Motor Load Control

1
Creditable Performance (First stage)
Remark PBS Power Boss PNS Plug N
Save DMS Demand Management System
2
DMS Demand Management System
3
How does heat pump work?
Efficiency Comparison Electric heater 100
Heat pump 200-300 Boiler 60-80
4
Hot Water from Air-Con.
Free hot water
Improve air-conditioning efficiency
5
Air Conditioning Ventilating Optimization
HVAC System Controlled by VSD
Variable Speed Drive (VSD) can substantially
reduce system energy consumption (kW/ton)
6
Optilux Lighting Control
Average Saving 10 30
7
Reference Don Muang Tollway PLC
Investment Baht 5,400,000 Saving Baht
2,850,000 per year
ROI 52
8
Reference Niyom Panich Co.,Ltd.

• REQUIREMENT
• Monitoring energy utilization
• Reduce electricity expense
• Optimize energy utilization system

• PROBLEMS
• No energy utilization information
• High electricity expense
• Low efficiency air conditioning system

9
Reference Niyom Panich Co.,Ltd.
10
Reference Phuket International Airport
Use DMS for energy consumption information
Chiller Plant Supply Air system optimization by
VSD
Total Electricity charge Baht 48,000,000 per
year Investment Baht 5,200,000 Saving Baht
3,700,000 per year
ROI 71