Colliery Mechanical & Electrical Technology Articles

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1Application of 4-quadrant AC Frequency Converter Governing Technique on Electrical Haulage Shearers1-4

2The Excitation System of Heavy Power Generator Based on Parametric Fuzzy Self-regulation PID Control5-8

3Development of Automatic Control System for Fly Ash Concrete Block Former9-10,8

4Structural Stress Analysis of Outlet System of Dry Coal Separator with Air Heavy Medium Fluid Bed11-12,24

5Application of Vacuum BC Switch on High-voltage Integrated Starting Box13-15

6Study of Cage Accepter for Cable Guide Intermediate Level in Vertical Shaft15-16,20

7Application of Fuzzy Theory in Optimum Design for Structural Parameters of Spiral Cutting Drum of Shearer17-20

8Analysis of Damage Source and Preventive Measures of Column-type Support for Powered Roof Support21-24

9Determinate Method of Frictional Coefficient and Maximal Braking Torque between Brake Shoe and Braking Disk25-26

10The Comprehensive Application of Wavelet Analysis and Ferrography Technique in State Monitoring of Rolling Bearing27-30

11Use of AC-AC Frequency Converter of Siemens in Yongcheng Coal-electric (Group) Co.,Ltd.31-34

12A New Design Scheme of Microprocessor-based Protection for 35kV Main Transformer in Mine35-36,30

13Discussion on Intranet System Construction for Enterprises37-40

14On the Anti-interference Measures of Earth-Leakage Protection Devices Based Micro-Computer41-43

15The Application of Automatic Emulsion Compounding System44,50

16Back-up Protection Measures and Application of Hoister45-46

17Measures Adopted to Guarantee the Sealing Ability of Valve Control Seal Lead-acid Battery47-48

18The Application of 4DA Centrifugal Pump in Pansan Mine49-50