AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″欢迎来电中山朗立电气有限公司DAEHAN SENSOR CO.LTD(DHS)韩国大韩传感器
DLF-S DLF-BS DLF-SL DLF-LB-1S DLF-103 DLF-303 DLF-503 DLF-1
DLF-2 DLF-3 DLF-4 DLF-4P-4S-GH DLF-4P-4S-FH DLF-4P-4S-G DE-5H
DLF-4P-4S-F DLF-4P-4T DLF-4P-4V DLF-4P-4N DLF-4P-4P DLF-4P-4S
表DI-65A DI-100A DI-100D DL-200D DLC-2M DEC-4U2WN DEC-5U-2WN
DFI-24V DFI-24VN DFIC-4D DFIC-4DN DFIC-4U DFIC-4P DFIC-4U-M
DPC-10 DFC-2U DFC-4U DFC-4U-2W DFC-4U-2WN DLC-4P DLC-4U-MC
DLF-4P-1S DLF-1P-1S DLF-4P-4S DLF-1P-1P DLF-4P-1P DLF-4P-4P
DLF-1P-1N DLF-4P-4N DLF-1P-1V DLF-4P-1V DLF-4P-4P DLF-1P-1T
DLF-4P-1T DLF-4P-4T DLF-4P-1S-F DLF-4P-4S-F DLF-1P-1S-G DE-5F
DLF-4P-4S-G DLF-1P-1S-FH DLF-4P-1S-FH DLF-4P-1S-GH DQ-4F DQ-4S
DFS-1B DFS-4B DFS-2S DFS-3S DFS-4S DU-03 DU-05 DU-08 DU-08-E DU
DU-08-B DPS-500 DPS-500L DRF-100S DRF-200F DRF-200S DC-103 DC-300
DC-100S DC-100F DC-300 DCAL-100S DVS-100 DVS-100-E DSP-100 DSP-200
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″欢迎来电 如果想学习器的接线,那么基本的两个电路一定要懂,一个是自锁一个是互锁。自锁电路自锁的要点,线圈吸合以后通过器自身的常开点供电实现自锁。自锁用的按钮开关是自复开关。互锁电路经典实用的控制电机正反转的互锁电路,在实际接线的时候把1和2两个按钮开关机械互锁。 这是一般的情况,还有特例的。比如下图的两个铭牌,是以按电压的高低来区分接线方式的。那么问题来了我们遇到这种情况有没有想过这样一个问题:这样接的目的是啥,我们如果按照铭牌接就不会有问题了吗。。对于这个问题的回答我想用个实例来说明下:我们厂里边出现了这种三相电动机也就是双电压电动机,当时由于是晚上加班处理的,安装设备的厂家没有来,由于明天要试机,就指派我们去处理。
二次绕组直接均匀地缠绕在圆形铁心上,与仪表、继电器、变送器等电流线圈的二次负荷串联形成闭合回路,由于穿心式电流互感器不设一次绕组,其变比根据一次绕组穿过互感器铁心中的匝数确定,穿心匝数越多,变比越小;反之,穿心匝数越少,变比越大,额定电流比:式中I1——穿心一匝时一次额定电流;n——穿心匝数。
DSP-300 DLG-100F-T-2S DMC-100S DMC-3S DH-100F DH-100S DH-200S
DGS-100A DGS-100 DGL-200 DGL-200L DT-200 DT-300 DT-400 DT-500
DT-600 DF-4P-4S DF-4P-4S-2W DF-4S DF-4S-2W DF-300 DF-300-2W DF-500
DF-500-2W DF-600 DF-600-2W DC-300-B DQS-4S DQS-4S-2W DQL-4F DQL-4F-2W
DQH-4F DQH-4F-2W DR-5H DE-5H-2W DE-5F DE-5F-2W DE-5S DR-5S-2W
DT-200 DT-300 DT-400 DT-500 DT-600 DF-4P DF-4S DF-300 DF-400
DGS-100 DGS-100A DGS-500 DGL-200 DGL-200L DPS-500 DPS-500L DC-100S
DRF-100S DRF-200F DMC-3S DMC-100S DFS-1S DFS-2S DH-100F DH-100S DH-200S
HL-100 HL-101 HL-400 DLT-1100 DP-100S DLF-1 DLF-S DLF-BS DLF-SL DLF-LB-1S
DLF-1P-1S DLF-4P-1S DLF-4P-4S DLF-4P-4P DLF-4P-1N DLF-4P-4N DLF-4P-1V
DLF-4P-4V DLF-4P-1S-F DLF-4P-4S-F DLF-4P-1S-G DLF-4P-4S-G DLF-4P-1S-FH
DLF-4P-4S-FH DLF-4P-1S-GH DLF-3P-1S-GH DLF-4P-4S-GH DLF-103 DLF-303
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″欢迎来电 当带电粒子的速度垂直于磁感应强度B的方向时,电荷受力。若电荷静止不动,则电荷不受力作用。磁力只作用在运动电荷上,这是磁力与电力的显著不同。磁感应强度B的单位:T(特斯拉),量纲:[MT-2I-1]可以用电磁铁来产生磁场,在下图所示的电磁铁两极表面之间约4-10cm宽的空气隙中,可以产生3T的强磁场。 当负载为星形连接时,且各相负载平衡时,IL=IΦ当负载为三角形连接时,且各相负载平衡时,UL=UΦ因此不论负载是星形还是三角形,将以上关系式代入P=3UΦIΦcosΦ中得:同理,三相对称负载的无功功率为:由视在功率得出:注意:上述公式中字UL、IL是线电压和线电流。
趋势读定法整定PID参数需要观察这些曲线:对于单回路控制系统我们要收集的曲线有:设定值、被调量波动曲线、PID输出;串级调节系统,要收集设定值、被调量波动曲线、主调PID输出、副调的被调量曲线和PID输出曲线。1、从自动调节系统投自动中总结趋势读定法白志刚坦言他刚上班的时候,对自动调节系统一窍不通。
DLF-503A DFIC-4U DFIC-4P DFIC-4U-M DFIC-4D DFIC-4DN DFI-24VN DFI-24V
DPC-10 DPC-2U DPC-3U DPC-3U-2W DPC-4U DPC-4U-2W DPC-3U-2WN DLC-2M-AL
DLC-3U DLC-3U-2W DLC-4U DLC-4U-2W DLC-4U-MC DLC-4U-M-2W DLC-2M DLC-3M
DEC-4U-2WN DEC-5U-2WN DQC-3UN DQC-4U-M-2W DQC-4U-MC-2W DPS-6000 DPI-5000
DI-200D DI-100A DI-65A DI-100D转换器DT-200R DI-65A DI-100A DI-100D DL-200D
DLF-S DLF-BS DLF-SL DLF-LB-1S DLF-103 DLF-303 DLF-503 DLF-1 DLC-4U-M-2W
DLF-2 DLF-3 DLF-4 DLF-4P-4S-GH DLF-4P-4S-FH DLF-4P-4S-G DC-300-B
DLF-4P-4S-F DLF-4P-4T DLF-4P-4V DLF-4P-4N DLF-4P-4P DLF-4P-4S
DFI-24V DFI-24VN DFIC-4D DFIC-4DN DFIC-4U DFIC-4P DFIC-4U-M
DPC-10 DFC-2U DFC-4U DFC-4U-2W DFC-4U-2WN DLC-4P DLC-4U-MC DLC-4U-M-2W
DLC-2M DLC-3M DEC-4U2WN DEC-5U-2WN DLF-503 DLC-4P DE-5S
DLF-4P-1S DLF-1P-1S DLF-4P-4S DLF-1P-1P DLF-4P-1P DLF-4P-4P
DLF-1P-1N DLF-4P-4N DLF-1P-1V DLF-4P-1V DLF-4P-4P DLF-1P-1T
AONE/A-ONE AUTOVALVE,AS250D-500BF 500A 20″欢迎来电 当然和工程师相比还是有很大差距的,我觉得无论是选择框架断路器,还是塑壳断路器,主要是要结合自身的情况,比方说要操作检修方便,分段能力高,那显然框架断路器更合适,塑壳断路器与框架断路器的区别和选用(1)塑壳断路器和框架断路器同是断路器产品中使用十分普遍的产品。 互锁的作用只是为了避免触点的竞争,它不能引起操作功能出错。这一点尤为重要。1、不可互换工作的互锁不可互换工作的互锁电原理图如下:不可互换工作的互锁其工作原理是:当KM1闭合后,其常闭触点断开,使其KM2的控制回路不起作用。
②感性负载,如荧光灯,电视机,洗衣机,等计算稍微复杂,要考虑消耗功率,具体计算还要考虑功率因数等,为便于估算,笔者给出一个简单的计算方法,即一般感性负载,根据其注明负载计算出来的功率在翻一倍即可,例如。
DLF-4P-1T DLF-4P-4T DLF-4P-1S-F DLF-4P-4S-F DLF-1P-1S-G
DLF-4P-4S-G DLF-1P-1S-FH DLF-4P-1S-FH DLF-4P-1S-GH
DFS-1B DFS-4B DFS-2S DFS-3S DFS-4S DU-03 DU-05 DU-08 DU-08-E DU
DU-08-B DPS-500 DPS-500L DRF-100S DRF-200F DRF-200S DC-103
DC-100S DC-100F DC-300 DCAL-100S DVS-100 DVS-100-E DSP-100 DSP-200
DSP-300 DLG-100F-T-2S DMC-100S DMC-3S DH-100F DH-100S DH-200S
DGS-100A DGS-100 DGL-200 DGL-200L DT-200 DT-300 DT-400 DT-500
DT-600 DF-4P-4S DF-4P-4S-2W DF-4S DF-4S-2W DF-300 DF-300-2W DF-500
DF-500-2W DF-600 DF-600-2W DC-300-B DQS-4S DQS-4S-2W DQL-4F DQL-4F-2W
DQH-4F DQH-4F-2W DR-5H DE-5H-2W DE-5F DE-5F-2W DE-5S DR-5S-2W