New Generation of Solar Thermal Cooling with Yazaki

Home , Passive house

New Generation of Solar thermal Cooling with Yazaki

Wei Zheng Yazaki Energy System Corporation Beijing Office 2016. 4. 11

1 Contents

１．Company Introduction

２．Yazaki’s Absorption Chiller in SHC

３．Yazaki-SHC Development Consideration

４．SHC in a passive house of China

５．New Absorption Chiller Concept

2 １．Company Introduction: Corporate snapshot

. Founded in 1929 by Mr. Sadami Yazaki Locations . Established as YAZAKI Corporation in 1941 . Today the company operates globally . Privately owned Chairman: Mr. Yasuhiko Yazaki World Headquarters President: Mr. Shinji Yazaki Y-City, 1500 Mishuku, Susono-City, Shizuoka 410-1194, Japan

Tokyo Headquarters 17th floor, Mita-Kokusai Bdg., Chairman: President: Wiring Harness Production 1-4-28 Mita, Minato-Ku, Tokyo Mr. Yasuhiko Yazaki Mr. Shinji Yazaki 1958 in Numazu, Japan 108-8333, Japan

• ENERGY SYSTEMS

Absorption & Solar Thermal Technology Electrical Wires Gas Equipment General Transportation Systems

• AUTOMOTIVE

Electrical Distribution Systems Components Electronics & Instrumentation High Voltage

• NEW BUSINESS

Recycling Nursing Care

YAZAKI WORKS IN 45 COUNTRIES A N D 476 LOCATIONS TODAY As of 06.2015

EU ASIA USA&CND 132 Projects 230 Projects 25 Projects 56 Spain

2009 First SHC House In the world

2012 Vatican 1974

1985 Canada

2008

Japan

Abu Dhabi Total 2013 387 Projects Beijing

6 3. Yazaki-SHC Development Consideration

SHC 1.0 Energy Efficiency + Renewables (2016-17)

Focus: supply

SHC 2.0 Energy Efficiency + Renewables + Passive Architecture 1.0 (2018)

Focus: supply + demand

Yazaki Energy Efficiency + Renewables + Passive Architecture 2.0 Thermal Concepts

Focus: supply + demand + grid

Automatic shutter

Vacuum tube type solar collector 159.69m2

low energy consumption building and green building in Triple glazing window Shandong Province, 2015 Adjacent garden ①Energy consumption for air-conditioning (<30kWh/mInstallation 2locationy) B1: WFC-SC10 of Vacuum tube type solar collector ②Proportion of renewable energy (>12%)

Facade heat insulation Surface of radiation panel

Back of radiation panel

Radiation panel for PV power unit Fresh air: CO sensor control 2 cooling and heating 8 ４．SHC in a passive house of China Passive House Project Comparison between general buildings and passive buildings

Passive buildings General buildings (hypothesis) Building Building Heat transmission construction HTC construction coefficient (HTC)

Facade Facade HTC（W/m2・K）：0.15 HTC（W/m2・K）：1.06 固定ネジ

RC PS RC PS PS Waterproof Waterproof sheet Roof sheet Roof

PS PS HTC（W/m2・K）：1.09 RC PS HTC（W/m2・K）：0.15 Window RC Window

Double Triple glazing glazing window HTC（W/m2・K）：2.40 window HTC（W/m2・K）：1.00

Aluminum frame Based on passive house, Aluminum+ ・HTC of facades and roof achievesresin frame an 85％ reduction. ・HTC of the window is decreased about 60％. 9 ４．SHC in a passive house of China

General buildings Passive buildings

16,000 16,000 generation 冷房Cooling 冷房Cooling

暖房Heating 暖房Heating Internalheat

12,000 12,000

[kWh] 8,000 [kWh] 8,000

全熱負荷全熱負荷 4,000 4,000 (NO)

0 Annual thermal load, including0 internal

1月 2月 3月heat 4月 5月 generation6月 7月 8月 9月 10月 11 月is 12 月decreased 1月 2 月about 3月 4月 5月 70 6月％7月 8月 9月 10月 11月 12月

Heating load: 23,879kWh ⇒ 263kWh (nearly zero)

generation 16,000 Cooling load: 39,800kWh ⇒ 21,317kWh16,000 (half) Annual thermal load:冷房Cooling 63,679kWh ⇒ 21,580kWh 冷房

Internalheat Cooling 暖房Heating 暖房Heating

12,000 12,000

Cooling load is

[kWh] [kWh] 8,000 8,000 half reduced

全熱負荷全熱負荷 (YES) 4,000 4,000 Nearly zero

0 0

1月 2月 3月 4月 5月 6月 7月 8月 9月 10月 11月 12月 1月 2月 3月 4月 5月 6月 7月 8月 9月 10月 11月 12月 10 ４. SHC in a passive house of China:

Example: passive buildings in ＜System concept＞ Shandong, China ①Primary energy reduction due to solar thermal  The water fired chilled (WFC) for cooling is applied High temperature sensor  Prior control for cooling and heating from solar thermal T2 ②Application of radiation cooling and heating  Power reduction of indoor unit  System efficiency improvement from cold water with higher temperature and hot water with lower temperature ③Application of variable flow cold water system by load-side two-way valve  Power reduction by the inverter control for load-side cold water pump

WFC cooling tower Cooling Heating loop dehumidifier Heat medium control valve Heat Supply-side Cooling mediu cold water tower Fresh Air pump m pump pump T T3 4 WFC Indoor radiant air-conditioner 35kW Pressure Heat valve T Pressure Low storage tank 5 valve temperature 5m3 sensor Cold Load- T１ water tank T side cold 7 water 1.5m3 Heat medium pump pump EHP T T 32.2kW 6 8 House Cold water control valve 11 ４. SHC in a passive house of China

Air conditioning system Supply side Solar thermal heating and cooling system(SHC) Solar Load side collector cooling tower Building Radiation air conditioning Ta nk WFC Ventilation system EHP system More energy could be saved and the ASHP renewable energy ratio is higher than expected Requirements Energy Energy saving assessment low energy consumption building and consumption 【supply-side only】 Renewable prediction for green building in Shandong Province, （kWh/m2） energy yearly air ratio 2015 conditioning （※2） system including ①Energy consumption for air- （％） Cooling Heating Annual load side（※1） conditioning (<30kWh/m2y) （kWh/m2） ②Proportion of renewable energy 5.15 4.28 9.4 18.9 33.6 (>12%) ※１ Energy consumption ratio of supply side and load side is 50:50 ※２ Renewable energy ratio =output of SHC/(output of SHC + output of EHP) 12 4. SHC in a passive house of china: PE reduction

Aperture Supply side air- Primary energy Buildings area conditioning device [m2] Usage[GJ] Reduction[%] A General Air source Heat pump(ASHP) - 235 - B High thermal insulation ASHP - 128 45.5 C High thermal insulation ASHP+SHC 100 113 51.9 High efficiency ASHP+SHC D High thermal insulation upgrade + Integration with 356 67 71.6 buildings 250 100 ※ASHP(cooling COP 2.84, heating COP 3.87)

High efficiency ASHP(cooling COP 4.80, heating COP 4.80)

SHC upgrade tech 200 72 80

 High efficiency collector

] 150 52 60  Thermal stratified tank 46

[GJ  Power reduction of pump 100 40  Low temperature driven chiller  System optimal control

50 20 energyPrimary Primaryenergy usage 0 rate[%] reduction Example 0 0 A B C D General Buildings (passive buildings) with buildings thermal insulation ASHP(Standard) High efficiency ASHP Unique design, SHC SHC upgrade More thermal Integration collection with buildings ５．New Absorption Chiller Concept technology & initiatives for low temperature driven of YAZAKI WFC

Small size & compact High durability & long life Only One Simple design & tech Low maintenance installation

WFC technical development Low temperature heat ①low temperature heat medium medium + Low power ②low power for pump 18 Available rage for solar energy

（WFC with low temperature heat medium）

Working Working condition Low temperature condition for conventional heat medium for the new chiller chiller ②

8 System COP System ① 8 Conventio nal chiller 4 Available rage for solar energy Turbo chiller （conventional WFC） 73 75

Heat medium temperature 14 ５．New Absorption Chiller Concept

Yazaki’s new package SHC system （Plug-in system）

2465

2240 4260

Heat Storage Cooling Tower Tank (Closed Type)

WFC-SC5

15 Thank you for your attention!

Wei Zheng [email protected]