HCPD-9209
Partial discharge detector
More details HCPD-9209 The partial discharge inspection instrument is a multi-functional handheld instrument. It is based on geoelectric wave, ultrasonic wave, ultra-high frequency and high frequency current detection methods. It tests the partial discharge condition of the equipment and can read out the partial discharge amplitude and map waveform. It can provide The storage and readout functions of two-dimensional and three-dimensional maps can better evaluate the partial discharge situation of electrical equipment. Inductive voltage test series for partial discharge detection
HCPD-2000
Ultrasonic local discharge
inspection instrument
More details HCPD-2000 ultrasonic partial discharge inspection instrument is a detection device that collects abnormal ultrasonic signals of power lines and diagnoses hidden dangers of power line faults through software analysis. It is also suitable for the detection of partial discharges of insulators, cable heads, high-voltage bushings, CT/PT, lightning arresters, switches, etc. This device can determine the location and type of hidden faults without power outages. Inductive voltage test series for partial discharge detection
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HCPD-9209 Partial discharge inspection instrument HCPD-2000 Ultrasonic partial discharge inspection instrument HCPD-9109P Ultrasonic Partial Discharge Tester HCPD-9104 Partial Discharge Comprehensive Analyzer HCR3102A Transformer DC resistance tester HCR3103C Transformer DC resistance tester Click on the name to view details

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3108, 2021

10kV电网单相接地故障-单相接地故障的处理

在小电流接地电网的运行中,当发生单相接地故障,绝级监察报出接地信号时,运行值班人员应沉着冷静进行处理。根据信号、电压表指示、天气情况、运行方式等进行综合分析,区分接地信号的虚与实。并及时向上级调度和领导汇报,做好有关现象的记录。 在进行判断处理时,首先应根据接地故障特征,判明故障性质与相别。其次进行分网运行,缩小停电范围,在分网运行时应考虑各部分之间功率平衡,继电保护配合等因素。而后再检查所内电气设备有无故障:如设备瓷质部分有无损坏,有无放电闪络;设备上有无落物、小动物及外力破坏现象;有无断线接地。再检查互感器熔丝有无熔断,避雷器、电缆头有无击穿损坏等,在确定所内设备无问题的前提下,用瞬停依次拉闸查找法。 目前,有些35kV变电所10kV出线装有接地信号装置,或微机选线装置,当装置正常投入运行时,接地故障线路是很容易区分查出。若是出线未装接地信号装置,其查找处理办法是:依次断开10kV线路母线的分路开关,如断开某路开关接地信号消失,绝缘监察电压表指示恢复正常,即表明所停电线路有接地故障,即可安排消除故障。 假如瞬停分路开关后接地信号仍然存在,说明接地故障不发生在此线路,应立即恢复供电,再依瞬停其他线路,千万不可将所有出线全部断开进行查找。如是将所有10kV出线开并全部断开,就是切除所有出线的对地电容电流,这样会造成系统电容电流的大幅度降低,导致残余电流过大,消弧线圈失去消弧作用,从而在接地点产生间歇性弧肖放电,引发产生过电压,威胁设备绝缘安全。为此,采用瞬停查找法时,千万不可全部断开出线开并查找,而是停一路查一路,恢复供电后再停另一路。 在查出接地故障线路后,对一般不重要的用户线路,可停电排除接地故障,待接地故障排除后方可恢复供电。 如属重要用户的供电线路发生接地,应采用措施转移用电负荷,或是投入备用线路,在做好这些工作之后,方可停电查找排除接地故障,尽快排除故障恢复供电以减少停电损失。

3108, 2021

华创电气十周年公司庆典

2018年5月3日,保定华创电气有限公司迎来了她的十周岁生日,全体员工欢聚一堂,为华创庆生。 十年栉风沐雨,十年春华秋实,十年的艰苦创业,凝聚了华创人太多的心血与汗水,十年的多元发展,记载了华创人太多的拼搏和喜悦。“回首成长十年路 未来相携共发展”——华创电气十周年公司庆典在总经理赵建军的精彩发言中拉开帷幕。 从赵总慷慨激昂的致辞中,我们深深感受到创业的艰辛与不易,感受到了华创的同仁们对这份事业的执着与热情,更感受到华创人对未来的期盼和坚定的信念。

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