Your SlideShare is downloading. ×
  • Like
The latest Greenbuildings and Technologies in Japan
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×

Now you can save presentations on your phone or tablet

Available for both IPhone and Android

Text the download link to your phone

Standard text messaging rates apply

The latest Greenbuildings and Technologies in Japan

  • 298 views
Published

visit: www.globalenergybasel.com

visit: www.globalenergybasel.com

Published in Technology , Business
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Be the first to comment
    Be the first to like this
No Downloads

Views

Total Views
298
On SlideShare
0
From Embeds
0
Number of Embeds
3

Actions

Shares
Downloads
18
Comments
0
Likes
0

Embeds 0

No embeds

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
    No notes for slide

Transcript

  • 1. The latest green(Low emission) Buildings and technologies, in Japan Feb.21st. 2012. Yasuo Miyazaki Managing Officer Shimizu Corporation(C)Copyright 2012 Shimizu Corporation. All rights reserved. 0
  • 2. Agenda1.The changed requirements for green building by the Great East Japan earthquake on 3.11, 2011.2.The latest green buildings in Tokyo.3.The latest technologies for green building and community.4.Disaster-Resistant and eco-friendly society - from building to community(C)Copyright 2012 Shimizu Corporation. All rights reserved. 1
  • 3. 1.The changed requirements for green building by the earthquake on 3.11, 2011. ■ Summary of Damage caused by the 3.11 Earthquake Complex Damage New Required Countermeasures • buildings complied with earlier quakeproof standards  The Great East Japan Earthquake of Massive • non-structural parts and materials (e.g,. March 11, 2011, and its aftermath exhibited earthquake ceilings, walls, facility pipes, and machinery) the following: (Magnitude • liquefaction 9.0, connecting six • long-period seismic tremors (1) Massive 9.0-magnitude earthquake hypo-central regions) Construction/civil- connecting six hypo-central regions engineering (2) Unprecedented massive tsunami • Hardware: Breakwaters, tide embankments (3) Damage to nuclear power plants resulting Tsunami • Software: Safe evacuation locations (elevated ground and shelter buildings) and evacuation training/drills in power shortages (Max. height more than 15 m)  Future facilities and communities will seek Energy to ensure a basic performance Power shortages • Power-saving in ordinary times (eco) that is grounded on new ways of thinking. (Damage to nuclear • Self-supporting energy system in the event of emergencies power plants) (BCP) • Improving nuclear power plant safety(C)Copyright 2012 Shimizu Corporation. All rights reserved. 2
  • 4. 1.The changed requirements for green building by the earthquake on 3.11, 2011. ■Today’s needs for green building Ordinary Times Emergency Time eco BCP (Low emission) QOL Energy saving Countermeasures LIFE &BUSINESS with personal against massive Before 3.11 Quality of life comfort earthquakes and DEFENSE Tsunami eco BCP SMART ENERGY MANAGEMENT Electric Self- Energy power supporting ENERGY After 3.11 Electric power saving energy INDEPENDENCE (kw and system kwh)(C)Copyright 2012 Shimizu Corporation. All rights reserved. 3
  • 5. 2.The latest green buildings in Tokyo. ■Shimizu Head Office (eco + BCP) ■ECO(energy saving with comfortable) ■BCP Earthquake level 2012 ▲50% ~55% for countermeasure 2015 ▲60% ~65% Original : (M7.3) Hybrid exterior panels ▲4% Revised : (M9.0) Eco-friendly external panels integrate the Protect building following functional elements: • Building structural frame • Seismic Isolation system • Solar panels • Seismic panels Keep building functions Task and ambient air conditioning ▲12% • power: Micro-grid Integrated control of the following systems creates comfortable • water: 3days storage tank room environments: •sewerage: 3days storage tank • Ambient air conditioning (full-surface radiant ceiling panels) •communication system: wireless • Humidity control air conditioning (desiccant air conditioners) system • Task air conditioning (personal floor vents) Task and ambient lighting ▲17% For unable to return home people Tapping the following alternatives will cut CO2 dramatically: • Keep space (4000 Persons) • Sunlight (solar panels, use of daylight) • Storage: food /water /temporally toilet • Optimal controls (automatic sensor-based /banquet /small generator /shower adjustments, on/off controls) /bicycles /etc. • Higher efficiency (LED lighting) Carbon-half building ■Energy management with Micro Grid system ▲2% Shimizu’s new head office (Scheduled for completion Techniques and technologies to reduce CO2 emissions, and power saving and energy independence. in Summer 2012) • renewable energy(PV) and battery(Micro-Grid) • Optimal equipment controls based on load forecasts • Demand response controls(C)Copyright 2012 Shimizu Corporation. All rights reserved. 4
  • 6. 2.The latest green buildings in Tokyo. - Shimizu Head Office - ■Hybrid exterior panels ▲4% Solar Canopy (horizontal, vertical) Solar panels Low-E double-glazed ceiling glass solar panel shading Rib gradation blind 600 Seismic panels Low-E double-glazed floor Structure glass (exterior) 900 Northwest Northeast Southwest Southeast thin-film solar panels polycrystalline solar panels 2,000 ㎡ Solar Panels (PV)(C)Copyright 2012 Shimizu Corporation. All rights reserved. 5
  • 7. 2.The latest green buildings in Tokyo. - Shimizu Head Office - ■Task & Ambient HVAC ▲12% Ambient Air Conditioning - Low Carbon and Comfortable Temperature by Radiant Ceiling Panel - Improvement of Workplace Productivity Humidity Humidity Conditioning - Effective use of city waste heat Air quality by Desiccant - Higher efficiency of DHC system Dehumidifier Comfortable Task Air-Conditioning Chiller Exhaust heat Workplace Air Flow by Personal Spot DHC Hot water Diffuser Other Chilled water (supply) Cold water (return) customers Hybrid Radiation Panels Radiation Ceiling Panels Cold water (extreme temperature difference) Personal Spot Diffuser Conditioned air Dehumidification Heater Drying-Out. Desiccant Desiccant Dehumidifier Air-Cond.(C)Copyright 2012 Shimizu Corporation. All rights reserved. 6
  • 8. 2.The latest green buildings in Tokyo. - Shimizu Head Office - ■Task & Ambient LED Lighting system ▲17% Task & Ambient Lighting: LED lighting control by illumination sensors and human-motion sensors Daylighting: Gradation Blind and Shading Rib Ambient Lighting (5W/m2) Daylighting Daylighting LED Lighting Task Lighting (2W/m2) Daylighting LED Lighting LED Lighting Daylight Shading Rib Office 事務室 Gradation blind(C)Copyright 2012 Shimizu Corporation. All rights reserved. 7
  • 9. 2.The latest green buildings in Tokyo. - Shimizu Head Office - ■Micro-Grid system ■Shimizu’s CO2 reduction scenario  Installed at Shimizu’s New Head Office & result in Head Office • 2000 m2 of solar panels installed ... 150-kW Micro-Grid combining solar power generation and storage batteries • Leveling the power draw ... Reducing peak power use by storing electricity at night, drawing power from batteries, and combining the use of solar power during daylight hours Micro-Grid system battery Solar power generation Nighttime Daytime Charging storage batteries Cutting contracted using low-cost nighttime electric power use power Electric company New Head Office(C)Copyright 2012 Shimizu Corporation. All rights reserved. 8
  • 10. 3.The latest technologies for green building and community. ■Personal environment control - energy saving - ・When a person carrying ID Tag to be designate in the barrier space, HAVC & Lighting will be controlled depending on the personal’s preference record in ID Tag ・In this summer; Lighting energy consumption was decreased 76% from last year individual light ON Individual light ON individual light OFF (Preference illumination) (Preference illumination) ID Tag carrying by person Control Barrier line Personal task space No existing Stop Personal diffuser(C)Copyright 2012 Shimizu Corporation. All rights reserved. 9
  • 11. 3.The latest technologies for green building and community.■Demand response & Thermal storage and battery – electric Power peak shift & cut - ・In this summer: Peak reduced by 37%, Consumption reduced by 6% (Shimizu Institute of Technology)Power peak shift : Load predicting 2011 Summer: power shifted peak 2010 Summer(August): power peak control system Power ・Accuracy power load to be predicted depending on the weather forecast, etc. Thermal ・Thermal storage and Batteries are controlled Consumption Chiller based on the predicted load to shift and down operation Storage the power peak 2011 Summer storage amount 2010 Summer storage amount under Predicting controlPower peak cut : Demand response control system ・In the event of further power supply shortage, specified HAVC machines to be Air conditioning area A Air Air Air Air conditioning conditioning conditioning conditioning area B area A area B area A stopped depending on the pre-study Air Air Air Air Air conditioning schedule, to cut the power peak. area B conditioning conditioning conditioning conditioning area A area B area A area B(C)Copyright 2012 Shimizu Corporation. All rights reserved. 10
  • 12. 3.The latest technologies for green building and community. ■Micro-Grid system for power saving and energy independency  Summer of 2011: Cut peak use by 36% and total use by 30% Power savings at 12 experimental facility buildings at the Shimizu Institute of Technology, assuming a small community in the city  Energy independence: Demonstration featuring 72 hours of continuous and independent operation  Reducing renewable energy fluctuation impact to the power grid A small-scale energy supply system that provides optimal supply of electricity and heat to multiple Micro-Grid buildings through automatic controls of multiple power- generation units including renewable energy sources and batteries, Integrated control system Waste-heat use Waste-heat recovery Gas engine Waste-heat 350 kW absorption chiller Generation Gas engine 90 kW Nickel hydride battery Storage 100 kW (80 kWh) Heat storage Double-layer capacitor Thermal- Storage Heat-pump chiller storage 100 kW x ± 2 sec tank Renewable Solar power Chilled water energy 10 kW Commercial Purchased power grid Flow of power Flow of heat Experimental buildings [Supplying electricity and heat to 12 experimental facility buildings at the Shimizu Institute of Technology](C)Copyright 2012 Shimizu Corporation. All rights reserved. 11
  • 13. 3.The latest technologies for green building and community. ■Micro Grid System : Reducing the impacts from power demand and renewable energy generation on the power grid ●Micro Grid System : energy efficiency generated ●Micro Grid System in China, completer in 2010 power quality ●energy efficiency generated and power quality ●Shimizu institute of technology ■Efficiency ・Primary Energy consumption ▲10.3% ・Summer:total efficiency 49% (heat recovery 22% of cooling load) ・Winter :total efficiency 66% (heat recovery 65% of heating load) ■Emission ・CO2Emission: ▲10.5% ■Frequency ・50±0.1[Hz](C)Copyright 2012 Shimizu Corporation. All rights reserved. 12
  • 14. 4.Disaster-Resistant and eco-friendly society - from building to community - ■ eco: energy conservation, independence, power saving BCP: countermeasure against earthquake and Tsunami ●Building level ●Community level ●City level (Smart building) (Smart community) (Smart city) Core Building (eco + BCP) Power ・ station thermal ・ Hydroelectric nuclear eco + BCP Building Energy Supply Center power station Core Building PV : Energy conservation with comfortable : Electric power saving Wind : Countermeasures against earthquakes and Tsunami : Energy independence(C)Copyright 2012 Shimizu Corporation. All rights reserved. 13
  • 15. (C)Copyright 2012 Shimizu Corporation. All rights reserved. 14