解决方法:打开电源更换其开关管,滤波电容,或直接换电源。
Solution: turn on the power to replace the switch tube, filter capacitor, or directly for power.
而实际上,直流侧含滤波电容的整流电路也是污染严重的谐波源。
In fact, the rectified circuit with filter condenser in the direct current side is also the serious pollution source of the harmonics.
引起开机即烧保险的几个元件分别是滤波电容、消磁电阻、行管等。
Insurance boot that is caused by burning a few components are filtering capacitors, resistors degaussed, such as line pipe.
主要阐述了高压直流输换流站用直流滤波电容器的特点和设计参数的选择。
This paper introduced the characteristics and parameter selection of DC filter capacitor used in HVDC transmission system.
由于变压器和滤波电容(假定)足够大,因此当负载阻抗改变时供电电压几乎没有变化。
Depending upon the transformer and storage capacitor sizes in the power supply the output voltage will not vary significantly when the load impedance is changed.
本文介绍电容器负载合闸冲击电流和分闸滤波电容器组电压的计算,并通过实例加以说明。
The calculation of loaded closing striking current of capacity and opening filter capacity bank voltage is illustrated by a few examples.
分析表明,采用合适电容值的低等效寄生电阻的滤波电容,并提高开关频率,可减小输出电压跌落。
The analyses show that using a low equivalent series resistance (ESR) capacitor with a carefully determined value and raising switching frequency can decrease output voltage fall.
这种设计去除了通常在开关电源附近的大滤波电容,因为没有必要对LED电流的高频谐波进行平滑处理。
The design eliminates the use of the large-valued filter capacitors you usually find in a switching regulator, because there is no need to smooth out high-frequency ripple in the LED current.
和测量滤波电容上的电压,测量的数目等于至少一次,以产生至少一个结果来确定接近性检测的可测量电容。
A voltage is measured on the filter capacitance for a number of measurements equal to at least one to produce at least one result to determine the measurable capacitance for proximity detection.
连接于极线的输电设备主要有平波电抗器、滤波电容器、直流电压分压器、光学电流传感器、直流避雷器等。
The equipment which connected in the DC bus includes smoothing reactors, capacitors, voltage dividers, optical current transducers and arresters.
在允许同样的电压波动时,如果采用该新型协调控制策略,则可以大大减小滤波电容的容量,具有十分重要的应用价值。
Thus smaller capacitor can be adopted with the same fluctuation voltage allowed, which counts a great deal in practical applications.
在芯片的左边我们可以看到滤波电容,输入电容(电解电容)以及输入射频滤波。外一个电解电容可能是5伏供电之用途。
To the left of the chip we see the decoupling caps, the input caps (electrolytic) and input RF filter. The other electrolytic may be on the 5 volt supply.
为了提高系统的稳定性,抑制滤波器的谐振,在双闭环控制的基础上提出了一种基于虚拟电阻思想的控制策略。通过对滤波电容电流的积分处理,改变了系统传递函数的极点,确保了系统的稳定运行。
To suppress resonance of LCL filter and improve stability of system, it is pre - sent that a voltage and current double loops control strategy based on virtual resistor concept.
在电路板的设计中采用光电耦合器件、铁氧体磁珠、旁路电容滤波等方式减小了噪声。
At last of design, use optocoupler device, ferrite beads and bypass capacitor to reduce system noise.
本文给出了一种利用线性变换设计开关电容滤波器的新方法。
A new method for switched-capacitor filleter (SCF) realization by using the linear transformation techique is described.
分析了直流侧电感和电容滤波的整流器的谐波特性,进而把它们分为电流和电压型谐波源。
The harmonic characteristics of a rectifier with a DC filter inductor or capacitor are analyzed and then relevantlythey are classified into current type and voltage type harmonic source.
建立了一种具有最小电流峰值的电容输出滤波高频高压并联谐振变流器分析设计方法。
A method of the high voltage and high frequency parallel resonant converter with capacitive output filter which has the minimal peak input current is introduced.
讨论了电容滤波单相整流电路中二极管电流的形波。
In this paper, the current waveforms of diodes in the rectifier with capacitor filter are discussed.
用单位增益缓冲器构成的开关电容滤波器(SCF),若能消除寄生电容引起的“阻性”寄生,则可用于高频设计,总寄生灵敏度会因此大大降低。
The unity gain buffer will be good for designing high frequency SCF if its resistive effect can be eliminated and then the overall parasitic sensitivity will be greatly lowered.
对无传感器无刷直流电机的驱动系统进行了研究,详细论述了开关电容低通滤波器的设计方法。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
在两种负载模型下,通过计算分析了滤波电感和电容对电源电压波动的影响;
The voltage ripple waveform is analyzed based on the inductance and the capacitive change under two load models.
由衬底损耗机制,讨论了衬底阻抗、氧化层电容和衬底有效介电常数对滤波性能的影响。
Increasing the substrate resistance and reducing the substrates' oxide thickness and coupled capacitances make a reduction of the substrate loss.
并采用寄生电阻预畸变与SC负电阻相结合的办法,设计的SC滤波器对寄生电容不灵敏,且电路简单。
In the process of SC design, an approach combining parasitic resistance pre-mutating and SC negative resistance is followed to achieve a simple filter circuit.
描述了基于AT89C52单片机、锁相环和开关电容滤波器的正交信号发生器的设计和实现方法。
The design and implementation of quadrature waveform generator are described based on the AT89C52, phase-locked loop(PLL) and switched-capacitor filter(SCF).
在电气化铁道牵引变电站中,装设无功补偿电容器和谐波滤波器是提高功率因数、改善电能质量的重要手段。
In electric railway traction substation, power capacitors and harmonic filters are the important devices for improving both the power factor and the power quality.
另外,在尾电流源处加入电感电容滤波,进一步降低相位噪声。
In addition, LC noise filter is added in the tail current source to lower phase noise further more.
本文讨论了用基本开关电容(SC)电路的Z域传输导纳,建立有源开关电容滤波器(SCF)等效Z域模型的方法。
The paper discusses the method of establishing active switched-capacitor filter (SCF) Z-domain equivalent circuits model using Z-domain admittance of the basic switched-capacitor (SC) circuit.
本文对开关电容滤波器和开关电流滤波器的设计方法作了综述。
This paper summarizes the switched capacitor filter and switched current filter design methods.
提出了一种新的任意阶运算跨导放大器——电容(OTA - C)多功能滤波器的设计方法。
This paper presents a new general design method for arbitrary order operational transconductance amplifiers and capacitors (OTA-C) multifunction filters.
为避免谐波问题造成的电容器等设备损坏,提出了根据电容器和电抗器的滤波能力,把谐波抑制功能加入电压无功控制(VQC)装置。
To avoid device damage caused by harmonic wave, a VQC device integrating harmonic suppression function is presented in terms of the filter capability of capacitor and reactor.
应用推荐