RU2000121517A - METHOD FOR DETERMINING ELECTRICAL STRENGTH, RELAXATION TIME AND CONDUCTIVITY OF INSULATION OF ELECTRICAL WIRES AND CABLES - Google Patents

METHOD FOR DETERMINING ELECTRICAL STRENGTH, RELAXATION TIME AND CONDUCTIVITY OF INSULATION OF ELECTRICAL WIRES AND CABLES

Info

Publication number
RU2000121517A
RU2000121517A RU2000121517/09A RU2000121517A RU2000121517A RU 2000121517 A RU2000121517 A RU 2000121517A RU 2000121517/09 A RU2000121517/09 A RU 2000121517/09A RU 2000121517 A RU2000121517 A RU 2000121517A RU 2000121517 A RU2000121517 A RU 2000121517A
Authority
RU
Russia
Prior art keywords
relaxation time
conductivity
cables
insulation
determining
Prior art date
Application number
RU2000121517/09A
Other languages
Russian (ru)
Other versions
RU2195002C2 (en
Inventor
Геннадий Кириллович Новиков
Александр Ильич Смирнов
Владимир Михайлович Бардаков
Любовь Николаевна Новикова
Наталья Романовна Швецова
Галина Витольдовна Маркова
Original Assignee
Иркутский государственный университет
Filing date
Publication date
Application filed by Иркутский государственный университет filed Critical Иркутский государственный университет
Priority to RU2000121517A priority Critical patent/RU2195002C2/en
Priority claimed from RU2000121517A external-priority patent/RU2195002C2/en
Publication of RU2000121517A publication Critical patent/RU2000121517A/en
Application granted granted Critical
Publication of RU2195002C2 publication Critical patent/RU2195002C2/en

Links

Claims (1)

Способ определения электрической прочности, времени релаксации и проводимости изоляции электрических проводов и кабелей, включающий помещение испытуемого образца на поверхность вращающего диска, воздействие электромагнитным полем на испытуемый образец, регистрацию максимального значения электретной разности потенциалов при поляризации этого образца в электромагнитном поле коронного разряда, определение электрической прочности, отличающийся тем, что испытуемый образец, закрепленный в калиброванные отверстия кассеты, помещают в трансформаторное масло, электрическую прочность определяют абсорбционно-компенсационным методом, время релаксации измеряют после прекращения воздействия электромагнитного поля на испытуемый образец, а проводимость вычисляют исходя из времени релаксации и диэлектрической проницаемости образца.A method for determining the electric strength, relaxation time and conductivity of insulation of electric wires and cables, including placing the test sample on the surface of a rotating disk, exposure to the test sample by an electromagnetic field, recording the maximum value of the electret potential difference during polarization of this sample in the electromagnetic field of a corona discharge, determining the electric strength characterized in that the test sample mounted in the calibrated holes of the cartridge is placed in t transformer oil, dielectric strength is determined by the absorption-compensation method, the relaxation time is measured after the cessation of the electromagnetic field on the test sample, and the conductivity is calculated based on the relaxation time and dielectric constant of the sample.
RU2000121517A 2000-08-10 2000-08-10 Procedure establishing electrical strength, relaxation time and conductance of insulation of electric wires and cables RU2195002C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000121517A RU2195002C2 (en) 2000-08-10 2000-08-10 Procedure establishing electrical strength, relaxation time and conductance of insulation of electric wires and cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000121517A RU2195002C2 (en) 2000-08-10 2000-08-10 Procedure establishing electrical strength, relaxation time and conductance of insulation of electric wires and cables

Publications (2)

Publication Number Publication Date
RU2000121517A true RU2000121517A (en) 2002-08-10
RU2195002C2 RU2195002C2 (en) 2002-12-20

Family

ID=20239118

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000121517A RU2195002C2 (en) 2000-08-10 2000-08-10 Procedure establishing electrical strength, relaxation time and conductance of insulation of electric wires and cables

Country Status (1)

Country Link
RU (1) RU2195002C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2624601C1 (en) * 2016-01-20 2017-07-04 федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский национальный исследовательский технический университет" (ФГБОУ ВО "ИРНИТУ") Method of measuring cross-linking degrees of low and high density polyethylene (versions) and device for its realisation
CN109142992A (en) * 2018-07-11 2019-01-04 国网上海市电力公司 A kind of 35 KV cross-linked cable insulation ag(e)ing state evaluating methods

Similar Documents

Publication Publication Date Title
Bodega et al. PD recurrence in cavities at different energizing methods
KR910003395A (en) Partial discharge detection device and method
EP1249706A3 (en) Non-contact voltage measurement method and device, and related detection probe
Pompili et al. PD pulse burst characteristics of transformer oils
Mason Discharge detection and measurements
JPH03209180A (en) Method and device for inspecting insulating system condition
Koch et al. Moisture diagnostics of power transformers by a fast and reliable dielectric response method
RU2000121517A (en) METHOD FOR DETERMINING ELECTRICAL STRENGTH, RELAXATION TIME AND CONDUCTIVITY OF INSULATION OF ELECTRICAL WIRES AND CABLES
Berg et al. Discharges in combined transformer oil/paper insulation
ATE272847T1 (en) A DEVICE FOR MONITORING PARTIAL DISCHARGES IN A HIGH VOLTAGE ELECTRICAL APPARATUS OR IN A HIGH VOLTAGE SYSTEM
CN104655945B (en) A kind of device and method for measuring oil-paper combination insulation space of components distribution of charges
Xu et al. Study of partial discharge activity by excess current
Gutten et al. Diagnostics of construction parts of the dry transformers
Morsalin et al. Influence of cavity geometry on partial discharge measurement at very low frequency
Takada et al. Space charge measurements as a diagnostic tool for power cables
RU2195002C2 (en) Procedure establishing electrical strength, relaxation time and conductance of insulation of electric wires and cables
Bulinski et al. Diagnostic measurements of high voltage insulation using current comparator technology
Hudon et al. Recognition of phase resolved partial discharge patterns for internal discharges and external corona activity
ATE319099T1 (en) DEVICE AND METHOD FOR DETERMINING THE VOLTAGE FREENESS OF MULTIPHASE ELECTRICAL CABLES
Arumugam et al. Electrical Studies to Understand the Water Absorption Behaviour of Polyoxymethylene used for Deep Sea Applications
Gulski et al. Partial discharge detection in generator stator insulation using oscillating voltage waves
SE9804080L (en) Electrical measuring component and use thereof
RU2065608C1 (en) Method of determination of concrete strength
Muramoto et al. PD inception conditions and PD pattern of defects in PILC
RU2491564C1 (en) Device to identify defects of wire insulation