Tektronix Keithley 2268 Series, Справочное руководство

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Local Operation Series 2268 850 Watt DC Power Supplies Reference Manual
64 2268S-901-01 Rev. A / January 2015
Figure 14: Bipolar Supply Operation
CONFIGURING MULTIPLE SUPPLIES FOR SERIES OPERATION
A maximum of two power supplies of the same rating can be connected in series to increase
the output voltage.
CAUTION: Equipment damage
When two power supplies are connected in series, they should be programmed
to the same output voltage to prevent damage to the lower voltage supply at
short circuit condition.
Load Considerations
CAUTION: Equipment damage
Use properly rated diodes to protect the power supply from damage while
driving inductive loads..
INDUCTIVE LOADS:
To prevent damage to the power supply from inductive kickback, connect a diode (rated at
greater than the supply’s output voltage and current) across the output. Connect the cathode
to the positive output and the anode to return. Where positive load transients may occur, such
as back EMF from a motor, a second diode in series with the output is recommended to
protect the power supply.