NEGA series of three-phase AC aging equipment is a special equipment for aging of high-power AC power supply. The system adopts online dual conversion topology architecture and proprietary active inverter technology, and uses advanced power electronic transformation technology to feed the electric energy output from the AC tested equipment to the power grid after rectification and inverse transformation, so that the electric energy can be recycled (the feedback efficiency is more than 90%), which is realized efficiently. At the same time of automatic and intelligent testing and production, it greatly reduces the power consumption of production and testing, reduces production costs, saves social resources, improves production aging capacity, reduces thermal pollution and reduces fire hazards.
Application fields:
It can be used for testing of large UPS, off grid inverters, on-board inverters, AC power supply and other power components such as switches, circuit breakers, fuses and connectors.
With function of self-diagnosis, it can ensure normal state during routine startup.
With function of fan speed control, it can keep low noise as much as possible.
With function of multiple protection, such as over-power, over-current, over-voltage and over temperature.
With unique time measurement and setting function, automatic management equipment, can achieve unattended.
With remote control and monitoring functions, it can form a complete test system with communication and other equipment, which greatly provides system test efficiency.
With the flexible parallel on-line function and can expand the current and power to meet the test requirements of high-power single-phase power supply.
Three load working modes: constant current, constant resistance, constant power, and adjustable power factor of feeder.
The harmonic of grid connected current is less than 3%, and there is basically no harmonic pollution to the power grid.
Power range: 1 ~ 120kVA
Working mode: CC / CV / CP, output isolation
Special requirements can be customized