[From nobody Wed Apr 22 11:36:07 2009 X-Account-Key: account2 X-Mozilla-Keys: Return-Path: <daz111@rsphysse.anu.edu.au> X-Original-To: djg113@rsphysse.anu.edu.au Delivered-To: djg113@rsphysse.anu.edu.au Received: from anumail9.anu.edu.au (anumail9.anu.edu.au [130.56.64.135]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by rsphymail.anu.edu.au (Postfix) with ESMTP id 9F90F10810A for <djg113@rsphysse.anu.edu.au>; Tue, 21 Apr 2009 18:31:09 +1000 (EST) Received: from mailin4.anu.edu.au (mailin4.anu.edu.au [130.56.64.231]) by anumail9.anu.edu.au (8.14.3/8.14.3) with ESMTP id n3L8V91S009606 for <dennis.gibson@anu.edu.au>; Tue, 21 Apr 2009 18:31:09 +1000 (EST) Received: from mailin4.anu.edu.au (localhost.localdomain [127.0.0.1]) by localhost (Postfix) with SMTP id ED3D0C0003 for <dennis.gibson@anu.edu.au>; Tue, 21 Apr 2009 18:31:08 +1000 (EST) Received: from rsphymail.anu.edu.au (rsphymail.anu.edu.au [150.203.176.80]) by mailin4.anu.edu.au (Postfix) with ESMTP id B53A6C0002 for <dennis.gibson@anu.edu.au>; Tue, 21 Apr 2009 18:31:08 +1000 (EST) Received: from [192.168.1.254] (c220-237-59-37.fernt2.vic.optusnet.com.au [220.237.59.37]) (using SSLv3 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) (Authenticated sender: daz111) by rsphymail.anu.edu.au (Postfix) with ESMTP id 5D9B710810A for <dennis.gibson@anu.edu.au>; Tue, 21 Apr 2009 18:31:08 +1000 (EST) Subject: VSDs From: Darren Freeman <daz111@rsphysse.anu.edu.au> Reply-To: dfreeman@ieee.org To: Dennis Gibson <dennis.gibson@anu.edu.au> Content-Type: text/plain Date: Tue, 21 Apr 2009 18:30:55 +1000 Message-Id: <1240302655.12307.126.camel@dirac.home> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2 Content-Transfer-Encoding: 7bit X-PMX-Version: 5.5.4.371499, Antispam-Engine: 2.7.1.369594, Antispam-Data: 2009.4.21.81929 internal X-PMX-Outbound: anu.edu.au X-PMX-Info: from-anu X-PerlMx-Spam: Gauge=IIIIIIII, Probability=8%, Report=' SUBJ_1WORD 0.1, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_300_399 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, RDNS_GENERIC_POOLED 0, RDNS_SUSP 0, RDNS_SUSP_GENERIC 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __SANE_MSGID 0, __TO_MALFORMED_2 0' Dennis, I have come across a cache of hardly used variable speed drives. I wonder if you guys could use one? The largest is 11 kVA, 480V max and 17A max, 440 Hz max. They are surprisingly clever devices, the manual says they can even do PID control if you supply an analogue sensor input. Maybe we could do a trade if there is a group in need. Have fun, Darren ]