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- high impedance relay 高阻抗继电器
- A high impedance coupling device will limit loading. 一个高阻抗的耦合装置将限制负载。
- In the high impedance state,output voltage is unaltered. 在高阻抗状态，输出电压不改变。
- High impedance and EMI suppression effective over a wide frequency range. 在较宽的频率范围内有高阻抗及EMI抑制效果
- electrodynamic type high speed impedance relay 电动式高速阻抗继电器
- It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage. 说明了阻抗继电器是建立在测量阻抗概念上的一类继电器;距离继电器是建立在补偿电压特点基础上的一类继电器。
- This choke must be large in value, and provides a relatively high impedance at audio frequencies. 这一扼流圈必须有足够大的容量，并能在音频内提供相对高的感抗。
- This paper presents an up-to-date design of bioelectric preamplifier with low noise- high common-mode-rejection ratio (CMRR) and high impedance. 本文介绍一种利用负反馈原理由集成运算放大器构成的低噪声、高共模抑制比、高输入阻抚前置放大器。
- DVM usually got an input impedance of 10 Mohm. There may be loading effect when measuring high impedance circuit. 数字式电压表通常有10兆欧的输入阻抗.;当测量高阻抗电路时，可能会有影响
- When choosing a card to switch high impedance voltage, make sure the card has a low offset current. 在选择切换高阻电压的开关卡时，请确保开关卡具有低偏移电流。
- A novel power conditioning circuit for flux compression generators (FCG) to drive high impedance loads is presented. 爆磁压缩发生器一般具有较低阻抗,在驱动较高阻抗负载时需要脉冲功率调制电路。
- For broken overhead covered conductors the fault reveal high impedance faults（HIF）to the distribution systems. 由于高阻抗人工故障试验不易实施，所以有必要发展一套可以模拟与分析高阻抗故障的元件与系统模型。
- CM and C CM cause the same type of leakage and shunt errors in low current and high impedance circuits as seen earlier. 如前所述，Rcm和Ccm会在小电流和高阻电路中引起相同类型的漏泄和分流误差。
- A new scheme for the high impedance faults (HIF) detection in double-circuit lines was presented. 摘要提出了一种适用于双回线路接地故障的继电保护新方法。
- Shielding is required because high impedance circuitry is susceptible to pickup of spurious radiated noise. 由于高阻电路容易拾取杂散的辐射噪声，所以需要采取屏蔽措施。
- To achieve the high impedance required specially designed "electrometer" vacuum tubes, field effect transistor must be used in the input stage. 为适应高阻抗需要，仪器输入电路中须用特殊设计的静电计专用电子管、场效应晶体管。
- In th e paper,the author introduces the practice of revamping a normal power 30t arc furnace into a high impedance UHP arc furnace. 将普通功率电弧炉改造为高阻抗电弧炉具有投资少,效果好,产量大幅度提高,经济效益显著的突出优点。
- This articlc describcs the desiugn, making and brief test of high impedance amplifier in ion - selectiveelectrode medical analyser. 本文介绍了采用“离子选择性电极”的“医用离子分析仪”中的高阻转换电路的设计，制作和简易测试方法。
- The results indi-cate that the comsumption of power and electrode is decreased in high impedance EAF and the economic benefits are obviously ob... 最后提出我国发展高阻抗电弧炉的看法。
- In this paper,the operation margin of mho relays(zone 3 impedance relays) is equivalently redefined as function of bus voltages instead of line impedance. 研究了距离三段保护的动作性能,将其动作裕度定义为两端节点电压的函数。
