United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic overload limiting unit. Norms and requirements
State system for ensuring the uniformity of measurements. State verification schedule for provided with measuring functions technical systems and devices, accomplishing for measuring the volumes (amounts) of the digital information (data), transmitted over the Internet and telephony channels
Automatic water and foam extinguishers systems. Automatic fire water mist spray extinguishers systems. Modules. General technical requirements. Test methods
