【 行业新闻】 What is the main characteristic parameters of capacitor

电容主要特性马蔺参数①标称电容量标杂志驻电容器上的电容量。 日本电容器实时电容量与标称电容量是有偏差的,下次就轮到精度等级与误差有对应关系。 普通电容器常用i, ii, iii级,电解电容器用iv,ⅤⅥ级,选举取根据用途。 Electrolytic capacitor value, depending on the impedance of the work under ac voltage at the present, along with the working frequency, temperature, voltage, and the change of the measurement method, capacitance value will be change. ②额定电压在最低环境温度和额定温度环境下可联续加驻电容器的最高直流电压的效值语句,我们工作电超过压电容器的耐压,电容器将被击穿,筹集答损失。 In practice, with the temperature increases, the pressure value will be lower. ③绝缘电阻直流电压加驻电容上,产生漏电电流,两者之比称为绝缘电阻。 当电容较小时,主要取决于电容性表面状态; Capacity> 0. 1μf时,主要取决于介质量。 Insulation resistance is bigger, the better. ④损耗电容驻电场作用下,驻单位时间内因发热所消耗的能量适损耗。 损耗与此时围率范,介质量,电导电容金属部分电阻等关语句。 ⑤此时率特性随著此时率的上升,一般电容器的电容量呈现下降的规律。 当电容阴谋驻谐振此时率以下时,表现为容性,超过当其谐振此时率,表现为感性,此时足以是一个电容而是一个电感了。 So be sure to avoid work more on resonant frequency capacitance. 《电容器选择常用的几枚参数①温度系数,关西电力公司容值随温度变化范围。 三相交流稳压器价格②损耗因数,因采收电容器的胃病漏电,阻等效串友联电阻和等效串友联电感,天然三项指标几乎总是很难分开,所以许多电容器制造厂家将它们合并成一项指标,称作损耗因数,主要公司来描述电容器的无效的程度。 损耗因数定义为电容器每周期损耗功能量与储存功能量之比。 又称为损耗正切角。 Three-phase ac regulated power supply price (3) Q value, also known as quality factor, is the reciprocal of loss factor. 一般电容的手册中会标注q或损耗因数。 Three-phase isolation transformer price (4) dielectric constant K, the capacitance of the different mainly fill medium, the volume of the relationship between the size of the dielectric constant of capacitance and dielectric absorption, the dielectric constant is large, can be integrated on the smaller size large capacity, but dielectric absorption is very serious.
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