The device (100) has an energy storage (101) i.e. lithium-ion accumulator, for supplying electrical energy. A controller (102) controls charging of the energy storage with electrical energy from a power grid (300) at low load condition of the power grid ba...

A UPS device is coupled to an external power source and another UPS device through a power line. The UPS device includes: a storage battery in which power from the external power source is charged, the UPS device being configured to be capable of supplying...

A process allows the relative locating of a first electrical appliance and a second electrical appliance by the measurement of a first number of alternations or of electrical periods by the first electrical appliance from the energizing of the said first p...

The method of communication between a control circuit (12a) of an electric pump (10a) and a remote circuit (1) in electrical connection with the pump via the control circuit, the remote circuit supplying electrical power to the pump through this electrical...