2001 Vol. 27, No. 4

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Cover Catalogue
New Model Integrated Control and Monitoring System Used in Coal Mine
SHI You-re
2001, 27(4): 1-3.
<Abstract>(31)
Abstract:
In this paper, model KJ95 Integrated Control and Monitoring System Used in Coal Mine which were improved is introduced. The structure and the funcations of the software, substation and other main equipments were perfected and improved. The system completely meets the demands of mine safety production and modernization management.
Research On Permanent-magnet Motor with Running in Low-speed, Linear and Synchronous
SHANGGUANG Xuan-feng, LIU Chun-sheng, JIAO Liu-cheng
2001, 27(4): 3-6.
<Abstract>(40)
Abstract:
The paper introduces the basic structure, working principle and characteristics of permanent magnet motor with running in low speed, linear and synchronous, and analyzes the problems considered in designing of the width of the motor. The formulas used in determining some parameters, such as leakage magnetic conductance of moving part, the direct axis reactance of armature reaction and the quadrature axis reactance of armature reaction of the motor is eastablished.
Application of Direct-sequence Spread Spectrum Communication in Mobile Communication Used in Coal Mine
WU Ming-jie, XU Li-jie, ZHANG Ke
2001, 27(4): 6-8.
<Abstract>(14)
Abstract:
The existing problems of coal mine communication, especially of the underground mobile communication are summarized in the paper. It is also pointed out that spread spectrum communication has advantages of strong in anti interference and easy to realize CDMA, and it is particularly adopted for coal mine communication. The paper discusses the applying foreground of the spread spectrum communication technology in mobile communication used in coal mine, and shows the feasible and practical program.
The Arc-suppression Coil with Three-phases and Five-columns System and Its Application in Coal Mine Power Network
WANG Fu-xing , YAN Shi-hua
2001, 27(4): 9-11.
<Abstract>(26)
Abstract:
The compensation principle of arc suppression coil with three phases and five columns system is introduced in this paper. The structure of this arc suppression coil is different from the traditional model, and it is the integration of the traditional grounding transformer and arc suppression coil. The arc suppression coil with three phases and five columns system can realize automatic trace and compensation for grounded fault capacitive current of power network by the method of regulating inductive current of second winding with silicon controlled rectifier.
Design Conception of Integrated Automation System for 110kV Substatio
FU Zhou-xing, GUO Ying-na, LI Zhong
2001, 27(4): 11-14.
<Abstract>(21)
Abstract:
This paper set about from integrated substation to considerate the functions such as relay protection, supervision, monitoring and control telecommunications, direct current and five protections. The integrated design conception of relay protection, monitoring and control and telecommunications is intended to recommend in this paper, which can prevent the device from being collocated repeatedly, reduce cost, and also be beneficial to running management and maintenance of substation.
The Study of CAT Test Board for Motor
YANG Jing, SHI Lian-jun, LI Xin-ping, SHOU Long
2001, 27(4): 14-15.
<Abstract>(21)
Abstract:
The Application and Analysis of the Braking Unit with Frequency converter for Electrical Haulage Shearer
HE Jing-de, HAN Bao-min, LIU Zhen-jian, RUI Guo-hong
2001, 27(4): 16-18.
<Abstract>(26)
Abstract:
According to working condition of the electric haulage shearer, this article points out the necessity of using braking unit. It analyzes and calculates the braking power under the condition of the shearer deceleration and running down along the inclined seam. It also provides a electrical way used in the braking unit.
Research on the Geometric Error and Its Control Strategy and Implementation Method in Rapid Prototyping and Manufacturing
LI Zhan-li, GONG Shang-fu
2001, 27(4): 19-21.
<Abstract>(16)
Abstract:
In the paper, the geometric error caused by triangularization is analyzed, and control strategy of the geometric error in rapid prototyping & manufacturing is discussed. Its implementation method is presented and realized, and it has been proved that it’s effective.
Implementation of Integrated Automation System for Coal Mine Substatio
Wang Qi-jun , Yang Feng-zhong , Chen Ying-xiang
2001, 27(4): 22-24.
<Abstract>(8)
Abstract:
The distributed protection and measure control equipment integrates functions of conventional protection, automation, remote acquisition, measurement, etc. It is the key of realizing integrated automation system for substation. The structure and features of substation automation system are discussed in this paper. The hardware and software design conceptions of integrated protection equipment are introduced in detail and also its functions realized.
Detecting and Judging the Load on Spool Cylinder of Hoist Motor Used in Coal Mine Auxiliary Shaft
LIU Hong-li
2001, 27(4): 25-26.
<Abstract>(6)
Abstract:
Feed Control for Jig
LI Hong-qing, QU Hao, LIU Jian-rong
2001, 27(4): 26-27.
<Abstract>(18)
Abstract:
Applicaiton of Real-time Perspective Instrument for All-section of Core Wire Rope Transport Belt in Chengzhuang Coal Mine
FU Jun-qing
2001, 27(4): 28-29.
<Abstract>(20)
Abstract:
Intelligent Vacuum Electromagnetic Starter Used in Coal Mine
TANG De-mao, HAN Qi-wei, ZHANG Zhong-yuan, ZHU Ren-you
2001, 27(4): 29-31.
<Abstract>(32)
Abstract:
Development of RD-2000 Automatic Meter Reading System
REN Hui, LI Yong
2001, 27(4): 31-32.
<Abstract>(22)
Abstract:
The Automation Design of Underground Main Water-pumping in No.3 Jining Coal Mine
PAN Zhong, CHEN Gui-la
2001, 27(4): 33-34.
<Abstract>(27)
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Operating and Hoisting Signal System for Auxiliary Shaft of Chaozhuang Coal Mine
WU Si-bo
2001, 27(4): 35-36.
<Abstract>(21)
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Improvement of Applying Technique of CO2 Automatic Welding
TENG Jin-long, YANG De-cai
2001, 27(4): 36-37.
<Abstract>(23)
Abstract:
Implementation of Telecommunication of Control and Monitoring System for Belt Conveyor Used in Coal Mine
PAN Yu
2001, 27(4): 38-39.
<Abstract>(15)
Abstract:
The paper introduces the telecommunication method which apply field bus RS 422 to realize control and monitoring system for belt conveyor used in coal mine, and gives telecommunication program diagram with C program language.
To Add Function of Loud-speaking to Dispatching Communication System
CHEN He-quan, WANG Jian-guo
2001, 27(4): 39-40.
<Abstract>(21)
Abstract:
Design of Office Automation System Based on Web
QIAN Jian-sheng, LIU Fu-qiang, GU Jun, CHENG Le-tuan, CHANG Yu-lin, LIU Song-ke
2001, 27(4): 41-42.
<Abstract>(19)
Abstract:
The system of Office Automation (OA) used B/S structure is based on the Web technology of Intranet. It is easy to trainer, and it has some clear characteristics such as working reliably, modularly, compatibly and so on.
Treatment and Precautionary Measures for Common Faults of Main Station in Power Dispatching Automation System
ZHANG Wei
2001, 27(4): 43-44.
<Abstract>(14)
Abstract:
Application of Single - chip Computer in Detecting Air Pressure
CHEN Wan-ping, KONG Xiang-he
2001, 27(4): 44-46.
<Abstract>(23)
Abstract:
In this paper, it is described that the application of the collecting and processing system in detecting air pressure on the basis of MCS 51 single chip computer technology. This system can accurately detect the value of air pressure as well as the on off state of fan.
Design and Application of Control Circuit for Shearer Ends
JIN Jian-shun, XU Tai-shan, WANG Hong-qing, DONG Feng, WANG Ya-ping
2001, 27(4): 46-47.
<Abstract>(39)
Abstract:
Practical Circuits of Anti-interference and Cutting off Protection Based on Single-chip Computer
ZHOU Li, LU Shi-kui
2001, 27(4): 48-49.
<Abstract>(11)
Abstract:
Discussion on the Improvement of Three-phase Four-wire Power System
GAO Guo-mi
2001, 27(4): 50-50.
<Abstract>(36)
Abstract:

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