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Line Re-Closers Rate Topic: -----

#21 User is offline   aksmith42 Icon

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Posted 01 March 2004 - 10:50 AM

okay yet another question on ocr's. what does the amperage mean on the case of the ocr's? i know that the closer you get to the sub, the amperage on the ocr increases correct? is it the amount of overcurrent required to operate it? say what
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#22 User is offline   639trbl Icon

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Posted 01 March 2004 - 05:58 PM

EXACTLY AK--THE CLOSER TO THE SUB, THE HIGHER THE FAULT CURRENT---THAT IS GENERATED WHEN THERE IS A FAULT ON THE LINE!!

AS FAR AS AMPERAGE, THE RATING ON THE OCR IS USUALLY WHAT THE STICKER SAYS--i,e. 50h, is a 50 amp-- BUT THE TIME/CURRENT CHARACTERISTICS IS THE KEY! THAT IS HOW ENGINEERING SETS THE TRIP CURVE--i.e.--2a-2c--etc....................!

HOPE THIS HELPS YA OUT!
brewsky
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#23 User is offline   aksmith42 Icon

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Posted 02 March 2004 - 05:29 PM

okay i'm all clear except on the amperage rating. like a 50 amp ocr does that mean that it takes 50 amps of fault current to activate the recloser? maybe i'm just not getting it???? or are you saying the rating really doesn't mean anything of rele unsure.gif vance?
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#24 User is offline   MtIda Icon

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Posted 05 March 2004 - 02:07 PM

I'll just bet most everyone one here know this, but it's one I found out the hard way. If you have a recloser, or a substation breaker lock out that you have placed on one shot, never ever never turn the reclosing back to normal until you are ready to make the line back hot. Anytime you enable reclosing on a tripped devise, IT WILL CLOSE. Got a warm oil bath from a faulted xfmr when a reconductor crew went by the substation. they knew the breaker was locked out, but they were on their way home, and wanted to put the reclosing back to normal on the breaker. And that's all they did, but when they did the breaker auto reclosed as I was climbing up to lift the CSP riser. Fun City.
Salus Primo et Semper (Safety First & Always) Y'r Ob'dnt Sr'vnt
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#25 User is offline   crippledlineman Icon

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Posted 05 March 2004 - 02:45 PM

i wouldve been highly pissed bro.....
WHEN WILL WE WAKE UP?

2007 Stats: 19 Killed, 28 Injured
Past 23 years: 833 Killed, 544 Injured +
36 Killed, 24 Injured Per Year
These are just the ones we know about!
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#26 User is offline   639trbl Icon

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Posted 08 March 2004 - 04:02 PM

THANKS FOR THAT INFO MtIDA!!!

I HAVE BEEN THERE MYSELF---JUST WASN'T ON THE POLE WHEN IT HAPPENED!!

THANKS FOR POSTING IT--A LOT OF GUYS NEVER GO IN THE SUBS AND ARE MORE THAN LIKELY UNAWARE OF THAT!! GLAD YOU BROUGHT IT UP!!!

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#27 User is offline   MtIda Icon

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Posted 12 March 2004 - 07:30 AM

Hey Trbl! Saw one of those new cap. banks with the three oil switches and the cute little xfmr. attached. Just driving by, and did a double take, knew something was just not quite right. Eased byck by, and sure enough.....
Salus Primo et Semper (Safety First & Always) Y'r Ob'dnt Sr'vnt
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#28 Guest_TexasLineworker_*

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Posted 18 December 2004 - 01:11 PM

QUOTE (MtIda @ Mar 12 2004, 10:30 AM)
Hey Trbl! Saw one of those new cap. banks with the three oil switches and the cute little xfmr. attached. Just driving by, and did a double take, knew something was just not quite right. Eased byck by, and sure enough.....


Hey Larry, was just goin thru these old posts and ran across this one. It caught my eye because me and Shonuff just installed 2 of those same kind yesterday. Yea, they are a little wierd, but pretty simple. Got a 3rd one to do later next week.
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#29 User is offline   DoneThat Icon

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Posted 18 December 2004 - 06:09 PM

QUOTE (TexasLineworker @ Dec 18 2004, 02:11 PM)
QUOTE (MtIda @ Mar 12 2004, 10:30 AM)
Hey Trbl! Saw one of those new cap. banks with the three oil switches and the cute little xfmr. attached. Just driving by, and did a double take, knew something was just not quite right. Eased byck by, and sure enough.....


Hey Larry, was just goin thru these old posts and ran across this one. It caught my eye because me and Shonuff just installed 2 of those same kind yesterday. Yea, they are a little wierd, but pretty simple. Got a 3rd one to do later next week.




Very interesting how the rest of the country operates......We've been hanging those same cap banks for 20 yrs.. we don't call them oil switches, we call them Kyles, and the xfmr is a 12000/21000y - 120v to operate the controls....
Be careful with the xfmr, seen them self-destruct quite often....

I'll take a pic to show what they look like.....

This post has been edited by DoneThat: 18 December 2004 - 06:10 PM

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#30 Guest_TexasLineworker_*

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Posted 18 December 2004 - 09:57 PM

Sounds good DT. I didn't get to get any pics of the caps that we hung the other day. I also found out that not only can that little transformer make your day go to sh!t, but also if you de-energize that bank and do not give it time for the resistor to bleed off voltage, when you close it in.....KABOOM! Something about the charge can be at a peak negative charge and when you close the switches, the voltage sine can be at a peak positive charge.
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#31 User is offline   shonuff Icon

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Posted 19 December 2004 - 08:22 AM

QUOTE (TexasLineworker @ Dec 18 2004, 09:57 PM)
Sounds good DT. I didn't get to get any pics of the caps that we hung the other day. I also found out that not only can that little transformer make your day go to sh!t, but also if you de-energize that bank and do not give it time for the resistor to bleed off voltage, when you close it in.....KABOOM! Something about the charge can be at a peak negative charge and when you close the switches, the voltage sine can be at a peak positive charge.

Yessiree!
I closed back on one too soon a few years back and instead of being that nice pretty rectangular shape it kinda looked like a football!
Didn't need any more coffee THAT day!
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#32 Guest_TexasLineworker_*

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Posted 19 December 2004 - 08:35 AM

QUOTE (shonuff @ Dec 19 2004, 11:22 AM)
QUOTE (TexasLineworker @ Dec 18 2004, 09:57 PM)
Sounds good DT. I didn't get to get any pics of the caps that we hung the other day. I also found out that not only can that little transformer make your day go to sh!t, but also if you de-energize that bank and do not give it time for the resistor to bleed off voltage, when you close it in.....KABOOM! Something about the charge can be at a peak negative charge and when you close the switches, the voltage sine can be at a peak positive charge.

Yessiree!
I closed back on one too soon a few years back and instead of being that nice pretty rectangular shape it kinda looked like a football!
Didn't need any more coffee THAT day!



LMAO! laugh.gif
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#33 User is offline   oldlineman Icon

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Posted 19 December 2004 - 04:21 PM

Hey Bob; Here are some pics. of the equipment you would see in your area out mapping.

The first 2 are capacitors with there own transformers and kyle switches.

The next one is a LR with a 120v service running to the pole.

The last one is a LR with it's own 120v transformer.
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#34 User is offline   DoneThat Icon

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Posted 19 December 2004 - 05:18 PM

QUOTE (oldlineman @ Dec 19 2004, 05:21 PM)
Hey Bob;  Here are some pics. of the equipment you would see in your area out mapping.

The first 2 are capacitors with there own transformers and kyle switches.

The next one is a LR with a 120v service running to the pole.

The last one is a LR with it's own 120v transformer.


Hey Old,,,,,,,how many of those do you think you put up????
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#35 User is offline   Cracker Icon

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Posted 22 December 2004 - 06:15 AM

Nother good thing to remember about manual close reclosers, (if you have to close them with a stick, vs a control panel) You have to hold them in for a couple of seconds for them to "thump" closed. You can't stick them like a cut out. found this out the hard way, it sure increases the pucker factor being on the end of a six foot chicken stick waiting for the recloser to thump. Specialy if you dont trust your birddog.
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#36 User is offline   MtIda Icon

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Posted 29 December 2004 - 09:19 AM

There will be no names on this account, but in the 2000 ice storm, a serviceman from East Arkansas told me he had a line recloser that would not pick up the "cold Load" when he tried to put the line back in service. He took his long stick, closed the control handle, and just left the sticked propped up under the handle. nono.gif He said the OCR tripped 22 times before it stayed in. I'm surprised it stayed on the pole, and even more so that he stood there and counted the trips. confused-smiley-013[1].gif
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#37 User is offline   three Icon

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Posted 29 December 2004 - 04:02 PM

QUOTE
There will be no names on this account, but in the 2000 ice storm, a serviceman from East Arkansas told me he had a line recloser that would not pick up the "cold Load" when he tried to put the line back in service. He took his long stick, closed the control handle, and just left the sticked propped up under the handle.  He said the OCR tripped 22 times before it stayed in. I'm surprised it stayed on the pole, and even more so that he stood there and counted the trips.


Is this the same guy that taped the phase to a switch stick and stuck it in the ground, subsituting the stick for a pole, and made it hot?
fie.gif
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#38 Guest_TexasLineworker_*

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Posted 29 December 2004 - 06:25 PM

That is what I call Lineman Ingenuity!
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#39 User is offline   crippledlineman Icon

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Posted 29 December 2004 - 06:57 PM

atleast he got the lights back on biggrin.gif
WHEN WILL WE WAKE UP?

2007 Stats: 19 Killed, 28 Injured
Past 23 years: 833 Killed, 544 Injured +
36 Killed, 24 Injured Per Year
These are just the ones we know about!
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#40 User is offline   MtIda Icon

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Posted 30 December 2004 - 06:13 AM

QUOTE (three @ Dec 29 2004, 04:02 PM)
QUOTE
There will be no names on this account, but in the 2000 ice storm, a serviceman from East Arkansas told me he had a line recloser that would not pick up the "cold Load" when he tried to put the line back in service. He took his long stick, closed the control handle, and just left the sticked propped up under the handle.  He said the OCR tripped 22 times before it stayed in. I'm surprised it stayed on the pole, and even more so that he stood there and counted the trips.


Is this the same guy that taped the phase to a switch stick and stuck it in the ground, subsituting the stick for a pole, and made it hot?
fie.gif


No, two different "Old Heads", but you can tell they grew up with the same mind set. "What ever it takes." crazy.gif Hey Tex, your right about that being Lineman ingenuity. I've said it before, if ya got a tough job, just tell a lineman "He!!, there ain't no way in the world you can do that", then just get out of his way.
Salus Primo et Semper (Safety First & Always) Y'r Ob'dnt Sr'vnt
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