Knowledge Based Energy Managementcms28.ubmasia.com/portals/16/Images/...Based-Energy... ·...
Transcript of Knowledge Based Energy Managementcms28.ubmasia.com/portals/16/Images/...Based-Energy... ·...
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Knowledge Based Energy Management
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Ir Cary CHAN
Executive Director Hong Kong Green Building Council 4th May 2016
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How Efficient is Our Plant?
Output Input
Efficiency =
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How much can you save?
Saving = 9,858kWh/year
Saving Estimation
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Did it work?
Measurement and
Verification Method
Condition 1
Condition 2
Condition 3
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Are our systems working?
Always open
Always close
Fault Diagnosis
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How do we compare with others?
Opportunities
Hotels New Development Commercial Bldgs
Existing Bldg A 145
136 (50th%)
2011
2016
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Can we have a 10-year plan?
Long Term Planning
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data
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Action Research
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-24% by 2015
Replacement of lighting and chillers -10%
Knowledge-Based Driven Solution -14% •System Conversion •Control Strategies •Fine Tuning & Optimisation
Achievement of A Property Management Company
Knowledge-Based Energy Management Enables More Energy Saving Opportunities
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Cumulative Savings
Knowledge-Based Energy Management Enables More Energy Saving Opportunities
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Sensors
Analysis Useful
Information
Utilize
Information
•Facilitate Research
•Implement Initiatives
Dat
a Tr
ansm
issi
on
Knowledge-Based Energy Management
Data Foundation Data Bank
BMS
Always open
Always close
Saving Estimation M&V Method
Fault Diagnosis Opportunities Long Term Planning
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BMS BMS BMS BMS
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BMS BMS BMS BMS
BMS BMS BMS BMS
BMS BMS BMS BMS
BMS BMS BMS BMS
BMS BMS BMS BMS
BMS BMS BMS BMS
BMS BMS BMS BMS
BMS
BMS
BMS
BMS
BMS
Technical Challenges
Quality of Data
•Accuracy
•Right Form
•Accessibility
Problems:
•Missing data
•Incorrect form of data
•Huge data volume and scale
•Incompetence in analysis
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Data Bank
Sensors
Analysis Useful
Information
Utilize
Information
Dat
a Tr
ansm
issi
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• Capital Investment Value for Information Unknown? • Technology Development / Investment Who to Specify? • Full Understanding of Users Operator Involvement in Design?
• Professional Development in Technology
Capacity Building?
• Drive for Change Regulations / Financial incentive?
Challenges of Knowledge-Based Energy Management Data Foundation
BMS
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Current Practice of the Industry
Run to Life Retrofit Knowledge transfer
Early Replacement
House keeping
General Practices & Regulatory Compliance
Optimization
Continuous Improvement
Chiller
Lighting
Advanced Control
Air-cool Water-cool
Lift Modernization
Retro-Cx
Metering
Work with stakeholders
Routine Inspection
Knowledge-Based Practice Adopt Best Practice Maintenance Requirement
Routine Maintenance
Mandatory Audit
O&M Manual
Basic Need
Saving ~17% Saving >24%
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Establish Knowledge Sharing Platform
Building Operator
• Government • Private Sector
Services Provider
In-house Competence
e-O&M Manual
Develop & drive the products / services markets
Saving
Business
knowledge
Beyond Standard
• Detailed databank • Develop industry competence • Standardise energy analysing
method / format • Raise next energy audit standard • Robust benchmarking system
Industry HKIE
BSOMES
ASHRAE
RICS…
Education VTC/IVE
Universities
AC
T SH
OP
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Learn from •Peer •Tutors •Real time practical support Derive knowledge Effective in influencing the industry
ACT-SHOP
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ACT SHOP
What if… •We don’t have enough data •Not enough meters/sensor
…….
Alternative… •We can use less data first •We can do measurement ……….
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Let’s evaluate the performance
Chiller Plant efficiency Airside efficiency
Chiller efficiency A/C Pumps efficiency Heat Rejection efficiency
ACT SHOP
Energy intensity Cooling intensity
Air conditioning efficiency
Input Area
Intensity = Current Energy Audit Code (EAC) Requirement
Beyond current Energy Audit Code (EAC) Requirement
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Competence Databank
Best Practice
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From Act -Shop to the next Energy Audit
Mid 2016 2022
Make the most out of the next Energy Audit
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Certifying REAs
Road Map
Mid 2016 2022
Building up experience/knowledge
Roll out together with other organizations
Training to REAs
Act Shop Energy Audit
Agree on the new requirements for next audit
Prepared for roll out by other organizations
Announce new audit requirements
Experience sharing, talks, CPD trainings
2032
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• Mandatory energy audit
• Act Shop • Access to funding
& loan • Credits for BEAM
plus • Other
recognitions
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make the most out of the next Energy Audit
Review and identify improvements needed from last audit :
Quality of measurement , methodology , robustness of data , value of data, readiness of building operators and REA..etc
Learn where to focus
Setting a foundation for the future :
New requirements for data and information for future management, tracking and analysis ( for buildings, industry and government)
Useful O&M manual
Benchmarking
Building capacity ( building provisions, knowledge , specially trained REA.. )
Central data center
Setting up energy management systems
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