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FH2R7L505M-H1020 PDF预览

FH2R7L505M-H1020

更新时间: 2024-04-09 18:57:46
品牌 Logo 应用领域
风华高科 - FH 电容器
页数 文件大小 规格书
10页 734K
描述
高温系列圆柱型超级电容器

FH2R7L505M-H1020 数据手册

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SUPERCAPACITOR  
恒流放电法测量Measurement by Permanent electrotransport:  
1、恒流/恒压源的直流电压设定为额定电压UR)。  
DC voltage of constant current/constant voltage source is set as rated voltage (UR).  
2、设定规定的恒电流放电装置的恒定电流值。  
Set the constant current value of the constant current discharge device.  
3、将开关S切换到直流电源,在恒流/恒压源达到额定电压后恒压充电30min。  
Switch the switch S to dc power supply, and charge at constant voltage for 30min after the constant  
current/constant voltage source reaches the rated voltage.  
4、在充电30min结束后,将开关S变换到恒流放电装置,以恒定电流进行放电。  
After charging for 30min, switch S is changed to the constant exile device to discharge with constant current.  
5、测量电容器两端电压从U1U2的时间t1t2,如图所示,根据下列等式计算电容量值:  
Measure the time t1 and t2 of the voltage from U1 to U2 at both ends of the capacitor, as shown in the figure, and  
calculate the capacitance value according to the following equation  
容量  
Capacitance  
Measurement by Permanent electrotransport:  
交流阻抗方法测量AC impedance measurements:  
采用如下图所示的电路进行测量:  
The circuit as shown in the figure below is used for measurement:  
电容器的内阻Ra应通过下式计算  
Capacitor resistance Ra shall be computed by the type:  
Ra=U/I  
内阻  
Resistance  
其中where:  
Ra 交流内阻 AC impedanceΩ);  
U 交流电压有效值 Effective value of U ac voltageV r.m.s);  
I 交流电流有效值 Effective value of I ac currentV r.m.s)。  
直流漏电流的测量原理如下DC leakage current measurement principle is as follows:  
1、放电:该测量开始前,电容器应进行充分放电。放电过程持续1h24h。  
Discharge: before the measurement begins, the capacitor should be fully discharged.The discharge process  
lasts from 1h to 24h.  
2、漏电流的测量应额定温度和额定电UR过最大30min充电时间后达到95%充电电压电时间从30min,  
1h2h4h8h12h24h48h72h中选择并在相应标准中规定。  
漏电流  
Leakage  
Current  
Leakage current shall be measured at rated temperature and rated voltage (UR).The charging voltage reached  
95% after the maximum 30min charging time. The charging time was selected from 30min ,1h , 2h , 4h , 8h ,  
12h , 24h , 48h , 72h and shall be specified in the detail specification.  
3、应使用稳定的电源如直流稳压电源。  
Stable power supply, such as dc stabilized power supply, should be used.  
4、通过1000Ω以下的保护电阻给电容器施加电压。  
through the protection under 1000 Ω resistance to capacitor voltage.  
5

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