System Configuration; Electrical Model Selection; Buffer Component - INVT Goodrive800 Pro Series Hardware Manual

Goodrive800 Pro Series Regenerative Rectifier Hardware Manual

2.7 System configuration

Figure 2-9 shows the typical topology in which the regenerative rectifier works with three inverter units.
1
No.
1
2
3
4
5
6
7
8
9
10
11
12
Note: The induction voltage drop of the transformer should not be less than 4% at the rated current.

2.8 Electrical model selection

2.8.1 Buffer component

The buffer component consists of breaker, contactor, rectifier bridge, and buffer resistor, as shown in Figure
2-9.
Power supply module Rated current
Buffer breaker
400V
690V
Buffer contactor
202308 (V1.1)
Figure 2-9 System configuration
8 9
2 3
Regenerative rectifier filter unit
Regenerative rectifier unit
Rectifier unit DC fuse
Inverter unit DC fuse
Table 2-4 Buffer component selection
Recommended
specification
640–1770A 690V 63A
600–1770A 690V 63A
10
11
4 5
6
7
12
Name
Transformer
Breaker
Inverter unit
Buffer breaker
Buffer contactor
Rectifier bridge
Buffer resistor
Motor
Recommended model
CDM6i-63L/3300
CDM6i-63L/3300
Product overview
Qty
1
1
12