Abstract: Provided are a power module and a power distribution system. The power module includes an input busbar, an output busbar, an internal protection unit and a UPS. The input busbar is electrically connected to an AC input terminal of the UPS through the internal protection unit. The output busbar is electrically connected to an AC output terminal of the UPS through the internal protection unit. The battery input terminal is electrically connected to a DC input terminal of the UPS through the internal protection unit, or is electrically connected to the DC input terminal of the UPS and an external protection unit disposed outside the power module. The input busbar and the output busbar are disposed outside the UPS without passing through the inside of the UPS. The AC input terminal, the AC output terminal and the DC input terminal are all electrically connected to the protection unit.

Abstract: A silicon controlled rectifier soaking control method and apparatus, and a computer-readable storage medium. The method comprises: acquiring heating parameters of at least two silicon controlled rectifiers connected in parallel (ST1), wherein the at least two silicon controlled rectifiers comprise a first silicon controlled rectifier and a second silicon controlled rectifier, and the heating parameters comprise a first heating parameter of the first silicon controlled rectifier and a second heating parameter of the second silicon controlled rectifier; comparing the first heating parameter and the second heating parameter with a set threshold value, and adjusting trigger angles of the first silicon controlled rectifier and/or the second silicon controlled rectifier on the basis of the comparison results (ST2); and repeatedly executing step ST1 and step ST2 until a difference value between the first heating parameter and the second heating parameter is within a set difference value range (ST3).

Abstract: Disclosed are a power supply module housing and a power supply module comprising same. The power supply module housing comprises a main housing, the main housing is provided with a maintenance and installation opening for facilitating the maintenance and installation of the power supply module, and a skylight cover plate detachably covers the maintenance and installation opening. The power supply module comprises the power supply module housing, a connecting terminal is installed in the power supply module housing, and the skylight cover plate is provided at the position corresponding to the connecting terminal. According to the present application, additionally providing the maintenance and installation opening and the skylight cover plate on a top cover enables wiring to be performed without removing the top cover in a field wiring work, thereby simplifying the steps of field wiring, and reducing the risk during work at height.

Abstract: An air conditioning unit includes: a first refrigeration system including a first evaporator, a first compressor, a first condenser, a first one-way valve, and a first throttling element connected in sequence in a loop as well as a second one-way valve connected in parallel with the first compressor, and a first fluorine pump connected in parallel with the first one-way valve; and a second refrigeration system including a second evaporator, a second compressor, a second condenser, a third one-way valve, and a second throttling element connected in sequence in a loop as well as a fourth one-way valve connected in parallel with the second compressor, and a second fluorine pump connected in parallel with the third one-way valve, where the first evaporator and the second evaporator are arranged front and rear in sequence along a return air cooling duct.

Abstract: The present application discloses a power distribution and monitoring integrated access door, comprising: a first door box side cabinet for supplying power to a cabinet, first and second compartments for power distribution being provided in the first door box side cabinet; a door lintel fixedly connected to the first door box side cabinet; and a door system used for isolating cold and hot channels and mounted below the door lintel and disposed on one side of the first door box side cabinet. In the present disclosure, by using the access door of a closed channel as a carrier, power distribution, monitoring, illumination control, access control and fire control are integrated together. Therefore, the power distribution and monitoring integrated access door of the present disclosure has the functions of power distribution, monitoring, illumination control, access control, and fire control in addition to the isolation of the hot and cold channels.

Abstract: A bus power distribution micromodule, including a UPS; a channel door containing a bus starting end A; and at least one cabinet containing a bus section A1 or A2, wherein an input end of the bus starting end A is connected to the UPS, an output end thereof is connected to the bus section A1 or A2 by means of a connector, and the bus section A1 or A2 is disposed in the cabinet and connected to a power distribution apparatus of the cabinet. In the bus power distribution micromodule, a plug-and-play property, easy expansion and IT load flexible matching of the cabinet are realized; the bus starting end is integrated in the channel door of the micromodule, thereby facilitating convenient maintenance and operation; the beneficial effect of having a small, occupied area is achieved; and, moreover, the bus power distribution micromodule has the advantage of rapid delivery.

Abstract: A rectifier converter of the UPS includes a rectifier discharge reuse module, a first mains switching module, a second mains switching module and a battery switching module. The rectifier discharge reuse module includes a filtering unit and a rectifier discharge unit that are connected to each other; the battery switching module is connected between a battery power supply and the filtering unit, and operates in a case that the battery power supply supplies power to the rectifier converter; and the first mains switching module is connected between a mains power supply and the filtering unit, the second mains switching module is connected between the filtering unit and the rectifier discharge unit, and the first mains switching module and the second mains switching module operate in a case that the mains power supply supplies power to the rectifier converter.

Abstract: Provided are a power level acquisition circuit and apparatus, used for solving the problem in the prior art, when conducting reinforced insulation testing, of work hour wastage and safety hazards.

Abstract: A cabinet monitoring system, method, and apparatus, and an electronic device, and a computer storage medium are provided. Cabinet monitoring devices (KG) acquiring all monitoring data of connected monitored devices (S); generating cabinet control data according to a part of the monitoring data; sending the cabinet control data to the monitored devices (S); uploading a part of the monitoring data to an upper layer monitoring device (KS); receiving upper layer control data of the upper layer monitoring device (KS), and forwarding the upper layer control data to the monitored devices (S); and the upper layer monitoring device (KS) receiving the monitoring data uploaded by each cabinet monitoring device (KG), determining the upper layer control data according to the received monitoring data, and sending the upper layer control data to the cabinet monitoring devices (KG).

Abstract: An air conditioning unit includes: a first refrigeration system including a first evaporator, a first compressor, a first condenser, a first one-way valve, and a first throttling element connected in sequence in a loop as well as a second one-way valve connected in parallel with the first compressor, and a first fluorine pump connected in parallel with the first one-way valve; and a second refrigeration system including a second evaporator, a second compressor, a second condenser, a third one-way valve, and a second throttling element connected in sequence in a loop as well as a fourth one-way valve connected in parallel with the second compressor, and a second fluorine pump connected in parallel with the third one-way valve, where the first evaporator and the second evaporator are arranged front and rear in sequence along a return air cooling duct.

Abstract: Disclosed are a power supply module housing and a power supply module comprising same. The power supply module housing comprises a main housing, the main housing is provided with a maintenance and installation opening for facilitating the maintenance and installation of the power supply module, and a skylight cover plate detachably covers the maintenance and installation opening. The power supply module comprises the power supply module housing, a connecting terminal is installed in the power supply module housing, and the skylight cover plate is provided at the position corresponding to the connecting terminal. According to the present application, additionally providing the maintenance and installation opening and the skylight cover plate on a top cover enables wiring to be performed without removing the top cover in a field wiring work, thereby simplifying the steps of field wiring, and reducing the risk during work at height.

Abstract: The present invention discloses a skylight operating system of a modular data center, so as to timely respond to a firefighting requirement of the modular data center to reduce occurrence of firefighting-related accidents. The skylight operating system comprises: an electric skylight; a firefighting environment index monitoring device arranged inside the modular data center; a monitoring and interacting device arranged in a monitoring room outside the modular data center, and connected with the electric skylight and the firefighting environment index monitoring device, the monitoring and interacting device adapted for receiving monitoring information of the firefighting environment index monitoring device, and opening the electric skylight upon determination that a firefighting-related issue occurs inside the modular data center.

Abstract: Provided is an inductor winding method and an inductor winding device. The inductor winding method comprises steps of: A. dividing turns of coil of each winding of the inductor into a first winding and a second winding based on a preset ratio; B. winding the first winding on one of multiple magnetic columns, and winding the second winding on another one of the multiple magnetic columns which is different from the magnetic column on which the first winding is wound; and C. performing step A and step B cyclically until all the windings of the inductor are wound. With a coupling inductor having interleaving-wound structure, power frequency magnetic fluxes generated by magnetic lines in magnetic columns counteract one another, thereby solving the problem of high magnetic flux density in a magnetic core while achieving certain leakage inductance.

Abstract: A power supply system and method includes a power grid input unit and a diesel generator input unit, separately used for supplying an alternating current to a power supply unit. An automatic transfer switch unit is connected to the power grid input unit and the power supply unit or connected to the diesel generator input unit and the power supply unit, which is used for converting the received alternating current into a direct current. A control unit, which is used for monitoring a current load current and current diesel generator power, determines when to turn off a preset number of power supply loads according to a magnitude relationship between the current diesel generator power and the current load power, as well as according to priority levels of current loads. The power supply system also includes a plurality of loads and at least one storage battery pack.

Abstract: The present invention discloses a skylight operating system of a modular data center, so as to timely respond to a firefighting requirement of the modular data center to reduce occurrence of firefighting-related accidents. The skylight operating system comprises: an electric skylight; a firefighting environment index monitoring device arranged inside the modular data center; a monitoring and interacting device arranged in a monitoring room outside the modular data center, and connected with the electric skylight and the firefighting environment index monitoring device, the monitoring and interacting device adapted for receiving monitoring information of the firefighting environment index monitoring device, and opening the electric skylight upon determination that a firefighting-related issue occurs inside the modular data center.

Abstract: A power supply system and method includes a power grid input unit and a diesel generator input unit, separately used for supplying an alternating current to a power supply unit. An automatic transfer switch unit is connected to the power grid input unit and the power supply unit or connected to the diesel generator input unit and the power supply unit, which is used for converting the received alternating current into a direct current. A control unit, which is used for monitoring a current load current and current diesel generator power, determines when to turn off a preset number of power supply loads according to a magnitude relationship between the current diesel generator power and the current load power, as well as according to priority levels of current loads. The power supply system is a flexible power supply system and includes the oil engine and a plurality of loads.

Abstract: A power supply system and method includes a power grid input unit and a diesel generator input unit, separately used for supplying an alternating current to a power supply unit. An automatic transfer switch unit is connected to the power grid input unit and the power supply unit or connected to the diesel generator input unit and the power supply unit, which is used for converting the received alternating current into a direct current. A control unit, which is used for monitoring a current load current and current diesel generator power, determines when to turn off a preset number of power supply loads according to a magnitude relationship between the current diesel generator power and the current load power, as well as according to priority levels of current loads. The power supply system also includes a storage battery and an alternating current electric equipment group.

Abstract: A power supply system and method includes a power grid input unit and a diesel generator input unit, separately used for supplying an alternating current to a power supply unit. An automatic transfer switch unit is connected to the power grid input unit and the power supply unit or connected to the diesel generator input unit and the power supply unit, which is used for converting the received alternating current into a direct current. A control unit, which is used for monitoring a current load current and current diesel generator power, determines when to turn off a preset number of power supply loads according to a magnitude relationship between the current diesel generator power and the current load power, as well as according to priority levels of current loads.

Abstract: The present invention discloses a control method and device for a circuit with a bridge arm of a switch. The soft switching converter includes at least two bridge arms of the switch, and an auxiliary switch assisting in switching of a main switch of the bridge arm of the switch. The control method includes the steps of: S1. after controlling the auxiliary switch to be turned on for a first period of time, controlling main switches set at the same position of individual bridge arms of the switch to be simultaneously turned on; S2. after a second period of time following a time when the main switches set at the same position of individual bridge arms of the switch are simultaneously turned on, turning off the auxiliary switch. The present invention can reduce system loss and noise, so as to improve efficiency.