SR469-CASE 469-P5-HI-A20-E继电器单价
SR469-CASE 469-P5-HI-A20-E继电器单价
SR469-CASE 469-P5-HI-A20-E继电器单价
SR469-CASE 469-P5-HI-A20-E继电器引脚图
SR469-CASE 469-P5-HI-A20-E继电器说明书
SR469-CASE 469-P5-HI-A20-E继电器是具有隔离功能的自动开关元件,广泛应用于遥控、遥测、通讯、自动控制、机电一体化及电力电子设备中,是·重要的控制元件之一。
SR469-CASE 469-P5-HI-A20-E继电器一般都有能反映一·输入变量(如电流、电压、功率、阻抗、频率、温度、压力、速度、光等)的感应机构(输入部分);有能对被控电路实现“通”、“断”控制的执行机构(输出部分);在继电器的输入部分和输出部分之间,还有对输入量进行耦合隔离,功能处理和对输出部分进行驱动的中间机构(驱动部分)。
SR469-CASE 469-P5-HI-A20-E作为控制元件,概括起来,继电器有如下几种作用:
SR469-CASE 469-P5-HI-A20-E扩大控制范围:例如,多触点继电器控制信号达到某·定值时,可以按触点组的不同形式,同时换接、开断、接通多路电路。
SR469-CASE 469-P5-HI-A20-E放大:例如,灵敏型继电器、中间继电器等,用一个很微小的控制量,可以控制很大功率的电路。
SR469-CASE 469-P5-HI-A20-E综合信号:例如,当多个控制信号按规定的形式输入多绕组继电器时,经过比较综合,达到预定的控制效果。
SR469-CASE 469-P5-HI-A20-E自动、遥控、监测:例如,自动装置上的继电器与其他电器一起,可以组成程序控制线路,从而实现自动化运行。
SR469-CASE 469-P5-HI-A20-E继电器是智能预付费电能表中的关键器件,继电器的寿命在某种程度上决定了电表寿命,该器件性能好坏对智能预付费电能表运行至关重要。
SR469-CASE 469-P5-HI-A20-E而国内、外继电器生产厂家众多,生产规模相差较大,技术水平相距悬殊,性能参数千差万别,因此,电能表生产厂家在继电器检测选型时·须有一套完善的检测装置,以保证电表质量。
SR469-CASE 469-P5-HI-A20-E同时,国家电网也加强了智能电能表内继电器性能参数抽样检测,同样需要相应的检测设备,检验不同厂家生产的电表质量。然而,继电器检测设备不仅检测项目比较单一,检测过程不能实现自动化,检测数据需要人工处理和分析,检测结果具有各种随机性、人为性,而且,检测效率低,·全性也得不到保证。
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