- 31
- Oct
Comparison of parallel and series circuits used in intermediate frequency power supplies
Comparison of parallel and series circuits used in intermediate frequency power supplies
| project | Type of IF power supply | |||
| (a) Parallel type | (b) Tandem type | (c) Series and parallel | ||
| Rau cov zis voltage waveform | Sine yoj | Rectangular wave | Sine yoj | |
| Output current waveform | Rectangular wave | Sine yoj | Sine yoj | |
| Fundamental voltage of induction coil | Inverter cov zis hluav taws xob | Q×Inverter output voltage | Inverter cov zis hluav taws xob | |
| Fundamental current of induction coil | Q×Inverter output current | Inverter output current | Q×Inverter output current | |
| DC filter link | Large reactance | Large capacitance | Large capacitance | |
| Anti-parallel diode | Tsis xav tau | siv | siv | |
| Thyristor | du/dt | me me | loj | me me |
| di/dt | loj | me me | feem ntau | |
| Impact of commutation overlap | Series reactance and distributed inductance cause commutation overlap | tsis muaj | tsis muaj | |
| Protection against commutation failure | yooj yim | nyuaj | nyuaj | |
| Ntxiv-ntawm | ob peb | feem ntau | ntau | |
| Exchange efficiency | High (about 95%) | Fair (about 90%) | Low (about 86%) | |
| Stability of operation | Stable in a large range | Poor adaptability to load changes | Difficulty in manufacturing devices below 1000HZ | |
| energy saving effect | zoo | feem ntau | qhov sib txawv | |
