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- The following bursts start at zero voltage for purely resistive loads. 下面的零电压式触发启动是对纯阻性负载的.
- When voltage become over the setting value, voltage relay shall be operated. 当电压成为超过设定值，电压继电器应经营。
- A connection between an electrical device and the earth (which is a zero voltage). 连结电装置和土地（零伏）的连结物。
- Automatic feedwater and constant temperature were realized by low voltage relay. 在电路上采用低电压温控继电器安全设计,实现了自动给水和加恒温控制;
- Thyristor firing and non-firing are synchronised with the supply and are performed at zero voltage for a resistive load. 对于阻性负载;于供电同步的触发电压和非触发电压是在零电压点执行的.
- The hardware of the voltage relay are divided into five parts, which are central processing unit, A/D conversion, keyboard display, communication module and execution module. 文中在硬件设计部分将该继电器分为中央处理单元、模数转换模块、键盘显示模块、通信模块和执行模块等几部分进行了详细的论述。
- Under developing four different modes of operation of the push pull zero voltage switching multiresonant converter (PP ZVS MRC), a complete DC analysis is presented. 将零电压开关多谐振技术应用于推挽变换器电路，提出了一种推挽式零电压开关多谐振高频变换器（PPZVS－MRC）电路方案，较全面、完整地对其稳态工作模式和直流特性进行了分析，发现了变换器正常运行的4种工作模式。
- Our experimental results have proved the possibility of generating PS pulses by Josephson junction when baised near the zero voltage state, which was proposed by Peterson. 我们的实验结果论证了 Peterson 等人提出的约瑟夫逊结零电压附近结电压尖脉冲具有 PS 数量级和采用约瑟夫逊结产生 PS 尖脉冲的可能性。
- Soft switching full bridge converter has been proposed to meet these goals by establishing zero voltage switching condition across the power transistors. 为了此一目的，全桥软切换转换器因应而生，此种技巧可利用开关元件的零电压切换，来有效的降低切换损失。
- This scheme introduces zero voltage resonant technology of pulse width modulation and phasing resonant controller UC3875,and its application in power converter. 介绍了相移脉宽调制零电压谐振技术和相移脉宽调制谐振控制器UC3875的性能及其在功率变换中的应用。
- Digital medium power control and intelligent operation manage mend with its characters of frequency scanning start of zero Voltage, Strong anti-interference, quick melting energy saving and efficiency promotions etc. 数字化可控硅中频电源,智能化操作系统。其特点有:零压扫频启动,抗干扰能力强,熔炼速度快,节省能源,提高效率等。
- Study on the the control effect of zero voltage vector in DTC and a modified strategy of DTC of PMSM. The simulation experiment results show that they could restrain torque ripple availably. 研究了零电压矢量在直接转矩控制中的作用和一种改进的永磁同步电机直接转矩控制策略，仿真结果表明将零电压矢量引入控制和改进的策略都能明显抑制系统转矩脉动。
- A phase shift converter can achieve zero voltage switching on the leading leg and zero current switching on the trailing leg by utilizing the reverse avalanche characteristics of IGBT. 利用IGBT的反向雪崩特性，实现伪相移变换器前臂零电压、尾臂零电流开关，使IGBT可在高开关频率下运行，且降低了开关损耗。
- Simulation and experimental results show that the proposed converter has sine wave input current and output voltage, low harmonic content, adjustable power factor, and zero voltage commutation. 仿真和实验结果表明：所提出的变换器输入电流和输出电压为正弦，谐波小且输入功率因数可控，并可实现零电压换流。
- induction type under voltage relay 感应式过低电压继电器
- positive-phase-sequence voltage relay 正相序电压继电器
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- Research on Zero Voltage Transition APFC Circuit 一种零电压转换有源功率因数校正电路的研究
- The anchor man in a relay team runs last. 接力队中的主力跑最后一棒。
- pulse-width modulation / zero voltage switching 脉宽调制/零电压切换
