REG 316*4 1MRB520049-Uen / Rev. C
ABB Switzerland Ltd
2-9
2.8.
Injection unit REX 010
The injection unit Type REX 010 provides the power supply for
the injection transformer block Type REX 011. The injection
transformer block generates the signals needed for the 100 %
stator and rotor ground fault protection schemes. The signals all
have the same waveform
The injection unit is installed in an REG 316*4 casing and there-
fore the mechanical and general data are the same as specified
for the REG 316*4. Three versions of the injection unit with the
designations U1, U2 and U3 are available for the following sta-
tion battery voltages:
Battery voltage
Tolerance
Output
U1: 110 or 125 V DC
+10% / -20%
110 V or 125 V, 1.1 A
U2: 110; 125; 220; 250V DC
88...312 V DC
96 V, 1 A
U3: 48; 60; 110 V DC
36...140 V DC
96 V, 1 A
Versions U2 and U3 operate with a DC/DC converter.
The frequency of the injection voltage which corresponds pre-
cisely to ¼ of the rated frequency of 50 Hz or 60 Hz can be se-
lected by positioning a plug-in jumper on PCB 316AI61. The
frequency is then 12.5 Hz in position X12 and 15.0 Hz in position
X11.
Controls and signals:
·
Green LED
READY
:
Auxiliary supply switched on
·
Red LED
OVERLOAD
:
The internal protection circuit has picked up and injection
is interrupted.
·
Yellow LED
DISABLED
:
Injection is disabled on the switch on the frontplate or via
the opto-coupler input.
Only the green LED is lit during normal operation.
·
Toggle switch ENABLE, DISABLE:
Position 0
: Injection enabled.
Position 1
: Injection disabled.
Summary of Contents for REG316 4 Series
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Page 427: ...REG 316 4 1MRB520049 Uen Rev B ABB Switzerland Ltd 4 29 Fig 4 13 Locus of the load angle d 90 ...
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