MJR - MJHR

SERIES: MJR (Low Voltage) / MJHR (Medium Voltage)
POWER: Up to 13500 kVA
VOLTAGE: Up to 15000 V
FRAME: 315 – 1250
POLES: 4 to 12
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 (Low Voltage) / Vn <= 6900 V: MGC I up to 560; MGC II above, Vn > 6900 V: D-Vo Light (Medium Voltage)
BEARINGS: antifriction or sleeve (on request)
APPLICATIONS: Power Generation, Cogeneration, Steam and Gas Turbine
STANDARDS: IEC 60034-1 – BS 4999-5000 – NEMA MG 1.32
CERTIFICATIONS: UL/CSA certification available on request

Main Options:

• Flanged shaft for direct coupling with engine flywheel (in case of single bearing solution)
• Reinforced construction for high linear vibrations
• Neutral point terminals in separate terminal box
• Raised feet to match engine baseframe dimensions (B20 – IM1101)
• Dedicated current transformer installed on neutral point (differential protection and measurement)
• Insulated bearing and earthing brush
• Excitation/overboosting PMG mounted on generator
• Arrangement for rotor earth fault protection 64R
• Arrangement for vibration sensors