Sien Xu

TL;DR: In this paper, a detection and verification system for a transformer UHF on-line monitoring assembly and a partial discharge ultrasonic positioning/UHF positioning on-online monitoring assembly is presented.

TL;DR: In this paper, a transmission line ice-coating pre-warning and dynamic compatiilization system on-line monitoring device, comprising a monitoring sub-unit (terminal node) on the transmission line, a main control monitoring unit (base station node), an expert analysis system, a dispatch EMS system and the monitoring subunit and monitoring main unit also comprise a sensor, a power module, a data collection and control module and a data communication module, is realized.

TL;DR: In this paper, an on-line monitoring device of an ice coverage prewarning and dynamic capacity-increasing system of transmission lines is presented, which consists of four parts of monitoringsubunits (terminal nodes) arranged on the transmission lines, a main control monitoring unit (base station node), an expert analysis system and a dispatching EMS system, wherein sensors, power supply modules, data acquisition and control modules and data communication modules.

Abstract: The invention relates to a wind and solar hybrid generating system based on a Z source, belonging to the field of new energy generation and aiming to provide users with a safe and stable power sourceby utilizing wind energy and solar energy common in nature The invention adopts a pressure-boosting device based on a Z source circuit structure and a tracking control strategy based on DSP to achieve a variable-step perturbation observation method The wind and solar hybrid generating system based on the Z source comprises a charging and discharging controller, an energy-storing accumulator andan inventor A wind and solar hybrid controller converts wind energy captured by a wind-driven generator into a direct current by utilizing a rectifier; and the energy-storing device (accumulator) ischarged by the direct current and solar energy captured by a solar panel; the inventor releases electric energy stored in the accumulator and stably outputs an alternating voltage of 220V by a certaincircuit and a control method to provide for load use The system has simple structure and less hardware and effectively improves the working efficiency

TL;DR: In this article, the authors presented a detecting system and method for a partial discharge detecting sensor of GIS, which consists of steps as follows: detecting and verifying the GIS partial discharge sensor; detecting a GIS sensor UHF (ultra high frequency) sensor; and verifying and verifying a sensor positioning system.