultraviolet discharge detector is ultraviolet imager;
Oscillograph, the discharge pulse voltage waveform when voltage for being captured in acquisition pulse voltage waveform and voltage generator output when needle board device discharges makes electric discharge device discharge also exports;
Processor, the ultraviolet photon quantity that waveform and ultraviolet discharge detector for obtaining oscillograph collection export, and the discharge capacity under different for electric discharge device strength of discharge and ultraviolet photon quantity are carried out matching forming curves; Then ultraviolet photon quantity and the discharge capacity of electric discharge device under different strength of discharge and ultraviolet photon quantity discharged by power transmission and transforming equipment contrasts, and judges strength of discharge and the discharge capacity of power transmission and transforming equipment;
Wherein processor, adopts existing equipment, such as existing single-chip microcomputer.
In the present embodiment, described ultraviolet discharge detector, when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, keeps with described electric discharge device the distance that sets; That is ultraviolet discharge detector measure electric discharge device electric discharge and power transmission and transforming equipment electric discharge time ultraviolet light subnumber time, distance between ultraviolet discharge detector and electric discharge device should equal the distance between ultraviolet discharge detector and power transmission and transforming equipment, this distance is setpoint distance, set by practical measurement requirement, to ensure the accuracy of the discharge examination to power transmission and transforming equipment;
Or described ultraviolet discharge detector is when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, under different distance, measure ultraviolet photon quantity with described electric discharge device and record this distance, that is: ultraviolet discharge detector measures the ultraviolet light subnumber of electric discharge device under some strength of discharges under can determining distance at one, then measuring distance is changed, and then the ultraviolet light subnumber measured under this strength of discharge when electric discharge device discharges, the ultraviolet light subnumber of the different measuring distance under same strength of discharge can be formed like this, and then change strength of discharge, the ultraviolet light subnumber of the different distance changing strength of discharge is measured according to step above, then multiple strength of discharge (discharge pulse voltage)-ultraviolet photon number curve can be generated, this mode can solve in scene, due to the singularity of power transmission and transforming equipment, some equipment can not be measured a specific distance, adaptability of the present invention can be strengthened, so by above-mentioned mode, finally can generate many discharge capacity-ultraviolet photon number curves demarcated, then detect that the ultraviolet light subnumber that power transmission and transforming equipment discharges and discharge capacity-ultraviolet photon number curve contrast, the judgement of discharge capacity and strength of discharge is carried out with the curve that the ultraviolet light subnumber on the ultraviolet light subnumber of power transmission and transforming equipment electric discharge and calibration curve is the most close.
In the present embodiment, described electric discharge device is needle plate electric discharge device, comprise sheet metal and metal needle, described metal needle to be arranged at above sheet metal in the mode in the plate face of vertical and sheet metal and to have discharging gap between the lower end of metal needle and sheet metal, described sheet metal ground connection, described needle plate electric discharge device also comprises insulcrete and insulation blanket stud, described insulcrete is for fixedly mounting described metal needle and described insulcrete is arranged at the top of sheet metal in the mode being parallel to sheet metal, described insulcrete is connected by insulation blanket stud with between sheet metal, pass through said structure, discharge test can be simulated easily, and finally draw and demarcate discharge capacity-ultraviolet photon number curve accurately, and can adjust discharging gap as required, both the adjustment of discharging gap can have been completed by adjustment insulation blanket stud.
In the present embodiment, when voltage generator makes electric discharge device discharge under varying strength to electric discharge device output voltage, that is: certain magnitude of voltage that voltage generator exports is uniquely corresponding with a certain strength of discharge, and judge electric discharge type according to strength of discharge, wherein: strength of discharge is corresponding with the magnitude of voltage of voltage generator, electric discharge type comprises corona discharge, spark discharge and arc discharge; Certainly, this detection assay system also comprises voltage divider F, protective resistance R1, detects impedance R and coupling mechanism C, and as shown in Figures 2 and 3, in figure 3, voltage divider F act as the sparking voltage measured when needle plate electric discharge device discharges to its concrete annexation.
In the present embodiment, described processor judges the carrying out carrying out electric discharge type and discharge capacity of power transmission and transforming equipment as follows:
A. pulse voltage value when the different discharge capacities that the impulse voltage generator that processor acquisition oscillograph is monitored exports make electric discharge device discharge, and pulse voltage and discharge capacity matching are generated discharge capacity-voltage curve.
The ultraviolet light subnumber of the different strength of discharges that discharge pulse magnitude of voltage when the different voltages that the voltage generator that b. processor acquisition oscillograph detects exports make electric discharge device discharge and acquisition ultraviolet discharge detector gather, and magnitude of voltage and the matching of ultraviolet light subnumber are generated ultraviolet light subnumber-voltage curve.
C. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-discharge pulse voltage curve, make the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fit to discharge capacity-ultraviolet photon number curve, certainly, the point only having the voltage peak of impulse voltage generator equal with the discharge pulse voltage peak of electric discharge device just can carry out corresponding matching, guarantees the accuracy measured.
D. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon number curve and ultraviolet light subnumber-voltage curve are contrasted, determines discharge capacity and the strength of discharge of power transmission and transforming equipment.
Correspondingly, present invention also offers a kind of power transmission and transforming equipment strength of discharge assay method, comprise the steps:
S1. the pulse voltage that gating pulse voltage generator exports different discharge capacity to needle plate electric discharge device makes needle plate electric discharge device discharge, and detect pulse voltage value waveform by oscillograph, then control processor obtains pulse voltage waveform and generates discharge capacity-voltage curve with discharge capacity matching;
S2. control voltage generator exports different voltage to needle plate electric discharge device and makes needle plate electric discharge device carry out the electric discharge of varying strength, and control the electric discharge ultraviolet light subnumber that ultraviolet discharge detector detects needle plate electric discharge device, and oscillograph detects the waveform of the discharge pulse voltage of needle plate electric discharge device, processor obtains voltage waveform and EUV discharge photon number that oscillograph exports and matching generates ultraviolet light subnumber-voltage curve;
S3. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-voltage curve, makes the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fits to discharge capacity-ultraviolet photon number curve;
S4. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon number curve and ultraviolet light subnumber-voltage curve are contrasted, determine discharge capacity and the strength of discharge of power transmission and transforming equipment, due to the determination of strength of discharge, also just electric discharge type can be determined.
In the present embodiment, the spacing of described ultraviolet discharge detector and needle plate electric discharge device equals the distance between ultraviolet discharge detector and power transmission and transforming equipment; Or
Described ultraviolet discharge detector detects the ultraviolet light subnumber during electric discharge of needle plate electric discharge device under different distance conditions; Ultraviolet discharge detector sets detecting distance with power transmission and transforming equipment according to actual needs, then by corresponding for the ultraviolet light subnumber under the different distance condition of the ultraviolet light subnumber of this distance and ultraviolet discharge detector and needle plate electric discharge device, determine that ultraviolet light subnumber immediate discharge capacity-ultraviolet photon number curve contrasts.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a power transmission and transforming equipment strength of discharge Analytical system, is characterized in that: comprising:
Electric discharge device, for simulating electric discharge;
Impulse voltage generator, for exporting the pulse voltage of the different quantity of electric charge and making electric discharge device discharge to electric discharge device;
Voltage generator, for exporting different voltage to electric discharge device and making electric discharge device carry out the electric discharge of different strength of discharge, all pulse voltages that when electric discharge device is discharged, discharge pulse voltage and impulse voltage generator produce are equal one by one;
Ultraviolet discharge detector, for detecting the ultraviolet photon quantity of the ultraviolet photon quantity of electric discharge device under different strength of discharge and power transmission and transforming equipment electric discharge and exporting;
Oscillograph, the discharge pulse voltage waveform when voltage for being captured in acquisition pulse voltage waveform and voltage generator output when electric discharge device discharges makes electric discharge device discharge also exports;
Processor, the ultraviolet photon quantity that waveform and ultraviolet discharge detector for obtaining oscillograph collection export, and the discharge capacity under different for electric discharge device strength of discharge and ultraviolet photon quantity are carried out matching forming curves; Then ultraviolet photon quantity and the discharge capacity of electric discharge device under different strength of discharge and ultraviolet photon quantity discharged by power transmission and transforming equipment contrasts, and judges strength of discharge and the discharge capacity of power transmission and transforming equipment.
2. power transmission and transforming equipment strength of discharge Analytical system according to claim 1, is characterized in that: described ultraviolet discharge detector, when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, keeps with described electric discharge device the distance that sets; Or
Described ultraviolet discharge detector, when measuring the ultraviolet photon quantity of electric discharge device under different strength of discharge, is measured ultraviolet photon quantity with described electric discharge device and records this distance under different distance.
3. power transmission and transforming equipment strength of discharge Analytical system according to claim 1, it is characterized in that: described electric discharge device is needle plate electric discharge device, comprise sheet metal and metal needle, described metal needle to be arranged at above sheet metal in the mode in the plate face of vertical and sheet metal and to have discharging gap between the lower end of metal needle and sheet metal, described sheet metal ground connection.
4. power transmission and transforming equipment strength of discharge Analytical system according to claim 3, it is characterized in that: described needle plate electric discharge device also comprises insulcrete and insulation blanket stud, described insulcrete is for fixedly mounting described metal needle and described insulcrete is arranged at the top of sheet metal in the mode being parallel to sheet metal, and described insulcrete is connected by insulation blanket stud with between sheet metal.
5. power transmission and transforming equipment strength of discharge Analytical system according to claim 2, it is characterized in that: when voltage generator makes electric discharge device discharge under varying strength to electric discharge device output voltage, and judge electric discharge type according to strength of discharge, wherein: strength of discharge is corresponding with the magnitude of voltage of voltage generator, electric discharge type comprises corona discharge, spark discharge and arc discharge.
6. power transmission and transforming equipment strength of discharge Analytical system according to claim 5, is characterized in that: described processor judges the carrying out carrying out electric discharge type and discharge capacity of power transmission and transforming equipment as follows:
A. pulse voltage value when the different discharge capacities that the impulse voltage generator that processor acquisition oscillograph is monitored exports make electric discharge device discharge, and pulse voltage and discharge capacity matching are generated discharge capacity-voltage curve.
The ultraviolet light subnumber of the different strength of discharges that discharge pulse magnitude of voltage when the different voltages that the voltage generator that b. processor acquisition oscillograph detects exports make electric discharge device discharge and acquisition ultraviolet discharge detector gather, and magnitude of voltage and the matching of ultraviolet light subnumber are generated ultraviolet light subnumber-voltage curve.
C. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-voltage curve, makes the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fits to discharge capacity-ultraviolet photon number curve.
D. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon number curve and ultraviolet light subnumber-voltage curve are contrasted, determines discharge capacity and the strength of discharge of power transmission and transforming equipment.
7. a power transmission and transforming equipment strength of discharge assay method, is characterized in that: comprise the steps:
S1. the pulse voltage that gating pulse voltage generator exports different discharge capacity to needle plate electric discharge device makes needle plate electric discharge device discharge, and detect pulse voltage value waveform by oscillograph, then control processor obtains pulse voltage waveform and generates discharge capacity-voltage curve with discharge capacity matching;
S2. control voltage generator exports different voltage to needle plate electric discharge device and makes needle plate electric discharge device carry out the electric discharge of varying strength, and control the electric discharge ultraviolet light subnumber that ultraviolet discharge detector detects needle plate electric discharge device, and oscillograph detects the waveform of the discharge pulse voltage of needle plate electric discharge device, processor obtains voltage waveform and EUV discharge photon number that oscillograph exports and matching generates ultraviolet light subnumber-voltage curve;
S3. processor carries out matching according to discharge capacity-voltage curve and ultraviolet light subnumber-voltage curve, makes the discharge capacity of identical voltage corresponding with ultraviolet light subnumber and fits to discharge capacity-ultraviolet photon number curve;
S4. processor obtains the ultraviolet light subnumber of the power transmission and transforming equipment that ultraviolet discharge detector gathers, and ultraviolet light subnumber and discharge capacity-ultraviolet photon number curve and ultraviolet light subnumber-voltage curve are contrasted, determines discharge capacity and the strength of discharge of power transmission and transforming equipment.
8. power transmission and transforming equipment strength of discharge assay method according to claim 7, is characterized in that: the spacing of described ultraviolet discharge detector and needle plate electric discharge device equals the distance between ultraviolet discharge detector and power transmission and transforming equipment; Or
Described ultraviolet discharge detector detects the ultraviolet light subnumber during electric discharge of needle plate electric discharge device under different distance conditions; Ultraviolet discharge detector sets detecting distance with power transmission and transforming equipment according to actual needs, then by corresponding for the ultraviolet light subnumber under the different distance condition of the ultraviolet light subnumber of this distance and ultraviolet discharge detector and needle plate electric discharge device, determine that ultraviolet light subnumber immediate discharge capacity-ultraviolet photon number curve contrasts.
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| CN105356412A (en) * | 2015-12-09 | 2016-02-24 | 中国电子科技集团公司第四十一研究所 | Abnormal discharge protection device and protection method thereof |
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| CN111983401A (en) * | 2020-08-17 | 2020-11-24 | 红相股份有限公司 | Method and device for obtaining equivalent relation curve of discharge capacity and signal amplitude |
| CN112255512A (en) * | 2020-10-10 | 2021-01-22 | 福州润森电气自动化有限公司 | Solar blind ultraviolet imaging device with laser ranging function and photon counting method |
| CN112557836A (en) * | 2020-11-13 | 2021-03-26 | 北京电子工程总体研究所 | High-voltage transmission line discharge type identification method |
| CN112557836B (en) * | 2020-11-13 | 2022-09-23 | 北京电子工程总体研究所 | High-voltage transmission line discharge type identification method |
| CN113238131A (en) * | 2021-07-13 | 2021-08-10 | 北方夜视科技(南京)研究院有限公司 | Insulator corona discharge state evaluation method based on deep learning |
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