Toshiba E3 Manuel D’Utilisation

1 

 

 

This specification shall cover Toshiba E3 AC Variable Frequency Drives, 6 pulse for 
230V and 460V.  
 
1.1 References 
 

A.  National Electric Manufactures Association (NEMA) 
B.  Underwriters Laboratories, Inc. (UL) and CSA 
C.  National Electric Code (NEC) 
D.  IEEE 519. Compliance of IEEE 519 can be determined after Toshiba performs a 

harmonics analysis. The analysis will be done after we receive a completed 
harmonics questionnaire. 

E.  ISO 9001 

 
1.2 Submittal 
 
Submittals shall include Toshiba standard operation manual. Schematics can be obtained 
from factory upon request.  
 
PART 2 – E3 VARIABLE FREQUENCY DRIVE 
 
2.0 General 
 

A.  This specification covers AC adjustable frequency drives for HVAC applications. 
B.  The manufacturer shall not have less than fifteen years of experience in the 

manufacture of VFD’s. 

C.  The manufacturer shall manufacture both AC drives and motors at the same 

facility. 

D.  The drive shall be manufactured in the United States. 

 

 

A.  The drive should be a PWM (Pulse Width Modulated) transistorized inverter 

using IGBT’s (Insulated Gate Bipolar Transistors) and must be fully digital.