AC Motors for the Continuous Miner
9 motors manufactured
TVE manufacturers 9 different AC rotating electric motors for Continuous Miners. These motors range between 140 kW to 275 kW.
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CUTTERHEAD Motor - 175 kW 50 Hz S1
340 HP 60 Hz S1
New motor for Mega-head application.
Application:
This motor drives the cutter head on the Joy 12HM31 continuous miner.
The motor is constructed as follows:
- All steel frame
- Heavy duty end-brackets for double flange mounting
- Water cooling by means of wrap around water-jacket
- Cable entry by flameproof gland or socket connector
- Flameproof to SABS IEC – 79-0 / 79-1 and SABS 314-1971 |
Technical Information:
kW Rating: |
175 kW, 50 Hz |
HP Rating: |
340 HP, 60 Hz |
Duty Class: |
Class H |
Supply Voltage: |
Up to 3300 V |
RPM: |
186 lb.ft to 137 lb.ft |
Insulation System: |
Class H Formed Coil |
VPI: |
Epoxy resin |
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General Information:
VPI = Vacuum Pressure Impregnated |
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CUTTERHEAD Motor - 150 kW Class H Rise
This motor drives the cutter head drums on a Continuous Miner.
The motor is constructed as follows:
- All steel frame
- Heavy duty end-brackets for double flange mounting
- Water cooling by means of wrap around water- jacket
- Cable entry by flameproof gland or socket connector
- Flameproof to SABS IEC – 79-0 / 79-1 and SABS 314-1971 |
Technical Information:
kW Rating: |
150 kW Class H Rise |
Duty Class: |
Special |
Supply Voltage: |
Standard Voltage up to 1100 V |
RPM: |
1480 RPM |
Insulation System: |
Class H Formed Coil |
VPI: |
epoxy resin |
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General Information:
The motor was developed for Sasol Coal to provide increased power on the cutter head assembly and reduce breakdown stoppages by eliminating overload related failures.
VPI = Vacuum Pressure Impregnated |
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CUTTERHEAD Motor - 140 kW Class H Rise
This motor drives the cutter head drums on a Continuous Miner.
The motor is constructed as follows:
- All steel frame
- Heavy duty end-brackets for double flange mounting
- Water cooling by means of wrap around water- jacket
- Cable entry by flameproof gland or socket connector
- Flameproof to SABS IEC – 79-0 / 79-1 and SABS 314-1971 |
Technical Information:
kW Rating: |
140 kW Class H Rise |
Duty Class: |
Special |
Supply Voltage: |
Standard Voltage up to 1100 V |
RPM: |
1480 RPM |
Insulation System: |
Class H Formed Coil |
VPI: |
epoxy resin |
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General Information:
The motor was developed for Sasol Coal to provide increased power on the cutter head assembly and reduce breakdown stoppages by eliminating overload related failures.
VPI = Vacuum Pressure Impregnated |
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SCRUBBER FAN Motor -
Special “Mine Duty” flameproof S.C. induction motor.
Type – 11430.
Application:
This motor has been designed to drive a scrubber fan for coal dust suppression on Continuous Miner Machines.
- All steel frame
- S.G. Iron end-brackets and connection box
- Heavy duty bearings
- The motor is water-cooled and pad mounted
- Cable connection box is positioned remotely from the motor
- Flameproofing to SABS 314 – 1971 and IEC 79
- Protection IP-65 to IEC 34-5
- Dynamic balancing to IEC 34-14® levels |
Technical Information:
kW Rating: |
35 kW, 40 kW and 45 kW |
Duty Class: |
S1 (continuous running) |
Supply Voltage: |
Standard Voltages up to 1000 V 3ph. 50Hz |
RPM: |
2920 |
Insulation System: |
Class H formed coil
Stator windings VPI |
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General Information:
The motor was designed by Trans Vaal Electric, development was carried out with a major customer
and a fan supplier.
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50 kW PUMP Motor
Special "Mine Duty" Flameproof Squirrel Cage induction motor.
Type - 15380.
Application:
This motor has been designed to drive the hydraulic pump on the Continuous Miner.
The motor is constructed as follows:
- All steel frame
- Heavy duty endshields for rigid flange mounting
- Water cooled by means of a "wrap around" water-jacket
- Cable entry by means of an approved flameproof gland or socket connector
- Flameproof to SABS IEC : 79-0 / 79-1 & SABS 314-1971 |
Technical Information:
kW Rating: |
50 kW |
HP Rating: |
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Duty Class: |
S1 |
Supply Voltage: |
Standard Voltages up to 1100 V |
RPM: |
1480 RPM |
Insulation System: |
Class H |
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General Information:
This motor was designed by Trans Vaal Electric for a coal mining company to replace its ageing fleet of 46kW hydraulic pump motors. The new motor requires no mechanical or electrical modification of the machine for fitting and has now been adopted as the standard component for the hydraulic pump drive on the continuous miner. Since the introduction of this motor the number of failures of the hydraulic system relating to motor fault have decreased significantly, improving the availability of the continuous miner and consequently the production levels.
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AC TRACTION Motor - 36/8 kW Dual Speed
Special “Mine Duty” flameproof S.C. Induction Motor. Type – 9600.
Application:
This motor provides two-speed drive on a Continuous Miner.
The motor is constructed as follows:
- All steel frame
- Heavy duty end bracket for rigid mounting
- Water cooling by means of wrap around water-jacket
- Cable entry by flameproof gland
- Flameproof to SABS IEC: – 79-0 / 79-1 and SABS 314-1971 |
Technical Information:
kW Rating: |
50 HP. Class F Rise.
One Hour Traction Duty |
HP Rating: |
110 V to 128 V |
Duty Class: |
385 A to 330 A |
Supply Voltage: |
1400 RPM to 1900 RPM |
RPM: |
186 lb.ft to 137 lb.ft |
Insulation System: |
1300 lb.ft @ 1300 A |
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General Information:
This dual speed motor was developed for Matla Coal for traction duty on a Continuous Miner. The four pole (high speed) winding is used for tramming between sites while the twelve pole (low speed) winding is used during the sumping or cutting cycle.
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GATHERING ARM Motor - 50 kW
Special "Mine Duty" Flameproof Squirrel Cage induction
motor. Type - 13500.
Application:
This motor has been designed to drive the gathering arms on the spade of a Continuous Miner through a reduction gearbox.
The motor is constructed as follows:
- All steel frame
- Heavy duty end-brackets for double flange mounting
- Water cooling by means of wrap around water-jacket
- Cable entry by flameproof gland or socket connector
- Flameproof to SABS IEC – 79-0 / 79-1 and SABS 314-1971 |
Technical Information:
kW Rating: |
50 kW |
HP Rating: |
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Duty Class: |
S1 |
Supply Voltage: |
Standard Voltages up to 1100 V |
RPM: |
1431 |
Insulation System: |
Class H |
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General Information:
This motor was developed for Matla Coal to replace its ageing fleet of 46 kW gathering arm motors. The new motor requires no mechanical or electrical modification of the machine for fitting and has now been adopted as the standard component for the gathering arm drive on the Continuous Miner.
Since the introduction of this motor the number of failures on the gathering arm system has decreased significantly, improving the availability of the Continuous Miner.
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DC TRACTION Motor - 50 kW
The motor has been designed as the main drive unit on
Continuous Miner Machines.
Application:
The motor has been designed as the main drive unit on Continuous Miner Machines.
The motor is constructed as follows:
- All steel frame
- Heavy duty mild steel end brackets for increased durability
- Side cable entry via Exp compression gland
- Water jacket cooled
- Flange mounting
- Explosion proof to MSHA 30 CFR 7.3 or SABS IEC 79-1 |
Technical Information:
kW Rating: |
50HP Class F Rise.
One Hour Traction Duty |
Rated Load Current: |
167 A |
Peak Torque: |
410 lb.ft @ 330 A |
Supply Voltage: |
250 V |
Rated Speed: |
1650 RPM to 1800 RPM |
Insulation System: |
Class F or Class H |
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General Information:
This motor was developed by Trans Vaal Electric specifically for the arduous duty associated with CM applications. Salient features include a revised brush rocker arrangement; lighter armature with an improved cooling circuit and a superior power lead connection arrangement.
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PUMP Motor - 50 kW
This motor has been designed to drive the hydraulic pump on the Continuous Miner.
Application:
The motor has been designed as the main drive unit on Continuous Miner Machines.
The motor is constructed as follows:
- All steel frame
- Heavy duty endshields for rigid flange mounting
- Water cooled by means of a "wrap around" water- jacket
- Cable entry by means of an approved flameproof gland or socket connector
- Flameproof to SABS IEC : 79-0 / 79-1 & SABS 314-1971 |
Technical Information:
kW Rating: |
50 kW |
HP Rating: |
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Duty Class: |
S1 |
Supply Voltage: |
Standard Voltages up to 1100 V |
RPM: |
1480 RPM |
Insulation System: |
Class H |
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General Information:
This motor was designed by Trans Vaal Electric for a coal mining company to replace its ageing fleet of 46kW hydraulic pump motors.
The new motor requires no mechanical or electrical modification of the machine for fitting and has now been adopted as the standard component for the hydraulic pump drive on the continuous miner.
Since the introduction of this motor the number of failures of the hydraulic system relating to motor fault have decreased significantly, improving the availability of the continuous miner and consequently the production levels.
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Our Services
Select services in support of our motors
We carry parts and spares to all our mainline motors. Downtime is guaranteed to be a minimal 72 hours.
Motor replacement - should your motor require servicing, we will collect and replace your motor while it is being done
Delivery and commissioning of all our CM motors, regardless where in SA you are.
Consultation to assist you to achieve best of breed for your needs.
Make an enquiry and we will reply within 48 hours.
