The main circuit consists of three parts: resistive load, inductive load and capacitive load.
Resistive load : 0.01-0.09kW, 0.1-0.9 kW, 1-9 kW (three 10-speed rotary combination switches); 4kW, 8kW, and 10kW (three toggle switches), totaling 31.99KW
Inductive load : 0.01-0.09 kVA, 0.1-0.9 kVA, 1-9 kVA (three 10-speed rotary combination switches); 6kVA, 10kVA, 20kVA, 30kVA (four toggle switches), total 75.99kVA.
Capacitive load : 0.01-0.09 kvar, 0.1-0.9 kvar, 1-9 kvar (three 10-speed rotary combination switches); 6kVA, 10kvar, 20kvar, 30kvar (four toggle switches), total 75.99 kvar resistive, inductive Capacitive parts can be freely combined with a minimum step size of 10W.
Applicable ambient temperature range : -10 ~ +40 °C. Load resistance box, high power adjustable resistor
Access load voltage : Three-phase AC380V/50Hz (line voltage 380V, phase voltage 220V).
Wiring method : three-phase four-wire system. Voltage accuracy is ±0.5% and voltage resolution is 0.1V. The frequency measurement range is 40-60Hz. Current measurement range 0-500A. When resonance occurs, R=5.3Ω, L=6.17×10-3H, C=1.65mF, Q=2.5.
Cooling method : air-cooled. Load resistance box, high-power adjustable resistor The load cabinet has a control panel with an RS232 interface, and the load is connected to the computer. The data stored in the load is transmitted to the PC for processing through related software.
Working power : AC 220V/50Hz.