SU1188672A1 - Method of determining conductivity of separate phase insulation with respect to earth - Google Patents
Method of determining conductivity of separate phase insulation with respect to earth Download PDFInfo
- Publication number
- SU1188672A1 SU1188672A1 SU843724356A SU3724356A SU1188672A1 SU 1188672 A1 SU1188672 A1 SU 1188672A1 SU 843724356 A SU843724356 A SU 843724356A SU 3724356 A SU3724356 A SU 3724356A SU 1188672 A1 SU1188672 A1 SU 1188672A1
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- USSR - Soviet Union
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- phase
- earth
- conductivity
- insulation
- voltage
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- Measurement Of Resistance Or Impedance (AREA)
Abstract
СПОСОБ ОПРЕДЕЛЕНИЯ ПРОВОДИМОСТИ ИЗОЛЯЦИИ ОТДЕЛЬНЫХ ФАЗ ОТНОСИТЕЛЬНО ЗЕМЛИ, заключающийс в измерении общей проводимости изол ции токоведущих частей относительно земли, а также модул фазного напр жени и последующем переключении двух отход щих фаз одна относительно другой, отличающийс тем, что, с целью упрощени , до и после переключени фаз измер ют напр жение смещени нейтрали, а искомые проводимости YA, YB, YC определ ют по формулам V . иф. V Y - Д|+ фУ - зУф Y vfai H + аи + Цф) - зи; где иф - модуль фазного напр жени ; i Y - обща проводимость изол ции токоведущих частей относительно (Л земли; 7д и t/ -напр жение смещени нейтрали до переключени фаз и после; а --|-4-; -фазный множитель; / - единичный вектор.A METHOD FOR DETERMINING THE CONDUCTIVITY OF ISOLATION OF INDIVIDUAL PHASES RELATING TO THE EARTH, which consists in measuring the total conductivity of the insulation of current-carrying parts relative to the ground, as well as the phase voltage module and the subsequent switching of the two outgoing phases relative to each other, characterized by the the phase switch measures the displacement voltage of the neutral, and the desired conductivities YA, YB, YC are determined by formulas V. if V Y - D | + FU - ZUf Y vfai H + Ai + ZF) - Z; where if is the phase voltage module; i Y is the total conductivity of the insulation of current-carrying parts relative to (L of the earth; 7d and t / is the voltage displacement of the neutral before and after phase switching; a - | -4-; - phase multiplier; / - unit vector.
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU843724356A SU1188672A1 (en) | 1984-04-10 | 1984-04-10 | Method of determining conductivity of separate phase insulation with respect to earth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU843724356A SU1188672A1 (en) | 1984-04-10 | 1984-04-10 | Method of determining conductivity of separate phase insulation with respect to earth |
Publications (1)
Publication Number | Publication Date |
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SU1188672A1 true SU1188672A1 (en) | 1985-10-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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SU843724356A SU1188672A1 (en) | 1984-04-10 | 1984-04-10 | Method of determining conductivity of separate phase insulation with respect to earth |
Country Status (1)
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SU (1) | SU1188672A1 (en) |
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1984
- 1984-04-10 SU SU843724356A patent/SU1188672A1/en active
Non-Patent Citations (1)
Title |
---|
Цапенко Е. Ф., Кораблев В. П. Измерительна техника. 1975, № II, с. 67-68. Цапенко Е. Ф., Случевский Ю. Н. Определение параметров изол ции отдельных фаз относительно земли в сети с изолированной нейтралью.«Метрологи , 1981, № 9, с. 44-50. * |
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