Generators

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Mitsubishi Power provides turbine generators that employ a range of cooling systems, such as air cooling, hydrogen cooling, as well as water/hydrogen cooling generators. We design and manufacture unique generators (such as short-circuit generators) and provide expertise for an array of customer needs.

Product Lineup

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The turbine generators with the optimum generating capacity and cooling method can be selected based on customer needs (efficiency, dimensional restrictions, voltage) and plant output.

Specifications

RG-Z Series

Water/Hydrogen Cooled Generators
Capacity: 500-1,400 MVA
Voltage: Up to 27kV
Power Factor: 0.8 (lagging) - 0.9 (leading)

RG-Y Series

Hydrogen Cooled Generators
Capacity: 250 -900 MVA
Voltage: Up to 24kV
Efficiency: High (at least 99%)

RG-X Series

Air Cooled Generators
Capacity: Up to 350 MVA
Voltage: 10-24kV
Construction: Fully Enclosed Type / Open Type

RG-N Series

Generators for Nuclear Power Plants
Capacity: 500 - 2,000 MVA
Voltage: Up to 27kV

Generators for Special Application

Short-circuit Generators
Synchronous Condenser
Generators for MG set

RG-Z Series
RG-Y Series
RG-X Series
RG-N Series
Special Generators

Overview

Water/ Hydrogen cooled turbine generators are primarily used in thermal power plants with output of at least 600 MW that require high reliability and long-term continuous operation.

Features

High reliability with support for long-term continuous operation
Technology for higher capacities (1,400 MVA class)
Supports gas turbines, steam turbines and combined cycle turbines

Specifications

Generator Capacity	500-1,400 MVA
Voltage	Up to 27kV
Applicable Standards	IEC 60034, IEEE C50.13, JEC-2130
Insulation Class	155 (F) or 130 (B)
Excitation System	Static
Options	Supports outdoor installation, transportation by freight car and leading power factor operation (power factor of 0.8)

Overview

Hydrogen cooled turbine generators enable high capacity and highly efficient operation by using hydrogen gas, with its superior cooling features, as the coolant inside the generator. We also supply the gas control system and seal oil system needed when handling hydrogen gas together with the product, offering the set as a total system that boasts excellent maintainability.

Feature

High Efficiency (at least 99% possible)
Technology for higher capacities (900 MVA class)
Supports gas turbines, steam turbines and combined cycle turbines

Specifications

Generator Capacity	250 - 900 MVA
Voltage	10 to 24kV, or specified voltage
Applicable Standards	IEC 60034, IEEE C50.13, JEC-2130
Insulation Class	155 (F) or 130 (B)
Excitation System	Static
Options	Supports outdoor installation, transportation by freight car, leading power factor operation : 0.8

Overview

The air cooled turbine generator features excellent maintainability, has few limitations on installation location and is used by a diverse range of customers.

Moreover, to meet specific customer needs we can improve capacity or efficiency, produce low-noise operation or adopt specifications for cold regions, and also provide either an open type or fully enclosed type (CACA: closed air circuit air cooled, TEWAC: totally enclosed water to air cooled).

Features

Supports open type and fully enclosed types (CACA, TEWAC)
Supports high efficiency (at least 98.5%)
Supports low-noise operation (80dBA)

Specifications

Generator Capacity	Up to 350 MVA
Voltage	10 to 18kV, or specified voltage
Applicable Standards	IEC 60034, IEEE C50.13, JEC-2130
Insulation Class	155 (F) or 130 (B)
Excitation System	Brushless
Options	Permanent magnet generator, Static Exciter, Leading power factor operation : 0.8

Overview

Turbine generators for nuclear power plants demand the highest levels of reliability. Based on our track record in generator performance, Mitsubishi Power can apply the latest technologies to provide capacities up to the 2,000 MVA class.

Features

High reliability
Technology for higher capacities (2,000 MVA class)
Proposal and implementation of long-term operational plans

Specifications

Generator Capacity	500 - 2,000 MVA
Voltage	Up to 27kV
Rotational Speed	1,500 min^-1, or 1,800 min^-1
Applicable Standards	IEC 60034, IEEE C50.13, JEC-2130
Insulation Class	155 (F) or 130 (B)
Excitation System	Static

Overview

Using technologies developed in turbine generators for thermal power plants, Mitsubishi Power is able to design and manufacture generators for special applications.

Mitsubishi Power has established a track record of delivering short-circuit generators to research institutions and manufacturers. These generators intentionally produce short circuits and utilize the large currents produced by short circuits as a way to test and verify electrical equipment.

Synchronous condensers use generators to control reactive power with the aim of contributing to system stability.

MG (Motor-Generator) set is used as a variable-speed power source for the recirculation pump of a nuclear reactor, enabling safe shutdown of the reactor in the event of a power loss.

Features

Short-circuit generator for testing equipment
Synchronous condensers for reactive power control
Generators for MG set used as a recirculating pump power supply for a nuclear reactor

Specifications

Generator Capacity	Optional
Rotational Speed	Designated speed
Applicable Standards	IEC 60034, IEEE C50.13, JEC-2130
Insulation Class	155 (F) or 130 (B)

Generator Services

From providing parts, component repairs, and inspections to designing and providing complete overhauls, we have the experience and knowledge to support your needs. 

Explore our Service Offerings

Track Record of Delivery

Mitsubishi Power has delivered more than 1,000 turbine generators worldwide to date. Our operational track record has earned a reputation for reliability.

Realizing Outstanding Reliability and Efficiency with Proven Technologies

Mitsubishi Power possesses dependable technologies that achieve high levels of reliability and performance with the application of analysis and verification systems. They are backed up by an extensive operating track record along with the latest technologies.