Performance measurement and analysis of single phase AC-DC controlled bridge rectifier with different filters
Answer the questions given below (refer Fig.1):
(a)
(b)
Fig. 2. Circuit configuration of single-phase controlled rectifier with (a) C-Filter and (b) L-C-Filter.
1. When the firing angle of a thyristor in a controlled rectifier circuit is increased, what happens to the average output load voltage?
(a)
(b)
Fig. 2. Circuit configuration of single-phase controlled rectifier with (a) C-Filter and (b) L-C-Filter.
1. When the firing angle of a thyristor in a controlled rectifier circuit is increased, what happens to the average output load voltage?
2. In a controlled rectifier circuit, what is the use of the firing angle control?
3. What is the primary advantage of using an LC-filter over a C-filter in a controlled rectifier circuit?
4. What is the effect of increasing the load resistance in LC-filter based controlled bridge rectifier?
5. In a controlled rectifier circuit with an LC filter, if the firing angle of the thyristors is increased, what happens to the ripple frequency of the output voltage?