An energy store is described. The energy store includes at least one storage cell and one storage cell management system, which includes a charge distribution circuit for monitoring the charging and discharging of the storage cell, the energy store being shiftable by the storage cell management system into an active state or into a passive state, the storage cell management system including a logic circuit, including a switch for switching between the active state and the passive state and the switch being switchable by inserting the energy store into a guide. An energy storage system including such an energy store and a guide, is also described.

A system for controlling a high-voltage relay of an eco-friendly vehicle includes a high-voltage battery, a plurality of driving devices driven with power supplied from the high-voltage battery, a relay unit including the high-voltage relay and a relay coil, the high-voltage relay being driven based on an amount of current flowing through the relay coil to interconnect the high-voltage battery and the driving devices, a load determiner for determining whether a conduction current load of the high-voltage relay is high or low, and a controller for changing the amount of current flowing through the relay coil based on a result of the determination of the load determiner.

This regional energy management device calculates the power interchange between consumers, on the basis of: storage battery level distribution indicating the relationship between storage battery levels and the position of storage batteries in a region at each time; excess or shortages of power for each consumer at each time, if a consumer has implemented a power supply equipment operation plan for fulfilling a consumer target index for that consumer; and an overall regional target index.

An energy storage system (ESS) including a plurality of battery modules and a battery protection unit, the battery protection unit includes a microcontroller (MCU) for controlling charge and discharge of the ESS, a first main contactor and a second main contactor connecting or disconnecting between the plurality of battery modules and an output terminal of the ESS under control of the MCU, and a disconnector disposed between the first main contactor and the second main contactor and connecting or disconnecting the plurality of battery modules, the first main contactor, and the second main contactor, the first main contactor and the second main contactor are turned on or off, by the MCU, depending on whether a predetermined voltage is applied.

A chassis structure of an apparatus contains a battery. Charger circuitry is operable to provide charge to the battery. Discharge circuitry is operable to receive charge from the battery. Switch circuitry is coupled between the battery and each of the charger circuitry, the discharge circuitry, and a load. A connector at an exterior surface of the chassis couples the apparatus to a power supply. The switch circuitry is coupled to the connector via the charger circuitry. A first control activable at the exterior surface of the chassis structure is operable to generate, in response to being activated, a first control signal to request a first switch state wherein the battery is electrically coupled to the discharge circuitry. A controller circuit coupled to receive the first control signal from the first control and, based on the first control signal, to operate the switch circuitry to provide the first switch state.

A cell balancing device based on a capacitor network, a cascadable balancing battery pack, and a control method thereof, used for battery pack balancing control, and the battery pack being composed of n battery units connected in series; the cell balancing device comprises: n half bridge circuits, each half bridge circuit being connected in parallel to two ends of a battery unit, the midpoint of each half bridge circuit being connected in parallel to a corresponding switch capacitor, and each half bridge circuit comprising two switch transistors connected in series; an energy storage capacitor network, comprising a basic energy storage capacitor network composed of n switch capacitors connected in series; a chain-type driving capacitor network, one end thereof being electrically connected to one of the half bridge circuits or the energy storage capacitor network, and the other end thereof being electrically connected to a drive pulse generator, and the drive pulse generator being electrically connected to the chain drive capacitor network; and a control logic circuit electrically connected to the battery pack, the drive pulse generator, and a master control panel. Using the present solution, the cell balancing device of the present application has excellent balancing effects, reliable performance, strong universality, and strong scalability.

An energy storage apparatus 20 includes: energy storage devices B1 to B4; a cutoff switch 40 that cuts off current of the energy storage device; a parallel circuit 70 including a rectifier element 75 in which a discharge direction is set to a forward direction, the parallel circuit 70 being connected in parallel to the cutoff switch 40; a first current sensor 50 that measures the current of the energy storage devices B1 to B4; a discharge circuit 90 that discharges an inspection current to the first current sensor 50 through a discharge path including the parallel circuit 70 using the energy storage device as a power source; and a controller 80. The controller 80 determines whether the first current sensor 50 correctly measures the current based on a measurement value of the inspection current Ib.

A wiring system for a vehicle is specified, which has a voltage source and an electrical load, whereby a need for the electrical load depends on an external condition. Furthermore, the wiring system has a load path with an electrical line, which connects the voltage source to the electrical load, and a first switching element, which is arranged in the load path, for disconnecting the electrical load from the voltage source, wherein a working range of the external condition is defined, within which the function of the electrical load is reasonable, and a control unit is arranged, which is designed in such a way that a switching on of the electrical load is prevented if the external condition lies outside the working range. Furthermore, a method for the design of an electrical line of such a wiring system is given.

A battery system, control device, and control method are provided that can improve the cycle service life. One aspect of the present invention is a battery system comprising: a plurality of battery units including at least one battery cell that has a negative electrode that is free of a negative electrode active material; a plurality of switches that can switch between a first state in which a battery unit is connected to a charging pathway or a discharge pathway, and a second state in which a battery unit is not connected to the charging pathway or the discharge pathway; a charge control unit; and a discharge control unit, wherein the charge control unit includes a first switch control unit that simultaneously sets “a” (where “a” is an integer equal to or greater than 2) selected switches to the first state and sets the remaining switches except the “a” switches to the second state, and the discharge control unit includes a second switch control unit that simultaneously sets “b” (where “b” is an integer less than “a”) selected switches to the first state and sets the remaining switches except the “b” switches to the second state.

A system for wake-up control of parallel battery packs includes a first battery pack and a second battery pack connected in parallel. The first battery pack includes a first control unit, and the second battery pack includes a second control unit. The first battery pack is configured to receive a first trigger signal to wake up the first control unit. The first control unit of the first battery pack is configured to output a first driving signal after being woken up. The second battery pack is configured to receive a second driving signal sent from the first battery pack, and transmit the processed second driving signal to the second control unit of the second battery pack, to wake up the second control unit of the second battery pack. The second driving signal is output after the first driving signal is processed by the first battery pack.