MarelliMotori Series Generators Oil & Gas MJB – MJH

Introduction

The MarelliMotori MJB-MJH is a series of generators specifically designed to meet high and stable power requirements in harsh industrial environments, such as the oil and gas industry. With rugged construction and advanced features, these generators have become a popular choice for companies in the energy sector.

Key Advantages of MJB-MJH Series Generator

  • Reliable Performance: This generator is capable of operating in extreme conditions, including high temperatures, high humidity, and strong vibrations. This is thanks to its robust design and the use of high-quality materials.
  • High Efficiency: The high efficiency of this generator helps reduce fuel consumption and running costs.
  • High Reliability: With carefully selected components and rigorous production processes, this generator offers high reliability and long run times.
  • Optimal Protection: Comprehensive protection features, such as inlet and outlet filters, as well as a current transformer attached to the neutral point, ensure the generator is protected against various abnormal conditions.
  • High Flexibility: The generator can be customized to suit various power requirements and system configurations, making it suitable for a wide range of applications in the oil and gas industry.

MJB-MJH Series Generator Applications

MJB-MJH series generators are widely used in various applications in the oil and gas industry, including:

  • Emergency power generation: As a backup power source during a power outage.
  • Main power generation: To meet the main electrical power needs in remote or hard-to-reach locations.
  • Cogeneration: To generate electricity and heat simultaneously, improving energy use efficiency.

Key Technical Features

  • Rugged construction: Designed to withstand vibration and harsh environmental conditions.
  • IP44 protection: Protects the generator from dust and splashing water.
  • Raised legs: Makes installation and maintenance easy.
  • Current transformer: For differential protection and metering.

Key Technical Features

  • Sturdy Construction: Uses high-quality materials and robust mechanical design to withstand vibration and harsh environmental conditions.
  • Effective Cooling System: Prevents overheating and ensures optimal performance in the long run.
  • IP Protection: Protects the generator from dust and water ingress, making it suitable for use in exposed environments.
  • Class H Insulation: Guarantees longer life and resistance to high temperatures.
  • Easy Connectivity: Equipped with easy-to-access connection terminals, making installation and maintenance a breeze.
MarelliMotori Series Generators Oil & Gas MJB - MJH
MarelliMotori Series Generators Oil & Gas MJB – MJH

Technical Features

SERIES: MJB (Low Voltage) / MJH (Medium Voltage)
POWER: Up to 15000 kVA
VOLTAGE: Up to 15000 V
FRAME: 315 – 1250
POLES: 4 to 12
FREQUENCY: 50/60 Hz
PROTECTION DEGREE (IP): 23 (up to 44 on request)
COOLING METHOD (IC): 01
AMBIENT TEMPERATURE: -15°C to +60°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, Stand-by/Emergency, UPS, Data center
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
  • Inlet and outlet filters for increased protection degree up to IP44
  • 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

Care and Maintenance

To maintain optimal generator performance, regular maintenance is necessary. Some things that need to be considered are:

  • Oil level check: Make sure the oil level is always maintained for proper lubrication.
  • Air filter cleaning: A dirty air filter can reduce cooling efficiency and cause damage to the engine.
  • Wiring connection check: Ensure that all cable connections are tight and there is no damage.
  • Replacement of worn parts: Replace worn or damaged parts at regular intervals.

Kesimpulan

Generator seri MarelliMotori MJB-MJH adalah pilihan yang sangat baik untuk memenuhi kebutuhan daya di industri minyak dan gas. Dengan keandalan, efisiensi, dan fleksibilitas yang tinggi, generator ini merupakan investasi yang sangat menguntungkan dalam jangka panjang.

Source: www.marellim

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