D1和VR1的钳尖端的电压尖峰惹起的变压器漏电感。
D1 and VR1 clamp leading-edge voltage spikes caused by transformer leakage inductance.
在变压器模型回路方程的基础上，应用等效瞬时漏电感，提出了一种新型变压器保护原理。
A novel principle of transformer protection using equivalent instantaneous leakage inductance, based on the transformer model loop equation, is proposed.
该方法不依赖于变压器铭牌上的短路电抗等参数，能实时监测变压器各侧漏电感的变化情况。
The principle is independent of short-circuit reactance and leakage inductance of each side can be effectively monitored in real time.
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