功率元件

本文介绍一种以IGBT为功率元件的通用型全数字控制的脉宽调制（SPWM）变频装置。

A fully digital-controlled SPWM inverter with IGBT as the main power dvice is introduced .

提出了IEGT功率元件组成的PWM控制系统。

IEGT power components of the PWM control system are proposed .

功率元件与散热器作电气隔绝；（如：CPU导热垫，LED专用导热垫）

The power part and the radiator make the electricity air bound ;( for example : CPU heat conduction pad , LED special-purpose heat conduction pad )

好世贸易有限公司是一家专业以推广：射频功率元件、通讯IC等相关产品的，技术型独立分销公司。

FINER CO. , LTD is a technique-oriented independent distributing company , which has been specialized in radio frequency power components , communication ICs and other electronic parts for years .

基于DSP与FPGA，研制了多路PWM脉冲发生器，既简化了电路的设计，提高了系统的可靠性，又可保证整个系统功率元件驱动信号的同步。

Cascade H-bridge five-level converter pulse generator is implemented by DSP and FPGA , which has the feature of simplifying circuit-design , guaranteeing reliability of system and concurrent triggering of power devices .

根据臭氧发生器的负载特性，讨论了采用IGBT功率元件的高频高压逆变电源的设计特点。

According to the load characteristic of the ozone generator , the key design points of high frequency and high voltage inverters with IGBT have been proposed .

伴热系统控制电源采用PLC为控制核心，IGBT为功率元件，并采取了一系列相应的措施来提高电伴热系统的可靠性以稳定性，实现了其控制系统的灵活性。

Tt uses PLC as the control kernel , and IGBT as the power component . A serial of techniques are applied to improve the stability and robust of the system , and control flexibility of the system is realized .

根据目前文献检索，以MOSFET作为功率元件直接输出达到80KHz、180A级别的高频逆变电源，国内还未见报道。

According to the present data , the 80KHz / 180A high frequency inverter which use MOSFET as the power part direct output has not been seen in domestic .

本文介绍了使用低势垒肖特基二极管（LBSD）作为检测微波信号功率元件的微波毫微瓦功率传感器。

Microwave nW power sensor uses low barrier schottky diode ( LBSD ) as a component for testing the power of microwave signals .

发电机匝间保护中负序功率元件灵敏角整定和电流取向

Sensitive angle setting and current direction defining of negative sequence power element of generator turn-to-turn protection

电机作为电动舵机的功率元件，其性能好坏直接影响到电动舵机的性能优劣和可靠性程度。

Motor as electric power components , its performance affect the performance and reliability of electromechanical actuator greatly .

重点分析了影响电网可靠性的因素及其评估方法，构建功率元件以及操作元件的可靠性模型。

It focuses the factors and method influences the reliabilities of distribution system . The paper builds the power and operation component model .

由于此高电流推动能力及热稳定性，因此广泛地应用在微波功率元件及高速元件上。

Due to its excellent current driving capability and thermal stability , it has been widely investigated for microwave power devices and high-speed devices .

功率元件以包含正常、故障及计划停运的马尔科夫三状态模型予以模拟，操作元件以包含正常、计划停运、非计划停运及误动拒动予以模拟。

The power components are simulated by a three-state Markov model which contains normal , failures and planned outages state , while the operation components are simulated with normal , planned outages , unplanned outages and malfunction state .

浅析零序功率方向元件U0和I0极性关系

Basic Analysis on U_0 and I_0 Polarity Relation of Zero Sequence Direction Power Components

功率MOSFET元件的斩波电路分析与设计

Analysis and Design of Chopping Circuit with MOSFET

控制系统采用先进的PWM技术，变频器采用新型的自关断GTO功率开关元件。

The control system adopted the advanced technigue of PWM , whereas the inverter makes use of the new type of GTO power switching elements .

采用IGBT作为主功率开关元件，由功率开关元件引起的损耗主要有导通损耗、断态损耗、开通损耗和关断损耗。

In the part of power devices with IGBT , the loss can be divided into four parts : conduction loss , off-state loss , turn-on loss and turn-off loss .

该仪器输入标准铂电阻温度传感器RTD（ResistanceTemperatureDetector）信号，采用比例积分微分PID（ProprotionalIntegralDiffe鄄rential）控制算法，输出0~10mA电流控制功率加热元件。

The device acquires standard Pt RTD ( Resistance Temperature Detector ) signal , applies PID ( Proportional Integral Differential ) algorithm and outputs 0 ~ 10 mA current to control power-heating component .

本文对使用功率MOSFET元件的直流斩波电路进行了计算机辅助分析，在分析的基础上给出了工程设计方法。

DC chopping circuit with power MOSFET have been analyzed in the paper with the help of computer . On the basis of the analysis , a design method is given .

这里介绍的计算机控制电机调速系统采用了专家控制型控制策略，使用了驱动简单、热稳定性好的绝缘门双极型晶体管（IGBT）作功率放大元件，满足了转镜高速相机的需求。

The computer control introduced utilized the expert control stratagem , and adopted the isolated gate bipolar transistor ( IGBT ) as its power amplifier . This system satisfied the requirement of the rotating mirror .

介绍一种应用高压大功率开关元件（IGBT）、脉宽调制（PWM）技术单片机控制技术的交流电动机变频调速系统的设计方案。

Introduce a kind of design plan of PWM intelligent speed - adjusting system of alternating current motor , which uses high voltage . , high - power switch component ( IG-BT ), PWM technique and controlling technique of single chip microcomputer .

采用中断方式与计算机进行交互，通过功率探测元件进行反馈控制，采用射极耦合逻辑（ECL）高速集成电路技术进行激光驱动。

The interrupt mode is used for communication with the computer , a power detector is used for feedback control , and emitter coupled logic ( ECL ) technology with a high-speed integrated circuit is used for the laser drive .

系统以日本SANKEN变频器作为功率放大元件.控制计算机参与决策，构成一种结构简单的高级控制系统。

Using inverter as power amplification element , personal computer taking part in control decision , thus a senior control system with simple structure is formed .

功率方向元件动作判据的改进功率方向继电器的动作行为分析方法

Analysis on the Advancement of Operating Criteria for Power Directional Relay

发电机匝间保护与负序功率方向元件

Turn-to-turn Faults in Stator Windings of Generator and Negative Power Directional Unit

高频功率磁元件测试新方法

A New Testing Method of High Frequency Power Magnetic Component

相间功率方向元件动作行为分析

Analysis on the operating characteristic of phase to phase directional power element

零序功率方向元件接线及带负荷测试

Wiring of Zero Sequence Power Direction Element and Its Measurement with Load

交点相角法功率方向元件的研究

A study of the phase angle power directional unit