CN204116446U - 一种用于高压变频器的电压和频率测量装置 - Google Patents
一种用于高压变频器的电压和频率测量装置 Download PDFInfo
- Publication number
- CN204116446U CN204116446U CN201420492683.2U CN201420492683U CN204116446U CN 204116446 U CN204116446 U CN 204116446U CN 201420492683 U CN201420492683 U CN 201420492683U CN 204116446 U CN204116446 U CN 204116446U
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistance
- arm
- protection circuit
- measuring equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000919 ceramic Substances 0.000 claims description 15
- 230000001419 dependent effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 description 10
- 238000011161 development Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420492683.2U CN204116446U (zh) | 2014-08-28 | 2014-08-28 | 一种用于高压变频器的电压和频率测量装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420492683.2U CN204116446U (zh) | 2014-08-28 | 2014-08-28 | 一种用于高压变频器的电压和频率测量装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204116446U true CN204116446U (zh) | 2015-01-21 |
Family
ID=52333742
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420492683.2U Expired - Lifetime CN204116446U (zh) | 2014-08-28 | 2014-08-28 | 一种用于高压变频器的电压和频率测量装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204116446U (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104730317A (zh) * | 2015-03-27 | 2015-06-24 | 武汉武新电气科技股份有限公司 | 一种用于高性能矢量变频器的输出电压和频率检测电路 |
CN105759116A (zh) * | 2016-04-14 | 2016-07-13 | 南京工程学院 | 一种低压电力线电网频率采集装置及测频算法 |
-
2014
- 2014-08-28 CN CN201420492683.2U patent/CN204116446U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104730317A (zh) * | 2015-03-27 | 2015-06-24 | 武汉武新电气科技股份有限公司 | 一种用于高性能矢量变频器的输出电压和频率检测电路 |
CN104730317B (zh) * | 2015-03-27 | 2017-06-30 | 武汉武新电气科技股份有限公司 | 一种用于高性能矢量变频器的输出电压和频率检测电路 |
CN105759116A (zh) * | 2016-04-14 | 2016-07-13 | 南京工程学院 | 一种低压电力线电网频率采集装置及测频算法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015117304A1 (zh) | 一种氧化锌避雷器在线监测系统及其方法 | |
CN101403777A (zh) | 大电流氧化锌避雷器阻性电流测试仪 | |
CN203849322U (zh) | 低压电源电涌保护器阻性电流监测装置 | |
CN103257263A (zh) | 非接触式工频电压测量装置 | |
WO2021008336A1 (zh) | 工频和冲击叠加电压波形的测量方法及系统 | |
CN201319309Y (zh) | 一种电子式电压互感器 | |
CN106771819A (zh) | 一种便携式避雷器阻性泄漏电流检测装置 | |
CN104777420A (zh) | 一种高压开关触头的测试系统及其测试方法 | |
CN105527549A (zh) | 局部放电数据采集电路及检测系统 | |
CN203551641U (zh) | 一种宽频电压采集器 | |
CN206292298U (zh) | 一种高压变频器输出电压隔离采样电路 | |
CN204287307U (zh) | 变压器、基于变压器的电流检测电路 | |
CN204116446U (zh) | 一种用于高压变频器的电压和频率测量装置 | |
CN103592497A (zh) | 一种宽频电压采集器 | |
CN206523579U (zh) | 基于无线射频技术避雷器阻性泄漏电流检测装置 | |
CN104569566A (zh) | 绝缘子高压端泄漏电流测量装置 | |
CN104764915B (zh) | 基于电容与阻容分压器并联的电子式电压互感器 | |
CN204405728U (zh) | 一种避雷器放电计数器 | |
CN107024613A (zh) | 高压馈电电缆方波过电压在线监测装置 | |
CN203455399U (zh) | Cvt暂态过电压传感器 | |
CN203216999U (zh) | 容性设备介质损耗带电测量取样装置 | |
CN112881866B (zh) | 一种局部放电监测过电压抑制方法和装置 | |
CN204188724U (zh) | 一种供电系统电涌保护器绝缘电阻的在线测量装置 | |
CN207440167U (zh) | 一种变压器暂态过电压及套管介质损耗信号同步采集装置 | |
CN207601188U (zh) | 一种变压器套管c2电容和介质损耗因数测量电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 114051 Anshan high tech Zone, Liaoning province science and technology road, No. 108 Patentee after: WOLONG ELECTRIC GROUP LIAONING RONGXIN ELECTRIC TRANSMISSION CO.,LTD. Address before: 114051 Anshan high tech Zone, Liaoning province science and technology road, No. 108 Patentee before: LIAONING RONGXIN POWER ELECTRONIC DRIVE TECHNOLOGY CO.,LTD. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20210413 Address after: 312000 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Patentee after: WOLONG ELECTRIC GROUP LIAONING RONGXIN ELECTRIC TRANSMISSION Co.,Ltd. Address before: 114051 No. 108, science and technology road, hi tech Zone, Liaoning, Anshan Patentee before: WOLONG ELECTRIC GROUP LIAONING RONGXIN ELECTRIC TRANSMISSION Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20150121 |
|
CX01 | Expiry of patent term |