Siemens Power Transmission and Distribution (PTD; Erlangen, Germany) has received from the Kazakhstan Electricity Grid Operation Co. (KEGOC) an order to modernize the control and protection equipment in all its substations. The order is worth more than Euro 50 million; it is the largest individual order received to date by the Power Automation Division. The aim is to improve the reliability of energy transmission and the availability of the electrical grid. Siemens PTD will replace the existing equipment of 67 high- and extra-high-voltage substations in Kazakhstan with state-of-the-art control and protection systems. The scope of performance includes not only the supply of hardware and software, but also engineering, commissioning and training of operating and control room staff.
In this modernization project, Siemens will replace all the existing analog solid-state protection devices in the substations with digital systems from its Siprotec product line. Additionally, Siemens' substation automation system Sicam will be supplied. Sicam and Siprotec components constitute a uniform solution for control and monitoring of the power transmission and distribution systems. In the substation control rooms, the conventional control panels will be replaced by modern display workstations for the operators. The ease of use of the system components, its electromagnetic insensitivity, its long service life and ability to provide operating and diagnostics data were crucial factors for KEGOC's decision to choose Siemens substation control and protection technology.
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