Logic problem in OSG - trivial

Ziggie over 4 years ago

Page 79 OSG (blue edition)

Lcn is max fault current .......although the breaker may no longer be usable.

Lcs is max fault current .......can interupt safely without loss of performance.

.........

For domestic installations, the PFC is unlikely to exceed 6kA , up to which value the Lcn will equal Lcs.

usable , maybe usable, certainly usable?

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0 Ziggie over 4 years ago

Thanks to both for detailed response.

I said this is a trivial comment.

it’s a comment on logic - a simpler example.

A)

if Condition a then the bomb explodes.

B)

if condition b then the bomb does not go bang.

Under a specific measurement - you cannot say A = B as the bomb either goes off , doesn’t go off, or you have another answer - it might go off.
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0 Ziggie over 4 years ago

Thanks to both for detailed response.

I said this is a trivial comment.

it’s a comment on logic - a simpler example.

A)

if Condition a then the bomb explodes.

B)

if condition b then the bomb does not go bang.

Under a specific measurement - you cannot say A = B as the bomb either goes off , doesn’t go off, or you have another answer - it might go off.
Cancel
Vote Up 0 Vote Down

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Logic problem in OSG - trivial

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