Product Description
5.3 Cabinet Details
Product User Manual
Operating Instructions, Version AE 12/2009, A5E01454341C
93
Table 5- 18 Blower Components (6600 V Drives)
Component Label Part Description
TBLW1 Transformer Blower #1
RTBLW1*, DTBLW1* Blower command; resistor and zener diode
TBLW2 Transformer Blower #2 (Optional)
RTBLW2*, DTBLW2* Blower command; resistor and zener diode (Optional)
CBLW1 Cell Cabinet Blower #1
RCBLW1*, DCBLW1* Blower command; resistor and zener diode
CBLW2 Cell Cabinet Blower #2 (Optional)
RCBLW2*, DCBLW2* Blower command; resistor and zener diode (Optional)
* Resistor and Zener diode form a clamp circuit to command the blower speed (See table below for blower speed
settings). However, if a duct Interface is required, these components are removed and the command jumpers
directly to the +10VDC for a 100% speed demand.
1)
For AC blowers, the blower command (resistor and zener) are not required.
Table 5- 19 Blower Components (10000 V Drives)
Component Label Part Description
TBLW1 Transformer Blower #1
TBLW2 Transformer Blower #2
TBLW3 Transformer Blower #3 (Optional)
CBLW1 Cell Cabinet Blower #1
CBLW2 Cell Cabinet Blower #2
CBLW3 Cell Cabinet Blower #3(Optional)
Table 5- 20 Blower Speed Settings
Drive Description Section Speed Setting
4160V Drives <=140A N/A
4160V Drives > 140A 94 %
6600V Drives <= 140A Cell 82 %
6600V Drives <= 140A Transformer 82 %
6600V Drives > 140A Cell 92 %
6600V Drives > 140A Transformer 92 %
10000 V Drives N/A
10000 V Drives N/A
The GenIV drive is a parallel path forced air cooled system using one electronically
commutated or across-the line blower(s); each of the cells and the transformer are cooled in
parallel by one centralized exhaust blower. Parallel air cooling allows each component to
have the same inlet air temperature (close to the drive’s ambient temperature) independent
of the other components. The cell section has six air inlet paths, each air inlet feeds 1½ cells.
The transformer section has two air inlet paths, each supplying ½ the transformer air. The
transformer is baffled to force air up through the secondary coils and around the winding.
The cell section and transformer section exhaust air into a common rear air duct. Each cell’s
input and output power connections are made via blind mate power plugs at the rear of the
To Next Page
Loading...