 |
napięcie powrotne
o | częstotliwości sieciowej
| napięcie powrotne | |
| PSP | tempo de restabelecimento |
| częstotliwość sieciowa | |
| el.gen. | frequência industrial |
| |||
| tempo de restabelecimento | |||
| tensão de restabelecimento | |||
| napięcie powrotne: 6 phrases in 2 subjects |
| Electrical engineering | 1 |
| Power system protection | 5 |