The attributes of DC load boxes can be categorized into capacitive, resistive, and other forms. Today, let's first introduce the capacitive type. It is a detection device primarily used for generators or high-power UPS systems, supporting both remote and local control. It is equipped with a forced cooling system to ensure long-term stable operation. Remember, when connecting the phase sequence, link it in the order of A_B_C_N to avoid the fan reversing or failing to operate. When using it, we should observe the motor's output voltage, output power, terminal connections, grounding status, and whether the fan and exhaust are functioning normally. Only after ensuring there are no issues should we proceed step by step according to the sequence of step-up and step-down operations. Aviation ground power 2, 36V aviation power 1, 400Hz frequency conversion power supply 7, 115/200V power supply 2, 27V DC power supply 5, 400Hz power supply 12, aviation power.
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