[SI-LIST] Re: Resistance of Earth
- From: "Larry Barnes" <larry.barnes@xxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Wed, 12 Nov 2003 13:49:37 -0800
Hi Michael,
If you have an application specific to a particular area of the country, =
may I suggest that you contact the local power company servicing that =
area. Ask for the engineering department. =20
When I was living in Florida, I had an application that I really needed =
to know the conductivity of earth. The power company was extremely =
helpful in providing that information.
Best of luck.
Larry
=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
Lawrence C. Barnes
Principal Signal Integrity Engineer
QLogic Corporation
26650 Aliso Viejo Parkway
Aliso Viejo, CA 92656
(949) 389-7509
(719) 237-9822 cell
larry.barnes@xxxxxxxxxx
-----Original Message-----
From: Salkow, Steven [mailto:steven.salkow@xxxxxxxx]
Sent: Tuesday, November 11, 2003 2:39 PM
To: EMCCOMPLY@xxxxxxx; carterm@xxxxxxxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Resistance of Earth
If your on a Island (coral) things are very different.
Steve
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of EMCCOMPLY@xxxxxxx
Sent: Tuesday, November 11, 2003 12:19 PM
To: carterm@xxxxxxxxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Resistance of Earth
Hello Michael--
I believe you can find the resistivity of earth as a functions of
terrain=20
(single or mixed types of soil), moisture content, salt content, and
even=20
temperature in:
Chapter 2, section 2.7 (PP 2.36 through 2.41) of Grounding and=20
Bonding,
Volume 2 of an 12 volume EMC series published by ICT (now
defunct).=20
The author is Michel Mardiguian, the ISBN is 0-944916-02-3.=20
The book is out of print and Amazon doesn't show alternate sources.
Hopefully=20
your technical library can get a copy of the book or of the selected
pages.=20
Contact me at my email address if you need more help.
Regards,=20
Thurman J. (Bill) Ritenour
EMC Compliance LLC
Boulder, CO 80303
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