On Mon, 27 Jun 2011 19:57:33 -0700 (PDT), Tim
wrote:

thanks Wayne for the brief discussion this morning about power
inverters. Pure and modified sine wave .

i found this site which answers a lot of questions.


http://www.donrowe.com/inverters/inverter_faq.html

Thanks again.

=====

You're quite welcome.

The following link has a lot of very technical information but on page
6 is a diagram which illustrates the differences in wave forms
produced by different inverter types.

http://m.wpi.edu/Pubs/E-project/Available/E-project-042507-092653/unrestricted/MQP_D_1_2.pdf