信号控制电缆采用能耐交流额定电压500伏以上的铜芯电缆。
Signal control cable applied the copper cored cable which may withstand 500 AC rated voltage.
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
At rated control supply voltage less than 35% under-voltage should prevent breaker from closing.
电源电压应控制在不大于或小于额定电压的5%范围内，如果电压过高或过低都会损坏电机。
Supply voltage should be controlled at not more than or less than 5% of rated voltage range, if the voltage too high or too low will damage motor.
跟我解释说要求和额定电压是控制在144 9伏吗？
Explained to me the requirement or suppressed voltage rating listed under the UL1449?
下超调下超调指电压调整器或控制器在应对负荷变化时，电压或频率低于额定的量。
Undershoot Undershoot refers to the amount by which voltage or frequency drops below the nominal value as the voltage regulator or governor responds to changes in load.
在额定控制电源电压的35%～70%时，欠电压脱扣器应可靠使断路器脱扣；
Under the voltage of 35% ~ 70% of the rated voltage, the under-voltage release should make the breaker trip correctly.
在额定控制电源电压低于35%时，欠电压脱扣器应防止断路器合闸。
In case of the operation voltage less than 35% of the rated voltage, the under-voltage should prevent the breaker from closing.
电源电压应控制在不大于或小于额定电压的5%范围内，如果电压过高或过低都会损坏电机。
Supply voltage should be controlled at not greater than or less than the rated voltage range of 5%, if the voltage too high or too low will damage motor.
本品适用于交流额定电压3KV及以下铁路机车车辆及其它车辆的电力及控制系统。
Suitable for the power and control system of railway locomotives and other vehicles rated A. C. 3KV and below.
用途Usage适用于使用交流额定电压450/750及以下控制、监控回路及保护线路等有一定环保要求的阻燃场合。
It is applicable for control, monitoring circuit and protective circuit of rated voltage up to and including 450/750V, used in the anti-flaming location which requires environment protection.
本产品不仅具有阻燃性，而且兼具低发烟性和无公害性适用于交流额定电压300／500V及以下电梯随动、井道，机房、轿厢预制电缆及其它控制线路用。
Suitable for circuitry of elevator traveling hoist way machine car prefabricate cable of rated voltage 300/500V A C as well as below It is halogen free flame retardant and low smoke.
该CTR系列产品提供具有UL认证的交流额定输出功率为每通道25安培，在600伏交流电，交流或直流输入控制下，零电压或随机打开，具有IP20触摸安全构造和内部散热器。
The CTR series offers UL approved AC output ratings of 25 amps per channel at 600 VAC, AC or DC input control, zero voltage or random turn on, and IP20 touch safe construction with integral heat sink.
数值实验显示该控制器具有很好的普适性，以及此系统能快速跟踪额定电压范围内的参考电压，转矩脉动能被有效抑制。
It can ensure that the controlled system tracks rapidly the reference voltage within the scope of the given saturation voltage, while torque pulsation can be attenuated effectively.
数值实验显示该控制器具有很好的普适性，以及此系统能快速跟踪额定电压范围内的参考电压，转矩脉动能被有效抑制。
It can ensure that the controlled system tracks rapidly the reference voltage within the scope of the given saturation voltage, while torque pulsation can be attenuated effectively.
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