高电压试验设备 high-voltage testing equipment 工频试验变压器 power frequency testing transformer 串级工频试验变压器 cascade power frequency testing transformer ..
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cascade power-frequency testing transformer [电] 串级工频试验变压器
power frequency resonant testing transformer 工频谐振试验变压器
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The testing voltage of the secondary winding of transformer has to be 80% stipulated testing voltage while repeated power frequency voltage with-stand test needed.
互感器一次绕组的重复工频耐压试验应在规定试验电压值的80%下进行。
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