Power supplies
2.
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DDS
HARDWARE
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2.1 Non-regenerative power supplies
When referring to non-regenerative power supplies, we'll use PS-25B4 and
PS-65A. They all admit a voltage range between 400 to 460 V AC. They are:
The PS-25B4 supplies 25 kW and includes an internal auxiliary 24 V DC
power supply for the control circuits of the modular drives. The over-voltage
and ballast alarm activation levels are the ones of the power supplies that
admit 460 V AC. The PS-65A supplies 65 kW and always needs an auxiliary
power supply APS-24 for the control circuits of the modular drives.
F. H2/1
Non-regenerative power supplies: A. PS-25B4, B. PS-65A.
A
Ri
L1 L2
Re L+
L+ Re Ri
L1
L3
L2 L3
B
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