Series Operation; Parallel Operation - TDK-Lambda ZWS-BP Series Instruction Manual

6-8. Series Operation

For series operation, either method (A) or (B) is possible.
ZWS150BP, ZWS240BP
(A)
Power Supply
Output
Terminal
Output
Terminal
Note : In case of (A), Never use when one of the unit not operate, which may leads damage.

6-9. Parallel Operation

For parallel operation, method (B) is possible.
ZWS150BP, ZWS240BP
(A) To increase the output current is not possible.
Power Supply
Output
Terminal
Output
Terminal
6-10. Isolation Test
Isolation resistance between Output -
be done before the test. Ensure that the unit is fully discharged after the test.
Output - : 500VDC More than 100MΩ
ZWS150BP, ZWS240BP
Isolation
Tester
Load
is more than 100MΩat 500VDC. For safety operation, voltage setting of DC isolation tester must
AC(L)
AC(N)
+
_
(B)
Power Supply
Output
Terminal
Load
Output
Terminal
(B) To use as Back-up Power Supply
1. Adjust the output voltage of each power supply to be the same.
2. Set power supply output voltage higher by the forward voltage
drop (Vf) of diode.
Use within the specification for output voltage and output power.
Power Supply
Output
Terminal
Output
Terminal
ZWS150BP/R, ZWS240BP/R
Isolation
Tester
-8-
TDK-Lambda
ZWS-BP Series
Instruction Manual
Load
Load
Load
AC(L)
AC(N)
+
_
+
R(CN52)
_
R(CN52)
0