3results about How to "Promote technological development" patented technology

This invention discloses a component-level vibration testing method for a piezoelectric ceramic modulation type all-fiber current transformer, comprising: disassembling the modulation module from the all-fiber current transformer while maintaining the complete optical and electrical paths of the all-fiber current transformer; fixing the modulation module as a whole on a vibration table, applying vertical, horizontal, and axial vibrations sequentially to the modulation module without applying primary current to the all-fiber current transformer; and continuously monitoring the secondary output of the all-fiber current transformer using a fault recorder and recording any abnormal output currents. This invention effectively assesses the vibration resistance performance of the modulation module as a whole and its internal components, thereby providing targeted vibration suppression solutions.

This invention discloses a full DC aggregation system for offshore wind power with medium- and high-frequency AC transmission, relating to the field of DC power transmission technology. It includes: an offshore wind turbine module for acquiring medium-voltage DC power; a multi-port DC transformer module for converting the medium-voltage DC power into high-voltage DC power; a DC submarine cable module for aggregating the high-voltage DC power and transmitting it to an onshore converter station module; an onshore converter station module for acquiring onshore high-voltage AC power based on the aggregated offshore high-voltage DC power; and an onshore AC module for receiving the onshore high-voltage AC power, thus achieving full DC aggregation of offshore wind power. This invention, through improvements to the topology and control methods of the medium-voltage-to-high-voltage DC transformer, achieves efficient and economical power transmission, improves the economic viability and engineering application value of offshore wind power aggregation systems, and meets the market demand for affordable and low-cost power generation.

The utility model relates to cutting device field especially relates to electric wire cable insulation longitudinal cutting device, including operating platform, U type frame, limit ring and rectangle slide rail, the operating platform upper end middle part fixed mounting has U type frame, U type frame one side transverse interval is equipped with three groups for adjusting and fixed limit ring according to cable diameter, U type frame is away from limit ring side and limit ring corresponds and is equipped with the rectangle slide rail for pulling cable, the utility model discloses through first cable passes through limit ring, through the clamping of grabbing on the rectangle slide rail and holds in the palm, then through the arc expansion sleeve and arc expansion board in the limit ring, according to the cable diameter situation adjusts and limits, then through the clamping drive cable and pulls, cooperation U type frame below cutting knife carries out longitudinal cutting work, through adjustable limit structure, can according to the different size of electric wire cable, accurate adjustment fixed position and strength, make it in the cutting process, ensure that cable is always in stable state.