A drive circuit () and an electrical apparatus () are disclosed. The drive circuit () includes a driving module () which is connected to a driving end of an active fuse () and configured to provide a constant current and a constant voltage. The active fuse () blows under the driving of the constant…
A direct current residual current protection device having a controlled current discharge having a positive and a negative input terminal, a positive and a negative output terminal, a first switch, a controller and a discharge control circuit. The first switch is interposed between the positive…
An electrical assembly, comprising: a main current sensor; a main pyrotechnic fuse connected in series with the main current sensor; a first contactor connected in series with the main current sensor and the main pyrotechnic fuse; a first load circuit electrically connected to the first contactor…
A protector for an electricity supply circuit includes: a power switch (11) capable to switch between connection and disconnection of the electricity supply circuit; a controller (12) configured to output a switching command signal to the power switch (11) in accordance with an input signal; and a…
The present disclosure relates to a detecting circuit for a circuit breaker (10), comprises: a detection sensor (20) configured to output a detection signal by detecting a voltage or a current on an alternating current electric power circuit; a low pass filter (30) configured to output a signal…
A power supply circuit apparatus, and method for controlling the same, includes multiple power supplies 110, 120 connected to a load via power channels 116, 126 and a controller 160. The controller detects a short circuit in the power supply based on a measured load input current.