LRT / MJRT

Technical Features

SERIES: LRT / MJRT
POWER: Up to 5500 kVA
VOLTAGE: Up to 690 V
FRAME: 315 – 900
POLES: 4 to 20 (over contact MM)
FREQUENCY: 50/60 Hz
PROTECTION DEGREE (IP): 44 (up to 56 on request)
COOLING METHOD (IC): 81W
AMBIENT TEMPERATURE: 0°C to +60°C
WATER TEMPERATURE: Up to 40°C
AVR: E-Vo up to 630 frame; MGC II above
BEARINGS: antifriction or sleeve (on request from frame 400)
APPLICATIONS: Cross-Flow turbines, Francis turbines, Kaplan turbines, Pelton turbines, Turgo turbines
STANDARDS: IEC 60034
CERTIFICATIONS: UL/CSA certification available on request


Main Options:

  • Special shaft end for direct coupling with turbine
  • Bearings arrangement suitable for high axial and radial forces coming from the turbine
  • Reinforced rotor design for high overspeed
  • Horizontal or vertical shaft design
  • Dedicated current transformer installed on neutral point (differential protection and measurement)
  • Insulated bearing and earthing brush
  • Arrangement for rotor earth fault protection 64R
  • Additional flywheel for dedicated inertia value
  • Arrangement for vibration sensors
  • Brake system
  • Lubrication system for sleeve bearing

Downloads

  • MXB-E_MJB_MJH Generator Series - Product catalogue - Power generation

  • Marine Motor and Generator Series

  • Motor and Generator - Product catalogue Marine

  • Oil & Gas Motor and Generator Series

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