Designing Grid Interactive Systems

The first step to designing a grid interactive system is to estimate the loads that need to be supported by the system. Location of the system also effects performance and system design.

Location Information City/State: Min Temp(F): Max Temp(F): Solar Hours:

Key Components of a Grid Interactive System (click to view enlarged image)

Electrical Loads	Qty	Volts	Power	Run Watts	Hours/Day	Days/WK	Surge Watts	Avg. WH/Day
Air Conditioner [1 Ton]		120		1500				1500
Blender		120		350				350
CD Player		120		30				30
Ceiling Fans		120		50				50
Clothes Washer		120		1200				1200
Clothes Dryer		120		500				500
Coffee Pot		120		1000				1000
Computer Printer		120		100				100
Desktop Computer		120		125				125
Dish Washer		120		1500				1500
Electric Range Large		120		2100				2100
Electric Range Small		120		1400				1400
Exhaust Fan		120		150				150
Fluroscent60W Equivalent		120		16				16
Food Processor		120		500				500
Furnace Fan		120		500				500
Garage Door Opener		120		350				350
Hair Dryer		120		1000				1000
Incandescent bulb100W		120		100				100
Incandescent bulb40W		120		40				40
Incandescent bulb60W		120		60				60
Iron [Electric]		120		1500				1500
MicroWave [~1 Cubic Feet]		120		1400				1400
MicroWave [~0.5 Cubic Feet]		120		800				800
Mixer		120		150				150
Radio		120		10				10
Refrigerator [16cubic feet]		120		475				475
Refrigerator [22cubic feet]		120		540				540
Satellite System		120		50				50
Stereo System		120		30				30
Telephone Answering Machine		120		10				10
TV 19 Inch		120		80				80
TV 21 Inch		120		125				125
TV 25 Inch		120		140				140
Vaccum Cleaner		120		650				650
Phantom Loads		120		200				200
Total:				1500			4500	1500

SUMMARY LOAD INFORMATION:
Number of Days of Autonomy:	0.3 1 2 3 4	AVG WH/Day:	1500
Run Watts:	1500	Max Surge:	4500