|
|
TM 9-4931-378-13&P
(44) The positive do voltage reading obtained
(40) Adjust potentiometer R6 on CCA 1A3
in step (43) shall be within 0.136 Vdc of
the voltage recorded in step (40) multi-
for a maximum positive voltage indica-
plied by 0.440.
tion on the DVM. Record reading.
(41) Set ADS TEST switch S16 (3, figure 6-5)
(45) Set AADS TEST switch S16 (3, figure
to SIN α ,
6-5) to COS α.
(42) Set α resolver B1 (1) to 90.0.
(47) The positive do voltage indication on the
DVM shall be within 0.136 Vdc of the
NOTE
voltage recorded in step (40) multiplied
by 0.440.
Potentiometer R5 must be carefully ad-
(48) Set AADS TEST switch S16 (3) to SIN ( α
justed to an absolute maximum voltage in
step (43). The following R5 tests depend
(49) Set α -
resolver 62 (2) to 90.0.
upon precise adjustment of potentio-
(50) The positive do voltage indication on the
meter R5.
DVM shall be within 0.136 Vdc of the
NOTE
voltage recorded in step (40) multiplied
by 0.440.
(51 ) Set AADS TEST switch S16 (3) to COS
Phasing check. A negative do voltage indi-
cation on DVM in step (43) or (50) shows
(52) Set α -
resolver B2 (2) to 0.0O.
that the resolver is aligned 180 out of
(53) The positive do voltage indication on the
phase. Loosen three screws (28, figure
DVM shall be within 0.136 Vdc of the
voltage recorded in step (40) multiplied
180. Confirm that DVM indication has
by 0.440.
changed to positive dc Tighten three
(54) Set circuit breakers CB1 (1) and CB2 (2)
screws (28, figure 6-4) and realign re-
OFF.
solver in accordance with paragraph
( 5 5 ) Disconnect power cables from power
source (see figure 2-2).
(56) Disconnect power cables from test set.
(43) Adjust potentiometer R7 on CCA 1A3
(57) Remove test cable from connectors J4
for a maximum positive de voltage indica
(58) Disconnect DVM from test set.
tion on the DVM. Record reading.
6-23
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |