Abstract: An uninterruptible power system and an operation method thereof are provided. The uninterruptible power system comprises a DC-AC conversion circuit, a plurality of switches, a plurality of sensing units, a plurality of output ports and a control unit. Each output port is electrically coupled to an output terminal of the DC-AC conversion circuit sequentially through one of the sensing units and one of the switches. The control unit is configured to define members of at least one group from the output ports according to a system setting, and define which members of each group are non-critical output ports according to the system setting. The control unit is further configured to set, according to the system setting, at least one condition for all non-critical output ports in each group to simultaneously stop supplying power, and to accordingly control the operations of the corresponding switches.

Abstract: An off-line uninterruptible power system and two line-interactive uninterruptible power systems are provided. The off-line uninterruptible power system and one of the line-interactive uninterruptible power systems additionally adopt a transformer for supplying an AC output, with lower voltage level than a rated output voltage, to at least one electrical device (especially those with resistive load characteristic). The other line-interactive uninterruptible power system controls its automatic voltage regulating circuit to supply an AC output, with lower voltage level than a rated output voltage, to at least one electrical device (especially those with resistive load characteristic).

Abstract: A power conversion circuit for an uninterruptible power system, including an inductor, a first capacitor, a second capacitor, a first switch, a second switch, a third switch, a first diode, a second diode, and a third diode body, is provided. A terminal of the second switch is electrically coupled to the inductor through the first switch, and another terminal of the second switch is electrically coupled to a neutral wire and the third switch. An anode and a cathode of the first diode are electrically coupled to the first switch and a positive DC bus, respectively. A cathode and an anode of the second diode are electrically coupled to the first switch and the third switch, respectively. A cathode and an anode of the third diode are electrically coupled to the third switch and a negative DC bus, respectively. In addition, an uninterruptible power system using the same is provided.

Abstract: A power device and a method for visualizing information thereof are provided. The power device is configured to provide operation power to at least one load. The power device comprises a display interface and a control circuit. The control circuit is configured to display a color icon by the display interface, so as to show at least one of a system status and a system setting of the power device by the color icon.

Abstract: A power supplying device comprising a battery, a charging circuit and a DC-AC conversion circuit is provided. The charging circuit is electrically coupled to an AC power source and configured to charge the battery. The DC-AC conversion circuit is electrically coupled to the battery and configured to supply an AC output. When the power supplying device is powered on, both of the charging circuit and the DC-AC conversion circuit are enabled.

Abstract: A power device and an operating method thereof are provided. The power device comprises a communication interface and a control circuit. The control circuit is configured to connect a network through the communication interface, and to execute a web server program to provide a web-based user interface. The web-based user interface is configured to provide a plurality of web pages, and the web pages are configured to present a plurality of different related information of the power device. The web-based user interface is further configured to provide a virtual button. When the control circuit determines that the virtual button is clicked once, the control circuit collects the related information from different addresses corresponding to the related information in a memory space, and packages the collected related information as a single file, so as to perform a follow-up process on this single file.

Abstract: An uninterruptible power system and an operation method thereof are provided. The uninterruptible power system has a plurality of function blocks which form a topology structure of the uninterruptible power system. The uninterruptible power system comprises a sensing circuit and a control circuit. The sensing circuit is configured to sense the function blocks and to generate a sensing data accordingly. The control circuit is configured to determine, according to the sensing data, whether an event occurs in any of the function blocks. When the determination is yes, the control circuit generates an event code corresponding to the event and outputs a control command accordingly. The control command is used to control a display interface to display the event code, and is used to control the display interface to send a prompt message through a function block graphic symbol corresponding to the event code in the displayed topology structure.

Abstract: An on-line uninterruptible power system and an operation method thereof are provided. The on-line uninterruptible power system comprises a first switch unit, a second switch unit, a charging circuit, a DC-AC conversion circuit, a power factor correction circuit and a control circuit. When the on-line uninterruptible power system is in a line mode, the control circuit controls the operation of the power factor correction circuit to limit the magnitude of its input current to not exceed a first predetermined value.

Abstract: An uninterruptible power system comprising an input unit, a battery, a first voltage conversion unit, a second voltage conversion unit, an output unit and a control circuit is provided. The control circuit is configured to control the operations of the input unit, the first voltage conversion unit, the second voltage conversion unit and the output unit, and to determine whether to derate the rated output power of the uninterruptible power system according to a first setting command, wherein the first setting command is used to indicate whether the uninterruptible power system is electrically connected to AC power source through a power cord. In addition, an operation method corresponding to the uninterruptible power system is also provided.

Abstract: A adapter having an inputting terminal and an outputting terminal is provided. The adapter further includes a converter having a first side and a second side, a testing switch having a first terminal and a second terminal, a detecting circuit and a first indicator. The first side is coupled to the inputting terminal. The second side is coupled to the outputting terminal. The converter is used to convert inputting power for providing outputting power to a load system. The first terminal is coupled to the second side. The detecting circuit is coupled to the second terminal. When the first terminal and the second terminal of the testing switch are conducted, the load system is disconnected with the adapter by the detecting circuit. The detecting circuit is used to detect an outputting signal for generating a detecting result. The first indicator sends a message according to the detecting result.

Abstract: A power device and a method for visualizing information thereof are provided. The power device is configured to provide operation power to at least one load. The power device comprises a display interface and a control circuit. The control circuit is configured to display a color icon by the display interface, so as to show at least one of a system status and a system setting of the power device by the color icon.

Abstract: The present invention provides a battery management system, which is applicable to at least one battery string, wherein each battery string comprises a plurality of batteries connected in series. The battery management system comprises a plurality of battery sensors and a main controller. Each battery sensor measures at least one corresponding battery and has a first communication module, and each battery sensor issues a broadcast through the first communication module when its power is activated. The main controller has a second communication module. The second communication module and the first communication modules are signal connected in parallel. The main controller executes a web server program to provide a web page. When the main controller receives the broadcast, the main controller displays an addressing interface by the web page, so as to assign each battery sensor to at least one corresponding battery to complete the addressing of the battery sensors.

Abstract: A power device with self-health status prediction function and a self-health status prediction method thereof and a cloud server suitable for a plurality of power devices are provided. The power device is configured to obtain a health index prediction model and a health prediction index threshold of the power device from the cloud server through a communication module thereof, and is configured to put a plurality of obtained sensing data and basic information of the power device into the health index prediction model to obtain a health prediction index. The power device is also configured to obtain a health status prediction data of the power device according to a comparison result between the health prediction index and the health prediction index threshold, so as to perform a follow-up process. Wherein the health index prediction model is constructed and trained by the cloud server by way of machine learning.

Abstract: A battery management system comprises a battery manager and battery sensors for sensing related information of each battery in a battery string. The batteries in the battery string are divided into a plurality of first groups. The battery sensors are divided into a plurality of second groups. Each second group senses the batteries in a corresponding first group, and each battery sensor senses at least one battery. Each of a part of the communication ports of the battery manager is signally connected to the battery sensors of one of the second groups. The number of the battery sensors in each second group is less than or equal to the number of battery sensors that each communication port can support. The battery manager merges the battery sensors signally connected to the part of the communication ports into one group according to a merging command, and regards the merged battery sensors as battery sensors of a same battery string accordingly.

Abstract: A power supplying device comprising a battery, a charging circuit and a DC-AC conversion circuit is provided. The charging circuit is electrically coupled to an AC power source and configured to charge the battery. The DC-AC conversion circuit is electrically coupled to the battery and configured to supply an AC output. When the power supplying device is powered on, both of the charging circuit and the DC-AC conversion circuit are enabled.

Abstract: A charging device including a converter and a controller coupled with the converter is provided. The charging device is suitable for charging to an electronic device having a rated input voltage value. The converter can receive a power. Wherein, the controller makes the converter to output a first charging voltage value to the electronic device. The first charging voltage value is greater than the rated input voltage value of the electronic device. Further, a charging method of the charging device is provided.

Abstract: A UPS with voltage-balancing state detection of batteries includes a processor, a voltage measurement module, a voltage control module, a battery pack and a display unit. Each of the voltage measurement module and the voltage control module is connected to the processor and the battery pack. The processor is connected to the display unit, generates a voltage index value according to voltage values measured by the voltage measurement module and a voltage-balancing state according to the voltage index value and a set of index ranges, controls charging to the battery pack according to the voltage values through the voltage control module, acquires an updated voltage-balancing state of the battery pack, and instructs the display unit to display the voltage-balancing state to prompt users for battery replacement when the voltage-balancing state and the updated voltage-balancing state acquired within a state-holding time are identical.

Abstract: A PDU (power distribution unit) having capability for remaining power management, the PDU has a plurality of first outlets, the PDU can electrically connect with a UPS (Uninterruptible Power Supply), the PDU and the UPS can be communicatively connected to a manager; wherein the PDU can receive a remaining power parameter which is transmitted from the UPS, the manager can use the user interface to display the remaining power parameter, and the manager can use the user interface to set up at least one outlet action, the PDU can control at least one the first outlet to execute the outlet action according to the remaining power parameter.

Abstract: An uninterruptible power supply comprising a first switch unit, a charging circuit, a first voltage conversion circuit, a second voltage conversion circuit, a second switch unit and a control circuit is provided. When the uninterruptible power supply performs a battery activation operation, the control circuit controls the first switch unit to provide the AC power received by the uninterruptible power supply to a terminal of a bypass path, controls the first switch unit to provide the output of a battery to the first voltage conversion circuit, controls the second switch unit to electrically couple the output terminal of the uninterruptible power supply to the other terminal of the bypass path, controls the charging circuit to stop charging the battery, and controls the first voltage conversion circuit to perform a DC-DC conversion operation. In addition, a corresponding battery activation operation method is also provided.

Abstract: A power outlet device including a first socket assembly coupled to an external power, a first switch, a detecting circuit coupled to first socket assembly through the first switch, and a controller is provided. The first switch is coupled to the first socket assembly for turning, on or off the power supply of the first socket assembly. The detecting circuit detects at least one power value of the first socket assembly. The controller is coupled to the first switch and the detecting circuit respectively, and averages the plurality of power values within a predetermined time for generating an average power value. The controller turns on or off the first switch according to the average power value and a current power value. A controlling method of the power outlet device is further provided.