VSD Incentives and Applications Amaan Laheri, KEMA
Jan 06, 2016
Agenda
• Energy efficiency and Variable Speed Drives (VSD)• New prescriptive VSD incentive application for :
– Chillers– Fans– Pumps– Air Compressors
• Ineligible measures• Q & A
Total
% of Load kW Hours kW Hours kWh
100%
90%
80%
60%
50%
40%
30%
Base annual kWh =
Total
% of Load kW Hours kW Hours kWh
100%
90%
80%
60%
50%
40%
30%
Propose annual kWh =
Annual kWh Saving =
VSD WORKSHEET
Unit 1 Unit 2
Without Variable Frequency Drive
With Variable Frequency Drive
Unit 1 Unit 2
Now Prescriptive – VSDs on:
• Fan or pump motors, 200 HP or less: $60 per HP
• Chillers, $25 per HP
• Air compressors <100 HP, $100 per HP
VSDs on Fan, Pump or Air Compressor Motors
ONF 8760 960 1 $25 $24,000
Supply fan 1&2 RFA DD DP 5814
40 2 $60 $4,800
SFA DD BI 5814 60 2 $60 $7,200
$
Return fan 1&2Chiller #7Air Compressor #3 ACP N/A TWS 5814 50 1 $100 $5,000AHU SF#10 SFA IGV BI 8,760 125 1 $60 $7,500
Motors Over 100 HP
AHU SF-10Labs, offices, classrooms
Conditioned air in labs, offices, & classroomsB1 – air foil
1259
2%
Acme Fan Co.75,000
cfm
AFC-124b4 in H2OInlet guide
vanes3 in H2O
Specifications
• Existing throttling devices such as inlet vanes, bypass dampers, and throttling valves must be permanently removed or disabled.
• VSD must be installed with automatic control technology.
Not Eligible for Incentives
• VSDs installed on equipment that operates less than 1,200 hours per year
• Replacements of existing VSDs • VSDs installed on redundant/backup motors• VSDs installed in place of multi-speed flow control equipment (such as
two-speed cooling tower fans)• VSDs installed in place of variable pitch blade flow control equipment• VSDs installed for the purpose of “soft-starting” motors• VSDs installed on pumps where affinity laws are not in effect, such as
positive displacement pumps
Where to find the New Application
www.ComEd.com/bizincentives
• [email protected] • Program questions (888) 806-2273• Fax: 1-630-480-3436• Outreach Team
630-480-3434• www.ComEd.com/bizincentives
• Program information
• Application forms
• Policy and Procedures Manual
For More Information