KEPCO BOP 5-20DL, Operator'S Manual

Page: 55 / 70

BOP 5-20DL 081915
3-21
3.6.1 SERIES CONNECTION, MASTER/SLAVE OPERATION
Two or more BOP power supplies can be connected in series to increase output voltage. One
series-connection limitation is the isolation limit of the BOP itself (500V); contact Kepco if more
than three units is series are required. Figure 3-24 shows a master/slave connection of two BOP
power supplies.
FIGURE 3-24. SERIES CONNECTION (MASTER/SLAVE) OF TWO BOP POWER SUPPLIES,
WITH REMOTE ERROR SENSING AT THE COMMON LOAD
To extend the concept of series connection to more than two BOP units, refer to FIG. 3-24. The
BOP unit now designated the SLAVE becomes the new MASTER for the next BOP unit to be
added and so on, up to the desired number of BOP’s in series. Simply place the BOP outputs in
series and connect a further coupling resistor (R
T
) from the present SLAVE, terminal [C] to the
3043890
BOP VOLTAGE
CONTROL CHANNEL
PART OF REAR PROGRAMMING CONNECTOR
+
22
28
C
+
VOLTAGE
CONTROL
VOLTAGE
PROGRAMMING
INPUT
10V
OFF
10V
ON
10K
10K
11
9
C
7
POWER
STAGE
NOTES (MASTER):
1. Set MODE Switch to VOLTAGE.
2. Set VOLTAGE CONTROL switch to ON.
3. Install sense link between OUT and S terminals.
4. Remove link between COM and S terminals.
COMMON
5
Eo ZERO
-
17
+
Eo COMP
AMP
ZERO
PREAMP
"A"
-
+
2.49K
DRIVER
G
A
T
E
COM
S
OUT
S
LOAD
2.49K
PREAMP
"A"
BOP VOLTAGE
CONTROL CHANNEL
PART OF REAR PROGRAMMING CONNECTOR
22
C
+
28
+
10K
VOLTAGE
PROGRAMMING
INPUT
ON
OFF
10V
10V
VOLTAGE
CONTROL
7
C
9
11
10K
17
+
-
OUT
COM
NOTES (SLAVE):
1. Set MODE Switch to VOLTAGE.
2. Set VOLTAGE CONTROL switch to OFF.
3. Install local sensing links between COM and
S and between OUT and S terminals.
4. Remove link between terminals 4 and 5 on
rear barrier strip (removes grounding network).
Eo ZERO
COMMON
Eo COMP
AMP
+
-
ZERO
G
A
T
E
5
DRIVER
POWER
STAGE
S
S
SLAVE
MASTER
REMOVE
LINK
REMOVE
LINK
REMOVE
LINK
T
R
CHASSIS