Table of Contents
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Layout of a DC feeder unit
￭
1
DC fuses [F11]
2
Common mode filters ([R11], option +E208)
3
Charging switch ([Q10], option +F272)
4
DC connection bus bars [1ES+, 1ES-, 2ES+, 2ES-]
5
Cabinet heater ([E95], option +G300)
6
PE bus bar [PE]
7
DC cable entry
8
DC switch ([Q11], option +F290)
9
Charging resistors ([R10], option +F272)
10
Current transducers ([T353], option +G353)
11
Fan [G115]
12
Cooling input pipe
13
Cooling inlet manifold
14
Inlet and drain valves
15
Draining pipe (input)
16
Heat exchanger
17
Cooling output pipe
18
Cooling outlet manifold
19
Outlet and drain valves
20
Draining pipe (output)
21
Terminal block for the user control connections [X350]
Control of the DC feeder unit
The table below shows the switches and indications lamps on the door of the unit.
1
2
3
4
5
6
7
Operation principle and hardware description 17
8
9
10
11
12
13
14
15
16
17
18
21
19
20
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