Circuit loop polarity measuring method for busbar protection double transformation
A technology for current loop and busbar protection, applied in the field of dual transformation of busbar protection for current loop polarity measurement, to achieve the effects of easy popularization, simple principle, and improved work efficiency and work quality
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[0021] Embodiment: A current loop polarity measurement method for dual transformation of busbar protection in this embodiment includes the following steps:
[0022] A. Decommissioning a component that needs to be modified;
[0023] B. Connect the current loop of the component to the new bus protection device;
[0024] C. Reactivate the component;
[0025] D. Use a phase meter to measure the phase difference of the current loop of the component on the new bus protection device and the old bus protection device. If the phase difference is 0 degrees, it is determined that the polarity of the current loop is correct, and the transformation of this component is completed; if the phase difference is 180 degrees, enter step E;
[0026] E. Reverse the connection of the newly connected current loop in step B, and repeat step D.
[0027] The dual transformation of the busbar is to add a busbar protection device in the circuit system to improve the safety of the line. The new bus pro...
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