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- Voltage unbalance of three phase ac distribution systems adversely affects power customers. 配电系统三相电压的不对称会对用户造成一系列不利影响。
- Generators are different in size but similar in structure; it can be divided into two groups: three phase AC generator and diode rectifier. 发电机虽然在尺寸大小上不尽相同,结构上却大体相似,可分为三相交流发电机和二极管整流器两大部分组成。
- A Novel PWM ZVS AC DC Converter with PFC 新颖的含PFC的PWM ZVS AC-DC变换器
- The container adopts three-chamber heating control with heating output power of all-digital power with thyristor in three phase AC controlled by on-off output of PLC. 挤压筒加热分三区控制,采用PLC开关量输出作为全数字三相晶闸管交流调功器的给定,通过调功器输出控制加热功率。
- The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when three phase unbalanced fault occurs in AC system. 当交流系统发生三相不对称故障时,忽略直流系统负序分量的准稳态模型将给交直流混合系统的仿真带来较大的误差。
- Start Ways of Three Phase AC Asynchronous Motor 交流三相异步电动机起动方式
- In this design, we will present a kind of transducer based on the DSP, which uses SPWM control to realize the three phases AC voltage output. 在本文中提出一种基于数字信号处理器(DSP)的变频器,利用SPWM控制技术,实现变频器的三相交流电压输出。
- Three phase AC asynchronous motor 三相交流异步电动机
- static ac dc converter 静止变流
- The Power Adjustment System with Thyristor in Three Phase AC Load 三相交流负载的晶闸管调功系统
- VVVF System of Three Phase AC Motor based on DSP Control 基于DSP控制的三相交流电机变频调速系统
- DC motor speed to achieve the first to convert AC DC, which requires rectification circuit. 要实现直流电机调速首先要把交流电转换为直流,这就需要整流电路。
- Study on that Electric Eenery Metering is Influenced by Phase of Three Phase AC 谈三相交流电的相序对电能计量的影响
- Of these, the AC Rectifier will enter into direct current, DC converter will turn into the required frequency of the AC. 其中,整流器将输入的交流电转换为直流电,逆变器将直流电再转换成所需频率的交流电。
- Organization and Summarization of Structures for Three Phase AC Machine Pole-changing Wmdings 三相交流电机变极绕组结构的梳理和综述
- PWM microelectronic c ontrol technique and AC DC AC DC invert technique with MOSFET half bri... 具有短接限流、限时衰减和恒流、恒压相结合的特点。
- A high frequency link Push Pull Forward(PPF) type inverter is proposed in this paper,which have the advantages of the Push-Pull DC converter and the high pulse DC link inverter. 本文结合推挽正激直流变换器和高频脉冲直流环节逆变器的优点,提出了一种适用于低压大电流输入场合的推挽正激式高频环节逆变器。
- three phase AC motor 三相电机
- The extinction angle of the DC converter,which is usually used to study the commutation failure of the DC inverter,is an important parameter in the DC transmittal system. 直流换流器熄弧角是直流输电系统的重要电气量,常被用于判断直流输电系统逆变器的换相失败。
- three phase AC circuit 三相电路