ULElectrical Apparatus Service Association, Inc.

HTM2000 AC Drilling Motor

HTM2000 AC Drilling Motor
HTM2000 AC Drilling Motor

The Joliet Horizontal AC Drilling Motor delivers a continuous 2000HP rating for mud pump and rotary table applications and boasts an impressive rating of 3045HP for drawworks duty. The Continuous rating is at 600 VAC, 1750 Amperes, 45.6 Hertz, 900/3000 RPM.



JEC-HTM2000 Features

HTM2000 Features
  • Form Wound 6-Pole Stator - (VPI).
  • Copper Alloy Rotor Bars and End Ring.
  • Class H Insulation.
  • (VFD) Inverter duty.
  • 4532 Alloy High-Strength Forged Single Shaft with Oilfield Hub,
  • OPE Insulated Bearing.
  • Pressurized connection box (IP56) mounted on left side of motor as viewed from non-drive end, with bolt-on cable connections and terminations for pressure sensor, thermostat, space heater, lockout switch and blower unit. Connection box can be specified on right side.
  • (6) 100 Ohm Platinum RTD's, (2) per phase.
  • Blower Assembly: 25HP, Explosion Proof, 3 Phase, 60 Hz., 460 Volts.
  • Pressure Sensor, Explosion Proof.
  • Lockout Switch, Explosion Proof.
  • Space Heater, 120 or 240 VAC, Explosion Proof.
  • Stub Shaft for Encoder (Drawworks).
  • Approx. Weight: 8,400 Lbs.


Engineering Data
  • Service Speed: Belt drive: 02300 RPM (min-1)
  • 2300∼3000 RPM: short time drive.
  • Optional: 0∼3000 RPM (Direct coupling drive. Continuous drive.)
  • Over speed: 3600 RPM (min -1).
  • Dielectric Test Vibration: 4025 V (900*2.25+2000, 900 V is inverter input Voltage).
  • Permissible Vibration: +/-73.5 m/S² (+/-7.5G).
  • Noise (No-Load): Approx. 91 dB(A) at 1m from motor frame.
  • Bearing Type: Gear Side: Roller Bearing; Opp. Gear Side: Roller Bearing.
  • Manufactured in accordance to Certifications and approvals by Hitachi Corporation.

Output (HP)

Output (HP) Continuous 2000
Output (HP) Intermittent 3045

Output (KW)

Output (KW) Continuous 1492
Output (KW) Intermittent 2272


Voltage (V) Continuous 600
Voltage (V) Intermittent 600


Current (A) Continuous 1850
Current (A) Intermittent 2850


Speed (1/min) Continuous 900
Speed (1/min) Intermittent 800


Frequency (HZ) Continuous 45.6
Frequency (HZ) Intermittent 40.6


Efficiency (%) Continuous 94.5
Efficiency (%) Intermittent 84.1

Power Factor

Power Factor (%) Continuous 87.7
Power Factor (%) Intermittent 88.2


Slip (%) Continuous 1.17
Slip (%) Intermittent 1.52

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