K1050F70
| Model | K1050F70 |
| Description | Thyristor Product Catalog |
| PDF file | Total 224 pages (File size: 3M) |
| Chip Manufacturer | TECCOR |
AN1009
Application Notes
Characteristics Formulas for Phase Control Circuits
PRV
Circuit
Name
Half-wave
Resistive
Load
Max Thyristor
Voltage
1.4 E
RMS
SCR
E
P
Max. Load
Voltage
E
d
=Avg.
E
a
=RMS
E
P
-
E
d
= ------
π
E
P
E
a
= ------
-
2
2E
P
E
d
= ----------
-
π
E
P
-
E
a
= -------
1.4
Max. Average Thyristor
or Rectifier Current
Load Voltage
with Delayed Firing
E
P
-
E
d
= ------
(
1 + cos
α )
2π
E
P
1
-
E
a
= ----------
æ
π
–
α
+ -- sin 2
α
ö
-
è
ø
2
2
π
E
d
E
P
= ----------
(
1 + cos
α )
-
2
π
Avg. Amps
E
P
-------
-
πR
Cond. Period
180
Full-wave
Bridge
Full-wave
AC Switch
Resistive
Load
1.4 E
RMS
1.4 E
RMS
E
P
E
P
E
P
-------
-
πR
E
P
-------
-
πR
180
180
E
P
1
-
E
a
= ----------
æ
π
–
α
+ -- sin 2
α
ö
-
è
ø
2
2π
NOTE: Angle alpha (α) is in radians.
E
P
E
RMS
R
Load
0
α
Half-wave Resistive Load – Schematic
Half-wave Resistive Load – Waveform
L
Load
E
R
E
P
0
α
Full-wave Bridge – Schematic
Full-wave Bridge – Waveform
E
P
E
RMS
R
Load
0
α
Full-wave AC Switch Resistive Load – Schematic
Full-wave AC Switch Resistive Load – Waveform
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AN1009 - 4
©2002 Teccor Electronics
Thyristor Product Catalog
