A transformer DC bias current management method and device

Abstract

The embodiments of the invention disclose a transformer direct-current bias current management method, server and system for solving the technical problems that the direct-current management monitoring system in the prior art only acquires and manages data of a direct-current monitoring device, is single in function, only involves in partial data statistical function, lacks site and machine account management functions and cannot provide an effective support for transformer direct-current bias current management. The system comprises a direct-current monitoring device and a direct-current bias suppression device. The transformer direct-current bias current management method comprises the steps of: acquiring direct current and direct-current bias current monitored by the monitoring device via an acquisition device; and inquiring statistical data and change trend of the direct current and the direct-current bias current according to the direct current and the direct-current bias current.

Description

technical field [0001] The invention relates to the field of transformer direct current bias current, in particular to a transformer direct current bias current management method and device. Background technique [0002] The high-voltage direct current transmission system (HVDC) is an important part of the transmission network of the State Grid and the China Southern Power Grid. During normal operation, the path of the DC current is the positive and negative pole lines. In fact, it is composed of two single-pole ground loop systems that operate independently. The current direction of the positive and negative poles in the earth loop is opposite, and the ground current is the difference between the currents of the two poles. Any of the bipolar poles can constitute an independently operating unipolar power transmission system, and the voltage and current of the bipolar poles can be unequal. When the bipolar voltage and current are equal, it is called the bipolar symmetrical ...

AI Technical Summary

Problems solved by technology

[0009] The embodiment of the present invention provides a transformer DC bias current management method, server and system, which solves the problem that the DC current management and monitoring system in the prior art only collects and manages the data of the DC current monitoring device, has a single function, and only involves Part of the data statistics function, the lack of site and device ledger management functions, technical problems that cannot provide effective support for transformer DC bias current management

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