TENTATIVE
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
PP900D120
POW-R-PAK
900A / 1200V
Half Bridge IGBT Assembly
Description:
The Powerex POW-R-PAK is a configurable IGBT
based power assembly that may be used as a
converter, chopper, half or full bridge, or three
phase inverter for motor control, power supply,
UPS or other power conversion applications.
The power assembly is mounted on a forced air-
cooled heatsink and features state-of-the-art
Powerex NF-series CSTBTs with low conduction
and switching losses for high efficiency operation.
The POW-R-PAK includes a low inductance
laminated bus structure, optically isolated gate
drive interfaces, isolated gate drive power
supplies, and a DC-link capacitor bank. The
control board provides a simple user interface
along with built-in protection features including
overvoltage, undervoltage lockout, overcurrent,
overtemperature, and short circuit detection.
Depending on application characteristics the
POW-R-PAK is suitable for operation with DC
bus voltages up to 800VDC and switching
frequencies above 20kHz.
Features:
High performance IGBT inverter bridge
Integrated gate drive with fault monitoring
& protection
System status / troubleshooting LEDs to
verify or monitor proper operation
Isolated gate drive power supplies
Low inductance laminated bus
Output current measurement & feedback
Superior short circuit detection & shoot
through prevention
Schematic
+DC
Phase
Output
-DC
Gate Drive Board
Customer Interface
1
5/08 rev. 1
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