VAC电流传感器用于工业电源 VAC Current Sensors for Industrial Applications

Presentation on theme: "VAC电流传感器用于工业电源 VAC Current Sensors for Industrial Applications"— Presentation transcript:

1 VAC电流传感器用于工业电源 VAC Current Sensors for Industrial Applications

2 应用领域 Applications 变频器 (FREQUENCY INVERTERS) 不间断电源 (UPS) 交流转换器-太阳能电池
（ AC CONVERTER - SOLAR CELLS ） 电池充电器,交流转换器-升降设备… (BATTERY CHARGER, AC CONVERTER -FORK-LIFTS, ...) 电池充电器,辅助转换器-牵引设备… (BATTERY CHARGER,AUXILARY CONVERTERS- TRACTION, ...) 焊机 (WELDING MACHINES) 开关电源（SWITCHED MODE POWER SUPPLIES) 其他 (others)

3 磁电流传感器的主要制造厂家 Main manufacturer of Magnetic Current Sensor
Magnetic Sensor using the induced magnetic field in the magnetic core Closed Loop In = 1 … 700 A Imax = 1250 A f = DC … 100 kHz Tu = -40 … 105 °C UB = / V VAC, LEM, ABB, Honeywell Open Loop Closed Loop with Hall-element with Hall-element with magnetic field probe only VAC

4 VAC 电流传感器 VAC Current Sensor
闭环磁探针式电流传感器 Closed Loop Current Sensors with VITROVAC Field Probe 低偏移电流(Low offset current) 无温度漂移(No temperature drift) 高动态范围(High dynamic range) 大电流小体积(Large current in small build size) H B The VITROVAC field probe

5 温度漂移特性曲线 Temperature Dependence of Offset Current
Comparison of current sensors with VITROVAC field probe and Hall-sensor devices I0 [A] 0,5 0,4 0,3 typical current sensor with Hall probe 0,2 various current sensors with amorphous metallic magnetic field probe 0,1 -60 -40 -20 20 40 60 80 100 120 -0,1 T [°C] -0,2

6 VAC标准系列电流传感器

7 VAC新系列高精度电流传感器 VAC new active current sensors for maximum accuracy
Closed Loop In = 6 … 200 A Imax = 300 A f = DC … 100 kHz Tu = -40 … 85 °C UB = +5V/+- 12 / V operation with the IC DRV 401

8 VITROVAC Magnetic Probe Type
总误差：The sum of all errors (accuracy精度, linearity线性度 and offset偏移) (This total value is more important than the error value only at room temperature) VAC closed loop sensors with magnetic probe: 约1%到1.5%在整个应用温度范围-40 ~85 °C! Closed loop Hall effect -sensors: 约2%到3%, 应用温度范围仅-25 ~85 °C VITROVAC Magnetic Probe Type Hall Effect Type

9 VITROVAC Magnetic Probe Type
输出信号：The output signal VAC closed loop sensors with magnetic probe: 低位高频周期性信号, 易滤除, 几乎无输出噪声! Closed loop Hall effect -sensors: 高位低频信号, 叠加多种频率噪声, 无法滤除! VITROVAC Magnetic Probe Type Hall Effect Type

10 VITROVAC Magnetic Probe Type VITROVAC Magnetic Probe Type
快速的响应和真正的过流保护： Quick response and real over current protection! VITROVAC Magnetic Probe Type VITROVAC Magnetic Probe Type Hall Effect Type

11 VAC新系列高精度电流传感器

12 VAC电流传感器用光伏逆器(PV inverter)漏电流检测
Type N = 1: Current range Supply voltage(s) Output 4645-X IN = 0,3 A, I max = + 0,85 A + 5 V Voltage 4646-X IN = 0,3 A , I max = + 0,85 A + 5 V Voltage 4646-X IN = 0,15 A , I max = + 0,27 A V Voltage operation with the IC DRV 401 DI – Sensor on Evaluation Board 

13 主要客户 SMA, Germany Kaco, Germany SIEMENS, Germay Fronius, Austria
Xantrex, USA APC, USA . 茂迪(MOTECH), TW 阳光电源(SPS), China 山特(SANTAK), TW others