Smooth-starting system for high-voltage pump motors in the transneft druzhba oil pipeline

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作者：
ABB Avtomatkizatsiya Limited Company, NPF Manuka Limited Company, MN Druzhba Joint Stock Company [1 ]
机构：
来源：
Russ Electr Eng | 2006年 / 6卷 / 1-7期
关键词：
Automation - Electric switchgear - Ignition - Petroleum pipelines - Programmable logic controllers - Pumps;
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摘要：
An automated control system for smooth startup (ACSSS) has been installed at the Aksinino OPS in Druzhba pipeline, which is connected to the existing monitoring and automation system (MAS) and high-voltage motors. The ACSSS includes components such as a programmable digital controller with a control board (PDC), high-voltage switchgear (HSG) with five relay safety and automation (RSA) modules, and a 6-kV smooth-startup unit (SSU). The system has three basic operational modes including, standby mode, startup mode, and emergency mode. The most important and expensive component of the ACSSS is the SSU, therefore, great care is required in its selection. The digital controller of ignition employs voltage and current feedback signals ensuring smooth increase in the specified outside signal during startup. The system is also recommended for installation at other Transneft OPS.
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