X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from m15.nyc.untd.com ([64.136.22.78] verified) by logan.com (CommuniGate Pro SMTP 5.0c2) with SMTP id 715625 for flyrotary@lancaironline.net; Thu, 08 Sep 2005 14:18:42 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.136.22.78; envelope-from=jbker@juno.com Received: from m15.nyc.untd.com (localhost [127.0.0.1]) by m15.nyc.untd.com with SMTP id AABBUBACTAUVUZ6J for (sender ); Thu, 8 Sep 2005 11:17:53 -0700 (PDT) Received: (from jbker@juno.com) by m15.nyc.untd.com (jqueuemail) id K4D6B7FF; Thu, 08 Sep 2005 11:16:58 PDT To: flyrotary@lancaironline.net Date: Thu, 8 Sep 2005 14:14:30 -0400 Subject: Re: [FlyRotary] Re: Overvoltage control (help Ed A) Message-ID: <20050908.141430.1908.5.JBKER@juno.com> X-Mailer: Juno 5.0.33 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary=--__JNP_000_0919.0dca.484d X-Juno-Line-Breaks: 8-6,10-15,17,24-25,27-32767 From: WALTER B KERR X-ContentStamp: 22:11:3605741320 X-UNTD-OriginStamp: Y+Mfppm2QyGfnY/dq+iW1enkrmWNJXYqsQU4tDoQhzyQsBsFkc1v/A== X-UNTD-Peer-Info: 127.0.0.1|localhost|m15.nyc.untd.com|jbker@juno.com This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ----__JNP_000_0919.0dca.484d Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit If you don't have a low current way to break the field current, and need to break the high current line, then you have to used this OV module to trip a breaker that's holding in a main contactor for your high current "B" lead. If any of that was confusing, Ed can explain it :-) Cheers, Rusty ====================================== Help Ed. I almost understand Rusty's comments, but Mark S left me in the dust. Us old dogs are sometimes hard to train! I think that with an internal regulator; just because you break the field current supply , a failed regulator may keep powering the field with the internal alternator voltage. The continous breaker in the big alternator line can protect the battery and airplane except what happens to the alternator in the meantime if the interal regulator is applying a large field current to the field will the alternator burn up quiet rapidly and possible start a fire? Bernie, soggy Treasure Coast although we had a bonanza just taxi in so must be drying out a little ----__JNP_000_0919.0dca.484d Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: quoted-printable Message
&= nbsp; If you=20 don't have a low current way to break the field current, and need to = break=20 the high current line, then you have to used this OV module to trip a= =20 breaker that's holding in a main contactor for=20 your high current "B" lead.  If any of that was confusing, Ed can explain it=20 :-)

 

= Cheers,=20

= Rusty=20

 

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Help Ed. I almost understand Rusty's comments,= but=20 Mark S left me in the dust. Us old dogs are sometimes hard to=20 train!

I think that with an internal regulator; just = because=20 you break the field current supply , a failed regulator may = keep=20 powering the field with the internal alternator voltage. The continous = breaker=20 in the big alternator line can protect the battery and airplane except = what=20 happens to the alternator in the meantime if the interal regulator is = applying=20 a large field current to the field will the alternator burn up quiet = rapidly=20 and possible start a fire?

 

Bernie, soggy Treasure Coast although we had a= =20 bonanza just taxi in so must be drying out a=20 little

 
----__JNP_000_0919.0dca.484d--