Chapter 1 Introduction

Installation with Metal Separation

Installation without Metal Separation

120mm

150mm

120mm

150mm

 

 

 

 

 

A

B

120mm

150mm

 

 

120mm

150mm

A

B

 

 

 

Air flow

 

 

120mm

150mm

120mm

150mm

 

 

Frame A

Frame B

 

 

 

 

Frame A

Frame B

1.2.2DC-bus Sharing: Connecting the DC-bus of the AC Motor Drives in Parallel

1.This function is not for 115V models.

2.The AC motor drives can absorb mutual voltage that generated to DC bus when deceleration.

3.Enhance brake function and stabilize the voltage of the DC bus.

4.The brake module can be added to enhance brake function after connecting in parallel.

5.Only the same power system can be connected in parallel.

6.It is recommended to connect 5 AC motor drives in parallel (no limit in horsepower).

1-8

Revision August 2008, 2ELE, V1.02

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Image 19
Delta Electronics VFD-EL manual Installation with Metal Separation, Frame a Frame B, This function is not for 115V models