Hey
Sparkync,
I compiled a few Panel Schedules, per the spec's of the Project described in this Thread, and posted them as PDFs at the Technical Reference Area.
These items may be found under the Topic:
Example Panel Schedules - Per Thread at NEC Area.
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Per the Schedules:
Post Message #1 of 2 contains Schedules 1M and 2M.
"Panel: 1M" (Example #1) has the 208V 1 Phase 2 Wire Motor Loads' VA entries figured at:
a. 20 Amps x 208V = 4,160VA
4,160VA / 2 = 2,080VA per Phase.
and
b. 30 Amps x 208V = 6,240VA
6,240VA / 2 = 3,120VA per Phase.
-----------------------------------------------------------
"Panel: 2M" (Example #2) has the 208V 1 Phase 2 Wire Motor Loads' VA entries figured at:
a. 20 Amps x 120V = 2,400VA
2,400VA per Phase.
and
b. 30 Amps x 120V = 3,600VA
3,600VA per Phase.
--------------------------------------------------------
STATS FOR PANEL "1M":Max. Load: 163.67 Amps on Phase "A", and 40.00 Amps on the Common Grounded Neutral Conductor.
% Volt Loss on the 25 Foot 3/0 THHN CU. Feeder is 0.32% L-L and 0.11% L-N.
SCA at the Panel = 10,435A - figuring:
10KA at the Distribution Panelboard (Feed Point),
1,830A Motor Contribution.
------ ------- ------ ------ ------ -------
STATS FOR PANEL "2M":Max. Load: 185.00 Amps on Phase "A", and 40.00 Amps on the Common Grounded Neutral Conductor.
% Volt Loss on the 25 Foot 3/0 THHN CU. Feeder is 0.36% L-L and 0.11% L-N.
SCA at the Panel = 10,435A - figuring:
10KA at the Distribution Panelboard (Feed Point),
1,830A Motor Contribution.
-----------------------------------------------------
Schedules 1M and 2M have only the 1 Pole Loads designating the L-N Amperes / VA.
This is evedent in the lower tally fields, where the totals are shown per Phase and Neutral.
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Per the Schedules:
Post Message #2 of 2 contains Schedules 3M and 4M.
"Panel: 3M" (Example #3) has the 208V 1 Phase 2 Wire Motor Loads' VA entries figured at:
a. 20 Amps x 208V = 4,160VA
4,160VA / 2 = 2,080VA per Phase.
and
b. 30 Amps x 208V = 6,240VA
6,240VA / 2 = 3,120VA per Phase.
-----------------------------------------------------------
"Panel: 4M" (Example #4) has the 208V 1 Phase 2 Wire Motor Loads' VA entries figured at:
a. 20 Amps x 120V = 2,400VA
2,400VA per Phase.
and
b. 30 Amps x 120V = 3,600VA
3,600VA per Phase.
--------------------------------------------------------
STATS FOR PANEL "3M":Max. Load: 163.67 Amps on Phase "A", and 163.67 Amps on the Common Grounded Neutral Conductor.
% Volt Loss on the 25 Foot 3/0 THHN CU. Feeder is 0.32% L-L and 0.45% L-N.
SCA at the Panel = 10,435A - figuring:
10KA at the Distribution Panelboard (Feed Point),
1,830A Motor Contribution.
------ ------- ------ ------ ------ -------
STATS FOR PANEL "4M":Max. Load: 185.00 Amps on Phase "A", and 185.00 Amps on the Common Grounded Neutral Conductor.
% Volt Loss on the 25 Foot 3/0 THHN CU. Feeder is 0.36% L-L and 0.51% L-N.
SCA at the Panel = 10,435A - figuring:
10KA at the Distribution Panelboard (Feed Point),
1,830A Motor Contribution.
-----------------------------------------------------
Schedules 3M and 4M have ALL Loads designating the L-N Amperes / VA.
This is evedent in the lower tally fields, where the totals are shown per Phase and Neutral.
Would like everyone to review these items and post comments.
TIA!
--Scott (EE)