Test results
Condition: The whole installation is 220V, 50Hz
CFL test
First, to determine the aging cycle i measured the temperature. Test shows with the 20W CFL goes to 75 deg C in 3 minutes and reaches 88 deg C in 10 minutes. Afterwards, no more temp increase. With 10 minutes off, temp goes down to 32 deg C.
The chosen edging cycle was 10' on / 10' off with two CFLs: one is 20W, the other is 32W, and they are powered in opposed phase (when one is on the other is off). No significant aging done with the 9W lamp
Results
Zero failures in 1184 cycles for each of the two CFLs
9W CFL
Test purpose was to check that when turned off it indeed goes off
Result: in the dark, seems completely off
Fans test
Fan consumption: 180mA
Aging cycle: 1' on / 1' off
Results: zero failures after 3166 cycles
A second 245mA fan tested with ~ 100, as above cycles with zero failures
Rolling Shutters test
Tested shutter consumes 1.2A when going high (as well as when going low)
With ~ 1W/A, triac dissipation is ~ 1.2W, Tj =30+50*1.2=90°. As max rating is Tj mx=125° => no need for heat sink. Furthermore the measured triac’s case temperature, as measured on the tab of the TO220 connected to MT2, did not increase over 40deg C during the shutter travel from lowest to highest position.
Results: 10 cycles with zero failures
Conclusion
Driving fans, CFLs and rolling shutters with circuit of attached schematics seem to be remarkably reliable.