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Branch anti-theft and loss-reduction detection terminal for low-voltage transformer area
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A technology for detecting terminals and low-voltage station areas, applied to measuring devices, measuring electrical variables, measuring time integration, etc., can solve problems such as inability to accurately locate problem points, low efficiency, and non-targeting, and achieve line loss management problems, Improve management efficiency and work efficiency
Pending Publication Date: 2022-04-12
国网内蒙古东部电力有限公司供电服务监管与支持中心 +1
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[0005] Most of the existing inspection methods are cast-net inspections, which are untargeted, time-consuming and labor-intensive, and the problem points cannot be accurately located from the data fed back by the electric energy meter, so manual inspections can only be relied on for analysis and judgment
In this way, the us
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Embodiment 1
[0038] The present invention provides an embodiment, which is a branch anti-theft and loss reduction detection terminal in a low-voltage station area, such as figure 1 as shown, figure 1 It is a frame diagram of the present invention. The figure includes A-phase current transformer, B-phase current transformer, C-phase current transformer, and neutral line puncture N.
[0039] The detection terminal of the present invention is respectively connected with the A-phase current transformer, the B-phase current transformer, the C-phase current transformer, and the zero line puncture N phase, and the detection terminal is also connected with the main station through 4G communication.
[0040] The detection terminal of the present invention is connected to the power supply through lines by one end of the A-phase current transformer, the B-phase current transformer, and the C-phase current transformer respectively, the metering chip is connected with the acquisition chip; the meterin...
Embodiment 2
[0061] The present invention also provides another embodiment, which is a branch anti-theft and loss reduction detection terminal in a low-voltage station area. Such as image 3 as shown, image 3 is an example diagram of the present invention.
[0062] image 3 In one embodiment shown, the detection terminal of the present invention is installed at the bus of each branch line, so that long-term / short-term line loss monitoring can be performed. The A-phase, B-phase, C-phase, and N-phase punctures of the current transformers are respectively installed correspondingly to the A-phase, B-phase, and C-phase neutral lines of the main line, and the puncture is performed to obtain power.
[0063] By comparing the terminal data with the data of the line loss system, the problem branch can be quickly identified.
[0064] During specific implementation, the following steps are included:
[0065] Step 1. Sampling. The acquisition chip collects voltage and current data through the AB...
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Abstract
The invention belongs to the technical field of power equipment, and particularly relates to a branch anti-theft loss reduction detection terminal for a low-voltage transformer area, in particular to an intelligent detection terminal which is portable, efficient and accurate in electricity theft detection and line loss reduction for branch lines of the low-voltage transformer area. One end of an A-phase current transformer, one end of a B-phase current transformer and one end of a C-phase current transformer are respectively connected with a power supply through lines, and a metering chip is connected with an acquisition chip; the metering chip is connected with the microprocessor; the microprocessor is in communication connection with a master station through an EC20 and an SIM card. One end of the GPRS module EC20 is also connected with an antenna; and the microprocessor is respectively connected with the memory, the watchdog WATCHDOG, the clock module and the state display through the ARM9 processor. Multi-scheme combined monitoring of the low-voltage transformer area is achieved, the line loss treatment problem is effectively solved, the management efficiency is improved, line loss fine management auxiliary services are provided, the working efficiency is remarkably improved, the application range is wide, and illegal behaviors of electricity stealing can be effectively attacked.
Description
technical field [0001] The invention belongs to the technical field of electric power equipment, and in particular relates to a detection terminal for anti-stealing and loss reduction of branch lines in low-voltage station areas, in particular to a portable, efficient and accurate intelligent detection terminal for detecting power theft and reducing line loss of branch lines in low-voltage station areas. Background technique [0002] For a long time, the problem of stealing electricity has been plagued by electric power companies. Electricity theft not only caused huge losses to the country, but also directly affected the development of the electric power sector, seriously disrupted the normal order of power supply and consumption, and even threatened the safe and stable operation of the power grid. [0003] At present, although the pass rate of line loss in the low-voltage station area is relatively high, there are still some large high-loss areas in some station areas, and...
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Application Information
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