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WDZG-S 水内冷直流高压发生器

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WDZG-S 水内冷直流高压发生器

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一、WDZG-S 水内冷直流高压发生器简介

水内冷发电机定子绕组的直流耐压试验和直流泄漏电流试验无外在吹水或通水两种条件下进行。各自的优缺点比较如下:

1、吹水情况下做试验

优点:可用一般直流高压试验器进行试验(如60kV/10mA型),设备轻便、操作简单、读数准确且不受水质情况的影响。

缺点:由于发电机机组的结构所致,其底部积水很难吹干。因此十分耗时,吹水时间甚至长达一周以上。延长了大修停机时间。如果吹水不够,不仅会带来测量误差,且万一试验时引起线圈内拉弧,就有损坏绕组的危险。

2、通水情况下做试验

优点:不用吹水设备,省去了吹水的时间。

缺点:目前采用交流试变(或谐振变)与硅堆、电容组合,并且要另加装置对汇水管等进行极化补偿。设备笨重、分散,接线复杂。试验结果受水质影响,微安表波动大、读数较困难。

综合上述情况,要同时克服两方面的缺点,就要解决在通水情况下,采用成套专用设备在轻便、简单、准确的前提下进行试验。我司根据“低压屏蔽法”原理开发的“水内冷发电机通水直流高压试验装置”基本满足了这一要求,其主要特点是:

1) 整套装置仅由控制箱及倍压两部分组成,接线十分简单。

2) 采用电子控制与调谐,操作方便、舒适;电压、电流等均在面板表计上直接读数且无需换算。

3) 一分钟定时及提示功能,按试验规程要求设定。

4) 完善的过压过流保护功能,同时外附氧化锌过压保护装置万无一失。

 

二、WDZG-S 水内冷直流高压发生器主要技术性能

 

60/80

60/120

60/200

60/300

80/200

80/300

90/150

100/250

输出电压(kV

60

60

60

60

80

80

90

100

输出电流(mA

80

120

200

300

200

300

150

250

输出功率(kW

4.8

7.2

12

18

16

24

13.5

25

机箱重量(kg

17

33

35

38

38

39

36

40

倍压重量(kg

18

10+24

10+24

14+37

15+36

15+37

14+25

17+38

倍压筒高度(mm

630

730

730

900

900

900

850

1000

电压测量误差

1.0%±2个字

总电流测量误差

1.0%±2个字

漏电流测量误差

±2.0%(满度)

过压整定误差

1%

电压稳定度

1.0%(随机波动、电源电压变化±10%)

工作方式

额定负载一次连续工作5分钟

环境温度

-10~40

相对湿度

当温度为25℃时不大于90%(无凝露)

海拔高度

2000米以下

未找到相应参数组,请于后台属性模板中添加

WDZG-S 水内冷直流高压发生器特点

1) 整套装置仅由控制箱及倍压两部分组成,接线十分简单。

2) 采用电子控制与调谐,操作方便、舒适;电压、电流等均在面板表计上直接读数且无需换算。

3) 一分钟定时及提示功能,按试验规程要求设定。

4) 完善的过压过流保护功能,同时外附氧化锌过压保护装置万无一失。

WDZG-S 水内冷直流高压发生器主要技术性能

 

60/80

60/120

60/200

60/300

80/200

80/300

90/150

100/250

输出电压(kV

60

60

60

60

80

80

90

100

输出电流(mA

80

120

200

300

200

300

150

250

输出功率(kW

4.8

7.2

12

18

16

24

13.5

25

机箱重量(kg

17

33

35

38

38

39

36

40

倍压重量(kg

18

10+24

10+24

14+37

15+36

15+37

14+25

17+38

倍压筒高度(mm

630

730

730

900

900

900

850

1000

电压测量误差

1.0%±2个字

总电流测量误差

1.0%±2个字

漏电流测量误差

±2.0%(满度)

过压整定误差

1%

电压稳定度

1.0%(随机波动、电源电压变化±10%)

工作方式

额定负载一次连续工作5分钟

环境温度

-10~40

相对湿度

当温度为25℃时不大于90%(无凝露)

海拔高度

2000米以下

暂未实现,敬请期待
暂未实现,敬请期待
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资质证书

企业产品严格按照国际、国家标准及行业规程生产,通过国家、各省级、市级电力研究所、计量中心及电力权威部门的检测,全面通过ISO9001国际质量管理体系认证、中华人 民共和国制造计量器具许可证、GB/T19001-2008质量管理体系要求、GB/T24001-2004环境管理体系要求、GB/T28001-2011职业健康安全管理体系要求。

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383 ISO9001国际质量管理体系认证 1
384 变频互感器综合测试仪专利证书 2
385 电缆故障测试仪专利证书 3
386 微机继电保护测试仪专利证书 4
387 5
388 6
389 环境管理体系认证证书 7
390 8

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