State Grid Corporation of China (SGCC) Patent applications |
Patent application number | Title | Published |
20150346287 | Method For Analyzing Operation State Of Substation By Combining Whole Grid Model With Local Grid Model - The disclosure relates to the crossing field between a power transmission of an ultra-high-voltage and a power system simulation, specifically a method for analyzing an operation state of a substation by combining a whole grid model with a local grid model is provided according to the disclosure. The method includes following steps: performing a load flow calculation for the provincial grid to which a ultra-high-voltage line belongs, wherein initial data of the load flow calculation employs a grid model with E format for national power grid dispatching control center; making an equivalent transform for the model, forming an island independently from the provincial grid to which a ultra-high-voltage line belongs, and making a load flow calculation for the island to acquire data of node voltages and line transmission power. | 12-03-2015 |
20150180140 | COMPOSITE INTELLIGENT TERMINAL WIRING DEVICE AND PLUG DEVICE - A combined-type intelligent terminal wiring device and a plug device are provided. The wiring device includes a top wiring terminal board, a bottom wiring terminal board and a combined-type socket. An interior of each terminal of the combined-type socket has a spring-leaf structure, and each spring leaf includes an upper spring leaf and a lower spring leaf which are conductively connected via a contact surface. The top wiring terminal board has one end configured to connect the upper spring leaf, and the bottom wiring terminal board has one end configured to connect the lower spring leaf. The plug device includes a plug and a wiring terminal, the plug is located at a front end of the plug device and is a conductive metallic sheet, and the wiring terminal is located at a rear end of the plug device and has one end connected to the conductive metallic sheet. | 06-25-2015 |
20150136937 | METHOD FOR CONTROLLING STRUCTURAL ACOUSTIC TRANSMISSION ON BASIS OF COMBINED-TYPE VIBRATION ISOLATION DEVICE - A method for controlling structure-borne noise based on a combined-type vibration isolation device includes the following steps: S | 05-21-2015 |
20140358315 | INTELLIGENT POWER UTILIZATION SYSTEM AND METHOD FOR PARKS - A system for intelligent electric power utilization of park and a method thereof are provided. The system includes an acquisition system, a data processing system, an application system and a service system through which the acquisition system, the data processing system and the application system are connected to external system. The application system includes an intelligent interaction application subsystem, an electric power utilization monitoring application subsystem, an energy efficiency analysis application subsystem, an orderly electric power utilization application subsystem, a system security application subsystem and a man-machine interaction interface. Enterprise users are leaded to actively carry out requirement response. Energy conservation and emission reduction and peak shaving and valley filling are effectively realized in intelligent park. Capability of intelligent electric power utilization of the park is improved. Accordingly, load balancing capability of region is improved and safe and stable operation of the power grid is ensured. | 12-04-2014 |
20120306661 | Apparatus for Smart Home Network - A smart home network comprises a plurality of appliances, each of which comprises a unique radio frequency identification tag. The smart home network further comprises a plurality of power outlets, each of which has a unique ID. The power outlets of the smart home network are capable of detecting the RFID tag and measuring the operational parameters of the appliances. The power outlets are further coupled to a central controller. The central controller receives operational parameters of the appliances from the power outlets, constructs a real time model of the smart home and forwards analytical results to a display terminal. | 12-06-2012 |
20120283890 | Control Apparatus for Micro-grid Connect/Disconnect from Grid - A micro-grid controller comprises a sampling unit, a processor and an input and output unit. The processor generates a micro-grid operation control command based upon the system operational parameters detected by the sampling unit. Through the input and output unit, the micro-grid controller is able to disconnect the micro-grid system from a main grid system by turning off a switch coupled between the micro-grid system and the main grid system. | 11-08-2012 |
20120283888 | Seamless Transition Method and Apparatus for Micro-grid Connect/Disconnect from Grid - A central controller of a micro-grid system is configured to receive the operational parameters of the main grid system and the micro-grid system, update a power generation plan of the micro-grid system based upon the operational parameters of the micro-grid system, wherein the power generation plan is formulated such that power outputs of the micro-grid system approximately match loads of the micro-grid system. Furthermore, the central controller forwards the power generation plan to the plurality of local controllers coupled to the micro-grid system so that the micro-grid system is able to have a seamless transition from a grid-connected mode to a grid-disconnected mode. | 11-08-2012 |