Products and engineering services
Technologies to support stable plant operations
We provide maintenance services that contribute to long-term stable plant operations and improvements on the energy availability factor.
Identify a plant status and detect errors early.
Underwater inspection robot
Its small body allows it to inspect narrow regions.
![Underwater inspection robot](/content/dam/toshiba/migration/energysolution/ess/en/nuclearenergy/image/03-04-002.jpg)
Ultrasonic Vibrometer
The meter achieves high accurate diagnostics with ultrasonic waves.
![Diagnostic device for motor-operated valves and valve stems](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-003.jpg)
Diagnostic device for motor-operated valves and valve stems
Ultrasonic waves and electric current and voltage sensors detect the degraded performance of valves.
![Monitoring/inspection technologies to fully understand the plant's operation status and identify abnormalities in their early stages](/content/dam/toshiba/migration/energysolution/ess/en/nuclearenergy/image/03-04-004.jpg)
Repairing and reinforcing technologies
Underwater laser beam welding equipment
Underwater laser beam welding repairs reactor pressure vessels and nozzles, etc.
![Underwater laser beam welding equipment](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-005.jpg)
Articulated arm-type equipment
The equipment makes repairing tools accessible to the bottom sections.
![Articulated arm-type access equipment](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-006.jpg)
Preventive maintenance technologies for a long operation
Laser peening technology
The laser peening technology improves residual stresses on the material surfaces.
![Laser peening technology](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-007.jpg)
Overhaul in regular inspections
Planning outage maintenance in advance based on customer specifications and our proposal for improvements (removing FMCRD).
![Overhaul at regular inspections](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-008.jpg)
Improving performance for upgrade and replacement technologies
Turbine performance improvement
The plant output is improved by the replacement of the turbine.
![Improving the performance of the turbine](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-009.jpg)
Electrical generator repairing
Rewinding the stator coil makes the generator's performance secure, which achieves safe operations.
![Overhaul in periodical inspections](/content/dam/toshiba/migration/energysolution/ess/nuclearenergy/image/03-04-010.jpg)