CN103151993B - Accurate alternating current amplifier - Google Patents
Accurate alternating current amplifier Download PDFInfo
- Publication number
- CN103151993B CN103151993B CN201310035236.4A CN201310035236A CN103151993B CN 103151993 B CN103151993 B CN 103151993B CN 201310035236 A CN201310035236 A CN 201310035236A CN 103151993 B CN103151993 B CN 103151993B
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- current
- circuit
- transformer
- operational amplifier
- amplifier
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- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 230000009022 nonlinear effect Effects 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009021 linear effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310035236.4A CN103151993B (en) | 2013-01-30 | 2013-01-30 | Accurate alternating current amplifier |
Applications Claiming Priority (1)
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CN201310035236.4A CN103151993B (en) | 2013-01-30 | 2013-01-30 | Accurate alternating current amplifier |
Publications (2)
Publication Number | Publication Date |
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CN103151993A CN103151993A (en) | 2013-06-12 |
CN103151993B true CN103151993B (en) | 2017-06-16 |
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Family Applications (1)
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CN201310035236.4A Active CN103151993B (en) | 2013-01-30 | 2013-01-30 | Accurate alternating current amplifier |
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CN (1) | CN103151993B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104410374A (en) * | 2014-09-29 | 2015-03-11 | 国家电网公司 | Precise alternating voltage amplifier |
CN105278599B (en) * | 2015-10-22 | 2017-02-22 | 国家电网公司 | Voltage-controlled current source circuit using CT to replace current sensing resistor |
CN107017851A (en) * | 2016-01-28 | 2017-08-04 | 江苏省电力公司南京供电公司 | A kind of current power amplifying circuit |
CN107017850A (en) * | 2016-01-28 | 2017-08-04 | 江苏省电力公司南京供电公司 | A kind of voltage power amplifying circuit |
CN106353558A (en) * | 2016-08-26 | 2017-01-25 | 成都鑫豪斯电子探测技术有限公司 | The co-signal processor of inductive load and resistive load used for electrical fire supervision |
CN107192973A (en) * | 2017-05-27 | 2017-09-22 | 中国电力科学研究院 | Leakage current of an arrester compensation system and method under a kind of electric field environment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696441A (en) * | 1994-05-13 | 1997-12-09 | Distribution Control Systems, Inc. | Linear alternating current interface for electronic meters |
CN102185555A (en) * | 2010-12-28 | 2011-09-14 | 上海智大电子有限公司 | Digitalized alternating-current voltage and speed regulation device |
CN102841227A (en) * | 2012-08-15 | 2012-12-26 | 广东电网公司电力科学研究院 | High precision large alternating current output device |
CN203193573U (en) * | 2013-01-30 | 2013-09-11 | 中国电力科学研究院 | Precise alternating current amplifier |
-
2013
- 2013-01-30 CN CN201310035236.4A patent/CN103151993B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5696441A (en) * | 1994-05-13 | 1997-12-09 | Distribution Control Systems, Inc. | Linear alternating current interface for electronic meters |
CN102185555A (en) * | 2010-12-28 | 2011-09-14 | 上海智大电子有限公司 | Digitalized alternating-current voltage and speed regulation device |
CN102841227A (en) * | 2012-08-15 | 2012-12-26 | 广东电网公司电力科学研究院 | High precision large alternating current output device |
CN203193573U (en) * | 2013-01-30 | 2013-09-11 | 中国电力科学研究院 | Precise alternating current amplifier |
Non-Patent Citations (2)
Title |
---|
用于小电流测量的电子式电流互感器的研究与设计;邸志刚;《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》;20050915;C042-98 * |
直流输电用零磁通直流电流互感其的研制;李鹤等;《高压电技术》;20121130;第38卷(第11期);2981-2985 * |
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Publication number | Publication date |
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CN103151993A (en) | 2013-06-12 |
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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20150310 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20150310 |
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Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
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TA01 | Transfer of patent application right |
Effective date of registration: 20150310 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Applicant before: China Electric Power Research Institute |
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GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: China Electric Power Research Institute Patentee before: State Grid Corporation of China |
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CP01 | Change in the name or title of a patent holder |