128 results about "Abnormal discharge" patented technology

The invention relates to the technical field of equipment maintenance, in particular to a distribution box remote diagnosis and maintenance system which comprises a voltage deviation detection module, a node hot stacking identification module, a channel stability classification module, a contact aging trend evaluation module and a period adjustment trigger module. According to the method, peak value change of effective voltage in each channel period in the distribution box is collected and compared with a preset criterion so as to accurately identify an abnormal discharge unit and accurately position a potential risk channel, and the change rate of equivalent series capacitance, contact conductance and contact resistance of a node is continuously sampled in a non-power-on state so as to accurately identify the potential risk channel. According to the method, multi-parameter same-trend change characteristics are determined, the contact aging process is accurately evaluated by integrating the parameter trend, the node trend and the maintenance plan period remaining time are subjected to cross comparison, the maintenance task advance opportunity is automatically judged, the maintenance plan is actively adjusted, the node fault missing detection risk is effectively reduced, and the maintenance timeliness and accuracy are remarkably improved.

The invention discloses an oil-immersed transformer active defense method and system based on pulse current characteristics. The acquisition device is used for acquiring output signals of high-frequency pulse current sensors mounted at a high-voltage bushing end screen grounding position, a high-voltage bushing position and an iron core grounding position to obtain digital pulse current signals; whether active defense is started or not is judged according to whether the instantaneous value of the pulse current signal at the iron core grounding position reaches a protection starting threshold or not; judging whether the current pulse cluster is a discharge pulse cluster with abnormal internal discharge or not based on the three groups of pulse current signal characteristics; and judging whether protection acts or not according to the number of abnormal discharge pulse clusters in a set period. According to the method, serious partial discharge in the large oil-immersed transformer can be identified, protection measures are actively taken, and the situation that serious discharge defects are further developed into arc breakdown faults is effectively avoided.

The invention discloses a process chamber, an upper electrode device thereof and semiconductor process equipment. Wherein the upper electrode device comprises a radio frequency coil (11) and an adjustable capacitor (12), the radio frequency coil (11) is used for being wound outside a shielding cylinder (70) of the process chamber, and the shielding cylinder (70) is used for being arranged outside a plasma generation cavity (20) of the process chamber in a sleeving mode; the adjustable capacitor (12) is connected in series with the radio frequency coil (11), and the adjustable capacitor (12) is used for being adjusted to different capacitance values in an ignition stage and a reaction stage of the process chamber. According to the scheme, the problems of ignition difficulty and bombardment of plasma on the dielectric window can be solved, and meanwhile the problem that abnormal discharge is likely to be caused by the fact that the radio frequency coil adopts a lifting structure can be solved.

The invention relates to the technical field of power equipment monitoring, and discloses an abnormal discharge electric field feature extraction method. The method comprises the following steps: standardizing and normalizing data acquired from a multi-channel electric field sensor array of a transformer substation to generate a standardized data stream; performing wavelet decomposition, adaptive threshold noise reduction and reconstruction on the basis of the stream to obtain a denoised signal; time domain statistics and frequency domain energy spectrum analysis are carried out on the signals, features are fused, and a joint feature vector is constructed; training a convolutional neural network classifier based on the vector; and updating a dynamic threshold rule according to the classifier output probability, and finally realizing real-time early warning and model feedback through GPU parallel computing. According to the method, the signal-to-noise ratio and the feature expression capability of the abnormal discharge signal can be effectively improved, and the detection accuracy, the real-time performance and the self-adaptive capability of the system are enhanced.

The invention provides a GIS flashover fault risk assessment method and device, and belongs to the technical field of electric power engineering. The method comprises the steps that the defect type of the GIS flashover fault, the potential of a region where the GIS flashover fault is located and the scale magnitude of the GIS flashover fault are acquired; determining the defect form of the GIS flashover fault according to the defect type, the regional potential and the scale magnitude; determining at least two defect quantitative indexes of the GIS flashover fault according to the flashover evolution characteristics of the defect form, the physical process of abnormal discharge and the interface characteristics; obtaining values of at least two defect quantitative indexes corresponding to the defect form through a preset database; and fusing the values of the at least two defect quantitative indexes of the GIS flashover fault to obtain a risk assessment result of the GIS flashover fault. According to the method provided by the invention, risk assessment can be carried out on the GIS flashover fault more accurately.

An X-ray generation apparatus includes an X-ray generation tube. The tube includes an insulating tube with a first opening end and a second opening end, a cathode arranged to close the first opening end of the insulating tube and including an electron emitting portion, and an anode arranged to close the second opening end and including a target that generates X-rays when electrons from the electron emitting portion collide; and an accommodating container configured to accommodate the X-ray generation tube, wherein the accommodating container has a third opening end, and the anode is arranged to close the third opening end, the accommodating container is filled with an insulating liquid to contact a part of the anode, and at least a part of an outer surface of the insulating tube is surrounded by a member so as to reduce abnormal discharge between the cathode and the anode via the insulating tube.

A process chamber and an upper electrode device thereof, and semiconductor process equipment. The upper electrode device (10) comprises a radio frequency coil (11) and an adjustable capacitor. The radio frequency coil (11) is wound outside a tubular shield (70) of the process chamber, and the tubular shield (70) is sleeved outside a plasma generation chamber of the process chamber. The adjustable capacitor is connected in series to the radio frequency coil (11), and the adjustable capacitor is configured to be adjusted to different capacitance values during an ignition phase and a reaction phase in the process chamber. The described solution can solve the problems of difficult ignition and plasma bombardment to dielectric windows, and can also mitigate the problem of abnormal discharge being liable to occur due to using lifting structures for radio frequency coils (11).

The invention discloses a three-dimensional visual transformer substation equipment local abnormal discharge positioning method and a three-dimensional visual transformer substation equipment local abnormal discharge positioning system, and relates to the technical field of discharge positioning. Performing Hanning window processing and discrete Fourier transform to obtain a power spectrum, defining a working band, calculating a power spectrum mean value and a cross-channel spectrum value to determine a free spectrum interval, and generating a comb line center set; calculating a parasitic leakage index, and dividing the broadband energy by the index to obtain equalized broadband energy; based on this, a partial discharge space coordinate is calculated by combining sensor installation parameters, and finally, a device three-dimensional model is associated to realize three-dimensional visualization of a positioning result; according to the scheme, the interference of parasitic resonance on positioning is eliminated, the comparability of amplitude and distance attenuation is recovered, the positioning accuracy is improved, three-dimensional visualization is convenient for operation and maintenance personnel to quickly identify a discharge part, and the safe operation of substation equipment is ensured.

The invention relates to the technical field of power system state monitoring, and discloses an insulator defect detection method and device and a storage medium, and the method comprises the steps: collecting the leakage current of an insulator, and constructing a polarity conduction screening model through power frequency phase information, so as to generate a composite current sequence which highlights the polarization attribute of an interface; analyzing the nonlinear degree of the attenuation rate of the sequence drifting along with evolution time in a multi-stage diffusion evolution time domain, and generating an interface electrochemical mass transfer composite index; utilizing the index to invert and construct an interface polarization background reference and stripping the interface polarization background reference from the composite current sequence so as to extract an abnormal discharge pulse residual error; and finally, quantizing the pulse form distortion degree of the residual error, and performing suppression normalization operation on the distortion degree by using the index to output a judgment result. According to the invention, the interference of the interface mass transfer process is effectively eliminated, and the specific detection of the pollution flashover hidden danger is realized.

The present application discloses a fault identification and early warning method and system for a power transmission line, the method comprising: receiving a fault flashover signal, determining the occurrence area of the fault flashover signal, and obtaining a target image; determining whether there is abnormal discharge in the transmission line in the occurrence area; if so, performing image recognition to obtain a fault source to be tested; obtaining the inclination of the tower in the occurrence area and the electromagnetic field and radar changes; determining the movement path of the current fault source, determining the fault source category through image capture, and determining the target fault source; obtaining meteorological data through micro-meteorological sensors and network meteorological weather, and obtaining the future and real-time dancing amplitude and dancing frequency of the transmission line; combining the dancing amplitude, dancing frequency, tree obstacles, super-high engineering vehicles, floating objects, and lightning strikes, which are greater than the warning value, starting image capture to determine the target probability and image of the target fault source causing a secondary fault on the transmission line, determining the high-risk interval segment, and sending the warning picture and video to the background in real time.

The invention relates to a rapid arc fault detection device and method for a photovoltaic power station. The device comprises a power station data acquisition module for acquiring circuit topology data and electric signals; the arc fault identification module is used for identifying an arc fault; the fault area positioning module is used for comparing and analyzing the electric signals according to circuit topology data and positioning an arc fault area; the abnormal discharge mode extraction module is used for extracting an abnormal discharge mode in allusion to the arc fault area and in combination with the electric signal; the fault evolution path determination module is used for determining a potential fault evolution path based on the abnormal discharge mode; and the arc fault alarm module is used for integrating the abnormal discharge mode and the potential fault evolution path and generating an arc fault alarm. By adopting the device, rapid identification, positioning and early warning of arc faults can be realized through cooperation of multiple modules, and the safety and reliability of a photovoltaic power station are improved.

The invention relates to the technical field of power equipment state monitoring, and discloses a switch cabinet partial discharge detection method, which comprises the following steps: synchronously collecting multi-source heterogeneous signals generated by partial discharge through a multi-sensor array, and carrying out preprocessing and feature extraction to obtain a multi-modal feature vector; inputting the multi-modal feature vector into a recognition and evaluation model for automatic recognition of discharge types, evaluation of discharge severity and sensing of abnormal discharge; real-time analysis and fusion decision making are carried out on an abnormal sensing result, a recognition result and an evaluation result through a collaborative architecture of edge computing nodes and a cloud platform; wherein the edge computing node utilizes a lightweight real-time sensing module to execute real-time abnormal discharge sensing and triggers local early warning when sensing abnormity, and the cloud platform utilizes a depth evaluation module to execute comprehensive state evaluation, recognition and long-term prediction. According to the invention, the limitation of a single detection method is overcome through multi-sensor synchronous acquisition and in combination with a D-S evidence theory information fusion method.

The invention provides a zero-value insulator detection method for a direct-current ultra-high-voltage power transmission line. The method comprises the following steps: acquiring an infrared image of the direct-current ultra-high-voltage power transmission line; if the infrared image is abnormal, acquiring an ultraviolet image; if the ultraviolet image has the abnormal discharge characteristic, determining that a zero-value insulator and a corresponding potential abnormal region exist; performing ultrasonic detection on the potential abnormal region to obtain an ultrasonic signal; if abnormal signals exist in the ultrasonic signals, electric field distribution analysis is carried out on the direct-current ultra-high-voltage power transmission line; and if electric field distortion exists in the electric field distribution of the direct-current ultra-high-voltage power transmission line, determining that a zero-value insulator exists, and generating a zero-value insulator detection report of the direct-current ultra-high-voltage power transmission line. According to the invention, the zero-value insulator can be accurately identified and positioned, and the detection efficiency of the zero-value insulator is improved. The invention further provides a zero-value insulator detection system of the direct-current ultra-high-voltage power transmission line, a computer readable storage medium and electronic equipment, which have the above beneficial effects.

This utility model relates to the technical field of safety protection devices for partial discharge testing, and more particularly to a safety protection device for partial discharge testing, including a fixed base frame. A connecting mechanism is provided at the top of the fixed base frame, and the connecting mechanism includes a driving component located at the top of the fixed base frame. The driving component is connected to an adjusting component, and a protective component is provided in the middle section of the fixed base frame. The combination of a fixed base, adjusting screw, and measuring scale measures the relevant dimensions of the testing equipment, providing data support for the adjusting component. Hooks on the insulating frame facilitate the suspension and fixing of auxiliary equipment, optimizing the testing operation process. Conductive springs at both ends of the inner wall of the insulating box can quickly conduct current to the ground in case of abnormal discharge or leakage during the test, effectively preventing electric shock to operators and equipment damage, achieving overload protection, and comprehensively ensuring the safety of personnel and equipment during the test, solving the problem of inadequate traditional safety protection measures.

The application relates to a coating carrier plate and a coating device. The coating carrier plate comprises a carrier plate body and a conductive structure. The conductive structure comprises a first conductor and a second conductor. The first conductor is protruded on the carrier plate body along a first direction. The second conductor is electrically connected to the first conductor and extends along at least one direction intersecting the first direction. The first conductor is protruded on the carrier plate body along the first direction. Due to the tip effect, the electric charges accumulated on the carrier plate preferentially gather to the tip of the protruded first conductor. The electric field intensity of the tip part is higher, and the electric charges distributed everywhere can be more efficiently captured, the state of the disordered gathering of the electric charges is changed, the random accumulation of the electric charges on the carrier plate is avoided, and the risk of abnormal discharge is reduced. After the electric charges gather to the tip of the first conductor, the second conductor can provide a discharge path for the gathered electric charges due to the good conductivity of the second conductor, so that the accumulated negative electric charges can be drained along the second conductor, and the abnormal discharge caused by the more and more accumulated electric charges is prevented.

The utility model provides a battery monomer, a battery device, electric equipment and an energy storage device, and belongs to the field of batteries. The battery monomer comprises an electrode part and an adapter part, wherein the electrode part comprises two electrode assemblies which are stacked along a first direction; the switching component is used for electrically connecting the electrode terminal with the tab, the switching component comprises a first connecting part, two second connecting parts and two bending parts, the two second connecting parts are located on the two sides of the first connecting part in the first direction respectively, the second connecting parts are connected with the first connecting part through the bending parts, the first connecting part is connected with the electrode terminal, and the second connecting part is connected with the tab. The two second connecting parts are in one-to-one correspondence with the tabs of the two electrode assemblies and are connected with the tabs; the adapter component further comprises a reinforcing part, the reinforcing part is connected with the bending part, and the reinforcing part can resist deformation of the bending part, so that the deformation degree of the bending part is reduced. Therefore, the risk of abnormal discharge or short circuit in the single battery caused by the deformation of the switching component can be reduced.

Provided is a method of manufacturing a gas barrier film in which, in a case where a film is continuously formed on an elongated support through RtoR, abnormal discharge can be suppressed, and a gas barrier film having high gas barrier performance can be stably prepared. There is provided a method of manufacturing a gas barrier film, the method including: forming an inorganic layer on an elongated support or on an underlying organic layer on the support while transporting the support in a longitudinal direction, in which a plasma is generated by supplying raw material gas between the support and a conductor electrode having a porous structure that is disposed to face the support, and the inorganic layer is formed using a plasma chemical vapor deposition method, and before a main film forming step of forming the inorganic layer on the support or on the underlying organic layer on the support, a preliminary film forming step is provided, the preliminary film forming step being a step of forming an insulating inorganic layer having a lower density than the inorganic layer on a surface of the conductor electrode by setting power that is applied to the conductor electrode to be lower than power in the main film forming step while continuing the supply of the raw material gas and the application of the power until the main film forming step.

The invention discloses a plasma etching chamber, a cleaning method and semiconductor process equipment. The plasma etching chamber comprises a chamber body, a substrate table, a metal plate and an edge pressing piece. The edge pressing piece comprises a first end, the first end abuts against the side, away from the substrate table, of the metal plate, and the surface, extending along the side, away from the substrate table, of the first end is configured to be a first area. Wherein the metal plate is provided with an internal sputtering area and an insulating sputtering area surrounding the internal sputtering area, the internal sputtering area is used for providing cleaning particles for the inner wall of the chamber body under the excitation of plasma, and the first area is located in the insulating sputtering area; the insulating sputtering region is configured to inhibit formation of a conductive film in the first region of the blank holder during deposition of the cleaning particles. Cleaning can be completed on the premise that the vacuum cavity is not opened, and meanwhile the risk that a conductive film is formed on the edge of the edge pressing piece due to metal deposition, and then abnormal discharge is induced is eliminated.

An integrated plugging assembly of a fan controller comprises a controller mounting plate, a plugging seat is arranged on the controller mounting plate, a plugging head is arranged in the plugging seat in a pluggable mode, a guide sliding groove is formed in the front end of the plugging seat, and a positive electrode plugging piece, a negative electrode plugging piece, a control signal plugging piece and a feedback plugging piece are arranged in the guide sliding groove at intervals; the exposed length of the positive pole insertion sheet is smaller than that of the negative pole insertion sheet; the exposed length of the cathode insert is smaller than the depth of the guide chute; a vent hole is formed in the side wall of the guide sliding groove, and one side of the vent hole penetrates through the bottom of the guide sliding groove. The peripheral shape and size of the connecting plug are consistent with the shape and size of the guide chute; and a plugging hole is formed in the front end of the plugging head. According to the utility model, the exposed length of the cathode insert is greater than that of the anode insert, so that equipment is ensured not to be electrified accidentally (including short circuit) before a circuit is connected with the anode, and the impact of electrostatic discharge on the fan controller is reduced; the direction of the connecting plug is corrected before the connecting plug is connected with the inserting piece of the bayonet socket, so that abnormal discharge is avoided.

This invention relates to a transformer core discharge detection device, comprising a base; a clamping assembly mounted on the base for detachably clamping and fixing the part to be detected to the transformer core; a power extraction component disposed on the clamping assembly for extracting an electrical signal from the part to be detected; a first discharge electrode electrically connected to the power extraction component; a second discharge electrode disposed opposite to the first discharge electrode, forming a detection gap between them; a recording medium disposed between the first and second discharge electrodes to leave a trace when an abnormal discharge occurs; a discharge detection unit electrically connected to the second discharge electrode to detect abnormal discharge and output a trigger signal; a conveying mechanism driving the recording medium to move; the conveying mechanism electrically connected to the discharge detection unit, responding to the trigger signal and driving the recording medium forward a predetermined distance. This invention has a simple structure, is easy to install, and can intuitively record abnormal discharge events.

Provided is a manufacturing method of an electrostatic chuck capable of preventing abnormal discharge, an electrostatic chuck, and a substrate processing apparatus. A manufacturing method of an electrostatic chuck includes: a step of preparing a first ceramic plate in which a first hole is formed; a step of preparing a second ceramic plate in which a second hole is formed, the second hole being formed at a position different from that of the first hole in a horizontal direction; a step of forming a slurry layer on the first ceramic plate or the second ceramic plate using a slurry, the slurry layer being formed with a flow path connecting the first hole and the second hole; a step of stacking the first ceramic plate and the second ceramic plate with the slurry layer interposed therebetween; and a step of joining the first ceramic plate and the second ceramic plate stacked with the slurry layer interposed therebetween.

The forced circulation evaporation device based on calcium lactate production and preparation comprises a tank body, a control panel is fixedly installed on the outer wall of the tank body, a partition plate is fixedly installed in the tank body, the interior of the tank body is divided into a first cavity and a second cavity through the partition plate, and the partition plate is located at the center of the tank body; according to the invention, the data in the use of the discharge pipe is collected, a normal discharge signal or an abnormal discharge signal is obtained, and the blanking condition of the evaporation device is comprehensively and efficiently supervised in the use process, that is, the collected data range and the preset data range are comprehensively analyzed and compared, so that related evaluation signals are obtained; accordingly, corresponding early warning is sent to a remote monitoring terminal, accurate adjustment and control of the discharging process are achieved, and the influence caused by abnormal discharging is fundamentally reduced through cooperation of the first air bag and the second air bag for abnormal discharging.

The invention provides an exhaust network, a plasma processing apparatus, and a plasma processing method. The present invention suppresses pressure loss and abnormal discharge in the vicinity of an exhaust port. The exhaust net is provided with a plurality of circumferential partition walls and a plurality of radial partition walls. Each of the circumferential partition walls is provided with a plurality of plate-shaped parts in the circumferential direction, each plate-shaped part is provided with a first surface and a second surface which face each other and is formed by an electric conductor, and the extension direction of the first surface and the second surface of each plate-shaped part is configured to be along the direction of the central axis of the concentric circle. Each of the radial partition walls has a plurality of linear portions disposed in a radial direction from the central axis so as to intersect the circumferential partition wall, and the extending direction of the third surface and the fourth surface of each linear portion is disposed in a direction along the central axis of a concentric circle. In addition, the shape of a slit surrounded by two adjacent plate-shaped parts and two adjacent linear parts is in an arc shape with the central axis as the center. In addition, the ratio of the length of the plate-shaped part to the width of the slit is more than 2 and less than 3.

To provide a magnetron sputtering apparatus capable of reducing the occurrence of local abnormal discharge inside a target electrode. 【Solution means】Each magnetron sputtering apparatus includes a target that emits particles to be deposited, which is housed inside a chamber; a magnet installed on the back side of the target; a high-voltage application unit that applies a high voltage to the target; a case (holding member) that houses the target, the magnet, and the high-voltage application unit such that the surface of the target is exposed to form a target electrode; an insulating plate in which a plurality of plate materials are arranged with a gap communicating with the inside of the chamber provided between the bottom surface and side surfaces of the magnet and the case; and a workpiece installed at a position facing the target, which is formed by particles ejected from the surface of the target when an inert gas supplied into the chamber is ionized and collided with the surface of the target.

The invention discloses a method and a system for monitoring internal discharge abnormity of a switch cabinet, and aims to realize accurate monitoring and visual display of internal discharge of an all-insulated closed inflatable high-voltage switch cabinet by combining an ultraviolet image transmission fiber bundle and a big data analysis technology, so that the online monitoring capability of an equipment operation state is improved, and the operation safety of the switch cabinet is improved. And safe operation of power equipment is ensured. According to the system, ultraviolet light signals in a switch cabinet are acquired by using ultraviolet image transmission fiber bundles, photoelectric conversion and signal amplification are performed through an APD avalanche photoelectric detection module, and historical data modeling, feature extraction and clustering, real-time data monitoring and anomaly detection and classification are performed in combination with an autoregression model, a self-organizing mapping neural network and a density clustering algorithm. The system can realize real-time monitoring and abnormity feedback of the equipment state in severe environments such as strong electromagnetic interference, high temperature and high pressure, provides high sensitivity and anti-interference capability, and ensures monitoring accuracy and timeliness.

The present invention provides a plasma processing apparatus capable of suppressing the occurrence of abnormal discharge caused by a through-hole. The plasma processing apparatus comprises: an electrostatic chuck having a mounting surface for mounting an object to be processed and a back surface opposite the mounting surface, wherein the electrostatic chuck has a first through-hole formed therein, extending through the mounting surface and the back surface; and a base having a supporting surface for supporting the electrostatic chuck, wherein the base has a second through-hole formed therein, communicating with the first through-hole, and wherein an embedded member is provided within the first and second through-holes, wherein at least a portion of the embedded member corresponding to the portion connecting the first through-hole of the electrostatic chuck and the second through-hole of the base is formed of an elastic member.

The invention relates to an abnormal discharge current detection method and device for electric spark discharge machining, and is applied to the technical field of discharge machining. A direct current-direct current power supply module is adopted as a current detection core element, has a stable voltage output characteristic and is sensitive to current fluctuation response, and a traditional Hall sensor is replaced; the problem of high-precision detection of small current in a strong electromagnetic interference environment is successfully solved; on the basis of current rising edge characteristic differences of abnormal discharge and normal discharge, two key time points are selected for voltage comparison, abnormal states such as excessive arc, arc, short circuit and micro open circuit can be accurately distinguished, and missed judgment and misjudgment are avoided; a reference value lookup table corresponding to different peak currents is established through experimental calibration to adapt to various medium and finish machining parameter scenes; and the detection branch adopts the design of an isolation diode and a current-limiting resistor, and is matched with pulse-type intermittent measurement of a controlled switch tube, so that shunting interference on a main discharge loop is avoided, and the stability of the processing process is ensured.

Embodiments of the present disclosure relate to an abnormal discharge detection method, an abnormal discharge detection device, a computer program product, and an electronic device, and relate to the field of artificial intelligence technology. Among them, the above method includes: determining a biomedical signal to be detected of a subject to be tested, inputting the biomedical signal to be detected into a first abnormal discharge detection sub-model to perform a first abnormal discharge detection on the biomedical signal to be detected; performing a formal transformation on the biomedical signal to be detected of the subject to be tested to obtain class image biomedical signal data corresponding to the biomedical signal to be detected; inputting the class image biomedical signal data into a second abnormal discharge detection sub-model to perform a second abnormal discharge detection on the class image biomedical signal data; and fusing the detection situations of the first abnormal discharge detection and the second abnormal discharge detection to obtain an abnormal discharge detection result of the subject to be tested. The present disclosure can improve the efficiency and accuracy of abnormal discharge detection and recognition.

This invention provides an optical laminate and its manufacturing method. The optical laminate can prevent abnormal discharge to the marking layer at display defect sites and marks defect sites with fewer steps and lower cost. An optical laminate is characterized in that it is an optical laminate formed by stacking a substrate and an optical functional layer, wherein the optical functional layer comprises an inorganic oxide or an inorganic nitride, and a marking layer is locally formed on the surface of the optical functional layer. The marking layer is made of a semiconductor material and has a reflectivity of 40% or more for light in the wavelength range of 400 nm to 700 nm.

The invention provides a capacitor abnormal discharge detection method and device, a storage medium and computer equipment, and relates to the technical field of capacitor state monitoring, and the method comprises the steps: collecting multiple paths of voltages and multiple paths of currents of a capacitor to be detected, and carrying out the pulse coding of each path of voltage and each path of current, and obtaining each path of pulse sequence; a spiking neural network is determined, the number of input channels of the spiking neural network is the same as the number of the pulse sequences, and the spiking neural network establishes a relation with the characteristic response of abnormal discharge by adopting a specific neuron group; and inputting each pulse sequence into the pulse neuron network to obtain the abnormal discharge type of the capacitor to be detected. Therefore, the adaptive learning capability of the complex pulse sequence can be realized, so that the health state of the capacitor can be accurately and comprehensively evaluated.