ULElectrical Apparatus Service Association, Inc.

HTM1230 AC Drilling Motor

HTM1230 AC Drilling Motor
HTM1230 AC Drilling Motor

The HTM1230 New Horizontal AC Drilling Motor delivers a continuous rating for mud pump and rotary table applications of 1230 HP and intermittent rating for drawworks applications of 1845 HP. Continuous rating is at 600/690 VAC, 1170 Amperes, 40.6 Hertz, 800/1400 RPM.

Optional Certifications:

  • IEC Certified Ex e IIC T3 Gb, By Sira 10.0053X.
  • ATEX Certified Ex e IIC T3 Gb, by Sira 10ATEX3113X.
  • ABS/DNV Certification.
  • CE Mark.

DOWNLOADS

PDF HTM1230 AC Drilling Motor (PDF, 560KB)

Specifications

HTM1230 Features
  • Form Wound - (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: 15HP, Explosion Proof, 3 Phase, 60 Hz., 460 Volts, Providing 3000 CFM of cooling.
  • Pressure Sensor, Explosion Proof.
  • Lockout Switch, Explosion Proof.
  • Space Heater, 120 or 240 VAC, Explosion Proof.
  • Approx. Weight: 7,560 Lbs.

Optional Features

  • Bearing RTD's.
  • Encoder.
  • Closed Lop Cooling System.
  • Ultra-Quite Blowers.
  • Vertical Configuration.
Engineering Data
  • Service Speed: Belt drive: 0 ∼ 2300 RPM (min-1)
  • 2300 ∼ 3000 RPM: short time drive.
  • 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 1230
Output (HP) Intermittent 1845

Output (KW)

Output (KW) Continuous 918
Output (KW) Intermittent 1376

Voltage

Voltage (V) Continuous 600/690
Voltage (V) Intermittent 600/690

Current

Current (A) Continuous 1170
Current (A) Intermittent 1755

Speed

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

Frequency

Frequency (HZ) Continuous 40.6
Frequency (HZ) Intermittent 41.1

Efficiency

Efficiency (%) Continuous 94.5
Efficiency (%) Intermittent 92.9

Power Factor

Power Factor (%) Continuous 82.3
Power Factor (%) Intermittent 89.6

Slip

Slip (%) Continuous 1.18
Slip (%) Intermittent 2.33

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