一、应用范围
直流高压试验器主要适用于电力部门、工矿、冶金、钢铁等企业动力部门对氧化锌避雷器、电力电缆、变压器、断路器、发电机等高压电气设备进行直流耐压试验或直流泄露电流试验。
升压方式:手动升压.
二、技术特点
DYZF-B直流高压发生器。应用AIPWM技术,对PWM技术的不准确线性度进行了调整,使仪器精度得到了大幅度提高。并采用AI技术屏幕设定过压保护和过流保护取代了数字拨盘开关只能设定电压值,不能设定电流值及电压飘移的问题。0.75UDC1mA功能按钮,方便氧化锌避雷器试验,精度≤0.5%。增加了任意电压、电流下计时功能,及总时间T1和分段计时T2功能。仪器增加了万年历和时间功能。
- 机箱采用便携式机箱,携带方便。
- 采用AIPWM技术,对PWM不准确线性度进行了调整,精度得到了大幅度提高。纹波系数≤1%。
- AI氧化锌避雷器和油浸式变压器测量功能。可以直接保存实验报告,精度≤0.5 %。保持手动0.75UDC1mA。
- 并采用AI技术设定过压保护和过流保护取代了数字拨盘开关只能设定电压值,不能设定电流值及电压飘移的问题。误差≤1%
- 全量程平滑调压,电压调节精度≤0.5%,稳定度≤0.5%,电压电流误差≤0.5%±1个字
- 带有总时间T1和分段计时T2,及任意电压、电流下计时功能。
- 仪器增加了万年历和时间功能。
三、技术参数
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规格
技术参数
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60/3
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120/3
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200/5
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300/3
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输出电压 (kV)
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60
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120
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200
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300
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输出电流 (mA)
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3
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3
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5
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3
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输出功率 (W)
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180
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360
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1000
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900
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充电电流 (mA)
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3
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3
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3
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5
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控制箱重量(kg)
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10.1
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12.1
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13.1
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13.1
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倍压筒重量(kg)
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3.2
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4.1
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8.0
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10
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倍压筒规格(mm)
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Ф90
480
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Ф90
560
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Ф110
910
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Ф110
1200
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电压测量误差
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±0.5%(满度)±1个字
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电流测量误差
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±0.5%(满度)±1个字
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过压整定误差
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AI技术设定过压保护和过流保护. 误差≤0.5%
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0.75切换误差
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高精度0.75UDC-1mA单触按钮(精度≤0.5%)
适合氧化锌避雷器试验
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波纹系数
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≤0.5%
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工作方式
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间断使用:额定负载30分钟
1.1倍额定电压使用:10分钟
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工作环境
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温度:-10℃~+40℃
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相对湿度:室温为25℃时不大于85%(无凝露)
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海拔高度:1500米以下
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带电容负荷
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被试品电容量无限制
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结构特点
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电气绝缘倍压筒
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空气绝缘、无泄漏之虑
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