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- Cause Analysis and Counter-measures of Bus Voltage Transformer 母线电压互感器事故分析及预防措施
- bus voltage transformer 母线压变
- A SMPS is a type of voltage transformation device. 交换式电源供应器是一种电压转换器具。
- No load tap ranges should be selected to provide an adequate low-side bus voltage. 无载分接范围选择应能提供正确的低压侧母线电压。
- All of them have been operation at 300 kHz, bus voltage of 400 V, output power of 120 W, output voltage of 16 V. 它们都工作在300千赫兹，直流母线电压400伏特，输出功率120瓦特，输出电压16伏特。
- One is the low bus voltage at Omei substation;and the other is the low frequency oscillation problem. 目前台电系统中存在两个主要问题：一个是峨眉汇流排电压过低的问题，另一个是潜藏在区域间的低频振荡问题。
- The basic principle of the voltage transformer (discharge coil) is similar to the transformer. 电压互感器(放电线圈)的基本工作原理与变压器相似。
- The bus voltage loss w ill resu lt in power system acc ident or even large area power b lackout. 电网中运行着的母线一旦发生失压事故,会对电网造成很大的影响,甚至能迫使电网瓦解并造成大面积的停电事故。
- The capacitance bleeder is used in capacitive voltage transformer as bleeder, concurrently as coupling capacitor. 电容分压器用于电容式电压互感器中,做分压器用并兼作耦合电容器使用。
- GPS-based synchronized phasor measurement unit(PMU) can measure the power angle or phase angle of bus voltage directly. 基于GPS的同步相量测量单元(PMU)实现了电力系统的功角或母线电压相角直接可测。
- Fan, notor, water-pump and voltage transformer arethe four kinds of common electromechanical equipments, also big energyeaters. 风机、泵、压器、动机是四类量大面广的通用机电设备,也是耗能大户。
- When a fault occurs in a power system, fault area is located using Broad First Search(BFS) method by breakers and bus voltage message. 摘要电网发生故障时，根据断路器跳闸信息和母线电压信息，采用BFS（广度优先搜索）的方法搜索出故障区域。
- As a set of voltage measuring device,the measuring accuracy of optical voltage transformer is an important indication of system performance. 光学电压互感器作为一套电压测量设备,测量精度的准确性是衡量系统性能的重要指标之一。
- Abstract: When a fault occurs in a power system,fault area is located using Broad First Search(BFS) method by breakers and bus voltage message. 摘要:电网发生故障时，根据断路器跳闸信息和母线电压信息，采用BFS（广度优先搜索）的方法搜索出故障区域。
- By far, some reliability designs and optimization designs of voltage transformer are studied, but the methods they adopted are still traditional. 目前，在电压互感器设计中，虽有人进行过可靠性设计和优化设计方面的研究，但采用的方法仍为传统方法。
- Auxiliary voltage transformers for controls and metering. 控制以及测量用补助电压变压器。
- Based on the converse piezoelectric effect of quartz, a novel dual-mode interferometric electronic voltage transformer is presented. 摘要基于石英晶体的逆压电效应，研制出一种双模干涉式的电子电压互感器。
- The metohd for analysing the dynamic process of auxiliary bus voltage, frequency and coastdown of reactor coolant pump at the time of power supply failure was suggested. 通过秦山核电厂在电源事故情况下,厂用母线电压,频率的动态过程研究和主泵惰走的分析研究,阐述了这一问题分析研究的方法,给出计算结果并通过动态模拟试验进行验证。
- A new voltage transformer named optic-electronic voltage transformer (OEVT) is presented, which assimilates strongpoint of CVT & OVT. 光电式电压互感器综合了电容式电压互感器和光学电压互感器的优点，采用光纤传输电压和温度信息，实现了高低电压之间真正的电隔离；
- Capacitor bus voltage is distorted due to harmonics, so both the r.m.s and crest values of the waveform should be measured in the over-voltage protection. 电容器母线电压因含有谐波而发生畸变，因此在过电压保护时要分别计算实际的电压有效值和峰值。
