APC MGETM GALAXYTM 6000 User Manual download pdf (Page 8)

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Characteristics (cont.)

The table opposite serves as an

example for an installation comprising

up to four frequency converters or four

parallel UPSs with a centralised SSC.

◗ for installations with redundant units,

take into account only the units

required to supply the load power

(e.g. for an installation made up of 3

parallel-connected rectifier-inverter

cubicles, one being redundant, only 2

rectifier-inverter cubicles are used to

determine Mains 2 and load currents

and cable cross-sections);

◗ this table has been drawn up for

rated phase-to-phase Mains 2 and load

voltages of 415V and full rated load

with a power factor of 0.8. For voltages

of 380 or 400V, multiply the indicated

currents by 1.09 and 1.04 respectively,

then modify the cable cross-sections

accordingly if necessary.

The cable cross-sections in this table

are for the parts illustrated in bold on

the following block diagrams

(installation examples, figures 1 and 2).

Parameters for Mains 2 and load cables for an installation comprising

frequency converters or parallel UPSs with a centralised SSC.

rated inverter number of total UPS Mains 2 or load cable cross-section (1)

output parallel-connected rated output line current in mm

in kVA inverters in kVA in Amps Copper Aluminium

250 2 500 722 2 x 185 2 x 300

3 750 1082 3 x 300 4 x 240

4 1000 1444 4 x 240 4 x 400

300 2 600 866 2 x 240 4 x 185

3 900 1299 4 x 240 4 x 400

4 1200 1732 Please consult us*

400 2 800 1298 4 x 185 4 x 300

3 1200 1947 Please consult us*

4 1600 2596 Please consult us*

450 2 900 1154 4 x 240 4 x 400

3 1350 1731 Please consult us*

4 1800 2308 Please consult us*

500 2 1000 1444 4 x 240 4 x 400

3 1500 2164 Please consult us*

4 2000 2888 Please consult us*

600 2 1200 1731 Please consult us*

3 1800 2598 Please consult us*

4 2400 3462 Please consult us*

Fig. 1

Fig. 2

mains 1

load

mains 1

inverter 1

inverter 2

inverter 3

Installation with parallel UPSs with a centralised SSC

Installation with parallel frequency converters

(1) cable cross-sections are given for copper

conductors of the U1000 R02V type. They are

calculated according to permissible temperature

rise and allow for line voltage drops over a

mains 1

load

mains 1

inverter 1

inverter 2

inverter 3

mains 2

static

switch

cubicle

NF C 15-100 authorizes a maximum of 4

cables per phase.

maximum length of 100 m. For greater lengths,

the cross-sections should be chosen to limit

voltage drops to 3%.

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 45 46

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APC MGETM GALAXYTM 6000 User Manual Page 8

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