Initial Energization
56
With phase-C previously energized, and the Controls Cabinet powered, phase-A and
phase-B may now be energized.
Commissioning Steps:
1. Verify phase-C voltage by using a Multimeter (set to AC RMS) to verify the
presence of ~120V AC voltage (±10%, 108 - 132V) at locations (C) 602
a. If ~120V is present, CLOSE the 10A fuse holder associated with 602NOTE: The
corresponding L-N interconnection voltage for Phase-C should also be read on
both the SEL-735 Meter and SEL-751 Protection Relay
2. Instruct the MV contractor to energize phase-B, as it is labeled at the
interconnection
Verify phase-B voltage by using a Multimeter (set to AC RMS) to verify the
presence of ~120V AC voltage (±10%, 108 - 132V) at locations (B) 601
If ~120V is present, CLOSE the 10A fuse holder associated with 601NOTE: The
corresponding L-N interconnection voltage for Phase-B should also be read on
both the SEL-735 Meter and SEL-751 Protection Relay
3. Instruct the MV contractor to energize phase-A, as it is labeled at the
interconnection
Verify phase-A voltage by using a Multimeter (set to AC RMS) to verify the
presence of ~120V AC voltage (±10%, 108 - 132V) at locations (A) 600
If ~120V is present, CLOSE the 10A fuse holder associated with 600NOTE: The
corresponding L-N interconnection voltage for Phase-A should also be read on
both the SEL-735 Meter and SEL-751 Protection Relay
Phase-A & Phase-B Energization
Содержание ClearSky
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Страница 48: ...Pre Energization Checks 48 Control Panel Verification Locations ...
Страница 55: ...Initial Energization 55 ...
Страница 63: ...Operational Testing 63 The myPV ClearSky may be left in this condition indefinitely ...
Страница 64: ...Operational Testing 64 Numbered Illustration of Mode Selection Switch Protective Relay Indicators ...
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