Generator Services
At Mitsubishi Power, safety is at the forefront of everything we do from our factories to the field. Through our comprehensive generator services, we provide customers with everything from spare parts to outage support, all delivered with our exceptional quality and expertise.
Our skilled outage services team provides comprehensive service, maintenance, and repair for gas turbines, steam turbines, and generators. We use proven, reliable parts to ensure Mitsubishi Power meets our goal of reducing outage durations and increasing profitability for our customers.
Services to Maximize Your Plant's Potential
Our commitment is to the entire lifecycle of your plant
From the construction phase and throughout your long-term service agreement, our team of experts are here to support you. We are dedicated to the reliability, efficiency, and profitability of your equipment for decades to come.
Continuous Technology Enhancement
We know that buying one of our units is more than just an equipment purchase - it's an investment in your future. As the technology progresses, our mature frames benefit from these advancements, ensuring your generation is reliable, flexible, and efficient.
Expertise that You Can Count On
When you invest in a Mitsubishi Power product or service, you are buying more than equipment. You’re investing in peace of mind knowing that your purchase is more than a machine that went through production and assembly – it's the realization of over 150 years of innovation, research, and expertise from people all over the world.
Mitsubishi Power is a full-service provider of generator and cooling components for multiple OEM's. Our parts include but are not limited to:
- Cooling assemblies
- Insulation components
- Generator auxiliaries
Our component repairs span the entire system.
Generator:
- Journal bearings (generator and exciter)
- Oil deflector seals
- Hydrogen seals
Gas Turbine:
- Fuel gas valves
- Journal bearings
- Bearing oil seals
- Thrust bearings
- Starting package: turning gear, aux gear, torque converter, etc.
- Turbine blade rings
- Inter Stage Seal Housings
- Compressor blade rings
Rotor – Electrical Testing:
- Insulation resistance of rotor winding
- Perform Polarization Index
- Rotor winding resistance
- Rotor RSO Test
- Rotor winding AC pole balance test and AC impedance test
- Rotor Turn to Turn Voltage Drop
Stator – Electrical Testing:
- RTD resistance
- RTD insulation resistance
- Insulation resistance of the stator coil and through bolts
- Polarization index on stator winding insulation
- Stator winding resistance of all phases A, B, C (line & neutral sides)
- Overpotential Testing including DC HiPot and DC Leakage
- ELCID test on the core iron
- Tan Delta
- Pole Transposition Voltage Drop (Inner Cooled Units)
Our Excitation System Inspection & Testing includes both slip ring & brush and brushless exciter. On brushless units, we have the capabilities to visually inspect, perform, and resistance test many of the generator components.
Our generator upgrades take into consideration the entire generator system.
- Increased capability with field rewind
- New rated operating point
- Increased capability with stator rewind
For electric utility-sized generators, Mitsubishi Power provides generator specialists to conduct full-scope electrical testing, visual inspections, and specialty tests. We are the authorized service provider for MELCO generators as per customer requirements. We employ trained and skilled experts who approach challenges with the experiences gained from hundreds of successful projects.
Generator Rotor:
- Journals and Collector Rings
- Rotor Coupling
- Blower Hub
- Rotor Slot Teeth
- Rotor Wedges
- Axial Leads and Radial Leads
Generator Stator:
- Core Ring Test
- High Voltage Bushings
- Generator Coolers
- Generator Main Leads
- Grounding Straps
- Air Cooled Generator Building Bolts
- Tan Delta II Testing
- Dusting and Contamination
- Corona
Generator Auxiliaries:
- Seal Oil System
- Hydrogen Gas System
- Isophase System
- Excitation System
Generator Robotics:
- Generator Specifics – Components
- Video Camera
- Stator Wedge Tightness
- EL-CID Testing