RE-KONFIGURASI INTELLIGENT ELECTRONIC DEVICE SEBAGAI ANTISIPASI CYBER ATTACK DI GARDU INDUK YANG TERINTEGRASI DENGAN SUPERVISORY CONTROL AND DATA ACQUISITION
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
SETIAWAN, WAHYUDI
Damiri, Dhami Johar
Damiri, Dhami Johar
Subject
Teknik Elektro
Datestamp
2022-11-30 06:57:07
Abstract :
SCADA (Supervisory Control and Data Acquisition) systems have proven well to increase the efficiency and reliability of power grid system. However recent attack on SCADA system at some utility companies, put SCADA security to be a critical issue on power industry today. The use of TCP/IP as a carrier protocol and the trend to interconnect SCADA systems with enterprise networks, create serious security threats. This paper proposes re-configuration of IED (Intelligent Electronic Device) or microprocessor-based controllers of power system equipment, such as circuit breakers and transformers, at SCADA system to decrease cyber security threat at Substation level. The re-configuration is conducted by three methods; by not connecting the communication lines to the protection relays, change the bay control unit function to the bay monitor unit, and then optimizes the mimic bay control. It will limit the accessibility of Substation from the local HMI system, LAN remote station network, communication network between Master Station and Remote Station, communication network inside Master Station and office, and backdoor network to the vendors. Indeed this re- configuration still support the SCADA main functions to monitor all main parameters of power grid system, only disable the automatic mode of PMT operation at Substation
SCADA (Supervisory Control and Data Acquisition) systems have proven well to increase the efficiency and reliability of power grid system. However recent attack on SCADA system at some utility companies, put SCADA security to be a critical issue on power industry today. The use of TCP/IP as a carrier protocol and the trend to interconnect SCADA systems with enterprise networks, create serious security threats. This paper proposes re-configuration of IED (Intelligent Electronic Device) or microprocessor-based controllers of power system equipment, such as circuit breakers and transformers, at SCADA system to decrease cyber security threat at Substation level. The re-configuration is conducted by three methods; by not connecting the communication lines to the protection relays, change the bay control unit function to the bay monitor unit, and then optimizes the mimic bay control. It will limit the accessibility of Substation from the local HMI system, LAN remote station network, communication network between Master Station and Remote Station, communication network inside Master Station and office, and backdoor network to the vendors. Indeed this re- configuration still support the SCADA main functions to monitor all main parameters of power grid system, only disable the automatic mode of PMT operation at Substation
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