Abstract: A reactive power-voltage control method for integrated transmission and distribution networks is provided. The reactive power-voltage control method includes: establishing a reactive power-voltage control model for a power system consisting of a transmission network and a plurality of distribution networks; performing a second order cone relaxation on a non-convex constraint of the plurality of distribution network constraints to obtain the convex-relaxed reactive power-voltage control model; solving the convex-relaxed reactive power-voltage control model to acquire control variables of the transmission network and control variables of each distribution network; and controlling the transmission network based on the control variables of the transmission network and controlling each distribution network based on the control variables of the distribution network, so as to realize coordinated control of the power system.

Abstract: A lighting apparatus includes a lens, a cup housing, a light source and a top cover. The cup housing has a surrounding wall and a light source holder. The cup housing is installed on a fixed platform. The light source is placed on the light source holder. The cup housing and the top cover form a container space for storing the lens and the light source. A top end of the lens is attached to the top cover. A second end of the lens faces to the light source. A relative distance between the lens and the light source is adjustable to change a light pattern of a output light of the light source. The output light is a light of the light source passing through the lens.

Abstract: A lighting apparatus includes a lens, a cup housing, a light source and a top cover. The cup housing has a surrounding wall and a light source holder. The cup housing is installed on a fixed platform. The light source is placed on the light source holder. The cup housing and the top cover form a container space for storing the lens and the light source. A top end of the lens is attached to the top cover. A second end of the lens faces to the light source. A relative distance between the lens and the light source is adjustable to change a light pattern of a output light of the light source. The output light is a light of the light source passing through the lens.

Abstract: A lighting apparatus includes a light source plate, a LED module, a first wire, a second wire and a terminal housing. The light source plate has a first connector and a second connector. The LED module is mounted on a first side of the light source plate to be electrically connected to the first connector and the second connector. The first wire passes through a first passage on the light source plate from a second side of the light source plate to the first side of the light source plate to engage the first connector. The second wire passes through a second passage of the light source plate from the second side of the light source plate to the first side of the light source plate to engage the second connector. The terminal housing encloses the first wire and the second wire.

Abstract: A lighting apparatus includes a driver, a first branch, a second branch, a first switch, a second switch, multiple middle switches, and a switch control unit. The first branch includes multiple first LED modules. The multiple first LED modules are divided into multiple first segments. There are first nodes between adjacent first segments. The second branch includes multiple second LED modules. The multiple second LED modules are divided into multiple second segments. There are second nodes between adjacent second segments. The switch control unit is used for controlling selections of the first switch, the second switch and the multiple middle switches for determining a conductive path of a selected set of LED modules selected from the multiple first segments and the multiple second segments for mixing a required optical parameter.

Abstract: A lighting apparatus includes a lens, a cup housing, a light source and a top cover. The cup housing has a surrounding wall and a light source holder. The cup housing is installed on a fixed platform. The light source is placed on the light source holder. The cup housing and the top cover form a container space for storing the lens and the light source. A top end of the lens is attached to the top cover. A second end of the lens faces to the light source. A relative distance between the lens and the light source is adjustable to change a light pattern of a output light of the light source. The output light is a light of the light source passing through the lens.

Abstract: A LED lighting apparatus includes a housing, a bulb shell, a driver plate, a light source plate, and a driver circuit. The bulb shell is connected to the housing. The bulb shell and the housing form a container space. The driver plate is set in the container space. The light source plate is set in the container space. The light source plate includes a base plate and a light emitting component on the base plate. The driver circuit includes a rectifier circuit and a constant current driver chip which are electrically connected to each other. The rectifier circuit is set on the driver plate. The constant current driver chip is set on the light source plate.

Abstract: A LED lighting apparatus includes a housing, a bulb shell, a driver plate, a light source plate, and a driver circuit. The bulb shell is connected to the housing. The bulb shell and the housing form a container space. The driver plate is set in the container space. The light source plate is set in the container space. The light source plate includes a base plate and a light emitting component on the base plate. The driver circuit includes a rectifier circuit and a constant current driver chip which are electrically connected to each other. The rectifier circuit is set on the driver plate. The constant current driver chip is set on the light source plate.

Abstract: A downlight apparatus includes a light passing cover, a light source module, a surface rim and a driver plate. The surface rim has a rim part, a reflection part and a bottom part. The rim part is connected to the reflection part. The reflection part is connected to a top edge of the bottom part. The bottom part defines an installation cavity with the top edge as a cavity opening. The rim part defines a light opening. A first light of the plurality of LED modules passes through the light passing cover and a second light of the plurality of LED modules is reflected by the reflection part before passing through the light passing cover. The rim part, the reflection part and the bottom part are made of the same material as a unibody module.

Abstract: The lighting apparatus includes a light source module, a light style switch, a driver circuit and a light style unit. The light source module has multiple types of LED modules. The light style switch is used for selecting from a set of predetermined light styles. Each predetermined light style corresponds to multiple parameters of an output light to be generated by the light source module. The light style unit is connected to the light style switch for providing the multiple parameters corresponding to the selected predetermined light style to the driver circuit to generate a corresponding control signal to control the light source module.

Abstract: A lighting apparatus includes a light source plate, a LED module, a first wire, a second wire and a terminal housing. The light source plate has a first connector and a second connector. The LED module is mounted on a first side of the light source plate to be electrically connected to the first connector and the second connector. The first wire passes through a first passage on the light source plate from a second side of the light source plate to the first side of the light source plate to engage the first connector. The second wire passes through a second passage of the light source plate from the second side of the light source plate to the first side of the light source plate to engage the second connector. The terminal housing encloses the first wire and the second wire.

Abstract: A downlight apparatus includes a light passing cover, a light source module, a surface rim and a driver plate. The surface rim has a rim part, a reflection part and a bottom part. The rim part is connected to the reflection part. The reflection part is connected to a top edge of the bottom part. The bottom part defines an installation cavity with the top edge as a cavity opening. The rim part defines a light opening. A first light of the plurality of LED modules passes through the light passing cover and a second light of the plurality of LED modules is reflected by the reflection part before passing through the light passing cover. The rim part, the reflection part and the bottom part are made of the same material as a unibody module.

Abstract: A lighting apparatus includes a light cover, a cup body, a heat sink, a light source module, a bulb cap and a driver. The cup body has a cup bottom, a cup top and a cup wall. The cup top has a larger diameter than the cup bottom. The light cover is attached to the cup top. The heat sink has a peripheral wall and a holder. The peripheral wall clings to the cup wall.

Abstract: A lighting apparatus includes a driver, a first branch, a second branch, a first switch, a second switch, multiple middle switches, and a switch control unit. The first branch includes multiple first LED modules. The multiple first LED modules are divided into multiple first segments. There are first nodes between adjacent first segments. The second branch includes multiple second LED modules. The multiple second LED modules are divided into multiple second segments. There are second nodes between adjacent second segments. The switch control unit is used for controlling selections of the first switch, the second switch and the multiple middle switches for determining a conductive path of a selected set of LED modules selected from the multiple first segments and the multiple second segments for mixing a required optical parameter.

Abstract: A lighting apparatus includes a light cover, a cup body, a heat sink, a light source module, a bulb cap and a driver. The cup body has a cup bottom, a cup top and a cup wall. The cup top has a larger diameter than the cup bottom. The light cover is attached to the cup top. The heat sink has a peripheral wall and a holder. The peripheral wall clings to the cup wall.

Abstract: Systems and methods for the identification and reconciliation of network resource information are herein disclosed. In an implementation, a system includes instructions stored in memory for processing a request received from a data source to update a record of a network resource by receiving data relating to an attribute of a network resource of a computer network from a first data source, wherein the network resource is associated with a configuration item of a configuration management database, the configuration item including data relating to the attribute from a second source; determining that the first data source is authoritative for the attribute based on a priority of the first data source, a priority of the second data source, and a staleness period of the second data source; and processing the request by updating the attribute based on the data.

Abstract: A lighting apparatus includes a switch module, a current driver circuit, a current dispatching circuit and multiple light emitting modules. The light emitting module has two ends respectively connecting to the driver circuit and the current dispatching circuit for receiving either a driving current from the driver circuit or the current dispatching circuit. In different modes, the multiple light emitting modules are controlled for providing different mixed color temperatures.

Abstract: A light bulb apparatus includes a flexible circuit board, LED modules, a control circuit, a driver circuit and a bulb head. The flexible circuit board is rolled as a hollow tube with a cap. The LED modules are disposed on the flexible circuit board. The control circuit is used for controlling turn-on and turn-off of the LED modules in a predetermined pattern. The driver circuit is connected with an electrode terminal on the cap. The bulb head receives external power supply.

Abstract: Systems and methods for the identification and reconciliation of network resource information are herein disclosed. In an implementation, a system includes instructions stored in memory for processing a request received from a data source to update a record of a network resource by receiving data relating to an attribute of a network resource of a computer network from a first data source, wherein the network resource is associated with a configuration item of a configuration management database, the configuration item including data relating to the attribute from a second source; determining that the first data source is authoritative for the attribute based on a priority of the first data source, a priority of the second data source, and a staleness period of the second data source; and processing the request by updating the attribute based on the data.

Abstract: A bulb apparatus including a bulb, a light cap, a light source assembly and a driving component. The light cap has an inner wall and an outer wall. The outer wall is used for accessing to an external power source. The light source assembly includes a base and the multiple light source components. The base carrying the multiple light source components which form an angle with respect to a predetermined position with respect to the bulb. The bottom outer shape of the base is connected with the inner wall of the light cap. The driving component is disposed in a hole surrounded by the base. The driving component is connected to external power source through a terminal.