Re: 3-Phase Power Question

2003-06-06 Thread b...@lyons.demon.co.uk
In message <5.2.0.9.0.20030605162053.009f3...@pop.pacbell.yahoo.com> Richard Meyette writes: > I measured the following phase voltages for the 3-phase power lines feeding > a breaker box: > > phase to phase (all three phases) = 240V > > phase to neutral (2 of 3 phases) = 120V >

Re: EMC standards for UPS supplies

2003-04-09 Thread b...@lyons.demon.co.uk
Dave: IEC 62040-2 - Uninterruptible power systems (UPS) - Part 2: Electromagnetic compatibility (EMC) requirements https://domino.iec.ch/webstore/webstore.nsf/artnum/023663 Regards, Bill Lyons -- Bill Lyons - b...@lyons.demon.co.uk / w.ly...@ieee.org Claude Lyons Limited Brook Road

Re: G5-4 Harmonics Emissions Limits for Industrial Apparatus.

2003-04-01 Thread b...@lyons.demon.co.uk
ook Road, Waltham Cross, Herts EN8 7LR, UK Tel: +44 (0)1992 768 888 Fax: +44 (0)1992 788 000 email: b...@lyons.demon.co.uk URL: http://www.claudelyons.co.uk This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: htt

Re: Use of the # button on telephone dial

2003-03-20 Thread b...@lyons.demon.co.uk
ates cancel and the second is the terminator. The command *#21# means "interrogate diversion status". Many other network features use the # button in a similar way. -- Bill Lyons - b...@lyons.demon.co.uk / w.ly...@ieee.org This message is from the IEEE EMC Society Product Safety Technica

Re: Violation of IEEE emc-pstc advertising rule

2003-02-13 Thread b...@lyons.demon.co.uk
d colleagues have posted guidelines and messages without managing to stop this, which is very annoying and inconvenient to those on a chargeable dial-up connection. It it possible to set the server to reject or require curtailment of messages over a reasonable limit - say 10K? -- Bill Lyons

Re: SV: Proposed new EMC Directive.

2003-02-01 Thread b...@lyons.demon.co.uk
ur such as is commonly used in securing legal and other documents. Hence b. Excessive formality or attention to routine; rigid or mechanical adherence to rules or regulations. -- Bill Lyons - b...@lyons.demon.co.uk / w.ly...@ieee.org This message is from the IEEE EMC Society Product Safe

Comment re: RE: SV: NRTL in the U.S.

2003-01-18 Thread b...@lyons.demon.co.uk
eprecate the posting of binaries/attachments.) Incidentally, I'm sure "Conformity" will be delighted at the free publicity, but there can be copright issues in posting articles or other third party documents to mailing lists or newsgroups. Again my apologies for any unintemded offen

Re: European 3 Phase

2003-01-09 Thread b...@lyons.demon.co.uk
ovide at our cost an artificial star point (static balancer) as there wasn't a neutral! Don't know if this system still exists.] Bill -- William Lyons Claude Lyons Limited, Brook Road, Waltham Cross, Herts EN8 7LR, UK Tel: +44 (0)1992 768 888 Fax: +44 (0)1992 769 849 email: b...

Re: EUROPEAN VOLTAGE HARMONISATION

2003-01-06 Thread b...@lyons.demon.co.uk
y variations. Hope this helps. Bill -- Bill Lyons - b...@lyons.demon.co.uk / w.ly...@ieee.org 2.2.1 European Voltage Harmonisation ~~ The nominal European voltage is now 230V 50 Hz (formerly 240V in UK, 220V in the rest of Europe) but this does no

RE: Changes to IEEE emc-pstc web-based services

2003-01-02 Thread b...@lyons.demon.co.uk
eivable on anything from basic DOS software up and at any connection speed. The only disadvantage is it is not moderated, but it is a pretty low traffic group and there would be no difficulty identifying professional contributions. Regards Bill -- Bill Lyons - b...@lyons.demon.co.uk / w.l

Re: Changes to IEEE emc-pstc web-based services

2003-01-01 Thread b...@lyons.demon.co.uk
articipation. I strongly support John's comment. Best wishes to all for the New Year. Bill -- Bill Lyons - b...@lyons.demon.co.uk / w.ly...@ieee.org This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.e