Secondary Equipment in Distribution Rooms refers to devices including DTU terminals, relay protection devices and background communication systems, which work alongside primary high and low voltage main equipment in the power distribution hub to perform power distribution, equipment management and…

In power systems, dual power supplies are generally configured to guarantee uninterrupted power supply to critical loads. When the main power source fails, loads need to be quickly transferred to the standby power supply. This function is commonly realized with…

Secondary Equipment in PV Power Generation refers to auxiliary devices of the photovoltaic power generation system. Responsible for monitoring, control, protection, measurement, regulation and communication management, Secondary Equipment in PV Power Generation serves primary equipment including photovoltaic modules, inverters, step-up…

As the most widely used product in the field of relay and protection, Transmission Line Protective Relay is commonly adopted in substations, distribution stations, hydropower stations, pumping stations and photovoltaic power plants. Core Functions & Types of Transmission Line Protection…

Generators run continuously under harsh conditions with high voltage, heavy current and high rotating speed, prone to faults such as stator winding short circuit, rotor grounding and loss of excitation. Severe faults will damage the generator and even cause power…

During operation, motors shall be protected or alarmed against overload, phase loss, locked rotor, short circuit, overvoltage, undervoltage, earth leakage, three-phase unbalance, overheating, bearing wear as well as stator and rotor eccentricity. Therefore, dedicated protection is essential for electric motors.…

What is a digital fault recorder Fault Recorder in Substation, also referred to as Digital Fault Recorders or Fault Recording Devices, is essential equipment for power system automation. Digital Fault Recorder can be used for dynamic recording and fault analysis…