Compensation capacitor fault judgment method
Fault Diagnosis of Compensation Capacitor in Joint-less Track …
A novel method based on Long Short-Term Memory (LSTM) network for the compensation capacitor disconnection fault detection and diagnosis in the ZPW-2000 Joint-less Track Circuit is presented. The fault detection and diagnosis of compensation capacitors in the ZPW-2000 Joint-less Track Circuit (JTC) are quite crucial and …
Fault Diagnosis for ZPW2000A jointless track circuit compensation ...
This paper presents a method for diagnosing online track circuit compensation capacitor fault based on K-fault Diagnosis, which can locate real time capacitor fault by taking use of the measurement data collected at indoor fixed measuring nodes. This paper presents a method for diagnosing online track circuit compensation …
A novel health state prediction approach based on artificial ...
Basing on the transmission model between a track circuit and it''s reader and learning from the biological immune mechanism, the fault diagnosis method for compensation capacitors of track circuits ...
The compensation capacitors fault detection method of jointless …
This method is verified that it can detect the location of fault capacitor when there is only one capacitor is fault, in addition, it largely overcomes the disadvantages existed in recent detection methods: high cost, bad detection timeliness and influence on …
Diagnosis Approach on Compensation Capacitor Fault of …
DOI: 10.1007/978-981-13-0341-8_38 Corpus ID: 56706227; Diagnosis Approach on Compensation Capacitor Fault of Jointless Track Circuit Based on Simulated Annealing Algorithm @article{Zhang2018DiagnosisAO, title={Diagnosis Approach on Compensation Capacitor Fault of Jointless Track Circuit Based on Simulated Annealing …
Factors affecting compensated capacitor faults based on …
Uninsulated track circuits are a key part of the train operation control system, and in uninsulated track circuits, compensation capacitor faults lead to reduced transmission distances due to increased transmission decay[1] this paper, the sample nonparametric test method is used to analyze the difference of the compensating …
Fault Diagnosis for ZPW2000A jointless track circuit compensation ...
This paper presents a method for diagnosing online track circuit compensation capacitor fault based on K-fault Diagnosis. This method can locate real time capacitor fault by taking use of the measurement data collected at indoor fixed measuring nodes. To achieve the diagnosis goal, this paper establishes lumped …
87L Application on Long Transmission Line with Series …
The capacitor units include a set of small size capacitors in series and in parallel. The units are equipped with internal fuses. The Metal Oxide Varistor (MOV) is applied to reduce overvoltage across the capacitor without entirely bypassing the capacitor during a fault occurring outside of
Diagnosis Approach on Compensation Capacitor Fault of …
In order to improve the performance of the fault diagnosis of the compensation capacitor, a fault detection method based on simulated annealing …
A feasibility and method research on the on-line ...
As important reactive power equipment, parallel compensation capacitors play a key role in improving the power quality and the structure of the power system. At present, the detection of parallel compensation capacitors generally takes offline test, and the fault in operation mainly relies on the protection device action to be removed. However, there is a …
IEEE Guide for the Application of Shunt Power Capacitors …
power capacitors. The guide is general and intended to be basic and supplemental to specific recommendations of the manufacturer. The guide covers applications that range from simple capacitor unit utilization to complex capacitor bank situations. Keywords: capacitor, capacitor banks, externally fused, fuseless, IEEE 1036™, internally fused,
Analysis of structure importance of compensation capacitor in …
Experimental results indicate that the rankings of structure importance are not affected by ballast resistance of JTC in this method. The results also show that the …
Fault Diagnosis of Track Circuit Compensation Capacitor Based …
With regards to this, a fault diagnosis method for TC based on Grey Wolf Optimizer (GWO) algorithm is put forward in this paper. A Uniform Transmission Line (UTL) Model of TC is …
Compensation capacitor fault detection method in jointless track ...
： Transmission-line theory is used to study the impact on the short circuit current in the jointless railway track circuit caused by the faulty compensation capacitor.Levenberg-Marquardt(L-M) algorithm is used to verify the validity and adaptability of the regression model for the short circuit current.According to the operation principle of the cab …
Research on Fault Location Method of Track Circuit …
fault of compensation capacitor, a fault location model of compensation capacitor based on probabilistic neural network is established. Firstly, the influence of compensation …
Fault-tolerant compensation control for T-type three-level …
lower capacitors of the dc side, respectively, Mx and Vd are the fault indicator for average phase current and voltage deviation, respectively. The status value indicates which switch has failed, such as 1 means Sx1 is a fault. According to the preset threshold, the open-circuit fault can be located by the values of Mx and Vd, as shown in Table 3.
The track inspection vehicle data is utilized for fault feature ...
This paper presents a method for diagnosing online track circuit compensation capacitor fault based on K-fault Diagnosis. This method can locate real time capacitor fault by taking use of the ...
Reactive Power Compensation Methods
Reason for Low Power Factor: In Most of the industry, we will use three phase induction motor.Normally, the induction motor power factor will be 0.3 to 0.5 during light load condition and during full load condition the power factor increases to 0.85 to 0.95.; Using High number of arc lamps, electric discharge lamps and induction furnaces.
The compensation capacitors fault detection method of jointless …
This paper uses transport-line theory to construct equivalent model of jointless track circuit under shunted state and analyses the principle of track induced circuit in the …
Analysis of structure importance of compensation capacitor in …
A fault diagnosis method for the tuning area of jointless track circuits based on a neural network. ... Gu H, Dong W, Sun XY, et al. Fault diagnosis for ZPW2000A jointless track circuit compensation capacitor based on K-fault diagnosis. In: The 32nd Chinese control conference, Xi''an, China, 26–28 July 2013, pp.6305–6312.
Power Factor Correction: Reactive Power Compensation Methods
Power Factor Correction: Reactive Power Compensation ...
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