There are many more

Single-Burner Combustion TestFurnace

unique research facilities.

The facility is for combustion characteristics evaluationof various fuels for thermal powergeneration and theimprovement of numerical simulation technology for combustion

Thermal Cycling Test Apparatus ofThermal Barrier Coating (TBC)

Thermal Power Feedwater
Treatment Test Equipment

Development of delamination life evaluation method forthermal barrier coating (TBC) on gas turbine hot-gas-path parts

Investigation of the cause of corrosion damage andoptimization of feedwater treatment at thermal power plants

Solid Oxide Electrolysis Cell /Solid Oxide Fuel Cell (SOEC/SOFC) Test Building

Spherical Aberration Corrected Transmission
Electron Microscope : Cs-corrected TEM

Structural Material Strength
Evaluation Test Equipment

Performance and durability evaluation for
SOEC and SOFC

Clariﬁcation of the degradation mechanism ofiron materials used at thermal power and nuclear power plants

Evaluation of strength of various materials
used for thermal power and nuclear power plants

Welcome！
to the place where we make the wonders happen,
which allows you use electric power all the time.

Non-Destructive InspectionEquipment

Atom Probe TomographThree-Dimensional Thermal Hydraulics
Test Facility with High-Energy X-Ray CT System

Development of nondestructive inspection
technology for power generation equipment and virtual
UT (ultrasonic test) system for training UT engineers

3D imaging and chemical composition measurements at
the atomic scale for light water reactor materials

Evaluation of transient boiling ﬂow distribution in reactor
core at high-temperature and high-pressure using ouroriginal two-phase ﬂow measurement techniquePower Semiconductor Fabrication/Evaluation Equipment

Secondary Battery Perfomance Evaluation
Testing Equipment

New Functional Devices
Research Facilities

Evaluation of electric characteristics of power semiconductor
devices applied in the electric power system anddevelopment of next generation SiC power devices

Lithium-ion cell performance evaluation and material
analysis evaluation

Development and application of sensor and energy
harvester for loT societies

Visit our website formore details

High Voltage Hall

Communication Media
Experimental Facility

Air Conditioner Selection Support Tool

Evaluation of long-term reliability of insulation for power
equipment, development of insulation technology for thenext-generation power devices

Evaluation of transmission characteristics of wireless communication
technologies, and research on applicability of highly reliable wirelesscommunication to electric power ﬁelds

This tool assists in selecting the optimal capacity of
an air conditioner based on the houseʼs insulationlevel and climate conditions

Learn more about our facilities

Use the QR code on the left to visit our website for more details

2-6-1 Nagasaka, Yokosuka-shi, Kanagawa 240-0196 T EL: + 81-46- 8 5 6 - 2 1 2 1

Look out, feel, and see
how you are guided tothink something.

Realization ofElectriﬁed Society
Theme B

Welcome to CRIEPI Yokosuka Area!

2050

We take electricity for granted when using it in our daily lives.
Yokosuka Area is a place where you can see, feel, and understand how
electricity is created and delivered to each home and how the application ofelectricity should change in Japan to achieve carbon neutrality in 2050.
Please explore Yokosuka Area located at an extensive site with rich nature!
It is our utmost pleasure to provide an occasion to think and discuss
about electricity in Japan, which will form the future of our country.

Decarbonization ofPower Generation
Theme ACarbon
Neutrality
Stable Supply ofElectric Power
Theme C

Yokosuka Area is ourresearchers' hub tostrive forCarbon Neutrality in 2050.
Recently, we often hear the term “carbon neutrality.”
The trend is transferring from low carbon for reducing greenhouse gas (CO 2 ) to
decarbonization for eliminating CO 2 emission. How can a decarbonization societythat does not generate CO 2 be achieved?
The main points for solutions are the Decarbonization of Power Generation,
Electriﬁcation of Society, and Stable Supply of Electric Power.
Letʼs explore the road to carbon neutrality unfolding in Yokosuka Area!

Central Research Institute of Electric Power Industry

Welcome toCRIEPI YOKOSUKA AREA!
Decarbonization of Power Generation

Stable Supply of Electric Power

Stably supply electricity

Safe and stable provision of electricity for society is important to achieve

electriﬁcation of society. We have been conducting research to limit power
outages caused by natural disasters to the minimum degree and toprovide a stable power supply by supporting power transmission and distribution

Theme A

that is increasingly becoming complex due to the reformation of power generation.

Changing the power generation in Japan

High Power Test Facilities

Development of decarbonization power supply that does not emit CO2,This facilities evaluate and verify the safety andshort-circuit performance in the event of an accident
involving a large current, such as a short-circuit faultof power transmission lines and distribution lines
due to lightning strikes. It consists of a short-circuit
generator, high voltage short-circuit transformers, ashort-circuit test building, and high voltage DC
short-circuit test facilities.

improvement in thermal power generation to reduce CO2 emission,
research for safe and low cost nuclear power generation,and other initiatives.

We are focusing on the energy mix to achieve an environmentallyfriendly, economic, and stable supply of electricity.

Coal Combustion Test Facility
A facility that simulates pulverized coal thermal
power plants used for technology development touse coal in an environmentally friendly method. In
addition to evaluating the flammability and environmental properties of various types of fuel, it is used
to evaluate mixed combustion characteristics of coalwith biomass, ammonia, and other materials anddevelop the optimum combustion technology.

EnergyWin(General Purpose Program for Power
Generation System Thermal Efficiency Analysis)

Thermal efficiency calculation for power plants,
which are complex systems consisting of multiple
facilities, requires the repetition of difficult convergent calculations. This analysis software assistsin the thermal efficiency calculation of power
generation systems and contributes to improving
the plant’ s reliability and reducing operation
costs.

Pipe Wall Thinning Test Facilities

Theme CLong Length XLPE Cable
Deterioration Test Facility

Coal Gasification Test Facility

XLPE(crosslinked polyethylene insulated) cable is designed 30years as its lifetime, and some XLPE cable have been operating more than 30 years nowadays. This facility evaluates theelectrical insulation performance of such XLPE cables inlong-term operation to detect causes of insulation deterioration,and understand their electrical insulation capabilities. Theresults obtained have been directly applied to the planning ofmaintenance and renewal of aged XLPE cables.

3 ton/day coal research gasifier is bench scale gasifier
which used for developing an air blown IGCC (Integratedcoal Gasification Combined Cycle power generation).
Currently, we are developing O2/CO2/H2O gasification
technology that uses multiple fuels such as a coal, a waste
plastic and a biomass for a new polygeneration system
and CCUS (Carbon Capture Utilization and Storage).

CPAT®
Component Creep Test Facility

Achieve electrification
Theme Bof society

World’s largest facility to investigate damages in thepiping of power plants. It is used to measure theprogression of deformation and damage until failurefor large diameter pipes used in power plants and toconduct demonstration research of diagnostic
technologies such as the life assessment methods
and the nondestructive inspection methods.

Evaluation Facility for
Residential Heat Pumps

Fluid Leakage Experiment for
The Influence on Personnel andSurrounding Equipment by Pipe Failure

A facility to reproduce pipe thinning phenomenon(progression of corrosion and erosion (mechanicaldamage) enhanced by a flow of water or steam) in
power plants. Prediction software for optimization ofpipe wall thinning management in power plants isestablished by performing wall thinning experiments
under various flow velocities, water quality, materials, and other factors.

Equipment to visualize water/steam leakage behavior when piping is fractured at power plants. It establishes the leakage range prediction method by
optically measuring the water/steam blowout behavior at pipe fracture, and through tests under different
pipe sizes, fracture forms, pressures, temperatures,and other conditions.

Stress Corrosion Cracking Testing
Facility for Environment ofHigh Temperature Water

Biomass CarbonizedFuel
Production Test Facility

A facility to identify the growth rate of stress corrosion cracking (SCC) generated in the core structure
and piping of nuclear power plants. Equipment that
can handle large test pieces composed of devices
to measure SCC crack growth rate with highaccuracy. It is used to obtain crack growth characteristics with evaluation items of material, environment, and mechanical conditions.

To support the higher use of biomass for coal
thermal power generation to reduce the CO 2emission volume, this facility performs tests toevaluate the methods and safety for producing
biomass carbonized fuel suitable for mixed combustion with coal, and for reducing energy consumption
during the production phase.

This facility performs a highly accurate evaluation by
reproducing various outdoor air temperature and hot-water supply load conditions to evaluate the performance
mainly of residential heat pump water heaters. It contributes to promoting energy saving in the water heater field
by using it to examine an appropriate energysaving
performance evaluation and to create standards.

Move society forward byusing electricity to themaximum degree
To achieve carbon neutrality, reformation tothe electriﬁcation of society is necessary in addition tochanging the power generation methods. Research isunderway to use electricity as much as possible to movesociety forward and reform it to achieve electriﬁcation of(CRIEPI’s Power System Analysis Tools)

Advanced integrated software package for RMS
analysis of electric power system. It has been used
for power system planning and operation since1980, and contribute to realization of stable supply
in Japanese electric power system, which is globallyknown for its high reliability.

High Voltage Insulation
Test Building
The central facility for high-voltage
high voltage tests andresearch to establish the insulation performance
maintenance standard for electric power equipment.
Dielectric strength test and contamination withstandvoltage test in fog and water exposure conditions
can be performed in full scale using 500 kV classpower equipment and insulator, which is the highest
transmission voltage in Japan.

Advanced Distribution
Grid Test Building
It is composed of testing facilities to solve issues in
power quality, interference between control equipment, protection coordination, public safety, andothers considering major changes such as theincrease of renewable energy, smart distribution
systems, and electricity deregulation.

CALDG®

(Comprehensive Analysis Tool for Distribution
System with Distributed Generations)

A digital tool to examine voltage adjustment. Electricity isdelivered after the voltage is adjusted appropriately
according to the location and use. However, voltage
adjustment for the major introduction of renewableenergy and with EVs and storage batteries connected tothe distribution line becomes extremely complex.
CALDG enables accurate analysis for complex voltage
adjustment and supports the decarbonized society.

XTAP®

(Xpandable Transient Analysis Program)

A computer program for the waveform level simulation of power systems. It is used for various types ofsimulations necessary for maintaining and improving the power quality. In Japan, all utility companies
use XTAP as their standard tool, and major manufactures, universities and research institutes form auser community.

society that does not generate CO2.

Research and Development
Facility for Industrial andCommercial Heat Pumps
This facility conducts experiments to understand thecharacteristics of heat pumps as a result of changes inheat use and operating temperature, and to evaluate
the applicability of new low GWP refrigerants tohightemperature heat pumps. It contributes to promoting the use of high performance heat pumps forindustrial heating and commercial hot water supply.

Air Heat Exchanger Test
Facility for Heat Pumps(Frost-Free Heat Pumps Research Facility)

This facility is designed to test fundamental
characteristics of air heat exchangers, including
heat transfer characteristics, frosting/defrosting
characteristics, and adsorption/desorption characteristics. It contributes to develop technologies toimprove the energy efficiency of air-source heatpumps used for water heating, space heating,refrigeration, air conditioning, et al.

Wireless Power Transfer
Technologies for wireless power transfer are developed to support automated power transfer for EVs(eElectric Vehicles). Solutions for power transfer
interoperability, electromagnetic compatibility,
protection from electromagnetic field, and otherissues are researched.

loT Laboratory
Our team support the digital transformation of theelectric power industry by applying loT. We aredeveloping and evaluating various analysis technologies that utilize data and technologies that capturesigns of aging and abnormalities in equipment.

NRRC, Risk Assessment Research TeamThe Nuclear Risk Research Center (NRRC) conducts cross-ﬁeld research and implementation support with a mission to assistelectric utilities in their eﬀort to improve the safety of nuclear facilities by developing the methods of probabilistic risk
assessment (PRA), risk informed decision making and risk communication. In Yokosuka Area, state-of-the-art PRA technolo-

gy has been developed to assess risks of external hazards, equipment failure and human failure events in nuclear facilities,
alongside with the methodology of risk communication based on risk information.