triyono adiputra_experience of a practitioner in the field of building
TRANSCRIPT
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PT.Narama Mandiri Triyono Adiputra, ST.,MSc.
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Energy Demand and Population growth
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Challenges Global Challenge
1. Energy
2. Water
3. Food
4. Environment
5. Poverty
6. Terrorism
7. War
8. Education
9. Democracy
10. Population
Why Energy??
Energy is critical to organizational operations, potentially one of the biggest costs of the organizations regardless their activities
Energy price can not be controlled by a single organization, neither the government policies and the global economy. The company could only manage their energy utilization to reduce the cost.
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MANAGEMENT / MAINTENANCE POLICIES, REGULATIONS,
STANDARDS, ETC.
COSTS / PRICES OF ENERGY
CONSTRUCTION MATERIALS BUILDING DESIGN
EQUIPMENT, APPLIANCES, ETC FUNCTION / NATURE OF BUILDINGS
CLIMATE / WEATHER
LOAD PATTERN /
OCCUPANT BEHAVIOUR
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PT. Narama Mandiri established in 1993, is a MEE (mechanical, electrical and energy) consultant to give the best services and quality for designing, installation, investigation, and diagnostic measurement that’s deals with engineering systems in both industrial and commercial buildings
The main expertise is in energy efficiency, water efficiency, electrical, electronic, HVAC, plumbing, fire fighting, environment systems, building transportation, information technology, building automation system (BAS), and GREEN BUILDING concepts
The technical support team consist of professional and experienced experts in: Technical Auditing, Retrofitting, Design Engineering, Advanced Technology Implementations, and Proper Commissioning.
Introduction
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CONSULTANT
ELECTRICAL
MECHANICAL
ENERGY AUDIT AND INFRA-RED THERMOGRAPHY INVESTIGATION
GREEN BUILDING CERTIFICATION
ENGINEERING
ELECTRICAL AND MECHANICAL SYSTEM
PLANT ENGINEERING AND DESIGN
PRODUCT DESIGN
TRAINING (ELECTRICAL, MECHANICAL, AND ENERGY)
TECHNICAL SERVICE AND MAINTENANCE
ENERGY AUDITING / PROPER COMISSIONING
BUILDING EQUIPMENT
INDUSTRIAL EQUIPMENT
ENERGY SAVING EQUIPMENT
Scope of Services
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The steps:
Seeking for where the greatest energy consumed goes to
Measuring the energy losses of the greatest energy consumer
Analyzing the problem
Establishing a saving strategy
Calculating the saving and payback period
Implementing the strategy
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1. Energy Utilization (kWh, Joule),
2. Energy Intensity/ Specific Energy Consumption
(kWh/Ton Prod), (Ton Steam/Ton Prod), (kWh/m2/mth)
(kW/TR), (liter Fuel/Ton Steam), (lumen/watt)
3. Light Intensity (lux) for specific activities
4. Power Intensity (watt/m2, pk/m2)
5. Energy Distribution, Energy Balance, End Use Energy and Energy losses
6. Energy Efficiency and Optimization of Utilities
7. Indoor Air Quality, Room Comfort, and Visual Comfort
8. Energy Saving Potentials (kWh/year, IDR/year)
9. Energy Management Planning and Energy Efficiency Measures
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$avings
Achievement:
Cost Effective
Efficiency
Optimal
Reliability
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Measures: Analyze Collected/Measured Parameters
Perform engineering calculation
Optimize system and installation design
Establish Saving Alternatives
Searching New Technology: Energy Efficient
Reliability
Low Investment Cost
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Inefficiency design of utility systems
Inefficiency of configuration, settings, or the
operation of the utility systems
The control system is not functioning or incorrect
setting
Sensors malfunctioning
Utilities and components in buildings/industrial
processes working at low efficiency
Lack of energy management, discipline or lack of
knowledge of the effects of waste energy
Maintenance, scheduling and treatments that are
not optimal
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JENIS REKOMENDASI
IMPLEMENTASI SEGERA
IMPLEMENTASI PERLU WAKTU
TANPA BIAYA
(NO COST)
Mematikan alat
Tune up Skedul ulang
Melakukan seting ulang
tanpa merubah sistem
Melakukan seting ulang
keseluruhan sistem Mengembangkan etika
hemat energi pada
pegawai
DENGAN BIAYA
RENDAH
(LOW COST)
Relokasi alat
Penggantian komponen
yang perlu
Perbaikan grouping
Perbaikan factor daya
Penggantian komponen
utama
Overhaul peralatan
Merekrut enjinir khusus
untuk utilitas
DENGAN BIAYA TINGGI
(HIGH COST)
Penggantian alat dengan model yang
lebih efisien energi Menggunakan teknologi
baru yang tersedia
Retrofitting dengan sistem kontrol efisien
energi
Memasang peralatan monitoring dan
troubleshooting
Diversifikasi bahan bakar
Memasang peralatan
utama yang baru Memasang sistem
pengoperasian
computerised
Recommendation Classifications
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Techno-Economic Analysis Study
The Performance of Units
Energy Consumption
Load Characteristic
Energy Consumption
The Performance of Systems
Operating Costs
Reducing The Operational Costs
Improvement Of Performance
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Techno-Economic Analysis Study
-
5,000,000,000
10,000,000,000
15,000,000,000
20,000,000,000
25,000,000,000
30,000,000,000
1 2 3 4 5
GBCI Better Glass High Eff Chiller High Eff Chiller + DOAS
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$avings Achievement:
Cost Effective
Efficiency
Optimal
Reliability
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Searching New Technology
Consideration:
Energy Efficient
Reliability
Low Investment Cost
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Office Space: 400 m2 x 3 m
Occupants 40 People
Data Before Implementation : Data After Implementation :
Electrical Consumption for Lighting
Energy Consumption :4,5 kWatt 3,5 kWatt
Intensity :200 LUX (avrg) 350 LUX (avrg)
Lighting type : fluorescent Replaced with new fluorescent
savings = 1000 Watt (Thermal and ELectrical)
Air Conditioning (Package Water Cooled)
Fresh Air :vf = 1000 m3/jam vf1 = 400 m3/jam
Savings = 540 Watt (thermal)
Cooling Tower
Cooling Constants :0,54 0,65
Savings = 96.370 Watt (thermal)
Electrical power System
Motor power Compressor: 84,49 kW 68,39 kW
Savings = 16.100 Watt (electrical)
Total cost for AC system with 16 hours of operatin daily (Tariff classification B-2/TR, Medium Business
I:Rp.1351/kWh):
16 hrs x 344 days x (1000 Watt + 16.100 Watt)/1000 x Rp. 1351/kWh= Rp 127,153,958 /year
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Comparison of power consumption and EE investment Fixed lighting points Adjustable lighting points
No Description Baseline Conventional Electronics Conventional Electronics ballast ballast ballast ballast
1 Lighting points 9 9 9 6 6 2 Number of lighting in armature 4 3 3 4 4 3 Type of Lighting TLD18W/54 TLD18W/84 TLD18W/84 TLD18W/84 TLD18W/84 4 Ballast type Conventional Conventional Electronic Electronic Electronic 5 Number ofBallast 2 2 1 2 1 6 Total power (watt) 828 666 504 552 432 7 Light density (lux) 338 538 538 512 512 8 Power saving/yr (kWh) - 801 1562,4 1331,3 1910,1 9 Cost Saving/yr (Rp) - 1,082.151,00 2,110.262,00 1,798,181,00 2,981,510,00
10 Investment (Rp) a. Ballast 13.500,00 13.500,00 75.000,00 13.500,00 75.000,00 b. Starter + holder 4.500,00 3.500,00 - 4.500,00 - c. Capacitor 7.500,00 7.500,00 - 7.500,00 - d. TLD 12.000,00 18.000,00 18.000,00 24.000,00 24.000,00 e. Armature 110.000,00 100.000,00 100.000,00 120.000,00 120.000,00
11 Investment per unit (Rp) 147.500,00 142.500,00 193.000,00 169.000,00 219.000,00 12 Total investment (Rp) 1.327.500,00 1.282.500,00 1.737.000,00 1.017.000,00 1.314.000,00 13 Additional investment (Rp) - -45.000,00 409.500,00 -310.500,00 -13.500,00 13 ROI - 1.18 0.82 0.56 0.44 14 Prioritization 4 3 2 1
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No Measures Avg Savings (% of Total
Electrical Consumption)
B ELECTRICAL SYSTEM
1 Raise Power Factor 5.1
2 Lower excess transformer capacity 3.3
C LIGHTING
1 Lower Lighting Wattage 1.6
2 Reduce lighting hours 2.8
D ENVELOPE MODIFICATIONS
1 Lower window-wall ratio 12.7
2 Install double glazed windows 2.1
3 Installation, infiltration, roof absorbtion 0.8
E ELEVTORS
1 Eliminate 1-floor elevator trips 0.2
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No Action Average Saving % of
Energy Consumption
Boilers
1. Boiler Tune Up 2 – 3 %
2. Reduce Operating Pressure 1 – 5 %
3. Install Preheater 4 – 7 %
4. Install Economizer 4 – 7 %
5. Recover Heat from Condensate 3 – 15 %
6. Minimize Radiation Heat Loss 1 %
7. Select Optimum Steam Pressure 1 %
8. Control Heat Using Instrument 1 %
9. Clean Heating Surface 1 %
Diesel Generators
1. Waste Heat Recovery 5 – 25 %
2. Fuel Additive 1 – 3 %
3. Fuel Preheating 1 %
Electrical Power Systems
1. Raise Power Factor 5 – 6 %
2. Electrical Balance Loads 1 – 5 %
3. Lower Excess Transformer Capacity 3 – 3.5%
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No Measures Avg Savings (% of Total
Electrical Consumption)
A AIR CONDITIONING SYSTEM
1 Install VAV controls 12.6
2 Install Heat Exchanger for incoming air 12.0
3 Install high efficiency chillers 9.6
4 Maintain clean AHU filters, cooling coils 7.2
5 Minimize outdoor air intake 6.0
6 Optimize multiple chiller operation 4.9
7 Raise A/C condenser temperature 4.1
8 Replace Over-sized electrical motor 3.8
9 Raise set point to 25.5o C 3.6
10 Relocate offices to lower cooling load 3.0
11 Modify airflow to condenser 2.8
12 Reduce A/C equipment run time 2.3
13 Install variable speed pumps 1.6
14 Install small A/C for separate space 1.3
15 Install high efficiency pumps 1.3
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Dry bulb temperature 25 + 2o C relative humidity60 + 10 % Fresh air 20-30 CMH/person or 3-4 CMH/m2
Lighting > 350 lux O2 Minimum 21 %, CO2 Max 350 ppm
CO Max 20 ppm, SO2 Max 0,3 ppm
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ASHRAE 55 :
1. Red area, relative humidity above 75%. Are where
virus, bacteria and fungus would increase quickly
2. Yellow, relative humidity between 70-75%. Static
electric would occur especially with carpeted floor.
3. Blue, humidity for conditioned area with good comfort
for human occupancy, suitable for office.
4. Brown, relative humidity < 50%. Too dry which could
cause uncomfortable respiration.
0 5 10 15 20 25 30 35 40 45 50
100%
90%
30%
50%
60
%
70% 80%
40%
20%
10%
75%
70%
50%
Dry Bulb Temperature ( oC )
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Onsite measurement
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Building kWh/m2/year
Office Building in Jakarta 295
Airport Facility Building in Jakarta 434
Hotel in Yogyakarta 303
Hotel in Jakarta 290
Energy Intensity
Dept. ESDM 2014
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Energy Monitoring
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MIT / CBA Conference / May 10, 2006
Konfigurasi “Energy Monitoring & Controlling System” Berbasis
Internet
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System to monitor and controlling Energy
UtilizationPenggunaan Energi
EMCS (Energy Monitoring & Controlling System) Is digital technology developed to monitor and evaluate and controllong energy utilization according to the need.
EMCS should function as system interface Between different systems. With EMCS a system coul be integrated with other systems to obtain optimum control and monitoring in one control room.
Main function of EMCS can be used as Remote Controller, Alarm, Status Monitoring, Energy Management and System Integrator.
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Remote Controller function
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Alarm and Status Monitor Function
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Energy Management Device Function
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System Integrator
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12.556 Watt
Screen 1
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TOTAL CO2 AVERTED TODAY
0.1283 Ton
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Pertamina
Energy
Tower
Jakarta
We will work with you to deliver: o 50% Energy Reduction o 65% Water Reduction o Pleasant & Health Indoor
Environment o GBCI Platinum
Annual savings: USD 4 million
Thank you
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PT. Narama Mandiri
www.naramamandiri.com
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Thank You