Power outage line wireless phase check test device
A technology for power outage lines and testing devices, which is applied in the direction of phase sequence/synchronous indication, etc., can solve the problems of short nuclear phase distance, phase approval of power outage lines, etc., to reduce impact, ensure one-time grid connection success, and simple structure Effect
Active Publication Date: 2016-01-13
国网黄石供电公司运维检修部(检修分公司) +1
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Problems solved by technology
[0004] The purpose of this invention is to solve the problem that the traditional phase-nucleation instrument has a short distance between phase-nucleation and can only perform phase-nucleation detection when the line is electrified, but cannot verify the phase of the newly-built blackout line to be connected to the power grid. A wireless phase verification test device for power outage lines
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[0023] see Figure 1-3 , the present invention includes a nuclear phase initiator 1 and a nuclear phase judgment terminal 2, and the nuclear phase initiator 1 is configured with a launch assembly, and the launch assembly includes a signal collector a3, a launch host 4, and a launch clamp 5, as well as a device to be tested for the nuclear phase The ground wire a6 for grounding the power outage line; the receiving component is arranged at the phase verification judgment terminal 2, and the receiving component includes a signal collector b7, a receiving host 8, a receiving clamp 9, and a grounding device for grounding the power outage line to be tested for phase verification line b10;
[0024] The signal collector a3 is used to provide the transmitting host 4 with the voltage information of the live line of the nuclear phase initiator 1;
[0025] The transmitting host 4 performs arithmetic processing on the voltage information sent by the signal collector a3, extracts and displ...
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The invention provides a power outage line wireless phase check test device comprising a signal acquisition device a, a transmitting host, a transmitting clamp which are configured at a phase check initiating end, and a signal acquisition device b, a receiving host and a receiving clamp which are configured at a phase check judging end. The signal acquisition devices a and b are respectively used for acquiring voltage information of live lines of the two ends; the transmitting host receives the voltage information acquired by the signal acquisition device a so as to transmit a high voltage pulse signal with direction to the transmitting clamp, and the receiving clamp is used for sensing a signal transmitted by the transmitting clamp through a power outage line and transmitting a pulse signal with direction generated by coupling to the receiving host; and the receiving host receives the voltage information acquired by the signal acquisition device b and the pulse signal transmitted by the receiving clamp and judges in-phase property of the live lines of the two ends and in-phase property of the power outage line. The phase of the power outage line and the live lines of the two ends can be accurately checked so that successful grid connection of the power outage line in one step can be ensured and working efficiency and safety of engineering construction can be enhanced.
Description
technical field [0001] The invention belongs to the technical field of electric power equipment, and relates to the phase verification technology of power cables, in particular to a wireless phase verification testing device for power outage lines. Background technique [0002] With the continuous development of my country's power grid and the increasing demand for electricity, the construction and maintenance of power grid lines are increasing day by day. Before the newly constructed blackout line or line section is connected to the grid, the blackout line must be connected after the correct phase is verified. However, the previous method cannot guarantee that the phase of the blackout line after construction is consistent with the live running line. Check the phase operation by opening and closing the switch multiple times, so as to judge whether the phase of the power failure line to be checked is correct. If the phase of the line to be connected is wrong, it is necessar...
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Inventor 夏继东汤建勇徐啸裕郑宏谋伍德荣陈锡伟
Owner 国网黄石供电公司运维检修部(检修分公司)