In October the Department electrical power supply systems 2556 (2013) has detected a power transmission system protection devices 69 kV relay protection. The error that occurred, it would have made the claim, with Siemens and Siemens installed a new relay, in. December 2556 (2013) with work inspection and maintenance of electrical power distribution station of the year with the Metropolitan electricity authority. Currently in the system testing period band Sha
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