FIELD: mining; designed for control of mining machines with controlled feed drive. SUBSTANCE: controlled-velocity electric drive has frequency converter to which output feed are connected: electric motors, current-transducers of electric motors of feed and cutting, input and output electromagnetic filters, controllers of control station and continuous miner, overvoltage protection modules or modules of optical communication, additional units of independent current overload protection of cutting electric motors and intensity setter. Frequency converter is made in the form of single monoblock installed in explosion-proof shell of control station with leadings chamber located on auxiliary drift. Electric motors of feed drive are connected to frequency converter by means of one power cable. EFFECT: higher reliability of continuous miner electric drive, reduced number of control cables and power cables running from drift control station to continuous miner, reduced expenditures for cables and apparatus facilities of control station with preserved service life and higher efficiency of operation of stopping equipment. 3 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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| SHEARER | 2000 |
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RU2168610C2 |
