规格 UL-10A-20U-1VN 可售卖地 全国 用途 油除杂质 材质 玻璃纤维 类型 高效 型号 UL-10A-20U-1VN 霸州硕业过滤设备有限公司供应大生滤芯UL-10A-20U-1VN,TAISEI KOGYO大生滤芯,大生滤芯,大生液压滤芯,大生液压油滤芯,日本大生滤芯,日本大生液压滤芯,日本大生液压油滤芯。TAISEI KOGYO大生滤芯型号:P351...
404 UL SUBJECT 8803-2021 2021-09-02 English UL Outline for Investigation for Portable UV Germicidal Equipment With Uncontained UV Sources - Issue 1 405 A-A-59220 CANC NOTICE 1-2021 2021-09-02 English WRENCHES, OPEN END, AND WRENCH ASSEMBLY, STAMPED STEEL 406 A-A-59154 CANC NOTICE 2-202...
(A) 则 i=4.4√2sin314t(A) U_R=iR=4.4 ∠0° ×40∠0° =176∠0°(V) u_R=176√2sin30 14t(V) U_L=1⋅j^j=4.40°*70∠90°=308∠90°(V) uL =308√2 sin(314t+90°)(V) UL =-jXc·I =40∠-90° ×4.4∠0° =176∠-90°(V) u_c=176√2sin(314t-90°)(V...
187 UL 1278 BULLETIN-2021 2021-12-17 English UL Standard for Safety Movable and Wall- or Ceiling-Hung Electric Room Heaters - COMMENTS DUE: January 31, 2022 188 UL 943 BULLETIN-2021 2021-12-17 English UL Standard for Safety Ground-Fault Circuit-Interrupters - COMMENTS DUE: January 31, 202...
The cable assembly thus bared shall be secured in a clamp or other support fixture that does not disturb the circular cross section of the assembly. The cable shall hang down below the support with the longitudinal axis of the cable vertical. A rod, pointer, or other indicator that does ...
Class RK1熔断器依据UL248-12设计,额定电压最高可达600VAC DC,额定电流最高可达600A,分断能力可达300kA。Vicfuse 的VKF/VKT系列通用型熔断器依据UL248-
在r,l,c串联电路中,已知r=15Ω,xl=15Ω,xc=5Ω,电源电压u=10√~2sin(314t+30°)V。求此电路的复阻抗Z,电流I,电压Ur、Ul、Uc 相关知识点: 试题来源: 解析 复阻抗:z=r+jxl-jxc;电流:I =u/Z;注意,Z与z的关系自己去处理,若还要问我不如看教材;Ur=I*r;Uc=I*xc;Ul=I*xl...
6.在RLC串联电路中,已知 R=30Ω,L=127m , C=40μ F,电源电压 us220√2sin(314t+20°)。 (1)求电流i及各部分电压uR、uL、uc;(2)作电流和电压的相量图(3)求功率P和Q 。 相关知识点: 试题来源: 解析 ±1%x+(7)+11/1+1=27x+16=14 1 -1≤1015-1210 幸 ...
关于电工电子技术正弦交流电路的一些题目在RLC串联交流电路中,已知R=16Ω,XL=16Ω,XC=4Ω,电路两端所加电源电压u=220根号2sin(314t+67°),试求:(1)线路电流相量I;(2)各元件上电压相量Ur、UL、U
KLA/TENCOR 378348 PCB ASSY, USCOPE DR, AF, AIT KLA/TENCOR 38-0029 CABLE ASSY KLA/TENCOR 38-0064 CABLE FLAT FLEX Z-STAGE KLA/TENCOR 400653 ASSEMBLY, X-DRIVE KLA/TENCOR 41-0046 BRACKET, MOTOR DOOR, FOR KLA/TENCOR 41-0124 PLATE, ADAPTER, BUHLER ...