Question

Given the circuit below, calculate the values of R1, R2, and C1 that could achieve the widest possible range of firing angle. (Note that adding resistors and capacitors that could improve the range is also welcome). Provide complete solutions and give justification for the changes. The possible photoresistor models include: GL5539, GL5537, GL5528, GL5516, GL5506. Rload VV 5.76 R1 R V1 D5 D7 R2 R Photoresistor {Rin} Amplitude-56V Frequency-60Hz 1N914 1N914 SINE(05660) U1 U2 D6 D8 BTA12-600C 1N914 1N914 DB3 C1 C .tran 20ms .step param Rin 1k 10k - 1k .INCLUDE st_standard_snubberless_triacs.lib .INCLUDE st_diacs.lib

          Given the circuit below, calculate the values of R1, R2, and C1 that could achieve the widest possible range of firing angle. (Note that adding resistors and capacitors that could improve the range is also welcome). Provide complete solutions and give justification for the changes.

The possible photoresistor models include: GL5539, GL5537, GL5528, GL5516, GL5506.

Rload VV 5.76 R1

R V1 D5 D7 R2 R Photoresistor {Rin} Amplitude-56V Frequency-60Hz 1N914 1N914 SINE(05660) U1 U2 D6 D8 BTA12-600C 1N914 1N914 DB3 C1 C .tran 20ms .step param Rin 1k 10k - 1k .INCLUDE st_standard_snubberless_triacs.lib .INCLUDE st_diacs.lib

given the circuit below calculate the values of r1 r2 and c1 that could achieve the widest possible range of firing angle note that adding resistors and capacitors that could improve the ran 15386

Added by Nicole C.

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