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Marelli Motori S.p.A.
Marine applications Selection guide

Marine applications Selection guide

Product catalog summary

Vision and Mission
Our vision is to become the global market leader in electric rotating machines across all core markets. Our mission is to support the sustainable growth of our customers by providing innovative solutions tailored to their specific needs, leveraging our technical expertise to enhance competitiveness, efficiency, and productivity globally.

Motors
The document outlines various motor types used in marine applications, including TEWAC, ODP, TEWC, and TEFC motors. Each motor type is detailed with specifications such as power, voltage, frame size, and cooling methods. The B4V model, for instance, offers power up to 10,000 kW and voltages up to 15,000 V, suitable for applications like propulsion and dredge pumps.

Generators
Similar to motors, the document provides a range of generators, including TEWAC, ODP, and TEAAC types. Each generator type is described with its specific applications and technical specifications.

Selection Table
A selection table is provided to assist in choosing the appropriate motor or generator based on specific marine application needs, such as propulsion, thrusters, and auxiliary systems.

Technical Specifications
Detailed technical specifications are provided for each motor and generator model, including output, speed, torque, current, efficiency, power factor, sound pressure level, inertia, and weight. These specifications are crucial for selecting the right equipment for specific marine applications.

Overview: The document provides detailed specifications for MJHRM and MJHM series high and medium voltage generators, designed for marine applications. These generators are categorized by frequency (50 Hz and 60 Hz), number of poles, and voltage levels.

Specifications: The generators are available in various configurations, including 4, 6, 8, and 10 poles, with power ratings up to 11,000 kVA and voltages up to 15,000 V. The document lists specific models with their power ratings, efficiency percentages, moment of inertia, and weight. Efficiency ranges from 93.1% to 97.1% depending on the model and configuration.

Cooling and Protection: The generators feature different cooling methods, such as Totally Enclosed Water to Air Cooled (TEWAC) and Open Drip Proof (ODP). They offer protection levels up to IP 44 with filters.

Applications: These generators are suitable for propulsion, shaft, hybrid, auxiliary, off-shore, and variable speed applications.

Recommendations: For specific power and speed requirements not listed, customers are advised to contact Marelli Motori for further assistance.

Overview: The document provides detailed specifications for MJHM and MJRM series generators, focusing on high and medium voltage applications across various frequencies and pole configurations. It includes data on power ratings, efficiency, moment of inertia, and weight for different models.

High Voltage Generators (MJHM):

60 Hz - 4, 6, 8, and 10 Poles: The document lists models such as MJHM 450 LA6, MJHM 500 MA6, and others, with power ratings ranging from 466 kVA to 12650 kVA. Efficiency varies from 94.3% to 96.7% depending on the model and configuration.
Specifications: Each model's specifications include the number of leads, power rating, efficiency, moment of inertia, and weight. Some data is marked as 'on request', indicating custom configurations or additional details available upon inquiry.

Medium Voltage Generators (MJHM):

50 Hz - 4, 6, 8, and 10 Poles: Models like MJHM 400 MA4 and MJHM 710 MB4 are detailed, with power ratings from 523 kVA to 4570 kVA. Efficiency ranges from 94.1% to 96.6%.
60 Hz - 4, 6, 8, and 10 Poles: Similar specifications are provided for models operating at 60 Hz, with power ratings and efficiencies comparable to the 50 Hz models.

Low Voltage Generators (MJRM):

50 Hz - 4, 6, 8, and 10 Poles: The MJRM series includes models like MJRM 250 MA4 and MJRM 710 LB8, with power ratings from 130 kVA to 5400 kVA. Efficiency is noted to be between 91.7% and 96.9%.
Applications: These generators are suitable for propulsion, shaft, hybrid, auxiliary, offshore, and variable speed applications.

General Notes:

For models not listed, Marelli Motori should be contacted for additional configurations or custom solutions.
The document emphasizes the availability of Open Drip Proof (ODP) and Totally Enclosed Water to Air Cooled (TEWAC) configurations, highlighting their suitability for marine applications.

Overview: This document provides a detailed selection guide for Marelli Motori's MJVM series of low voltage generators, specifically designed for marine applications. It includes specifications for various models, focusing on power ratings, efficiency, and physical characteristics.

Specifications: The MJVM series generators are available in different configurations based on voltage (50 Hz and 60 Hz) and pole numbers (4 and 6 poles). The power ratings range from 103 kVA to 3111 kVA, with efficiency levels reaching up to 96.5%. The generators are designed for continuous duty with a power factor of 0.8.

Key Features: The generators are Totally Enclosed Air to Air Cooled (TEAAC) and have an IP rating of up to IP 56, making them suitable for offshore and emergency applications. They support a wide range of frame sizes and cooling methods.

AVR Selection: The document includes a selection table for Automatic Voltage Regulators (AVRs), detailing both analogue and digital options. Features such as voltage sensing, remote control, and standard protections are highlighted.

Contact Information: The document provides contact details for Marelli Motori's offices across various regions, including Italy, Germany, UAE, Malaysia, UK, South Africa, Spain, and the USA.

Catalog excerpts

Inspired solutions Marine applications Selection guide

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Marine applications • Selection guide Our vision To become the global market leader of electric rotating machines in all our core markets. Our mission Our mission is to aid the sustainable growth of our customers’ businesses. We will provide innovative solutions inspired by relentless efforts to understand our customers’ needs and their specific applications. We will leverage our extensive technical knowledge, product performance and service to increase the competitiveness, efficiency and productivity of our partners worldwide.

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Marine applications • Selection guide Fi-Fi System Dredge Pumps TEWAC - Totally Enclosed Water to Air Cooled ODP - Open Drip Proof TEWC - Totally Enclosed Water Cooled TEFC - Totally Enclosed Fan Cooled

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TEWAC motors Totally Enclosed Water to Air Cooled Main applications Propulsion, dredge pumps, winch, hybrid machine, PTO-PTI system Other applications Thrusters, Fi-Fi system, auxiliaries Power Factor Sound Current

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Marine applications • Selection guide B4V - 11.000 V - 50 Hz - 8 POLES Model Power Factor cosφ Sound Current Level ls/ln

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 11.000 V - 60 Hz - 10 POLES Model Power Factor cosφ Sound Current Level ls/ln

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor cosφ Sound Current Level ls/ln

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Marine applications • Selection guide B4V - 6.600 V - 50 Hz - 6 POLES Model Power Factor Sound Current

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 6.600 V - 60 Hz - 6 POLES Model Power Factor cosφ Sound Current Level ls/ln

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 3.300 V - 50 Hz - 6 POLES Model Power Factor cosφ Sound Current Level ls/ln

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 3.300 V - 60 Hz - 6 POLES Model Power Factor Sound Current

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 690 V - 50 Hz - 8 POLES Model Power Factor Sound Current

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TEWAC motors Totally Enclosed Water to Air Cooled Power Factor Sound Current

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Marine applications • Selection guide B4V - 690 V - 60 Hz - 8 POLES Model Power Factor Sound Current

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ODP motors Open Drip Proof Main applications Thrusters, Fi-Fi Other applications Small Propulsion Power Factor Sound Current

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Marine applications • Selection guide

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ODP motors Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide Open Drip Proof Power Factor Sound Current

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Power Factor Sound Current

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 6600 V - 60 Hz - 8 POLES Model Power Factor Sound Current

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 3300 V - 50 Hz - 8 POLES Model Sound Current

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 3300 V - 60 Hz - 8 POLES Model Power Factor Sound Current

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 690 V - 50 Hz - 6 POLES Model Power Factor Sound Current

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Power Factor Sound Current Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 690 V - 60 Hz - 6 POLES Model Power Factor Sound Current

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Power Factor Sound Current

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Marine applications • Selection guide C3M - C4M - 690 V - 60 Hz - 10 POLES Model Power Factor Sound Current

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ODP motors Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C4W Open Drip Proof

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ODP motors Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide ODP motors Open Drip Proof Power Factor Sound Current

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ODP motors Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C4W Open Drip Proof

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide C3W - C4W - 690 V - 50 Hz - 6 POLES Model Power Factor Sound Current

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Open Drip Proof Power Factor Sound Current

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Marine applications • Selection guide Model Output Speed Torque Current Efficiency Current Torque Torque Pressure Inertia Weight Tn In 1 costp Is/In Ts/Tn Tmax/Tn Lpa costp Is/In Ts/Tn Tmax/Tn Lpa costp Is/In Ts/Tn Tmax/Tn Lpa

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Inspired solutions TEWC motors Totally Enclosed Water Cooled Main : Propulsion, thruster, dredge pump, hybrid applications j machine, PTO-PTI system Model Output Speed Torque Current Efficiency Current Torque Torque Pressure Inertia Weight costp Is/In Ts/Tn Tmax/Tn Lpa

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Marine applications • Selection guide B4JH - B5JH - 6.600 V - 50 Hz - 6 POLES Model Power Factor Sound Current

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TEWC motors Totally Enclosed Water Cooled Power Factor Sound Current

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Marine applications • Selection guide B4JH - B5JH - 6.600 V - 60 Hz - 8 POLES Model Power Factor Sound Current

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TEWC motors Totally Enclosed Water Cooled Power Factor Sound Current

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Marine applications • Selection guide B4JH - B5JH - 3.300 V - 50 Hz - 8 POLES Model Power Factor Sound Current

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TEWC motors Totally Enclosed Water Cooled Power Factor Sound Current

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Marine applications • Selection guide TEWC motors Totally Enclosed Water Cooled Power Factor Sound Current

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Marine applications • Selection guide B4J - B5J - 690 V - 50 Hz - 8 POLES Model Power Factor Sound Current TEWC motors Totally Enclosed Water Cooled Power Factor Sound Current

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Marine applications • Selection guide B4J - B5J - 690 V - 60 Hz - 6 POLES Model Power Factor Sound Current

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TEFC motors Totally Enclosed Fan Cooled Main applications Auxiliaries, Fi-Fi system Other applications Power Factor Sound Current

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Marine applications • Selection guide B5M - 6.600 V - 50 Hz - 4 POLES Model Power Factor Sound Current

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All Marelli Motori S.p.A. catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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