ABB NAMC-51C
ABBNAMC-51C电容电感测试仪是不拆线检测补偿电容器的专用仪器。一般在进行电容测试和电感测试之前,试验者需要根据被试品参数设置相应的测量参数。但是在试验过程中,需要注意哪些事情呢?下面小编就给大家讲讲全自动电容电感测试使用注意事项。全自动电容电感测试仪针对变电站现场测量并联电容器组中的单个电容器电容值时存在的问题而专门研制的,它着重解决了以下问题:(1)现场测量单个电容器需拆除连接线,不仅工作量大而且易损坏电容器。(2)电容表输出电压低而导致故障检出率低。(3)测量电抗器的电感。全自动电容电感测试特点:(1)量程自动转换;(2)储存7168个测试数据;(3)大屏幕液晶(320×240LCD)显示,汉字菜单操作提示;(4)实现波形和测量处理数据同屏显示,使测试过程更直观;(5)具有设置、校正和调试功能。全自动电容电感测试使用注意事项:1、使用前电容电感测试仪面板上的接地桩必须接地,以免发生触电危险!2、测量时必须将测试电压输出开关置于“通”位置。3、为获得正确的容量值,必须在测量前设置与电容器铭牌相同的电压值。4、如果怀疑精度有问题,请用电容电感测试仪器随机配置的参考电容器进行检查。5、在测量小电容大电感时,钳形表的位置对测量值有影响,请将钳形表置于被测导线正中位置,并保持钳口完全闭合。功率放大器(poweramplifier,简称“功放”)指在给定失真率条件下,能产生最大功率输出以驱动某一负载的放大器。高压功率放大器是一个非常通用的测试仪器,但是如何选择一款适合的功率放大器?选择高压功率放大器需要注意以下指标:带宽:通常厂家放大器带宽都是以正弦波来定义的,例如功率放大器100KHz,指的是正弦波信号,可以达到的最高频率,而不是方波或者三角波,这些波形由于其高次谐波的影响,不能达到,通常厂家会给出小信号带宽或者大信号带宽,客户需要根据自己的应用与厂家进行沟通。电压:需要放大信号的最高电压值,客户通常要注意自己测试应用需要的电压是有效值Vrms还是峰峰值Vpp,通常厂家给出的是峰峰值。电流:功率放大器通常输出的功率是恒定的,这样P=U*I,也就是电压和电流在功率恒定下是成反比的,通常厂家给出的电流值是最大值,特别是当在DC下当电压输出最大时,电流一定是最小的。功率:功率代表了放大器的驱动能力,P=U*I,通常功率的选择与客户预期希望加载再待测设备上的电压与电流有关,但是如果负载是纯阻性负载是方便计算的,如果是容性或是感性负载就需要客户与厂家工程师进行沟通,进行一定的模拟仿真后获得一个准确的需求。通道:根据测试的应用选择通道数,目前厂家主流的是单通道或者双通道,但是有些厂家可以根据用户需要定制通道,最多可以达到8通道,同时可以保证通道的同步性,也可以输出不同相位差的信号,方便了用户的使用。增益:分为模拟增益及数控增益,模拟增益采用电位器调节,模拟增益无法精确放大只能,通过外置观测示波器来读取,逐步被厂家淘汰,数字增益控制,调节精度高,直观方便,是目前主流放大器采用的增益放大方式。输入输出阻抗匹配:放大器通常配合信号源使用,通常信号源有50欧姆及高阻输出,放大器在输入阻抗有对应的匹配阻抗,保证了输入端的安全。输出阻抗匹配,由于客户驱动的负载的多样性,需要厂家提供更灵活的匹配电阻。保护:功率放大器由于驱动负载,由于很多是动态变化的,就对功率放大器提出了更高的要求,为了防止损坏功率放大器,通常要求有过电压保护,过电流保护,过热保护,短路保护。IC200PWR101IC200TBM002IC647MPS101IC690PWR024CLM01.3-X-0-4-FWVS-656MR56SE9531-7DK40E0451-521-038IC695CPU3104351BABC-PDPAB7000-CGZAH821107P0158140ACI04000140NOE77100140XTS00200140ACI03000140ACO13000140ARI03010140CPS11420140CPU65150140CPU67160140CRA93200140CRP93200140DDI35300140DDO35300140NOE77101140XBP00600140XBP01000140XBP01600140XTS002003EH73031BBAF6FC5210-0DA20-2AA1DSAO120DSAO120ADSDP170TU810V1IC647TRT000IC647TRT999CAN-CBM-DPSE-B5.700.020-00.0002711-K10C152711-NM2322711-NMCC1771-CT1771-OWNA1784-PCIC/B1784-PKTXMA0185100PC832-001-TDV505-400SAB48PT2-9003E110ED5101336F-B100-AE-ENCP5611PCI-1602BHC-KFS73MR-J2S-70AA03B-0819-C512TVD1.3-08-03DSAI130DSAI145/146DSDI120ADSTA131DSTA145DSTD150ALE4-116-DD1FR-D740-3.7K-CHTFR-F740-55K-CHT3051CD2A02A1ABH2(0-40KPA)3051CD2A02A1ABH2(0-10KPA)3051CG2A02A1AH2B1(0-40KPA)3051GP1A2B21AB4(0-100KPA)3051GP3A2B21AB4(0-0.6MPA)3051GP3A2B21AB4(0-1.6MPA)3051GP3A2B21AB4(0-1MPA)3051GP3A2B21AB4(0-4MPA)6EW1811-8AAHMS01.1N-W0020-A-07-NNNNHMS01.1N-W0036-A-07-NNNN140CPU434129907-1676ES7315-2AG10-0AB01756-DNB/D140CPU43412A140DDI84100140DRA84000G3SM50/100-T5X00119G01CIMR-HB4A05156ES7315-2AG10-0AB06ES7321-1FH00-0AA06ES7953-8LG20-0AA0C200H-IA222CIMR-HB4A0180DCS800-S02-0260-05+K454+控制盘DCS800-S02-0450-05+K454+控制盘HLE45-600H-3F.ACHLE45-600L-3F.AC1756-CNB1756-CNB/DLKA5BVT3006-S35/R1MPG-4RFIC693MDL753A20B-2000-0670-04D140CRA93200140CRP932001746-IB161746-OB161746-P21747-L5321756-CNBR/EPM856PM856K01LD4-LC130DSAI130DSAO120DSAO120ADSDI110ADSDO115DSDP170TB807TU810V11746-HSRVDSDP1506EW1861-2AE1203-GK1SRM50-HWA0-K011336-QOUT-SP25A1336-SN-SP16A1756-CNB/D1756-ENBT/A1794-OE12IC697CGR935A06B-6079-H1061769-OB32AK-BX556M6SE6430-2UD42-5GBODCS40-25194R-NJ100P36GK1105-2AE003401PC32000FCIMR-MR5N27P5IC3645OSC5E90811405060140CPU53414AIC3645OSC5E9194R-NJ100P3DCS-401-0405REV.A.1405AJ120-172J120-190J120-485J120-S147B1756-CNBR1756-ENBT1756-L631756-RMDC2500-CE-0A00-200-00000-00-0XBTF011310PWS6600S-S2098-DSD-010A16B-2203-0073/02AA16B-2203-0073/02A140ACI03000140ARI03010140CPS12420140CPU65160140CRA93200140DDI35310140DDO35320140XBP0100140XCP5100140XTS0020051403776-100H117AL112F16632BA16B-1212-0950DS41-30DS4600A-22201336F-B025-AE-EN1336-WB009A02B-0319-B502A249SS-120-A-G6RA7085-6DS22-0-ZZ=S00+K00INNIS21INNPM126ES7-151-1AA04-0AB01398-DDM-019IC695CPU315IC695PBM300IC695PSA0400-51378-191756-CNB1756-DNB/D1756-PA756ES7317-2EK13-0AB03503E351136253700A3805E8312A06B-0034-B0771C31194G011C31197G01TC-IDD321140ACI03000140ACO13000140ARI03010140CPS11420140CPU65150140CPU67160140CRA93200140CRP93200140DDI35300140DDO35300140NOE77101140XBP00600140XBP01000140XBP01600140XTS00200990XCP98000MA0185100MA0186100MA0329001PTQ-PDPMV1TSXBATM02TSXMRPC003MTSXMRPC007M1769-IF16C1769-OF8C531X111PSHASG3AK-BX511M2QA225M8ACS550-01-015A-4ACS550-01-08A8-4PSS30/52-500LPSS37/64-500LPST50-600-701756-DNB/A1756-ETHERNET1336-BDB-SP30D1336F-B100-AE-EN1336-QOUT-SP13AJWS600-246GK7343-1EX21-OXEO6DR5010-0NG00-0AA01756-A10/A1756-DH/RIO1756-IF161756-OF81756-PA72/B2711-B6C103805EA06B-6079-H101A06B-6079-H104A06B-6079-H203A06B-6080-H304RS2A03A0ALOWOOIMDSO14IMFEC12YB560101-EL5100MIC200PWR102FDSO14FEC12C40H-C3DR-DE140ACI04000140ARI030101756-IF16/A1792D-8BVT8D1792D-8BVTOD1794-OA8IQAE3075.010VXF53.40-166AV6643-0CD01-1AX12CN3000TSX07301028P0940AXP0940CUP0940DHP0940HQDSO14FCM10EFEC12505-CODACCESS4000CIMR-JB4A00116ES7416-1XJ02-0AB06GK1541-2BA006ES7158-0AD01-0XA06ES7317-2AJ10-0AB06ES7340-1AH02-0AE06GK7343-1CX10-0XE06SN1123-1AA00-0AA26SN1123-1AB00-0HA26SN1145-1AA01-0AA2VF-SXN(400V1.5KW)31C075-503-4-001250-1476MDS-B-CV-110MDS-B-SP-185MDS-B-SP-220MDS-B-SVJ2-20ACS800-01-0205-3+P901FR-D720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厦门哲讯电气自动化有限公司
业务 QQ: 1982497648