Capacitor defect detection method and system
The invention relates to the technical field of image data processing, in particular to a capacitor defect detection method and system, comprising the following steps: acquiring label text...
Online Detection Method for Capacitor Voltage Transformer …
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CN116046669A
The invention discloses a capacitor detection device and a detection method, which relate to the technical field of capacitor detection and comprise a support frame, wherein an end surface measuring and connecting piece connected with a mounting fixed plate is arranged at the top of a buffer position bin, and the output end of a motor is connected with the end surface measuring …
An Online Monitoring Method for Capacitor Condition of …
An Online Monitoring Method for Capacitor Condition of Cascaded H-Bridge STATCOM Based on Sensorless Capacitor Voltage Detection IEEE Transactions on Circuits and Systems I: Regular Papers ( IF 5.2) Pub Date : 2024-08-19, DOI: 10.1109/tcsi.2024.3407125
A light-weight defect detection model for capacitor appearance …
To enhance production efficiency and reduce the manufacturing costs of capacitors, we propose a method for detecting appearance defects in capacitors based on the …
[LPC55xx] :Power Supply Circuit Design and …
LPC55xx power supply system current direction is shown in the diagram below. See arrow in red. In order to ensure the normal operation of the DCDC circuit, the following two detection points are recommended. 1) Detection point 1: …
Filter capacitor degradation detection apparatus and method
238000000034 method Methods 0.000 title claims abstract description 37; 238000001514 detection method Methods 0.000 title description 13; ... For instance, certain filter capacitor degradation detection functions set forth herein may be implemented in a local controller 60, such as a field programmable gate array ...
CN112858792A
The invention relates to the technical field of semiconductor testing, in particular to an energy storage capacitor failure detection method based on a test carrier plate. The specific test method is as follows: s1: the test carrier plate is connected with the DPS test circuit; s2: placing the test carrier plate in an unloaded state; s3: the test carrier plate starts to operate; s4: estimating ...
CN116008604A
The application discloses capacitor detection device includes: a case for forming a mounting base of the capacitor detection device; a power-on detection unit for performing power-on detection operation on the capacitor; a spacing adjustment assembly for adjusting the local parts of the power-on detection assembly according to different types of capacitors; and the capacitor …
CN117233172A
The invention relates to the technical field of product detection and discloses an intelligent capacitor detection device, which comprises a base, a detection mechanism and an auxiliary mechanism, wherein the base is used for assembling and bearing all detection mechanisms and auxiliary mechanisms required in the intelligent capacitor detection process; the automatic …
CN113884504A
The invention discloses a method and a device for controlling appearance detection of a capacitor, wherein the method comprises the following steps: acquiring capacitance image information to be processed; the to-be-processed capacitance image information comprises a plurality of to-be-processed capacitance images; determining an appearance detection type …
Online Detection Method for Capacitor Voltage Transformer …
A robust detection and diagnosis method for incipient faults under the principal component analysis that can detect all incipient sensor faults in traction systems of high-speed trains in real time by comparing reference probability density functions (PDFs) with the online estimated PDFs.
About the detection method of capacitor
When testing ordinary capacitors, you can first read the nominal capacitance of the ordinary capacitor to be tested according to the identification information of the ordinary capacitor, then …
CN102998599B
The present invention provides a kind of polypropylene metallized film capacitor detection method, by the most normal to capacitor internal polypropylene metallic film, it is judged that capacitor is the most qualified.The method is to be placed in the environment of uniform temperature by capacitor, test the breakdown voltage of its polypropylene metallic film, compare with …
CN114675084A
The invention discloses an automatic measurement method based on tantalum capacitor capacitance loss detection, which comprises the following steps: setting S1 parameters; s2 identifying the piece to be tested; s3, positioning the piece to be tested; s5 correcting the direction; s6 testing; the invention depends on a vision system to carry out image preprocessing and …
CN111679141B
The application discloses a super capacitor detection method and a super capacitor detection system. The supercapacitor detection method comprises the steps of obtaining parameters of a supercapacitor to be detected; acquiring a test mode selected by a user; acquiring a preset test method according to a test mode of a user or generating a self-defined test method according …
CN114378004A
The invention belongs to the technical field of capacitor detection, and particularly discloses a capacitor detector and a detection method thereof, wherein the capacitor detector comprises a rack, a grabbing part, a first detector, a clamping part, a rotating mechanism, a second detector and a controller, wherein the rack is provided with a workbench, a first fixing plate is arranged …
CN109188161B
The invention discloses a capacitor detection device and a detection method thereof, wherein the capacitor detection device comprises: the carrier is provided with a plurality of clamping holes, and the clamping holes are used for bearing the capacitor to be detected; the transmission device is used for transmitting the carriers; the image acquisition assembly comprises an upper image ...
An online detection method for capacitor voltage transformer …
The physical mechanism of CVT ME is as follows: From Fig. 1, the high voltage U p on the primary side is divided into medium voltage by the CVD, and then the medium voltage is reduced into the low voltage output U s by the IVT. Since the high voltage U p is stepped down by the CVD, the insulation requirement for the IVT is reduced. The CVD is composed of hundreds …
WO2023082712A1
A capacitor detection apparatus and method, and a motor control device. The detection apparatus comprises: a switch unit which is in a closed state when a motor control device needs to control a motor system to be powered on and started, so that the motor control device is powered on; a detection unit which is used for measuring the voltage at two ends of at least one of more than …
Online Detection Method for Capacitor Voltage Transformer …
*The material contained in this document is based upon work supported by a National Aeronautics and Space Administration (NASA) grant or cooperative agreement.
Capacitor Detection in PCB Using YOLO Algorithm
Optical inspection is an important task of PCB manufacturing. Once PCB manufactured in small batch production, it needs a fast way to teach and adjust the automatic optical inspection (AOI) …
Three detection methods for capacitors
The detection of capacitors is mainly divided into three categories: detection of fixed capacitors, detection of electrolytic capacitors, and detection of variable capacitors.
Capacitor detection device and detection method
The application belongs to the technical field of capacitor production, and particularly relates to a capacitor detection device and a method for detecting a capacitor by using the same.
CN115508629A
The disclosure provides a super capacitor detection apparatus and method, a medium, and a computer device. The super capacitor detection device includes: the processing circuit is electrically connected to detection points of a super capacitor module comprising a plurality of capacitor modules which are connected in series through a plurality of lines, amplifies and …
A Capacitor Switching Disturbance Detection Method Based on …
As the scale of power systems continues to expand, it is often necessary to switch capacitors to ensure the normal operation of the distribution network. Howeve
CN117952926A
The invention provides a defect detection method and device for a ceramic capacitor, a terminal and a storage medium. The method comprises the following steps: acquiring CT images and appearance images of the capacitor tray; wherein, a plurality of ceramic capacitors are arranged on the capacitor tray; determining internal structure defect information of a plurality of ceramic …
A light-weight defect detection model for capacitor appearance …
To further test the effectiveness of the proposed method for capacitor appearance detection, we tested some images with the resolution size set to 640*640.The statistics of the correct rate, false detection rate, leakage rate, etc. for each type, and the detection results are shown in Table 5.