该指标通常包括最大载流和最大切换电流。
The specification usually includes both the maximum carry current and the maximum switched current.
如果被切换电流足够高，通道电阻会引起明显的电压降。
The channel resistance may cause a significant voltage drop if the current being switched is high enough.
切换电流是指继电器在开路和闭合触点时能可靠处理的最大电流。
Switched current is the maximum current that can be handled reliably while opening and closing contacts.
如果切换电流太高，造成的温度升高和接触电弧将会劣化继电器并缩短接触寿命。
If the switched current is too high, the resulting temperature increase and contact arcing will degrade the relay and shorten the contact life.
现场工业试验成功地实现了大功率电机变频到工频的平稳切换，切换电流大大减小。
In the industry test is realized to successfully complete the switch from VF to WF, the switch current greatly decrease.
理论上讲，这种机械切换电流通断或方向的方法，或许有一天会成为任何纳米尺度电路的关键元件。
In theory, this could one day provide a key component of any nanoscale electrical circuit-a way to mechanically turn the current on and off or change its direction.
旧款的手机充电相当粗放，通常是电池充满后，充电器切换到涓流电流，来维持一个最高的电量。
Older phones were rather inelegant in their charging behavior; usually filling the battery to capacity and then switching to a trickle current to maintain the highest charge possible.
从一个电流转换到另一个电流只需简单的一个按钮﹐或者在一个可以调节的频率下自动切换。
Changing from one preset current to another can be simple as pressing a button, or switch automatically at an adjustable frequency.
高阻电路的切换应用包括小电流、高电阻和高阻抗电压应用。
Switching applications of high impedance circuits include low current, high resistance, and high impedance voltage applications.
切换和测量具有高内阻的电压源会受各种误差的影响，包括偏移电流、寄生漏泄通路，以及静电干扰。
Switching and measuring voltage sources with high internal impedance are subject to a number of errors, including offset currents, stray leakage paths, and electrostatic interference.
总体而言，小电流矩阵切换可能会变得非常复杂，将通过图示进行说明。
In general, low current matrix switching can become complex and is best explained by illustration.
对小电流切换的交叉点定期进行系统检查。
Periodically perform this system check on only the crosspoints for low current switching.
冷切换是指在没有电流流通时开路或闭合开关。
Cold switching is defined as opening and closing the switch when no current is flowing.
如果切换系统中会混合出现小电流、高电压和高频信号，屏蔽则非常关键。
Shielding may be essential in a switching system if a mixture of low current, high voltage, and high frequency signals are present.
“最大信号电平”是指能够切换但又不会损坏开关卡的电压、电流和功率的最大值。
"Maximum signal levels" refers to the highest levels of voltage, current, and power that can be switched without damaging the switch card.
安装进线刀开关、进线电流表、电压表(可切换)和进线电压指示灯。
Install incoming disconnect switch, incoming current meter, voltage meter (switchable) and incoming voltage indicator light.
对于切换小电流来说，开关卡的偏移电流指标应该尽可能小。
The offset current specification of the switch card should be as low as possible for switching low current.
在电流切换应用中，可能需要将多个电流信号切换至单台仪表，或者可能需要将一个信号源连接到多个负载。
Current switching applications may require connecting multiple current signals to a single meter, or may require connecting a single source to multiple loads.
小电流复用切换中所有用来减小干扰的技术也都适用于小电流矩阵切换。
All the special techniques used to minimize interferences for low current multiplexing also apply to low current matrix switching.
有些小电流应用需要通过矩阵进行切换。
Some low current applications require switching through a matrix.
为了获得准确的结果，偏移电流技术指标必须小于被切换的信号电流。
To achieve accurate results, the offset current specification must be smaller than the signal current that is being switched.
与将多个电流信号切换至单台安培表不同，将一个电流源切换至多个负载通常不需要任何时候到维持电流通路的连续性。
Unlike switching current signals to an ammeter, switching a current source to multiple loads usually does not require maintaining the current path at all times.
分别关闭每个通道，并等待切换瞬态小时且电流稳定后，测量偏移电流。
Close each channel individually and measure the offset current after allowing the switching transients to decay and the current to stabilize.
由于切换的是高阻抗，所以切换小电流(5.3.1部分)和高阻抗电压(5.2.3部分)时采用的技术也同样适用。
High impedances are being switched, so some of the same switching techniques used when switching low current (Section 5.3.1) and high impedance voltages (Section 5.2.3) are equally applicable here.
介绍了大型火电机组高压厂用母线切换时的情况，对大型异步电动机切换时的暂态过程进行了数学分析，介绍了减少切换时冲击电流的方法。
When the HV station service bus is switching, the transient of the large sized asynchronous motor is analyzed and a method of inducing the impulse current is introduced.
开关卡的技术指标通常是由特定的应用决定的，例如小电流或高电压切换。
Switch card specifications are usually stated with a specific application in mind, such as low current or high voltage switching.
分析了影响光纤电流纵差保护正常的原因，提出了旁代时通道的切换方案以及日常运行管理的几点建议。
Analysis of factors impacting on operation of optic protections, putting forward channel switch scheme of fiber protection when bypass breaker as line breaker.
梯度线圈中的脉冲电流具有很高的切换速度，这必然会在周围导电部件中引起涡流。
Eddy currents will be caused in ambient conducting parts because of the rapid switch speed of current pulse in gradient coils.
为及时向切换控制提供线路电流同步信号，提出了一种预测电流过零的方法。
To provide synchronization signal of line current for switching control in time, a method to forecast the crossover point of the current was given.
为及时向切换控制提供线路电流同步信号，提出了一种预测电流过零的方法。
To provide synchronization signal of line current for switching control in time, a method to forecast the crossover point of the current was given.
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