Section III. CURRENT TRANSFORMER
6-7. On Equipment Test.
6-8. Removal and
a. The following resistance readings should be
a. Removal
precent for good current transformers. Use a Simp-
Disassembly.
son 260 or equivalent meter, (properly zeroed) with
(1) Remove and tag the generator output leads
the R x 1 scale selected for making the measure-
and pass them through the associated current trans-
ments.
formers freeing the current transformer assembly
for removal. (fig. 6-2)
b . Current transformer secondary resistance
readng. (fig. 6-2)
Percent of
Rated Load
Meter
LMU
Cross Current
Compensation
CT1 . . .
CT2 . . .
CT3 . . .
CT4 . . .
CT5 . . .
CT6. . .
CT7 . . .
(2) Remove the generator harness wiring
from terminal block TB16, identifying each lead with
2.5 ohms
the terminal block post number from which it was
same as CTl
removed.
same as CTl
(3) Remove the current transformer assem-
0.2 ohms pins 1 to 3, 0.1
bly (7, fig. 6-3) by removing hardware items 3,
ohm center pin to 1 and
4 and 5.
center pin to
same as CT4
same as CT4
0.5 ohms pins
3
b . Disassembly.
See figure 6-4 and disassemble
the current transformer as illustrated.
l and 2
Figure 6-2. Routing Main Generator Leads Through Current Transformers
Change 1 6-5
