本系统为确保可靠工作和安全运行,设置了软起动、过电压、过电流和过热等保护环节。
To insure reliable operation and safe motion, the soft start, the overvoltage, overcurrent, and overheating protection are installed at the system.
因此必须采取适当的保护措施以避免因过电压及其所产生的过电流对传输线路、通信设备和人员造成的危害。
They must take the appropriate protective measures in order to avoid over-voltage and over-current generated by the transmission lines of communications equipment and personnel hazards.
分析了中性点接地电容器组内部故障时的内部过电压和相电流变化,并给出了相应计算公式。
This paper analyses the internal overvoltage and the phase current of grounded wye shunt capacitor bank when there are failures in it, and gives corresponding equations.
同步关合是指断路器动、静触头在系统电压波形的指定相角处关合,以减小合闸操作的过电流和过电压的一种智能操作技术。
Synchronous closing is an intelligent control technique. It can make the moving and stationery contact-header of circuit breaker to close on the specified phase angle of the power system voltage wave.
该算法产量低共模电压和电流,在可接受哒PWM输入纹波 和输出哒逆变器,并没有过电压 提问题不要像AZSPWM1。
The algorithm yields low common mode voltage and current, acceptable PWM ripple at the input and output of the inverter, and has no overvoltage problems unlike AZSPWM1.
介绍了3种新型保护器件的原理与应用,包括有源电磁干扰(emi)滤波器、集成过电压保护器件和集成过电流保护器件。
The principle and application of three new protection ICs including active EMI filter, over voltage protection IC and over current protection IC are introduced.
发电机带长线路甩负荷时,因容性电流对发电机产生助磁作用从而使发电机发生自励磁和过电压。
Self-excitation and over-voltage caused by generator load rejection with long lines occurs because of the capacitive current has a function to help the magnetic excitation of the generator.
测试中的暂态过电压、暂态电流最大值均未超过设计和规程允许值。
Measurement results show that the maximum values of the measured transient voltages and currents have not excessed the designed values and allowable values specified in the standards.
测试中的暂态过电压、暂态电流最大值均未超过设计和规程允许值。
Measurement results show that the maximum values of the measured transient voltages and currents have not excessed the designed values and allowable values specified in the standards.
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