RU2011136606A - METHOD FOR AUTOMATED CONTROL UNDER OPERATING CURRENTS AND VOLTAGES OF DEFORMATION OF WINDINGS OF THE LOWERING THREE-PHASE THREE-ROD POWER TRANSFORMER - Google Patents
METHOD FOR AUTOMATED CONTROL UNDER OPERATING CURRENTS AND VOLTAGES OF DEFORMATION OF WINDINGS OF THE LOWERING THREE-PHASE THREE-ROD POWER TRANSFORMER Download PDFInfo
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- RU2011136606A RU2011136606A RU2011136606/28A RU2011136606A RU2011136606A RU 2011136606 A RU2011136606 A RU 2011136606A RU 2011136606/28 A RU2011136606/28 A RU 2011136606/28A RU 2011136606 A RU2011136606 A RU 2011136606A RU 2011136606 A RU2011136606 A RU 2011136606A
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- power transformer
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- rod power
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
Способ автоматизированного контроля под рабочими токами и напряжениями деформации обмоток понижающего трехфазного трехстержневого силового трансформатора, заключающийся в фиксации массивов мгновенных значений токов и напряжений на всех сторонах понижающего трехфазного трехстержневого силового трансформатора и сравнении результатов вычислений с эталоном, отличающийся тем, что с использованием текущей частоты напряжения питающей электрической сети по указанным массивам определяют составляющие векторов токов и напряжений прямой, обратной и нулевой последовательностей на всех сторонах понижающего трехфазного трехстержневого силового трансформатора, а по данным опытов холостого хода с питанием понижающего трехфазного трехстержневого силового трансформатора, раздельно напряжениями прямой (обратной) и нулевой последовательностей, с использованием текущего значения коэффициента трансформации понижающего трехфазного трехстержневого силового трансформатора и активного сопротивления обмоток, определяют намагничивающие токи, токи в фазах на всех сторонах и индуктивные сопротивления короткого замыкания в фазах понижающего трехфазного трехстержневого силового трансформатора.A method of automated control under operating currents and voltages of deformation of windings of a step-down three-phase three-rod power transformer, which consists in fixing arrays of instantaneous values of currents and voltages on all sides of a step-down three-phase three-rod power transformer and comparing the results of calculations with a standard, characterized in that using the current frequency of the supply voltage the electrical network according to the indicated arrays determine the components of the vectors of currents and voltages of the direct, reverse and zero sequences on all sides of the three-phase three-rod power transformer, using the current value of the transformation ratio of the step-down three-phase three-rod power transformer and the active resistance of the windings, determined divide the magnetizing currents, currents in phases on all sides and inductive resistances of a short circuit in the phases of a step-down three-phase three-rod power transformer.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011136606/28A RU2478977C1 (en) | 2011-09-02 | 2011-09-02 | Method for control of deformation of windings of step-down three-phase double winding three-legged power transformer under operational currents and voltages |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011136606/28A RU2478977C1 (en) | 2011-09-02 | 2011-09-02 | Method for control of deformation of windings of step-down three-phase double winding three-legged power transformer under operational currents and voltages |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2011136606A true RU2011136606A (en) | 2013-03-10 |
| RU2478977C1 RU2478977C1 (en) | 2013-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2011136606/28A RU2478977C1 (en) | 2011-09-02 | 2011-09-02 | Method for control of deformation of windings of step-down three-phase double winding three-legged power transformer under operational currents and voltages |
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| RU (1) | RU2478977C1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253155A (en) * | 2020-12-31 | 2021-08-13 | 国网河南省电力公司检修公司 | Load testing device and method for autotransformer |
| CN113848421A (en) * | 2021-09-15 | 2021-12-28 | 国网安徽省电力有限公司电力科学研究院 | Voltage sag acquisition method and device considering transformer impedance voltage sag |
| CN116626417A (en) * | 2023-05-17 | 2023-08-22 | 三科调压电源(深圳)有限公司 | System and method for testing short-circuit resistance of voltage-regulating rectifier transformer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1644050A1 (en) * | 1988-05-06 | 1991-04-23 | Научно-Исследовательский Центр По Испытанию Высоковольтной Аппаратуры | Method for testing deformation of power transformer windings |
| RU94034034A (en) * | 1994-09-19 | 1996-07-27 | П.А. Бутырин | Power transformer diagnostics method |
| RU71446U1 (en) * | 2007-08-27 | 2008-03-10 | Государственное образовательное учреждение высшего профессионального образования Томский политехнический университет | DEVICE FOR OPERATIONAL MONITORING THE STATE OF WINDING OF A SINGLE-PHASE TRANSFORMER WITH UNLOADED WINDING |
| RU2390034C1 (en) * | 2009-01-11 | 2010-05-20 | Государственное образовательное учреждение высшего профессионального образования Томский политехнический университет | Method for operative control of short-circuit resistance in single-phase double-winding transformer in working mode |
| US20120130663A1 (en) * | 2009-07-23 | 2012-05-24 | Indian Institute Of Technology, Bombay | On-line diagnostic method for health monitoring of a transformer |
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2011
- 2011-09-02 RU RU2011136606/28A patent/RU2478977C1/en not_active IP Right Cessation
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253155A (en) * | 2020-12-31 | 2021-08-13 | 国网河南省电力公司检修公司 | Load testing device and method for autotransformer |
| CN113253155B (en) * | 2020-12-31 | 2023-03-21 | 国网河南省电力公司超高压公司 | Load testing device and method for autotransformer |
| CN113848421A (en) * | 2021-09-15 | 2021-12-28 | 国网安徽省电力有限公司电力科学研究院 | Voltage sag acquisition method and device considering transformer impedance voltage sag |
| CN113848421B (en) * | 2021-09-15 | 2024-04-19 | 国网安徽省电力有限公司电力科学研究院 | Voltage sag acquisition method and device considering transformer impedance voltage drop |
| CN116626417A (en) * | 2023-05-17 | 2023-08-22 | 三科调压电源(深圳)有限公司 | System and method for testing short-circuit resistance of voltage-regulating rectifier transformer |
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| Publication number | Publication date |
|---|---|
| RU2478977C1 (en) | 2013-04-10 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20140903 |