Abstract: The present invention discloses a method of modulating a power supply conversion curve. The method obtains an input power and an output power of the power supply device for a conversion efficiency curve, and obtains the best efficiency value in the conversion efficiency curve, and then obtains a total load using power outputted by the power supply device, in order to adjust the best efficiency value, such that the best efficiency value is directly proportional to the total load using power, and the power supply device is operated at the best conversion efficiency to achieve the energy saving effect.

Abstract: An individual control circuit and method of multiple power output to be used on a single server power supply system includes a circuit board to receive power from the single server power supply system, a plurality of power output units located on the circuit board each supplies power required by a power system and each has a power OFF mode and a power ON mode, and a control circuit located on the circuit board to drive the power output units to output power. The control circuit receives a duty signal from feedback of the power system to determine whether the power system is abnormal, and orders the power output unit which provides power at the front end of the abnormal power system to enter the power OFF mode.

Abstract: The present invention discloses a control structure for a power supply, which comprises: a primary power system, a power switching unit, and at least one switch. The primary power system transforms an external source power into DC powers. The power switching unit is normally electrically connected with the primary power system and normally driven by a DC power output by the primary power system. The switch is installed on a DC power cable supplying DC power to an internal electronic device. Thereby, when the computer is turned off, the present invention will not be affected but can still provide DC powers to external electronic devices. Further, even though the computer is turned off, the present invention can still provide the external electronic devices with the maximum power (when only the primary power system is installed) or the total power (when the primary power system is connected in parallel with a regular power system).

Abstract: A redundant power supply system aims to balance power supply among main power units and stationary power units to achieve optimum output quality for the main power units and stationary power units, and also prevent interruption of power supply resulting from any main power units or stationary power units. It includes a power integration control unit. The power integration control unit and the main power units and stationary power units are bridged respectively by a power balance unit which functions in a load power balance mode such that the power integration control unit outputs a total output power in power ON and standby conditions, and each power supply device delivers actual output power according to the load ratio of the power supply device.

Abstract: A heat dissipating apparatus with stationary power supply includes power supplies having a primary power system and a stationary power system, at least one heat dissipating fan and a fan driving unit electrically connected to the stationary power system. The stationary power of the fan driving unit is used for the operation, and the stationary power system has a function of detecting the temperature during its normal output and determining whether or not to supply stationary power for the operation of the heat dissipating fan according to the temperature inside a computer casing, such that the computer casing can achieve the effect of lowering its internal temperature normally and automatically.

Abstract: A control circuit and control method of electric output modes for a stacked power supply system which has a circuit board to integrate a plurality of power supply devices to output electricity. The circuit board has a control circuit to actuate the power supply devices. The control circuit provides a parallel power supply mode and a backup power supply mode, and is connected to a switch device which provides a first signal source and a second signal source corresponding to the parallel power supply mode and the backup power supply mode to enable users to select an actuation signal output from the control circuit to determine the parallel power supply mode or backup power supply mode of the power supply devices.

Abstract: A backup-type power supply system aims to integrate power output according to different potentials through different power supply modules. Each power supply module includes backup-type N+1 power supply devices and an independent power balance unit to output power in a balanced fashion so that users can add the power supply module of independent potential according requirements. Thereby transformation power loss of the power supply devices can be reduced. The power supply devices can be designed with different specifications and dimensions corresponding to different electronic devices.

Abstract: A heat dissipating apparatus with stationary power supply includes power supplies having a primary power system and a stationary power system, at least one heat dissipating fan and a fan driving unit electrically connected to the stationary power system. The stationary power of the fan driving unit is used for the operation, and the stationary power system has a function of detecting the temperature during its normal output and determining whether or not to supply stationary power for the operation of the heat dissipating fan according to the temperature inside a computer casing, such that the computer casing can achieve the effect of lowering its internal temperature normally and automatically.

Abstract: A chain reaction control circuit for parallel power supply provides greater power without changing the design of the original power supply structure. It includes a control unit to receive a first power actuation signal output from a power actuation unit, then output multiple sets of second power actuation signals to parallel power supplies. The multiple power supplies that are coupled in parallel receive the second power actuation signals and transform electric power simultaneously, then output electric power. After the electric power transformation has been finished, first power confirmation signals are output from the power supplies to the control unit which receives the first power confirmation signals and outputs a second power confirmation signal to a linked load. And the power supplies supply the corresponding and matching electric power to a linked load.

Abstract: An individual control circuit and method of multiple power output to be used on a single server power supply system includes a circuit board to receive power from the single server power supply system, a plurality of power output units located on the circuit board each supplies power required by a power system and each has a power OFF mode and a power ON mode, and a control circuit located on the circuit board to drive the power output units to output power. The control circuit receives a duty signal from feedback of the power system to determine whether the power system is abnormal, and orders the power output unit which provides power at the front end of the abnormal power system to enter the power OFF mode.

Abstract: The present invention discloses a control structure for a power supply, which comprises: a primary power system, a power switching unit, and at least one switch. The primary power system transforms an external source power into DC powers. The power switching unit is normally electrically connected with the primary power system and normally driven by a DC power output by the primary power system. The switch is installed on a DC power cable supplying DC power to an internal electronic device. Thereby, when the computer is turned off, the present invention will not be affected but can still provide DC powers to external electronic devices. Further, even though the computer is turned off, the present invention can still provide the external electronic devices with the maximum power (when only the primary power system is installed) or the total power (when the primary power system is connected in parallel with a regular power system).

Abstract: The present invention discloses a cooling-fan rotation-speed control circuit, wherein a plurality of sets of input power sources respectively having different voltages is electrically and parallel coupled to a cooling fan; a switch is installed between at least one input power source and the cooling fan; the switch is turned on/off according to a rotation-speed parameter to determine whether the cooling fan is driven by a low-voltage driving power or a high-voltage driving power.

Abstract: An air fan rotation speed control method and a structure thereof aim to provide an automatic control mode and a manual control mode at the same time to control rotation speed regulation of an air fan to achieve instant heat dissipation for an environment and reduce temperature rising of the environment efficiently. The present invention has a rotation speed determination mechanism that adopts the higher rotation speed request at a higher priority to regulate the rotation speed of the air fan in either control mode. Hence the temperature of the environment can be reduced at the higher rotation speed.

Abstract: A method for identifying power supply modules is adopted for use on a backup-type power supply system that includes real power supply modules and a dummy power supply module structured in a N+1 architecture to output power. By altering PG signal issue time and identifying PG signal delivery time difference of different power supply modules, the real power supply modules and the dummy power supply module can be identified. Thus operators can clearly understand coupling and installation conditions of the power supply modules of the backup-type power supply system to facilitate power risk management.

Abstract: An air fan rotation speed control method and a structure thereof aim to provide an automatic control mode and a manual control mode at the same time to control rotation speed regulation of an air fan to achieve instant heat dissipation for an environment and reduce temperature rising of the environment efficiently. The present invention has a rotation speed determination mechanism that adopts the higher rotation speed request at a higher priority to regulate the rotation speed of the air fan in either control mode. Hence the temperature of the environment can be reduced at the higher rotation speed.

Abstract: A method and an apparatus to process abnormal conditions of a backup-type power supply system aims to provide duty loading values to allow the backup-type power supply system to independently monitor individual power supply modules so that operators are informed earlier of the power supply modules that are aging or likely to malfunction, thereby replacement can be made timely. Thus overloading or heavy loading of the remained power supply modules in normal conditions can be prevented. The life span of the backup-type power supply system increases.

Abstract: An identification apparatus for backup-type power supply systems aims to be used on a backup-type power supply system which includes real power supply devices and dummy power supply devices to form a N+1 architecture to output power. It has signal generation means located on the real power supply devices and dummy power supply devices to generate real identification signals and dummy identification signals of different potentials and a signal detection means to receive the identification signals to identify the real power supply devices and dummy power supply devices. Thereby operators can clearly understand coupling and installation conditions of the power supply devices of the backup-type power supply system to perform power risk management.

Abstract: A backup-type power supply system aims to integrate power output according to different potentials through different power supply modules. Each power supply module includes backup-type N+1 power supply devices and an independent power balance unit to output power in a balanced fashion so that users can add the power supply module of independent potential according requirements. Thereby transformation power loss of the power supply devices can be reduced. The power supply devices can be designed with different specifications and dimensions corresponding to different electronic devices.

Abstract: A machine boot up protection structure for parallel power supply equipment provides a determination level to set the parallel power supply equipment in an ON condition. It has a control unit to receive a connection signal output by each of power supply units to compare with the determination level. If the comparison matches, all of the power supply units are activated to the ON condition. If the comparison does not match, all of the power supply units are set to an OFF condition. Thereby when the external power is not completely connected, some of the power supply units do not suffer from overloading and damaging.

Abstract: The present invention discloses a control circuit of power supply with selectable current-limiting modes, wherein the control circuit which maintains the power-output circuit of the power supply within the energy-limiting standard is performed with automatic detection mode. In the present invention, a current-limiting set unit of the control circuit is coupled to the power-output circuit and provides a current-limiting set value according to power-output levels of the power-output circuit and outputs a current-limiting set signal to a current-limiting switch unit. The current-limiting set unit sets up switch junctions on the power-output levels of the power-output circuit, and the current-limiting switch unit receives the current-limiting set signal to determine the state of the switch junctions in order to provide current-limiting detect values of single set or multiple sets of power-output levels for the current-limiting set unit.