Substation remote battery maintenance - online-Power Kingdom

by:Power Kingdom     2020-08-24
On November 12, the company equipment test work area switch overhaul of zhenjiang city, jiangsu province an innovation & other; CK - DJK type substation remote battery online balance maintenance & throughout; System debugging is successful, this marks the company substation dc system maintenance took a solid step forward to intelligent direction. The system is mainly used for transformer substation dc system of remote online balance in maintenance. It has two big functions: one is the battery for the remote online balance maintenance; Second, real-time monitoring of dc charging machine running condition, including the state of busbar voltage, grounding bus bar and other important power characteristic parameters, once found abnormal power state immediately, send out sound and light alarm directly submitted to the dc monitoring center in order to timely treatment, to avoid major electric power accidents. “ In the future as long as open a computer, click on the remote maintenance system platform, online equilibrium of monomer battery voltage transformer substation, control the bus voltage, switching voltages and other operation condition be clear at a glance, every day in the team can grasp the actual working situation of the battery. ” Switch overhaul class monitor chang-hua xie said. It is understood that substation dc system is the core of the transformer substation relay protection, control, in the case of station power interruption, battery will play its & other; Independent power supply & throughout; Role for relay protection and automatic device, circuit breaker tripping and closing, communication power source, emergency lighting and so on, to prevent further failure. Due to different battery internal resistance, voltage levels, and the voltage too high or too low will directly affect the service life of the battery. After remote online balance maintenance system was put into operation, as an effective method for on-line monitoring realize dc system, realized the remote to balance maintenance of battery, real-time adjust the charging voltage of single battery, make each section of the battery pack voltage tends to be consistent, to avoid the battery overcharge or owe charging situation, greatly improve the service life of the battery. At the same time, the dc system maintenance has been relying on manual inspection to the scene, especially the checking of battery discharge, need 2, 3, take two days time. Start the remote online balance maintenance system can realize a person can be in the office at the same time to one or more substation battery discharge check sex work, not only effectively reduce the manpower, and improve the working efficiency, and reduce artificial errors brought by the site operation, further to the safe operation of the system provides a favorable guarantee, for unattended substation to provide strong protection.
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