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  bbin体育 >>> 产品展示 >>>  >>> 数字双钳相位伏安表 >>> SMG2000B多功能数字双钳相位伏安表
产品名称: SMG2000B多功能数字双钳相位伏安表
产品时间: 2019-02-19
产品型号:
产品特点: SMG2000B多功能数字双钳相位伏安表显示器采用了高反差液晶显示屏,字高达25mm,屏幕角度可自由转换约70°,以获得视觉效果;

SMG2000B多功能数字双钳相位伏安表 的详细介绍

SMG2000B多功能数字双钳相位伏安表指标

1.参比工作条件
(a)环境温度:(23±5)℃
(b)环境湿度:(45~75)% RH
(c)被测信号波形:正弦波、β=0.02

(d)BEICEXINHAOPINLV:(50±0.2)Hz

(e)BEICEZAILIUDAOXIANZAIQIANKOUZHONGDEWEIZHI:RENYI

(f)CELIANGXIANGWEISHIBEICEXINHAOFUZHIFANWEI:100~220V、0.5A~1.5

(g)WAICANBIPINLVDIANCICHANGGANRAO:YINGBIMIAN

2.JIBENWUCHAJIXIAN

SMG2000B多功能数字双钳相位伏安表测量原理

此方法的优点在于:一是操作简单。可以在不断开待测设备电源,在其正常工作时进行测试,不必插入测量探头,也不必将被测电极分开,只需要双钳夹着接地导体就可以测出其接地电阻。二是精度高。其精度可以达到0.01Ω。三是抗干扰能力强。可以滤出各种工频谐波。四是可以作为打地桩方式的补充。在很多条件下(如房屋密集或铺满水泥的地区),很难甚至不可能采用打桩的方式对接地电阻的测量,使用双钳口测试原理,可以不用打接地桩进行测量。该测量原理的的不足是:不能够直接对单点接地系统的测量。在单点接地系统中应慎用钳形地阻表。
其测量原理简述如下:本仪表配有两个钳口:电压钳和电流钳。
电压钳在被测回路中激励出一个感应电势E,并在被测回路产生电流I,仪表通过电流钳可以测得I值。通过对E、I的测量,由欧姆定律:R=E/I,即可求得R的值。

CHANPINBIECHENG

XIANGWEIBIAO、SHUANGQIANXIANGWEIBIAO、SHUANGQIANXIANGWEIFUANBIAO、QIANXINGXIANGWEIBIAO、QIANXINGXIANGWEIFUANBIAO、SHUZISHUANGQIANXIANGWEIBIAO、SHUZISHISHUANGQIANXIANGWEIBIAO、DIYAFUANXIANGWEIJIANCEBIAO、SHOUCHISHISHUZISHUANGQIANXIANGWEIFUANBIAO、SHUANGQIANSHISHUZIXIANGWEIBIAO、SHUANGQIANSHUZISHIXIANGWEIBIAO、SHUANGQIANSHIFUANXIANGWEIBIAO、SHUANGQIANFUANXIANGWEIBIAO、SHUXIANSHUANGQIANXIANGWEIBIAO

使用方法

CHULENENGGOUZHIJIECELIANGJIAOLIUDIANYAZHI、JIAOLIUDIANLIUZHI、LIANGDIANYAZHIJIAN、LIANGDIANLIUZHIJIANJIDIANYA、DIANLIUZHIJIANDEXIANGWEIHEGONGPINPINLVWAI,HAIJUYOUQITACELIANGPANDUANGONGNENG。

1: GANXINGDIANLU、RONGXINGDIANLUDEPANDING

JIANGBEICEDIANLUDEDIANYACONGU1DUANSHURU、DIANLIUJINGKAQIAN(QIANXINGDIANLIUHUGANQI)CONGI2CHAKONGSHURU,CELIANGQIXIANGWEI。RUOCEDEXIANGWEIXIAOYU90°,ZEDIANLUWEIGANXING;RUOCEDEDEXIANGWEIDAYU270°,ZEDIANLUWEIRONGXING。

2:SANXIANGDIANYAXIANGXUDECELIANG

JIANGUAB(HUOUAO)DIANYACONGU1DUANSHURU,UBC(HUOUBO)DIANYACONGU2DUANSHURU,CELIANGQIXIANGWEIJIAOΦ。RUOΦ=120°,ZEWEIZHENGXIANGXU;RUOΦ=240°,ZEWEIFUXIANGXU。

3:JIANCHABIANYAQIDEJIEXIANZUBIE

WOGUODIANLIBIANYAQICAIYONGY/YO-12,YO/Δ-11,Y/Δ-11SANZHONGJIEXIANZUBIE。DANGCAIYONGY/YO-12JIEFASHI,UABYUUabTONGXIANG,CELIANGQIXIANGWEIJIAOWEI0°HUO360°;DANGCAIYONGYO/Δ-11HUOY/Δ-11JIEFASHI,UabYUUABJIANXIANGWEIJIAOWEI30°,JIUabCHAOQIANUABXIANGWEI30°(JIAOBIAOA、BBIAOSHIGAOYARAOZUDUAN,a、bBIAOSHIDIYARAOZUDUAN;OBIAOSHIYOUZHONGXIANLIANJIE)。

4 SANXIANGERYUANJIANYOUGONGDIANNENGBIAOJIEXIANZHENGQUEXINGPANDUAN

KAOLVDAODIANLIUDEJINCHUHESANXIANGDIANYAXIANGXU、QITIAORUXIANYOU48ZHONGZUHE;ZHEI48ZHONGZHONGZHIYOULIANGZHONGSHIZHENGQUEDE,QIYU46ZHONGSHICUOWUDE。SHIYONGBENYIBIAONENGFANGBIANDEDUCEXIANGWEIGUANXI,PANDUANCHULIANGZHONGZHENGQUEDEJIEXIAN,JICEQUUABYUIAXIANGWEIJIAODENGYUΦ1,UCBYUICXIANGWEIJIAODENGYUΦ2,Φ1-Φ2=±300°。

5 GUJIPANDUANDIANNENGBIAOYUNXINGDEKUAIMAN

ZAIXIANCHANG,GENJUGONGSHI:T=3600n/NP(MIAO),JISUANLILUNSHIJIAN,CEDINGYUNXINGZHONGDEDIANNENGBIAOSHIKUAIHAISHIMAN。

SHIZHONGPWEICEDINGSHIJIAYUDIANNENGBIAODEGONGLV(kW),P=UICOSΦ;

NWEIDIANNENGBIAODECHANGSHU(ZHUAN/kWh):

nWEIJISUANLILUNSHIJIANSUOQUDEZHUANSHU;

TWEILILUNSHIJIAN。

DIANNENGBIAOKUAIMANYOUT-tQUEDING。tWEIDIANNENGBIAOZHUANnZHUANSHI,SHIJISUOYONGDESHIJIAN。

SHIYONGFANGFA:

CHULENENGGOUZHIJIECELIANGJIAOLIUDIANYAZHI、JIAOLIUDIANLIUZHI、LIANGDIANYAZHIJIAN、LIANGDIANLIUZHIJIANJIDIANYA、DIANLIUZHIJIANDEXIANGWEIHEGONGPINPINLVWAI,HAIJUYOUQITACELIANGPANDUANGONGNENG。

1: GANXINGDIANLU、RONGXINGDIANLUDEPANDING

JIANGBEICEDIANLUDEDIANYACONGU1DUANSHURU、DIANLIUJINGKAQIAN(QIANXINGDIANLIUHUGANQI)CONGI2CHAKONGSHURU,CELIANGQIXIANGWEI。RUOCEDEXIANGWEIXIAOYU90°,ZEDIANLUWEIGANXING;RUOCEDEDEXIANGWEIDAYU270°,ZEDIANLUWEIRONGXING。

2:SANXIANGDIANYAXIANGXUDECELIANG

JIANGUAB(HUOUAO)DIANYACONGU1DUANSHURU,UBC(HUOUBO)DIANYACONGU2DUANSHURU,CELIANGQIXIANGWEIJIAOΦ。RUOΦ=120°,ZEWEIZHENGXIANGXU;RUOΦ=240°,ZEWEIFUXIANGXU。

3:JIANCHABIANYAQIDEJIEXIANZUBIE

WOGUODIANLIBIANYAQICAIYONGY/YO-12,YO/Δ-11,Y/Δ-11SANZHONGJIEXIANZUBIE。DANGCAIYONGY/YO-12JIEFASHI,UABYUUabTONGXIANG,CELIANGQIXIANGWEIJIAOWEI0°HUO360°;DANGCAIYONGYO/Δ-11HUOY/Δ-11JIEFASHI,UabYUUABJIANXIANGWEIJIAOWEI30°,JIUabCHAOQIANUABXIANGWEI30°(JIAOBIAOA、BBIAOSHIGAOYARAOZUDUAN,a、bBIAOSHIDIYARAOZUDUAN;OBIAOSHIYOUZHONGXIANLIANJIE)。

4 SANXIANGERYUANJIANYOUGONGDIANNENGBIAOJIEXIANZHENGQUEXINGPANDUAN

KAOLVDAODIANLIUDEJINCHUHESANXIANGDIANYAXIANGXU、QITIAORUXIANYOU48ZHONGZUHE;ZHEI48ZHONGZHONGZHIYOULIANGZHONGSHIZHENGQUEDE,QIYU46ZHONGSHICUOWUDE。SHIYONGBENYIBIAONENGFANGBIANDEDUCEXIANGWEIGUANXI,PANDUANCHULIANGZHONGZHENGQUEDEJIEXIAN,JICEQUUABYUIAXIANGWEIJIAODENGYUΦ1,UCBYUICXIANGWEIJIAODENGYUΦ2,Φ1-Φ2=±300°。

5 GUJIPANDUANDIANNENGBIAOYUNXINGDEKUAIMAN

ZAIXIANCHANG,GENJUGONGSHI:T=3600n/NP(MIAO),JISUANLILUNSHIJIAN,CEDINGYUNXINGZHONGDEDIANNENGBIAOSHIKUAIHAISHIMAN。

SHIZHONGPWEICEDINGSHIJIAYUDIANNENGBIAODEGONGLV(kW),P=UICOSΦ;

NWEIDIANNENGBIAODECHANGSHU(ZHUAN/kWh):

 

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