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变压器、GIS系统、SF6开关、CT/PT、绝缘子、母线、电缆、套管等容性设备是变电站中常见的一次电气设备。根据220V以及以下变电站一次电气设备耐压的试验规程要求,相应的交/直流流耐试验设备既要满足高电压、小电流的试验条件,又要满足低电压,大电流的试验条件,要求兼顾较宽的适用范围,采用串联谐振的原理,由变频电源控制箱(操作台)、激励变压器、电抗器、电容分压器组成了主设备,在电容分压器上,接入整流硅堆及微安表,即可完成直流耐压试验。由于系统谐振后具有很好的滤波特性,因此其生产的直流电压优于普通试验变压器整流初来的直流电压。是地、市、县级高压试验部门及电力承装、修试工程单位的耐压设备。
1、所需电源容量大大减小,试验所需的电源功率只有试验容量的1/Q;
2、体积小,重量轻,一般为普通试验装置的1/3-1/5;
3、谐振电源是谐振式滤波电路,能改善输出电压的波形畸变,获得很好的正弦波形,有效的预防了谐波峰值对试品的误击穿;
4、变频电源保护功能强,稳定性好;
5、具备多种工作模式,操作方便;
6、采用220V或380V单相电源,方便现场取电;
7、配置灵活,扩展功能强。谐振电抗器采用多只方式,积木式组合,可串可并,满足多种试品的试验要求,更方便现场使用。
1、额定试验容量: 0~5000kVA
2、谐振电压:0~1000kV
3、频率调节范围:20~300Hz
4、系统测量精度:1.0级
5、频率调节分辨率: 0.01Hz
6、不稳定度:≤0.05%
7、输出波形: 正弦波
8、波形畸变率:≤0.5%
9、噪 声:≤60dB
10、电抗器Q值:30~90
11、工作制:满功率输出下,连续工作时间60min
12、环境温度:-10℃~45℃
13、工作湿度: ≤90%
14、海拔高度:≤3000m
15、电源输入:380V±10%三相或 220V±10%单相(10kW以下),50Hz
- 激励变压器
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变频电源
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分电压
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电抗器
Our company's products are produced in strict accordance with international standards, national standards, and industry and enterprise standards. They have passed professional inspections by national, provincial and municipal electric power research institutes, measurement centers and electric power authorities, and fully passed the ISO9001 international quality management system certification. GB/T19001-2008 quality management system requirements, GB/T24001-2004 environmental management system requirements, GB/T28001-2011 occupational health and safety management system requirements.
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