Product Description:

The HVE02.2-W018N-RE0 power supply unit is part of the HVE Power Supply Units Series 02 from Bosch Rexroth Indramat. Designed as a regulated DC source for industrial drive axes, it converts three-phase mains power into a stabilized DC bus and supplies auxiliary control voltage to connected drives. In automated lines, this unit supports up to 60 kW of connected motor load, allowing multiple servo controllers to draw energy from a common supply. This arrangement lets several axes share one supply module while keeping the bus voltage stable in multi-axis systems.

Under nominal line conditions, the unit delivers a rated output of 18 kW while drawing only 500 VA for its own logic and fan circuits. Internal conversion losses are held to 125 W, and the unit has an efficiency value of 7 W/kW of motor power, which helps with cabinet thermal planning. Energy is stored on the DC link by an electrolytic bank with 0.8 mF of capacitance, and the 400 V bus can pass 13 kW to downstream inverters. A 300 W auxiliary tap provides low-voltage control power, and the built-in blower supplies internal air cooling so no external heat sink is required. Initial charging brings the capacitors to full voltage in 1.6 s, which supports quick restarts in cyclic machinery.

For braking and overrunning events, an integrated bleeder resistor dissipates continuous energy up to 1 kW and tolerates surges of 100 kW without triggering a fault. The resistor can absorb a cumulative 70 kWs of regenerated energy before thermal limits are reached. When larger drive groups are linked, external capacitors as large as 10 mF may be connected to the DC link to reduce voltage excursions. This helps the supply manage returned energy during frequent deceleration and other dynamic axis movements. That behavior is useful in indexing lines, transfer systems, and other machines with repeated braking cycles.