Testing transformer voltage regulating device

Abstract

The invention relates to testing transformer voltage regulating devices, in particular to a testing transformer voltage regulating device applicable to lightweight integrated power frequency withstandvoltage testing device. The testing transformer voltage regulating device comprises a communication unit, a monitoring unit, a control unit, a sine wave voltage regulator, a switch power supply, a radiating device and a master control switch and is characterized in that the control unit acquires an instruction from the communication unit and controls the sine wave voltage regulator to output setvoltage and perform real-time regulation according to the feedback of the monitoring unit; the monitoring unit is connected with a monitoring display screen to display testing data on the monitoring display screen in real time. The testing transformer voltage regulating device has the advantages that a handheld terminal is used to complete remote control, the voltage regulator is separated from the controller, and the size of the device is only 1 / 3 of that of a traditional control cabinet; in addition, by using high-power electric and electronic components and a digital control method, high specialization degree is achieved, the weight of the device is only 1 / 5 of that of a same-power autotransformer regulator, and accordingly the integration and lightweight requirements of the novel powerfrequency withstand voltage testing device are satisfied.

Description

technical field [0001] The invention relates to a test transformer voltage regulating device, in particular to a test transformer output voltage regulating device suitable for a light-duty integrated power frequency withstand voltage test device. Background technique [0002] With the construction of nuclear power, thermal power, hydropower and other large-scale power stations and the research and development of ultra-high voltage transmission lines, the voltage that modern power systems can provide is getting higher and higher. Correspondingly, the requirements for the insulation performance of power equipment are getting higher and higher, once the insulation performance of power equipment is insufficient, it may lead to serious accidents. Therefore, before the power equipment is put into use, it must be subjected to a strict withstand voltage test. [0003] The withstand voltage test device can check out dangerous concentrated defects, and plays a decisive role in judgin...

AI Technical Summary

Problems solved by technology

The traditional power frequency withstand voltage test device consists of a test transformer and a voltage regulating device. Most of the voltage regulating devices are self-coupling voltage regulating control boxes, which are too large in size and weight to meet the integration and Lightweight requirements, and there are the following problems: the voltage regulating device and the test transformer are independent, and each time they need to be transported and rewired separately, which reduces the test efficiency; the test personnel need to maintain a squatting posture when operating the voltage regulating device, which consumes physical strength and is not conducive to Observe the surrounding situation; there is a lack of safety reminders during the operation, and the vigilance effect on the surrounding personnel is poor

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