Size Inv & Generator
Home WELCOME Products Specials Traffic Signals Services Calculation Help CFLs ABOUT US LOCATION MISSION Policies CONTACTS

 

Home
Up

  Sizing your System , Inverter and Generator
Packaged System Sizing

Sw series inverters ( True Sinewave ) are the premium line and the DR series (Modified Sinewave) are listed Below.

SW Series Backup Electric System
 

Backup Electric System 2000 SW 4000SW 5000SW 8000SW 10,000SW
Trace™ Inverter Model SW2512/S SW4048/S SW5548/S SW4048/D SW5548/D
ACOutput Voltage 120 VAC 120 VAC 120 VAC 120 VAC 120 VAC
System Rating 2000 watts 4000 watts 5000 watts 8000 watts 10,000 watts
Continuous Power 2500 VA 4000 VA 5500 VA 8000 VA 11,000 Va
Maximum Power 7200 watts 9400 watts 9400 watts 18,700 watts 18,700 watts
Nominal Input Voltage 12 VDC 48 VDC 48 VDC 48 VDC 48 VDC
Max. Charging Current 150 amps 60 amps 75 amps 120 amps 150 amps
Max. Charging Power 1800 watts 2800 watts 3600 watts 5760 watts 7200 watts
Number of AC inputs
 

 
2
 

 
Transfer Relay Rating
 

 
60 amps
 

 
Transfer Time (typical)
 

 
16 ms
 

 
Transfer Time (max)
 

 
34 ms
 

 
AC Output Waveform
 

 
sinewave
 

 
Voltage Regulation
 

 
+/- 2%
 

 
Frequency Regulation
 

 
+/- 0.04 %
 

 
Automatic Transfer

3-Stage Battery Charger

Generator Starting

Generator Support

Utility Sell Back

PLC* Compatible


 

 
Battery Bank Sizing
Minimum Size
2 hours at 1/2 rated power
2 KWh** 4 KWh** 5 KWh** 8 KWh** 10 KWh**
Standard Size
8 hours at 1/2 rated power
8 KWh** N/A 20 KWh** N/A 40 KWh**
Generator Guidelines
Minimum Size 4.0 KW 5.0 KW 6.0 KW 8.5 KW 11.0 KW
Recommended Size 8.5 KW 8.5 KW 8.5 KW 11.0 KW 17.0 KW
*Power line carrier control system for home automation use
** Battery bank may be increased in size to meet longer run time requirements

 



Lower-Cost Backup Backup Electric System
 

Backup Electric System 400TS 1000DR 2000DR 3000DR
Trace™ Inverter Model TS512SB DR1524 DR2424 DR3624
Ac Output Voltage 120VAC 120VAC 120VAC 120VAC
System Rating 400 watts 1000 watts 2000 watts 3000 watts
Continuous Power 500 VA 1500 VA 2500 VA 3600 VA
Maximum Power 1900 watts 4800 watts 8600 watts 12,000 watts
Nominal Input Voltage 12 VDC 24 VDC 24 VDC 24 VDC
Max. Charging Current 15 amps 35 amps 70 amps 70 amps
Max. Charging Power 180 watts 840 watts 1680 watts 1680 watts
Number of AC inputs 1
 
1
 
Transfer Relay Rating 15 amps
 
30 amps
 
Transfer Time (typical) 16 ms
 
16 ms
 
Transfer Time (max) 34 ms
 
34 ms
 
AC Output Waveform modified SW
 
modified sinewave
 
Voltage Regulation +/- 10%
 
+/- 5%
 
Frequency Regulation +/- 0.04%
 
+/- 0.04 %
 
Automatic Transfer

3-Stage Battery Charger

Generator Starting
 

 

 

 
Generator Support
 

 

 

 
Utility Sell Back
 

 

 

 
PLC* Compatible
 

 

 

 
Battery Bank Sizing
Minimum Size
2 hours at 1/2 rated power
400 Wh** 1 KWh** 2 KWh** 3 KWh**
Standard Size
8 hours at 1/2 rated power
1.6 KWh** 4 KWh** 8 KWh** 12 KWh**
Generator Guidelines
Minimum Size 900 watts 4.0 KW 6.0 KW 6.0 KW
Recommended Size 2.0 KW 8.5 KW 8.5 KW 11.0 KW
*Power line carrier control system for home automation use
** Battery bank may be increased in size to meet longer run time requirements

 

 

Please email us with any questions you have.

NORTHWEST POWER CO, LLC
Mailing to: P.O. Box 271 Platteville, CO 80651   Location: 303 Elizabeth Ave Platteville, CO 80651
Phone # 970-785-2707       FAX: # 970-785-2713

Email at: info@nwpwr.com
Last modified: 04/26/08