CN204020677U - Intelligent high-pressure test car - Google Patents

Abstract

The utility model relates to an intelligent high-voltage test car, which includes a car body, a transformer ratio group automatic tester, a transformer winding deformation tester, a DC high voltage generator, a frequency conversion power supply resonant transformer, a frequency conversion power supply ground network transformer, and a vehicle body. A computer dielectric loss measuring instrument and a DC resistance measuring instrument; each of the test equipment is connected to a terminal board, and the terminal board leads out to a high-voltage output measuring line, and the output port of the high-voltage output measuring line adopts a uniform caliber. The utility model does not simply piece together various scattered test equipment, but adopts a unified caliber for the high-voltage output port of the test equipment, and completes the connection with the tested equipment by a high-voltage output lead wire; it has strong anti-interference ability; The working intensity of the test personnel is not limited by atmospheric conditions; all test instruments are completed by one operating platform, which is easier to use than scattered instruments; all test instruments are installed in the test vehicle in an orderly manner, and the mobility is strong.

Description

Intelligent high-voltage test vehicle

technical field

The utility model relates to an electric power system test equipment, in particular to an intelligent high-voltage test vehicle, which belongs to the technical field of intelligent substations.

Background technique

Electric power test personnel are responsible for the test work of all high-voltage equipment in the substation in their region, and the workload is very heavy. Years of work experience have shown that the heavy work comes not only from on-site test data collection, judgment and analysis of results, but also most of the time, physical energy and energy spent on preparation, handling, on-site assembly and dismantling of test equipment.

In the past, scattered test equipment had to be loaded and unloaded multiple times every time it went to the site for testing; temporary on-site connection lines were required; at the same time, it was not firmly placed in the car, and the test equipment was easily damaged by bumps.

Utility model content

The utility model provides an intelligent high-voltage test vehicle aiming at the problems existing in the above-mentioned prior art, which solves the time-consuming and labor-intensive problem of loading and unloading the test equipment in the prior art.

The technical scheme of the utility model is as follows:

Including the car body, the transformer ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, frequency conversion power resonant transformer, frequency conversion power ground network transformer, computer dielectric loss measuring instrument and DC resistance measuring instrument are installed in the carriage; The transformer ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, variable frequency power supply resonant transformer, variable frequency power supply ground network transformer, computer dielectric loss measuring instrument and DC resistance measuring instrument are connected to the terminal board, and the wiring The terminal board leads out the high-voltage output measurement line, and the output port of the high-voltage output measurement line adopts a uniform caliber.

The DC resistance measuring instrument includes a single-channel DC resistance measuring instrument and a three-channel DC resistance measuring instrument.

The transformer transformation ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, variable frequency power supply resonant transformer, variable frequency power supply ground network transformer, computer dielectric loss measuring instrument and DC resistance measuring instrument are connected to the computer.

The advantages and effects of the utility model are as follows:

The utility model integrates testing instruments such as insulation resistance, DC resistance, transformation ratio, dielectric loss loss angle, DC withstand voltage (leakage), and frequency conversion resonance test device in the same vehicle. Complete the test of all high-voltage electrical equipment in the substation, such as transformers, high-voltage transformers, lightning arresters, capacitors, and circuit breakers.

The utility model does not simply piece together various scattered test equipment, but adopts a unified caliber for the high-voltage output port of the test equipment, and completes the connection with the tested equipment by a high-voltage output lead wire; it has strong anti-interference ability; The working intensity of the test personnel; not restricted by atmospheric conditions; all test instruments are completed by one operating platform, which is easier to use than scattered instruments; all test instruments are installed in the test vehicle in an orderly manner, with strong mobility.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic block diagram of the structure of the application embodiment.

1. Car body, 2. Compartment, 3. Terminal board, 4. Test equipment.

Detailed ways

Example 1

As shown in Figure 1-2, including the car body 1, the test equipment 4 is set in the compartment 2; the test equipment 4 is an automatic tester for the transformer ratio group, a transformer winding deformation tester, a DC high voltage generator, and a frequency conversion power supply resonant transformer , frequency conversion power supply ground network transformer, computer dielectric loss measuring instrument and DC resistance measuring instrument; the above-mentioned transformer ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, frequency conversion power supply resonant transformer, frequency conversion power supply ground network The transformer, the computer dielectric loss measuring instrument and the DC resistance measuring instrument are connected to the terminal board, and the terminal board leads out to the high-voltage output measuring line, and the output port of the high-voltage output measuring line adopts a uniform caliber.

The DC resistance measuring instrument includes a single-channel DC resistance measuring instrument and a three-channel DC resistance measuring instrument.

Example 2

The transformer transformation ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, variable frequency power supply resonant transformer, variable frequency power supply ground network transformer, computer dielectric loss measuring instrument and DC resistance measuring instrument are connected to the computer. All test instruments are completed by an operating platform computer. During the test, the test personnel can select the tested equipment and test items according to the Chinese menu provided by the operating platform screen, and submit the test according to the required test items; other structures are implemented in the same way example 1.

Field test, the overall performance meets the actual requirements. Completed the pre-test work of main transformers, zinc oxide arresters, circuit breakers and other equipment in multiple substations; completed the handover test of Gaoxin and Jinqiao substations; Handover test of power station; 66kV power cable handover test of Xingang, Aluminum Plant, Laogang and other users.

Claims (3)

1. Intelligent high-voltage test vehicle, including the vehicle body, is characterized in that the transformer ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, frequency conversion power supply resonant transformer, frequency conversion power supply ground network transformer, computer Dielectric loss measuring instrument and DC resistance measuring instrument; the transformer ratio group automatic tester, transformer winding deformation tester, DC high voltage generator, variable frequency power supply resonant transformer, variable frequency power supply ground network transformer, computer dielectric loss measuring instrument and The DC resistance measuring instrument is connected with the terminal board, and the terminal board leads out the high-voltage output measurement line, and the output port of the high-voltage output measurement line adopts a uniform caliber. 2. The intelligent high-voltage test vehicle according to claim 1, characterized in that said DC resistance measuring instrument comprises a single-channel DC resistance measuring instrument and a three-channel DC resistance measuring instrument. 3. The intelligent high-voltage test vehicle according to claim 1, characterized in that the transformer ratio group automatic tester, the transformer winding deformation tester, the DC high voltage generator, the frequency conversion power supply resonant transformer, the frequency conversion power supply ground network The transformer, the computer dielectric loss measuring instrument and the DC resistance measuring instrument are connected with the computer.