摘要 |
The invention concerns a module for the regeneration of electrical energy, intended to be fitted to a speed variator, said module comprising: - two input terminals (d, e) each intended to be connected to a power supply line of the supply DC bus of the speed variator, - three output terminals (a, b, c) intended to be connected to the three input phases (R, S, T) of the speed variator, - a voltage converter connected to the two input terminals (d, e) and intended to control the braking current of the electrical load (C), - a switching circuit connected in series with the voltage converter and intended to switch the braking current (lbrake) to one of the three output terminals (a, b, c). |