KEPCO KLN Series (750W, 1500W, 3000W), Main Contro Firmware Version 1.70 and higher - Manual (Page 42)

2-16 KLN Series 051614
2.8 MULTIPLE UNIT CONFIGURATIONS
Parallel and series configurations of identical KLN units increase the rated current or voltage
range of the power supply. Up to five units (including the master) can be connected in parallel to
increase the current: I
MAX (one unit)
x N
P
= I
MAX (parallel combination)
where N
P
= number of units in
parallel. Similarly, up to two units (including the master) can be connected in series to increase
the voltage: E
MAX (one unit)
x N
2
= E
MAX (Series combination)
where N
2
= number of units in series.
2.8.1 SERIES CONNECTIONS
Two identical KLN units (one master, one slave) can be operated in series to double the output
voltage.
CAUTION: TOTAL VOLTAGE MUST NOT EXCEED 600V TO AVOID DAMAGING THE
UNITS.
See Figure 2-18A for series connections with local sensing or Figure 2-18B for series connec-
tions with remote sensing. See PAR. 2.5.5 for guideline regarding load connections. See PAR.
3.4.1 for instructions on operating units connected in series.
Connections for series operation can be simplified by using the optional Series Connector
Board (see Table 1-4) illustrated in Figures 2-18 and 2-19. If the optional Series Connector
Board is not used, refer to Figure 2-20 for programming port connections required for series
operation.
FIGURE 2-18. SERIES CONNECTIONS