ASEA AC100LC-3, Operation Manual

Page: 22 / 75

AC90LC-3, AC100LC-3, and AC125LC-3 Operations Manual....
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5.3 ELECTRICAL INSTALLATION, cont.
INPUT WIRING MUST BE PERFORMED BY A QUALIFIED ELECTRICIAN FAMILIAR
WITH STANDARD SAFEGUARDS AND PROCEDURES REQUIRED BY THE
INSTALLATION OF THIS TYPE OF EQUIPMENT. POWER MUST BE REMOVED
FROM THE INPUT DISTRIBUTION SYSTEMS SUPPLYING POWER TO THE AC90LC-
3, AC100LC-3, OR AC125LC-3 PRIOR TO THE START OF THE FOLLOWING STEPS.
INPUT POWER MUST BE SECURED (LOCKED) IN THE OFF (DE-ENERGIZED) STATE
UNTIL INSTRUCTED OTHERWISE BY THIS DOCUMENT. ALSO SECURE IN THE
OFF STATE ANY CIRCUIT BREAKER(S) IN THE SWITCHGEAR PANEL THAT MAY
BE SUPPLYING SHIP’S BUS POWER TO THE CONVERTER OUTPUT TERMINAL
BLOCK. FAILURE TO FOLLOW THESE PROCEDURES CAN RESULT IN DAMAGE
TO THE EQUIPMENT, AND CAN PRESENT THE RISK OF INJURY OR DEATH TO THE
INSTALLER OR THE OPERATOR.
5.3.1 Input Power Connections
The converter is supplied with stud type terminal blocks for input power connections. The studs are
3/8-16 UNC and 1.25” long. The recommended torque value is 228 lbf·in, or 25.8 Nm. These
terminal blocks area rated for 400A and 600V maximum. Refer to the applicable standards for
selection of required wire gauge and type. In two or more cabinet systems, one shore cord is
connected to each converter shore power terminal block.
5.3.2 Output Power Connections
The converter is supplied with stud type terminal blocks for output power connections. The studs are
3/8-16 UNC and 1.25” long. The recommended torque value is 228 lbf·in, or 25.8 Nm. These
terminal blocks area rated for 400A and 600V maximum. Refer to the applicable standard for
selection of the required wire gauge and type. The output ground wire is to be connected to a 3/8-16
UNC stud. Please refer to the Figure 7 on page 23 for additional detail.