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2 - Fagor Automation

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Power supplies<br />

2.<br />

POWER SUPPLIES<br />

94<br />

72<br />

Regenerative regulated power supplies<br />

DDS<br />

HARDWARE<br />

Ref.1307<br />

Operating cycles<br />

Load cycle S1<br />

Continuous duty. Operation with constant load and long enough to<br />

achieve thermal balance.<br />

PN<br />

F. H2/32<br />

Load cycle S1.<br />

Load cycle S6-40%<br />

Periodic uninterrupted duty cycle with intermittent load. Succession<br />

of identical duty cycles, each with a running period under constant load<br />

and another period without load. There is no rest period. The 40% running<br />

factor indicates that for a 10 minute cycle, it works at constant power<br />

for 4 minutes P S6-40% and without load for 6 minutes (0.4 x rated current<br />

Pn).<br />

PMAX<br />

PS6-40<br />

PN<br />

0.4xPN<br />

POWER<br />

POWER<br />

F. H2/33<br />

Load cycle S6-40%.<br />

Cycle at Pmax without previous load<br />

Periodic intermittent duty. Succession of identical duty cycles, each with a<br />

rest period. The 40% running factor means that for a 10 minute cycle, it<br />

works at 1.6xPn for 4 minutes and it rests (no power) for 6 minutes.<br />

1.6xPN<br />

PN<br />

POWER<br />

10 MIN<br />

4 MIN<br />

10 MIN<br />

4 MIN<br />

F. H2/34<br />

Cycle at Pmax without previous load.<br />

LOAD CYCLE S1<br />

TIME<br />

LOAD CYCLE S6-40%<br />

TIME<br />

CYCLE AT Pmax WITHOUT PREVIOUS LOAD<br />

TIME

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