Difference between revisions of "Testing Procedures for Power Engineering"
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<figtable id="tab:Testing for the Short Circuit Breaking Capacity of Low Voltage Power Switches According to IEC/EN 60947-2 (Shortened Summary)"> | <figtable id="tab:Testing for the Short Circuit Breaking Capacity of Low Voltage Power Switches According to IEC/EN 60947-2 (Shortened Summary)"> | ||
'''Table 13.3: Testing for the Short Circuit Breaking Capacity of Low Voltage Power Switches According to IEC/EN 60947-2 (Shortened Summary)''' | '''Table 13.3: Testing for the Short Circuit Breaking Capacity of Low Voltage Power Switches According to IEC/EN 60947-2 (Shortened Summary)''' | ||
− | + | {| class="twocolortable" style="text-align: left; font-size: 12px" | |
+ | |- | ||
+ | !Test characteristics | ||
+ | !Rated ultimate short circuit breaking capacity I<sub>CU</sub> | ||
+ | !Service short circuit breaking capacity I<sub>CS</sub> | ||
+ | |- | ||
+ | |Test conditions | ||
+ | |Ue<br />cosn depends on value of current I in kA, i.e<br/>6 < l < 10 <br /> 10 cosn0.5 <br /> < l < 20 <br />cosn0.3<br />20 < l < 50<br />cosn0.25<br />50 < l cosn 0.2 | ||
+ | |Non-inductive or slightly inductive loads, resistance furnaces | ||
+ | |} | ||
</figtable> | </figtable> |