变压器

It is shown that what affect the amplitude of pre-pulse voltage are the grounding inductance and the frequency of the charging loop circuit, which is determined by the secondary coil inductance of transformer and the capacitance of PFL.

研究表明由变压器副边电感和脉冲形成线电容构成的回路充电频率和接地电感的大小是影响预脉冲电压幅值的主要因素。

Applicable to high-, low-frequency transformers, Ballast, ignition coil, coil inductance, voice coil, communications power supplies and customers can request custom models and special products.

适用于高、低频变压器、安定器、点火线圈、线圈电感、音圈、通讯电源等，并可按客户的要求及特殊产品订制机型。

And the leakage inductance of the transformer.

电容和变压器漏感引起的寄生振荡产生的。

It points out the problem that should be paid attention to in designing transformer and the measure to reduce leakage inductance.

对此提出了变压器设计时应注意的问题及抑制漏抗影响的措施。

It compartmentalizes the transformer"s status to 5 levels. However, the normal transformer"s status is only compartmentalized to 2 levels as eligibility and ineligibility.

将以往对变压器状态合格或超标两种状态划分，深入划分为优良中差坏五中状态，并给以对应的维护策略。

Dry type power transformer is widely applied due to its advantages: fireproofing, innocuity and non-maintenance and so on.

干式电力变压器具有难燃、无污染等显著优点，其应用越来越为广泛。

The theory of transformer magnetizing inrush current is thoroughly analyzed in this paper and the calculation method is given.

分析了变压器励磁涌流产生的机理，并给出了简洁明了的计算方法。

This paper proposes a novel method of suppressing the inrush current of transformers.

提出了抑制变压器冲击电流的新方法。

In chapter six, two novel methods of distinguishing magnetizing inrush current have been studied.

第六章研究了两种鉴别变压器励磁涌流的新方法。

The analysis of data of inrush current and the experiment based on DSP indicated the effect of criterion.

采用实际变压器励磁涌流数据进行的分析和基于DSP 保护装置的程序实验表明该判据是有效的，具有一定的实际价值。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。