GE Industrial Solutions AF-300 C11 User Manual

Page 47

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background image

Change during operation: N = impossible, Y* = possible (enabled by using ), Y= possible (enabled by using

)

-45-

FUNC

DATA

The graph at right shows the ele c-

tronic thermal O/L relay operating

characteristics. Output current val-

ues for the electronic thermal operat-

ing levels (values set with function

F11) are plotted horizontally and op-

erating times for output current are

plotted vertically.

This graph is for F10 = 1 with the

base frequency of 60Hz. The charac-

teristics for output frequencies ex-

ceeding the base frequency are the

same as the characteristics for the

base frequency.

When function F10 is set to 2, the

characteristics are always the same as

those for the base frequency. The op-

erating time with output current of

150% can be adjusted by using func-

tion F12 (electronic thermal O/L re-

lay (thermal time constant)).

“ ® ? ì? ? Œ А “ Б

0

5

1 0

1 5

2 0

0

5 0

1 0 0

1 5 0

2 0 0

? o — Í“d — ¬ ? ^ “ ® ? ìƒ Œ ƒ x ƒ ‹ ? Y ’è ’ l?

“®?ì??SÔ?@?m•ª?n

60Hz(=Н? °? ? ь”g ? ”

50Hz

30Hz

20Hz

5Hz

1Hz

Continued from previous page

Set with
F12

Output current/set operating level (%)

Operating time (minute)

Operating time characteristics

(Base frequency)

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