Re: [PSES] Slip Rings and EMI

2012-05-04 Thread Ed Price
Many good comments already, but I'll add don't forget about the shielding integrity of the slip ring assembly as a whole. I had a catastrophic problem with a military auto-tracking antenna assembly in which the vendor bought a commercial slip ring assembly. The slip ring contacts were not a

[PSES] PV test lab for efficiency

2012-05-04 Thread Doug Powell
All, I am seeking information on availability of a test lab, qualified to do CEC efficiency testing (Sandia protocol) for Solar PV with power capability of up to 500 kW. Preference is an accredited lab able to write a letter of attestation. Location is only of secondary concern. -- Thanks,