BRUEL & KJAER 2707 Instructions And Applications page 17

Power Amplifier
2707
Exciter Head
Mains
Fig.3.3. System Interconnections
Signal Input
tt=
Signal Source
~---
---,
I
I
1
0~-41---+------3_0
__
V_E_x_c_it_er __
T~rig~g~er
______
~--~--o 5
1
Reference
20~--~~--~--------~~~~--------+---r-~01
I
30
I
I
I AC Mains to Exciter
I
AC Mains to Exciter
i
5 Oo-----ll---+-----------------------t---lt----<>0 3
I
I
I I
I I
60
I
I
7
0>----+1---+---~
AC Mains Input I
I
I
8 0 : AC Mains Input :
I I
~
I I
External Smoothing
1
0 4
L ______
j Capacitors (As Required) L _____
_j
Mains Power Mains Power
Connector Block Connector Block
Fig.3.4. System Wiring Diagram
15