8 Oct
2007
8 Oct
'07
1:40 p.m.
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William Donzelli wrote:
What kind of monster generator did this homeowner
have?! The normal
little portables will instantly disconnect (breaker or otherwise) if
you try to connect it to a blacked out grid, with all those people in
dark houses with the lights and fridges still connected. That's one
helluva load.
I work for a power cooperative. It's not a generator back-feeding into
a blacked out grid that's a problem (you'll stall one trying it, or at
least you'll pop the generator's circuit breaker). The problem is when
you're having an outage to a home due to snow/ice or fallen trees. In
that case the primary line feeding that house could have been
sectionalized by an oil circuit recloser or single-shot fuse with the
back feed going into virtually no load. The lineman then finds himself
working a hot line that shouldn't be hot.
Barry
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