介绍了环氧树脂浇注干式变压器无填料绕组浇注的工艺特点、材料的选择和配方设计，提出了浇注过程中应注意的事项。
The formulation design, processing characteristic and material choice of winding without filling in epoxy resin cast dry-type transformer are introduced. The warnings in cast process are presented.
需要注意的是如果变压器和线路耦合元件精确的已知，识别算法在无噪声环境里精确的距离超过18千英尺。
It should be noted that if the transformer and line coupling components are known precisely, the identification algorithms are accurate beyond 18 KFT for noiseless conditions.
介绍了一种太阳能无变压器式彩电电源，即高效率的DC/AC变换器。
The author introduces a solar energy transformerless colour TV power supply, i. e, high efficiency DC/AC converter.
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