发布时间：2024-08-09 16:20:19 人气：
电力电子与电力传动哪个方向有前途
1. 自己05年读博，电力电子方向。
2. 我读本科那会那个时候几乎没有人知道电力电子，这是个很冷门专业，自己高考计算机专业 没有录取，调剂到的这个专业。
可现在，计算机专业貌似冷了，电力电子不知不觉的火了起来。
3. 06年那时，大家都觉电力电子的风力发电方向最有前途，于是很多人转去学风电，等到08,09年毕业的时候，风电专业已经不再火了。
4. 现在有前途的方向，未来未必会有前途，很少有人敢去预测未来，我更不敢。
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5. 现在比较火的有几个方向：
- 高压驱动 / HVDC 及其相应的变流器开发：如 MMC 多电平模块化级联技术
- HEV 电动汽车驱动及相应的变流器开发：
- 微网控制技术及相应的变流器开发
- 虽然 新能源发电技术及相应的变流器开发 目前很冷，但是自己相信这个方向会继续发展
6. 如果你不是选自己的博士课题，其实大可不必纠结于这个问题，引郭德纲说过的一句话：“但行好事，莫问前程。” 老老实实地把自己该做的事情做好，就可以了。
7. 如果是找工作的话，谁钱多去谁那，电力电子本身没有区别，世界大同，
能做电机驱动的人 就能做光伏逆变器，也能做风力发电，还能做电池充电机，也能做变频器... 只要你真正知道什么是电力电子
与逆变器相关的英文文章
Inverter may refer to
Inverter (electrical), a device that converts direct current to alternating current
Inverter (air conditioning), an air conditioner that can continuously regulate its output by altering the compressor speed in response to cooling demand
Uninterruptible power supply, which often are based on an electrical inverter
Inverter (logic gate), a logic gate also called a NOT gate
Inverter (electrical)
An inverter is an electrical device that converts direct current (DC) to alternating current (AC); the converted AC can be at any required voltage and frequency with the use of appropriate transformers, switching, and control circuits.
Static inverters have no moving parts and are used in a wide range of applications, from small switching power supplies in computers, to large electric utility high-voltage direct current applications that transport bulk power. Inverters are commonly used to supply AC power from DC sources such as solar panels or batteries.
The electrical inverter is a high-power electronic oscillator. It is so named because early mechanical AC to DC converters were made to work in reverse, and thus were "inverted", to convert DC to AC.
The inverter performs the opposite function of a rectifier.
Applications
DC power source utilization
An inverter converts the DC electricity from sources such as batteries, solar panels, or fuel cells to AC electricity. The electricity can be at any required voltage; in particular it can operate AC equipment designed for mains operation, or rectified to produce DC at any desired voltage.
Grid tie inverters can feed energy back into the distribution network because they produce alternating current with the same wave shape and frequency as supplied by the distribution system. They can also switch off automatically in the event of a blackout.
Micro-inverters convert direct current from individual solar panels into alternating current for the electric grid.
Uninterruptible power supplies
An uninterruptible power supply (UPS) uses batteries and an inverter to supply AC power when main power is not available. When main power is restored, a rectifier is used to supply DC power to recharge the batteries.
Induction heating
Inverters convert low frequency main AC power to a higher frequency for use in induction heating. To do this, AC power is first rectified to provide DC power. The inverter then changes the DC power to high frequency AC power.
[edit] HVDC power transmission
With HVDC power transmission, AC power is rectified and high voltage DC power is transmitted to another location. At the receiving location, an inverter in a static inverter plant converts the power back to AC.
[edit] Variable-frequency drives
Main article: variable-frequency drive
A variable-frequency drive controls the operating speed of an AC motor by controlling the frequency and voltage of the power supplied to the motor. An inverter provides the controlled power. In most cases, the variable-frequency drive includes a rectifier so that DC power for the inverter can be provided from main AC power. Since an inverter is the key component, variable-frequency drives are sometimes called inverter drives or just inverters.
[edit] Electric vehicle drives
Adjustable speed motor control inverters are currently used to power the traction motors in some electric and diesel-electric rail vehicles as well as some battery electric vehicles and hybrid electric highway vehicles such as the Toyota Prius. Various improvements in inverter technology are being developed specifically for electric vehicle applications.[2] In vehicles with regenerative braking, the inverter also takes power from the motor (now acting as a generator) and stores it in the batteries.
[edit] Air conditioning
Main article: Inverter (air conditioning)
An air conditioner bearing the inverter tag uses a variable-frequency drive to control the speed of the motor and thus the compressor.
[edit] The general case
A transformer allows AC power to be converted to any desired voltage, but at the same frequency. Inverters, plus rectifiers for DC, can be designed to convert from any voltage, AC or DC, to any other voltage, also AC or DC, at any desired frequency. The output power can never exceed the input power, but efficiencies can be high, with a small proportion of the power dissipated as waste heat.
Warnings
Some low power inverters have a warning not to use conventional fluorescent lighting. This is due to the power correction capacitor connected in parallel with the lamp. Removing the capacitor will fix the problem. What may not be known is that in dual lamp fittings the capacitor may be connected in series with the second lamp, thus removing the problem as well as the stroboscopic effect caused by the mains frequency.
Basic designs
In one simple inverter circuit, DC power is connected to a transformer through the centre tap of the primary winding. A switch is rapidly switched back and forth to allow current to flow back to the DC source following two alternate paths through one end of the primary winding and then the other. The alternation of the direction of current in the primary winding of the transformer produces alternating current (AC) in the secondary circuit.
The electromechanical version of the switching device includes two stationary contacts and a spring supported moving contact. The spring holds the movable contact against one of the stationary contacts and an electromagnet pulls the movable contact to the opposite stationary contact. The current in the electromagnet is interrupted by the action of the switch so that the switch continually switches rapidly back and forth. This type of electromechanical inverter switch, called a vibrator or buzzer, was once used in vacuum tube automobile radios. A similar mechanism has been used in door bells, buzzers and tattoo guns.
As they became available with adequate power ratings, transistors and various other types of semiconductor switches have been incorporated into inverter circuit designs.
[edit] Output waveforms
The switch in the simple inverter described above, when not coupled to an output transformer, produces a square voltage waveform due to its simple off and on nature as opposed to the sinusoidal waveform that is the usual waveform of an AC power supply. Using Fourier analysis, periodic waveforms are represented as the sum of an infinite series of sine waves. The sine wave that has the same frequency as the original waveform is called the fundamental component. The other sine waves, called harmonics, that are included in the series have frequencies that are integral multiples of the fundamental frequency.
The quality of the inverter output waveform can be expressed by using the Fourier analysis data to calculate the total harmonic distortion (THD). The total harmonic distortion is the square root of the sum of the squares of the harmonic voltages divided by the fundamental voltage:
The quality of output waveform that is needed from an inverter depends on the characteristics of the connected load. Some loads need a nearly perfect sine wave voltage supply in order to work properly. Other loads may work quite well with a square wave voltage.
[edit] Advanced designs
H-bridge inverter circuit with transistor switches and antiparallel diodesThere are many different power circuit topologies and control strategies used in inverter designs. Different design approaches address various issues that may be more or less important depending on the way that the inverter is intended to be used.
The issue of waveform quality can be addressed in many ways. Capacitors and inductors can be used to filter the waveform. If the design includes a transformer, filtering can be applied to the primary or the secondary side of the transformer or to both sides. Low-pass filters are applied to allow the fundamental component of the waveform to pass to the output while limiting the passage of the harmonic components. If the inverter is designed to provide power at a fixed frequency, a resonant filter can be used. For an adjustable frequency inverter, the filter must be tuned to a frequency that is above the maximum fundamental frequency.
Since most loads contain inductance, feedback rectifiers or antiparallel diodes are often connected across each semiconductor switch to provide a path for the peak inductive load current when the switch is turned off. The antiparallel diodes are somewhat similar to the freewheeling diodes used in AC/DC converter circuits.
Fourier analysis reveals that a waveform, like a square wave, that is antisymmetrical about the 180 degree point contains only odd harmonics, the 3rd, 5th, 7th etc. Waveforms that have steps of certain widths and heights eliminate or “cancel” additional harmonics. For example, by inserting a zero-voltage step between the positive and negative sections of the square-wave, all of the harmonics that are divisible by three can be eliminated. That leaves only the 5th, 7th, 11th, 13th etc. The required width of the steps is one third of the period for each of the positive and negative steps and one sixth of the period for each of the zero-voltage steps.
Changing the square wave as described above is an example of pulse-width modulation (PWM). Modulating, or regulating the width of a square-wave pulse is often used as a method of regulating or adjusting an inverter's output voltage. When voltage control is not required, a fixed pulse width can be selected to reduce or eliminate selected harmonics. Harmonic elimination techniques are generally applied to the lowest harmonics because filtering is more effective at high frequencies than at low frequencies. Multiple pulse-width or carrier based PWM control schemes produce waveforms that are composed of many narrow pulses. The frequency represented by the number of narrow pulses per second is called the switching frequency or carrier frequency. These control schemes are often used in variable-frequency motor control inverters because they allow a wide range of output voltage and frequency adjustment while also improving the quality of the waveform.
Multilevel inverters provide another approach to harmonic cancellation. Multilevel inverters provide an output waveform that exhibits multiple steps at several voltage levels. For example, it is possible to produce a more sinusoidal wave by having split-rail direct current inputs at two voltages, or positive and negative inputs with a central ground. By connecting the inverter output terminals in sequence between the positive rail and ground, the positive rail and the negative rail, the ground rail and the negative rail, then both to the ground rail, a stepped waveform is generated at the inverter output. This is an example of a three level inverter: the two voltages and ground.[3]
[edit] Three phase inverters
3-phase inverter with wye connected loadThree-phase inverters are used for variable-frequency drive applications and for high power applications such as HVDC power transmission. A basic three-phase inverter consists of three single-phase inverter switches each connected to one of the three load terminals. For the most basic control scheme, the operation of the three switches is coordinated so that one switch operates at each 60 degree point of the fundamental output waveform. This creates a line-to-line output waveform that has six steps. The six-step waveform has a zero-voltage step between the positive and negative sections of the square-wave such that the harmonics that are multiples of three are eliminated as described above. When carrier-based PWM techniques are applied to six-step waveforms, the basic overall shape, or envelope, of the waveform is retained so that the 3rd harmonic and its multiples are cancelled.
3-phase inverter switching circuit showing 6-step switching sequence and waveform of voltage between terminals A and CTo construct inverters with higher power ratings, two six-step three-phase inverters can be connected in parallel for a higher current rating or in series for a higher voltage rating. In either case, the output waveforms are phase shifted to obtain a 12-step waveform. If additional inverters are combined, an 18-step inverter is obtained with three inverters etc. Although inverters are usually combined for the purpose of achieving increased voltage or current ratings, the quality of the waveform is improved as well.
什么叫直流电什么叫交流电？
直流电：电流流向始终不变。电流是由正极，经导线、负载，回到负极，通路中，电流的方向始终不变，所以我们将输出这固定电流方向的电源，称为"直流电源"。简记为dc，如：干电池、铅蓄电池。交流电：电流的方向、大小会随时间改变。发电厂的发电机是利用动力使发电机中的线圈运转，每转180°发电机输出电流的方向就会变换一次，因此电流的大小也会随时间做规律性的变化，此种电源就称为"交流电源"。简记为ac，如：家用220V电源。
扩展资料
区别
1、直流输电时，其两侧交流系统不需同步运行，而交流输电必须同步运行．交流远距离输电时，电流的相位在交流输电系统的两端会产生显著的相位差。
2、直流输电发生故障的损失比交流输电小．两个交流系统若用交流线路互连，则当一侧系统发生短路时，另一侧要向故障一侧输送短路电流。
3、在电缆输电线路中，直流输电没有电容电流产生，而交流输电线路存在电容电流，引起损耗。
直流电的作用：直流电主要应用于各种电子仪器，电解，电镀，直流电力拖动等方面。直流电的方向则不随时间而变化。通常又分为脉动直流电和稳恒电流。脉动直流电中有交流成分，如彩电中的电源电路中大约300伏左右的电压就是脉动直流电成分可通过电容去除。稳恒电流则是比较理想的，大小和方向都有不变。
参考资料：
交流电如何变成直流电
使用整流电路可以把交流电变成直流电。“整流电路”（rectifying circuit）是把交流电能转换为直流电能的电路。大多数整流电路由变压器、整流主电路和滤波器等组成。
它在直流电动机的调速、发电机的励磁调节、电解、电镀等领域得到广泛应用。整流电路通常由主电路、滤波器和变压器组成。
电源电路中的整流电路主要有半波整流电路、全波整流电路和桥式整流三种，倍压整流电路用于其它交流信号的整流，例如用于发光二极管电平指示器电路中，对音频信号进行整流。
在要求直流电压相同的情况下，对全波整流电路而言，电源变压器次级线圈抽头到上、下端交流电压相等；且等于桥式整流电路中电源变压器次级线圈的输出电压，这样在全波整流电路中的电源变压器相当于绕了两组次级线圈。
扩展资料
采用相位控制方式以实现负载端直流电能控制的可控整流电路。可控是因为整流元件使用具有控制功能的晶闸管。
在这种电路中，只要适当控制晶闸管触发导通瞬间的相位角，就能够控制直流负载电压的平均值。故称为相控。
相控整流电路分为单相、三相、多相整流电路3种。
相控整流电路要求输出电压的可调控范围要大，脉动要小，对交流电源、器件导电性能都有影响，而且变压器也需要注意。
相控整流电路是通过交流侧输入的相数的控制来进行整流控制的电路，整流兀件使用具有控制作用的晶闸管所以带有可控性。
百度百科：整流电流
电力电子技术的应用领域有哪些？
应用1、一般工业：交直流电机、电化学工业、冶金工业。
2、交通运输：电气化铁道、电动汽车、航空、航天、航海。
3、电力系统：高压直流输电、柔性交流输电、无功补偿。
4、电子装置电源：为信息电子装置提供动力。
5、家用电器：“节能灯”、变频空调。
6、其他：UPS、 航天飞行器、新能源、发电装置。
扩展资料：
1、 优化电能使用
通过电力电子技术对电能的处理，使电能的使用达到合理、高效和节约，实现了电能使用最佳化。例如，在节电方面，针对风机水泵、电力牵引、轧机冶炼、轻工造纸、工业窑炉、感应加热、电焊、化工、电解等14个方面的调查，潜在节电总量相当于1990年全国发电量的16%，所以推广应用电力电子技术是节能的一项战略措施，一般节能效果可达10%-40%，我国已将许多装置列入节能的推广应用项目。
2、改造传统产业和发展机电一体化等新兴产业。
据发达国家预测，今后将有95%的电能要经电力电子技术处理后再使用，即工业和民用的各种机电设备中，有95%与电力电子产业有关，特别是，电力电子技术是弱电控制强电的媒体，是机电设备与计算机之间的重要接口，它为传统产业和新兴产业采用微电子技术创造了条件，成为发挥计算机作用的保证和基础。
3、电力电子技术高频化和变频技术的发展，将使机电设备突破工频传统，向高频化方向发展。实现最佳工作效率，将使机电设备的体积减小几倍、几十倍，响应速度达到高速化，并能适应任何基准信号，实现无噪音且具有全新的功能和用途。
4、电力电子智能化的进展，在一定程度上将信息处理与功率处理合一，使微电子技术与电力电子技术一体化，其发展有可能引起电子技术的重大改革。
参考资料：
百度百科-电力电子技术11FB_05NL的接法
电气元件英文缩写
缩写 全称 中 文
AC alternating current 交流电
AC automatic control 自动控制
ACA accident consequence assessment 事故后果评价
ACB air circuit breaker 空气断路器
ACC accident 故障、事故
ACCUM accumulate accumulate 累计、 蓄电池
ACDS acourtic crack detection system 声裂纹检测系统
ACT/S active side 带电部件、 有功部件
ACW anti-clockwise 反时针方向
ACW anti-clockwise 反时针方向
AD analog-digital 模拟-数字
AEOD analysis and evaluation of operational data 运行数据分析和管理
AFC automatic frequency control automatic following control 自动频率控制：自动跟踪控制
AI artificial intelligence 人工智能
ALT alternate 交变的、交替的
ALTNTR alternator 同步发电机
AM ammeter 电流表
AMP ampere 安培
AN air natural cooled 空气自然冷却
AOC automatic overload control 自动过载控制
APC automatic plant coordinate control automatic power control 机组自动协调控制：自动功率控制
APP appendix auxiliary power plant 附录：辅助电源设备
APS acessory power supply 辅助电源
APU auxiliary power unit 辅助动力装置：辅助电源设备
ARM armature 电枢、衔铁
ASR automatic speed run up 自动升速
ASU automatic synchronizing unit 自动同步系统
AT auxiliary transformer 辅助变压器
AUS auxiliary switch 辅助开关
AUX auxiliany 辅助、备用
AVL automatic voltage control 自动电压控制
AVR automatic voltage regulator 自动调压器
BAT battery 电池
BD block decrease 闭锁减
BDUC bus duct 母线导管 、母线沟
BDV blowdown voltage 击穿电压
BF back feed 反馈
BHP brake horse power 制动马力
BI block increase 闭锁增
BKR breaker 断路器
BOS back-out system 补偿系统
BOT build-operate-tranfer 建造-运行-移交
BR brush 电刷、刷子
BRKG breaking 断开
BYC battery charger 电池充电器
CA compressed air 压缩空气
CAOS completely automatic operate system 全自动操作系统
CAP capactty 电容、 出力、容量
CAP capacity 容量、功率
CATS computer-aided trouble-shooting 计算机辅助故障查寻
CB control buton circuit breaker circuit board 控制钮：线路断路器：电路板
CBL line circuit breaker 线路断路器
CC charactevistic curve 特性曲线
CCW counter-clockwise 反时针
CD control desk 控制台
CEMF cownta electromotive force 反电动势
CG center of gravity 重心
CHGR charger 充电器
CKT circuit 电路、线路
CKW clockwise 顺时针方向
CL center line 中心线
CLSG closing 关闭、合闸
CMR continuous maxinum rating 连续最大功率
CNDN condition 工况、参数
CO con-out 关闭、切断
COEF coefficient 系数
CONST constans construction 常数：构造、结构
CONT contact control 接点：调节、控制
CP control panel 控制板
CPD capacitor potential device 电容器分压器
CRT cathode-ray tube 阴极射线管
CRT circuit 回路
CS controlled switch controll signal 控制开关：控制信号
CT current transformer 电流互感器
CW clockwise 顺时针方向
CY cycle 循环、周期
DB distribution box 配电箱
DBMS data base management system 数据库管理系统
DC direct current 直流电
DCAS data collection and analysis system 数据收集分析系统
DE digital equipment display equipment 数字元件：显示设备
DELIV deliver 供给、供电/输出
DG diesel generator 柴油发电机
DG diesel generator 柴油发电机
DHP delivered horse power 输出功率
DI data input 数据输入
DISC disconnect 断开
DISC SW disconnect swtich 隔离开关
DISTR diatribution 分散、分配 、配电
DL data line 数据传输线
DMM digital multimeter 数字万用表
DMS data management system 数据管理系统
DO diesel oil 柴油
DO digital output 数字输入
DOS dosing 量
DPDT double-pole double-throw 双刀双掷开关
DPST double-pole sigle-throw 双刀单掷开关
DSCH discharge 放电
DSL diesel 柴油机
DSL line desconnect switch 隔离开关
DT dawn time 故障停机时间
DTS data transimission 数据传输系统
DYNA dynamic analysis 动态分析
E.U engineering units 工程单位
E/P electrical to pneumatic converter 电动气动转换器
EAF equivalent available factor 等效可运系数
ECR economical continuous rating 经济连续出力
EE electrical engineer 电气工程师
EFF efficiency 效率
EFFT effective 有效的
EHV extra-high voltage 超高压
ELEC electric 电气的
EMER emergency 紧急、事故
EMER emergency 事故保安
EMF inductive electromotive force 感应电动势
EMLON emergency condition 事故状态
EMP eletromechanical power 机电功率
EMS emergency switch 紧急开关、事故按钮
ENCL enclose 封闭、包围
ENER energize 励磁、 使带电
ENERD energized 已励磁的、已带电的
ENG engage 发动机
EP extreme power 极限功率
ESD emergency shutdown 事故停机
ESS essential service system 主要厂用系统
ETS electrical trip solenoid 电气跳闸线圈
EXC exciter 励磁机、 励磁
EXD external device 外部设备
EY voltage transducer 电压变送器
FB fuse block 保险盒
FC fast closing 快关
F-F flip-flop 触发器
FL full load 满负荷
FLF flip-flop 触发器
FME frequency measuring equipment 频率计
FP full power 满功率
FREQ frequency 频率
FU fuse 保险丝、 熔断器
FWR full-wave rectifier 全波整流器
GEN generator 发电机
GIS gas-insulated metal-enclosed switch gear 全封闭组合电器
GPT generator potential transformer 发电机电压互感器
GRD ground 接地
GRD FLT ground fault 接地故障
GT grounding transformer 接地变压器
HC holding coil 保持线圈
HF high frequency 高频
HG harmonic generator 谐波发生器
HIPOT high potential test 高电压实验
HLDG holding 保持
HP horse power 马力
HS hand switch 手动开关
HT high tension 高压
HTN high tension 高电压
HV high voltage 高电压
HV high voltage high velocity 高压：高速
HVDC high voltage direct current transmission system 高压直流输电系统
HVPC high voltage power supply 高电压源
I/O input/output 输入/输出
IC integrated circuit input circuit 集成电路：输入电路
ICL incoming line 引入线
IMP impedance 阻抗
IMPLS impulse 脉冲、冲动
INDN induction 感应
INIT initial 启动、励磁
INITD initiated 已励磁的、已启动的
INSUL insulate 绝缘、隔热
INTMT intermediate 间断的、间歇的
INVR inverter 逆变器、反相器
ISLN isolation 隔离开关
ISOL isolation 隔离的、绝缘的
JY watt transduce 有功变送器
K kilo 千
KW kilowatt 千瓦
KWH kilowatt-hour 度
L electrical power line 电线
LA lightening arrester 避雷器
LC load centre 负荷中心
LC load center 负荷中心
LDS line disconnecting switch 线路隔离开关、线路断路器
LN line 线路
LOC local 就地
LPC linear power controller 线性功率放大器
LR line relay 线性继电器
LSIC large scale integrated circuit 大规模集成电路
LV low voltage 低电压
MAG magnet 磁铁/磁场的
MAN manual 手动的
MC manual control magnet contactor 人工控制：磁铁开关
MCB molded case circuit breaker 模板式断路器
MCC motor control centre 马达控制中心
MCC motor control center 马达控制中心
MCR main control room maxium capacity rating maxium continuous rating 主控室：最大额定出力：最大连续出力
MDS motor disconnect switch 马达隔离开关
MG motor generator 电动发电机
ML mechanical loss 机械损失
MNXFMR main transformor 主变压器
MO motor 马达
MOD motor operated disconnect 电动断开
MPR motor protrelay 电机保护继电器
MSTR motor starter 马达启动器
MWE megawatt electric 兆瓦电
MWH megawatt-hour 兆瓦小时
NADVD not advanced 滞后
NEG negative 阴极的、负的
NET network 网络
NEUT neutral 中性的
NGT neutral groundong transformer 中性点接地变压器
NL noload 空载、无负荷
NOM nominal 额定的
NRP normal rated power 额定功率
O&R overhaul and repair 大小修
OA operator auto mode 运行人员监控下的自动控制运行方式
OL motor overload device 电机过负荷装置
OP output power operating procedure 输出功率：运行规程
OPER operating 操作
OR operating record 停运记录
OVHL overhaul 大修
P.O. power output 功率输出
P.U. per unit 标幺值
PA power amplifier 功率放大器
PAMS post-accident montoring instrumentation 事故后监测仪表
PB push button 按钮开关
PC power center 动力中心
PCB power circuit breaker 功率继电器
PCC power conditioning and control 电力调节与控制
PCM pulse-code modulation 脉冲编码调制
PD potenial difference power driven 电位差：电动的
PE power equipment 发电综合控制
PF power factor indicator 功率因数
PFI power factor indicator 功率因数表
PGCC power generation control complex 相位
PH phase 功率输入
PI power input 峰值负荷
PK peak 峰值
PL plate 板、极板
PL peak load 峰值负荷
PLD payload 有效负载
PM phase midulation 调相
PO power operator 电动操作
POH planned outage hours 计划停运小时
POOH planned overhaul outage hours 计划大修停运小时
POS positive 正的、正极的
POS position 位置
POT potential transformer 电势、电位计
PP peak power 峰值功率
PPS plant protective system primary protection system 电厂保护系统：一次保护系统
PS power station power supply power system 电站：电源：电力系统
PSS power support stabilizer 电力系统稳定器
PT potential transformer 电压互感器
PT potential transformer 电压互感器
PT pressure transducer 压力变送器
PWR power 功率
Q transistor 晶体管
QA quick acting 快速动作
QMQB quick-make quick-break 快通快断
R rate rotor ratio 速率：转子：比率系数
RA remote auto 远程自动
RAM repair and maintenance 检修与维护
RB run back 甩负荷
RD run down 降负荷
RF reserve free 备用
ROT rate of turn reserve oil tank 转动速度：备用油箱
RP rated power 额定功率
RPM revolution per minute 转/分
RPS revolution per second 转/秒
RS resistor 电阻器
RSV reserve 备用
RTD resistance temperature device 电阻测量计
RU run up 升负荷
RU run up 升负荷
S/C short circuit 短路
SC short circuit 短路
SC semi-conductor 半导体
SCR silicon-controlled rectifier 可控硅整流器
SECT sectional 等级、分级
SEN sensor 传感元件、传感器
SERV service 工作、厂用
SG standby generator 备用发电机
SO shut-off 停机、遮断
SOE sequence of events 事故顺序记录
SOH scheduled outage hours 计划停机时间
SOV solenoid -operated valve 电磁阀
SP single pole spare 单极：备用
SPC system power control 系统电源控制
SPDT single-pole double-throw 单刀双掷
SR speed reguletor standard rating silicon rectifier 调速器：额定容量：硅整流器
SS station service 厂用
SS stopping switch 停机开关
SST station service transformer 厂用变压器
ST starter startup transformer 启动器：启动变压器
STA stationary 固定的
STAT stator 定子
STBY standby 备用
STBY stand by 备用
STR reserve station service transformer 厂用备用变压器
SUBSTA substation 变点站
SUPL supervisory 供电、电源
SUR surge 冲击、波动
SV solenoid valve 电磁阀、滑阀
SW switch 开关
SW switch 开关、手把
SW short wave switch 短波：开关
SWBD switchboard 配电
SWBD switchboard 开关板、配电盘
SWC surge withstand capability 冲击电压承受能力
SWGR switchyard 配电装置
SWYD switchyard 开关场
SY synchroscope 同步指示器
SYM symmetrical system 对称系统
SYNC synchronize 使---同步
SYNCG synchronizing 同步
SYNSCP synchroscope 同步指示器
SYS system 系统
SYST system 系统
T&D transimission and distribution 输电与配电
T&M testing and maintenance electrical trip and monitoring 实验与维修：电电气跳闸与监视系统
TACH tachometer 转速表
TASS technique assembly 装配工艺
TB therminal board 端子板、终端板
TBO time between overhaul 大修间隔
TC thermocouple 热电偶
TD time delay 延时
TD technique data time delay 技术数据：时滞、延时
TDC time delay closing 延时闭合
TDD time delay on deenerization 延时失励
TDE time delay energization 延时激励
TDO time delay opening 延时打开
TE thermoelectric test equipment 热电的：测试设备
TH thermal element 热电偶、热偶元件
TIS test instrumentation system thermal insulation system 测试仪表系统：绝缘系统
TL total loss total load time limit 总 损失：总负荷：时间限制
TM time monitor 时间监视器
TOT total 总共
TP test point time pulse 实验点、测试点：时间脉冲
TPDT triple-pole double-throw 三刀双掷开关
TR test run transducer 试运行：变送器
TRANS transport 运输
TRC transmission and reception controller 传输及接收控制器
TRIAC triode altermating current switch 三极管交流开关
TRU transmit-receive unit 发送接收装置
TSI turbine supervisory instrument 汽轮机监视仪表
TVM transistor voltmeter 晶体管电压表
U unit 机组
UAT unit auxiliary transformer 厂用变压器
UDF unit derating factor 机组降低出力系数
UDG unit derating generation 机组降低出力少发电量
UDH unit derating hours 机组降低出力小时
UERS unusual event recording system 异常事故记录系统
UNDH unit derating hours 机组降低出力小时
UNIV universal 通用
UNLD unloading 无载的、空载的
UO unit operator 机组操作员
UOF unplanned outage factor 非计划停运系数
UOH unplanned outage hour 非计划停运小时
UOR unplanned outage rate 非计划停运率
UPS uninterrupted power supply 不停电电源
URT unit run time 设备运行时间
UST unit station service transformer 厂用变压器
UV under voltage 电压不足、低电压
UV 电压监察
VAR variable 变量
VARHM garhour meter 无功电度表
VC variable capacitor voltage comparator 可变电容:电压比较器
VCB vacuum circuit breaker 真空断路器
VCT voltage current transformer 电压电流互感器
VENT ventilator 通风
VF vriable frequency 可变频率
VOLTREG voltage regularor 电压调节器
VR variable resistor voltage regulator 可变电阻：稳压器
VT vibration testing 振动实验
VT voltage time to breakdown 击穿电压时间
VTVM vacuum-tube voltmeter 真空管电压表
W/O without 没有
WDG winding 绕组、线圈
WH watt-hour 瓦特小时
WHM watthour meter 有功电度表
WTR water 水
WV working voltage 工作电压
WZJ 绝缘监察
XDCR transducer 变送器
XFER transfer 转换
XFMR transfoormer 变压器
XMSN transmission 输电
XMTR transmitter 变送器
XS transfer switch 转换开关
YD yard 工作场
湖北仙童科技有限公司 高端电力电源全面方案供应商 江生 13997866467
