IT1396322B1 - Trasformatore di misura autoalimentato - Google Patents
Trasformatore di misura autoalimentatoInfo
- Publication number
- IT1396322B1 IT1396322B1 ITUD2009A000177A ITUD20090177A IT1396322B1 IT 1396322 B1 IT1396322 B1 IT 1396322B1 IT UD2009A000177 A ITUD2009A000177 A IT UD2009A000177A IT UD20090177 A ITUD20090177 A IT UD20090177A IT 1396322 B1 IT1396322 B1 IT 1396322B1
- Authority
- IT
- Italy
- Prior art keywords
- self
- measurement transformer
- powered measurement
- powered
- transformer
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/32—Circuit arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
- Housings And Mounting Of Transformers (AREA)
- Protection Of Transformers (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUD2009A000177A IT1396322B1 (it) | 2009-10-08 | 2009-10-08 | Trasformatore di misura autoalimentato |
EP10785509.0A EP2486413B8 (en) | 2009-10-08 | 2010-10-08 | Electromagnetic measuring device for measuring electric current |
PCT/IB2010/002554 WO2011042805A1 (en) | 2009-10-08 | 2010-10-08 | Electromagnetic measuring device for measuring electric current |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITUD2009A000177A IT1396322B1 (it) | 2009-10-08 | 2009-10-08 | Trasformatore di misura autoalimentato |
Publications (2)
Publication Number | Publication Date |
---|---|
ITUD20090177A1 ITUD20090177A1 (it) | 2011-04-09 |
IT1396322B1 true IT1396322B1 (it) | 2012-11-16 |
Family
ID=42174575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITUD2009A000177A IT1396322B1 (it) | 2009-10-08 | 2009-10-08 | Trasformatore di misura autoalimentato |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2486413B8 (it) |
IT (1) | IT1396322B1 (it) |
WO (1) | WO2011042805A1 (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102680756B (zh) * | 2012-06-05 | 2015-07-08 | 优利德科技(中国)有限公司 | 一种复合功能电子测量方法及装置 |
AU2016201585A1 (en) * | 2015-04-22 | 2016-11-10 | Thomas & Betts International, Llc | Multiple coil configuration for faulted circuit indicator |
CN111085992B (zh) * | 2019-10-12 | 2023-02-28 | 国网山东省电力公司莱芜供电公司 | 一种敞开式变电站内红外测温最佳路径规划方法,智能巡检机器人及可读存储介质 |
DE102020212901B4 (de) | 2019-10-14 | 2023-03-23 | Lg Electronics Inc. | Drahtloser leistungssensor |
CN111337742B (zh) * | 2020-02-25 | 2023-01-20 | 广东电网有限责任公司 | 一种配电网短期负荷预测数据采集设备 |
CN113379274A (zh) * | 2021-06-22 | 2021-09-10 | 南方电网数字电网研究院有限公司 | 一种基于电能量数据的补采方法、系统及存储介质 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3842344A (en) * | 1974-01-10 | 1974-10-15 | Doble Eng Co | Bridge circuit for measuring dielectric properties of insulation |
US4717994A (en) * | 1986-12-11 | 1988-01-05 | Zenith Electronics Corporation | Current mode control for DC converters operating over 50% duty cycle |
US5068776A (en) * | 1990-11-29 | 1991-11-26 | International Business Machines Corporation | Switched-mode DC-DC power converter for reducing effects of magnetization current |
US5949231A (en) * | 1996-10-23 | 1999-09-07 | Lau; Chi-Sang | Alternating current measuring device |
US6774618B2 (en) * | 1999-12-13 | 2004-08-10 | Rockwell Automation Technologies, Inc. | Magnetic flux sensor and method |
WO2002031953A1 (en) * | 2000-10-13 | 2002-04-18 | Koninklijke Philips Electronics N.V. | Switched mode power supply |
EP1807707B1 (en) * | 2004-11-05 | 2010-09-22 | Liaisons Electroniques-Mècaniques LEM S.A. | Detector circuit for measuring current |
US20070139152A1 (en) * | 2005-12-21 | 2007-06-21 | Chun-Kong Chan | Balanced transformer having an auxiliary coil |
TWI298505B (en) * | 2006-01-11 | 2008-07-01 | Delta Electronics Inc | Transformer having auxiliary winding coil for sensing magnetic flux balance and driving circuit using the same |
JP2009212157A (ja) * | 2008-02-29 | 2009-09-17 | Masakazu Ushijima | 変圧器、電気回路、電流検出方法および出力制御方法 |
-
2009
- 2009-10-08 IT ITUD2009A000177A patent/IT1396322B1/it active
-
2010
- 2010-10-08 EP EP10785509.0A patent/EP2486413B8/en not_active Not-in-force
- 2010-10-08 WO PCT/IB2010/002554 patent/WO2011042805A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
ITUD20090177A1 (it) | 2011-04-09 |
EP2486413B8 (en) | 2015-02-18 |
WO2011042805A1 (en) | 2011-04-14 |
EP2486413A1 (en) | 2012-08-15 |
EP2486413B1 (en) | 2014-12-31 |
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