Abstract: A transfer machine includes a main body assembly and a lifting assembly. The main body assembly includes two lifting rods capable of moving up and down and two seat plates facing the lifting rods. Each seat plate can rotate around the corresponding lifting rod thereby enabling the two seat plates to close or separate from each other. The lifting assembly includes a base, a connecting rod and a control assembly fixedly connected to the lifting rods. The base includes two guiding rods extending up and down, and each lifting rod can move in the up-down direction along the guiding rod. The control assembly includes a pushing rod, connected to the connecting rod; and a drive arm, driving the lifting rods to move in the up-down direction, thereby driving the main body assembly to move up and down. The connecting rod includes two foot sections.

Abstract: A transfer machine includes: a main body assembly, including two lifting rods capable of moving up and down, two seat plates corresponding to the two lifting rods, wherein the seat plates are capable of rotating around the corresponding lifting rods, allowing the seat plates to close with or separate from each other; a lifting assembly, including a base, a connecting rod fixedly connected to the lifting rods and an electronic controlling assembly. The base includes a guiding bar extending vertically, the lifting rods can move along the guiding bar; the electronic controlling assembly includes a pushing rod, fixedly connected to the connecting rod to drive the two lifting rods to move to further drive the main body assembly to move. The connecting rod has a first connection portion and a second connection portion, a foot section is formed between the first connection portion and the second connection portion.

Abstract: A method and device for estimating spatial distribution of power system inertia based on multi-innovation identification. The method includes: (S1) acquiring time-series data including each node frequency of a power system and a transmission power of a transmission line; decomposing a frequency signal in a series of different spaces to identify a disturbance occurring moment; (S2) analyzing a relationship among node inertia, node frequency and node injection power; constructing an OEMA model to describe an active power-frequency dynamic process of the node after the disturbance occurs; analyzing a coupling relationship between an unknown parameter of the model and the node inertia; (S3) solving the OEMA model based on multi-innovation identification to identity the unknown parameter; and (S4) according to the relationship between a vector of the parameter and the node inertia, calculating each node inertia to estimate the spatial distribution of the power system inertia.

Abstract: A method and device for estimating spatial distribution of power system inertia based on multi-innovation identification. The method includes: (S1) acquiring time-series data including each node frequency of a power system and a transmission power of a transmission line; decomposing a frequency signal in a series of different spaces to identify a disturbance occurring moment; (S2) analyzing a relationship among node inertia, node frequency and node injection power; constructing an OEMA model to describe an active power-frequency dynamic process of the node after the disturbance occurs; analyzing a coupling relationship between an unknown parameter of the model and the node inertia; (S3) solving the OEMA model based on multi-innovation identification to identity the unknown parameter; and (S4) according to the relationship between a vector of the parameter and the node inertia, calculating each node inertia to estimate the spatial distribution of the power system inertia.