船舶发电机组过载保护试验、并车试验、逆功率和逆电流保护试验；
Overload protection, and vehicle test, reverse power and reverse current protection test for marine generator.
通过对不同电池片进行遮挡实验，分析得出逆电流大的电池更易产生热斑。
Through the experiment of shaded different PV cells, we have concluded that the higher reverse current is, the easier hot-spot happens.
止逆装置用于防止泵反转，反转将导致堆芯旁通流量增加和泵启动电流增加。
An anti-reverse rotation device prevents the pump from turning backwards which would increase core bypass flow and pump starting current.
将直流变为频率可调的交流电流就称逆变。
The DC into AC current adjustable frequency that the inverter on.
比较电压偏差及其变化率，查询模糊控制表，调节逆变脉宽，可实现电压及电流的理想控制。
According as compare of voltage deviation and its variable ratio, optimal control of voltage and current is realized with querying fuzzy control sheet and adjusting adverse variable pulse width.
基于测量合、分闸线圈的电流波形，提出了进行电磁铁动态特性逆分析的方法。
Based on the measurement of current waveforms in opening or closing coils, a novel method was proposed for converse analysis on dynamic characteristics of electromagnets.
该系统包含升压和逆变两个环节，均采用电压外环、电流内环的双环pwm控制方式。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
逆变式弧焊电源是新一代的弧焊电源，其特点是速度快，直流输出电流波纹小，电弧稳定，质量小，体积小，能耗低。
The inverter arc welding power source is the new power source and features high speed, small DC current ripple, stable arc, light weight, small capacity and low power consumption.
焊接电流与电压的准确测量对精密控制逆变电阻点焊电源和保证焊接质量至关重要。
The accurate measurement of welding current and voltage is very important to the exact control of resistance spot welding inverter and welding quality.
在杂散场测量与软件补偿实验中，发现同心圆逆磁线圈感应的杂散信号主要来自垂直场、涡流电流、等离子体电流和纵场电流的变化。
In the experiments of measurement and software compensation of diamagnetism, it is found that stray fields mainly come from the vertical field, plasma current and eddy current.
基于电力电子逆变技术的静止同步无功补偿器（STATCOM）具有动态响应速度快、调节范围广、装置体积小、补偿电流波形品质高等优点，成为无功补偿的发展趋势。
The STATCOM based on the multi-level converter technology becomes a trend with fast dynamic response, extensive range of regulation, smaller volume, and high quality waveform of compensating current.
采用电磁隔离霍尔元件进行电流检测，采用了IGBTCPV 363m 4 K模块组成逆变桥来实现功率主回路直流到交流的逆变。
Electromagnetism isolated Hall sensor is used to sense the phase current of the PMSM, and the IGBT CPV363M4K module is used to implement the inverter.
为了进行电源系统分析和设计，本文建立了电压模式和峰值电流模式控制的逆变弧焊电源数学模型，并用计算机进行分析。
In order analyze and design the power supply system, the system models which control by two above-mentioned control modes are established and analyzed by computer.
该方法主要研究南方电网2008年多馈入直流系统各个逆变站由于滤波器投切产生的谐波电流的交互影响。
The interaction of harmonic currents caused by switching ac filters of inverter stations in the multi-infeed DC system of China Southern Power Grid in the year of 2008 is mainly researched.
多电流偶极子定位的逆meg研究是一个棘手的问题。
The locating of multiple current dipole is a difficult problem for the inverse study of MEG.
逆功率继电器逆功率继电器是指带瓦特计的继电器，用来感知电流的方向。
Reverse power relay a reverse power relay is a relay with a wattmeter movement that senses the direction of power flow.
本文首先以地铁动车设计为例，指出采用逆导晶闸管电流源逆变器是普通逆变器实现小型化的一个较好的方案。
Taking the design subway coach as an example, the article points out that it's an ideal schema to use current source inverter with re - verse conducting for common inverter to be minified.
首先通过对并网逆变控制策略的对比与分析，采用三角波比较方式的电流跟踪方式作为课题的控制方式。
First, compare and analysis the grid inverter control strategy, using triangular wave comparison method of the current track approach as the subject control mode.
推导了逆变点焊过程控制模型，并构建了逆变点焊模糊神经网络恒电流控制系统结构。
A controlling model of inverter spot-welding process and a fuzzy neural network configuration about inverter spot-welding with constant current control were built in this paper.
分析了电视机场扫描正程和逆程中电流、电压的波形形成和特点；
The formation and characteristics of the wave of electricity and voltage in proper route and adverse route in TV scanning was analyzed; The measure methods of OTL circuit were introduced;
论述了一种电流波形控制的逆变co2焊接电源，包括电流波形控制方案、系统构成等。
CO2 welding inverter with waveform control was expounded, in which the current waveform control scheme and the structure of the system were introduced.
通过实验，比较了在焊接电流、通电时间以及电极压力等参数变动时，单相工频点焊机与逆变直流点焊机的焊接工艺性能差异。
With the multi parameters fluctuated, the different of the technology performance between AC spot welding machine and inverter spot welding machine is analyzed.
弧焊电源一次逆变控制电流快速动态过程，二次逆变控制电弧极性。
Dynamic process of current is controlled quickly by the first inverter, and arc polarity is controlled by the second inverter of arc welding power source.
在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。
In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.
根据永磁同步电动机数学模型的特点，结合电流反馈型脉宽调制逆变驱动电器的结构，推导了无刷直流电动机系统的数学模型。
Mathematical model of BLDCM system is derived from the characteristic of mathematical model of PMSM and structure of inverting circuit of CRPWM.
晶闸管逆变弧焊电源具有单管导通电流大、耐压高、正向压降低、过载能力强等特点，但在使用过程中会出现各种故障。
Thyristor inverter welding power source with single-conduction high current, high breakdown voltage, low positive voltage drop and the high over load etc.
文中对系统的整流逆变电路、DSP芯片的主要功能以及电流检测电路电路都作了详细叙述，给出了系统软件各部分的软件流程图。
This paper introduces the main circuit of the inverter, the main function of the DSP, and the detect circuit of the current in detail. The paper gives the software chart of the system.
文中对系统的整流逆变电路、DSP芯片的主要功能以及电流检测电路电路都作了详细叙述，给出了系统软件各部分的软件流程图。
This paper introduces the main circuit of the inverter, the main function of the DSP, and the detect circuit of the current in detail. The paper gives the software chart of the system.
应用推荐