SIST EN 60156:1997
(Main)Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
Describes an empirical test procedure intended to indicate the presence of contaminants such as water and solid suspended matter, and the advisability of carrying out drying and filtration treatment. Standardized testing procedures and equipment are essential for the unambiguous interpretation of test results.
Isolierflüssigkeiten - Bestimmung der Durchschlagspannung bei Netzfrequenz - Prüfverfahren
Isolants liquides - Détermination de la tension de claquage à fréquence industrielle - Méthode d'essai
Décrit une procédure d'essai empirique destinée à révéler la présence de produits contaminants comme l'eau ou des matières solides en suspension, et de permettre ainsi de décider de l'opportunité d'effectuer un traitement de séchage et de filtration. Les modes opératoires et un équipement normalisés sont essentiels pour interpréter sans ambiguïté les résultats d'essai.
Insulating liquids - Determination of the breakdown voltage at power frequency - Test method (IEC 156:1995)
General Information
- Status
- Published
- Publication Date
- 31-Jul-1997
- Technical Committee
- TPD - Fluids for electrotechnical applications
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Aug-1997
- Due Date
- 01-Aug-1997
- Completion Date
- 01-Aug-1997
Relations
- Effective Date
- 01-Jun-2025
- Effective Date
- 23-Jan-2023
Overview
EN 60156:1995 - Insulating liquids - Determination of the breakdown voltage at power frequency - Test method (published by CLC; identical to IEC 156:1995) specifies an empirical laboratory test to assess the dielectric strength (breakdown voltage) of insulating liquids. The procedure is intended to indicate the presence of contaminants such as water and solid suspended matter, and to help determine whether drying or filtration treatment is advisable. The standard emphasizes the need for standardized testing procedures and equipment to ensure unambiguous interpretation of results.
Key Topics
- Scope and purpose: Defines the objective of the power-frequency breakdown voltage test as a diagnostic for contamination and oil condition.
- Test principle: Empirical method to measure breakdown under power-frequency stress; result used as an indicator of insulating liquid quality.
- Sampling and sample handling: Guidance on obtaining representative samples and avoiding contamination during transport and preparation.
- Test equipment and electrode configuration: Requirements for standardized test cells and electrodes to ensure repeatable measurements.
- Test procedure and reporting: Sequence of steps, number of breakdown measurements, and how to record and report results for consistency.
- Interpretation and action: Using breakdown voltage values to infer contamination (e.g., free or dissolved water, particulate matter) and to decide on remedial actions such as drying or filtration.
- Quality assurance: Importance of calibration, operator competence, and controlled test conditions to achieve reliable, comparable results.
Applications
- Routine transformer oil testing and acceptance testing of insulating liquids in power equipment.
- Condition monitoring by utilities and asset owners to detect contamination early and plan maintenance (drying, filtration).
- Quality control in manufacturing of insulating fluids and components containing dielectric liquids.
- Independent test laboratories performing dielectric strength and breakdown voltage testing for compliance, procurement, and failure investigation.
- Use in maintenance decision-making for electrical equipment such as transformers, switchgear, and bushings.
Who Uses This Standard
- Power utilities and transmission operators
- Transformer manufacturers and service companies
- Accredited test laboratories and quality-control teams
- Maintenance and reliability engineers
- Standards and regulatory bodies referencing dielectric testing methods
Related Standards
- Harmonized with IEC 156:1995 (same test method).
- Often used alongside other insulating-liquid standards and specifications for oil purity, moisture content, and component testing (refer to current IEC/EN series on insulating fluids for complementary methods).
Keywords: EN 60156, insulating liquids, breakdown voltage, power frequency, dielectric strength, transformer oil testing, IEC 156, oil testing, contamination detection.
Frequently Asked Questions
SIST EN 60156:1997 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Insulating liquids - Determination of the breakdown voltage at power frequency - Test method". This standard covers: Describes an empirical test procedure intended to indicate the presence of contaminants such as water and solid suspended matter, and the advisability of carrying out drying and filtration treatment. Standardized testing procedures and equipment are essential for the unambiguous interpretation of test results.
Describes an empirical test procedure intended to indicate the presence of contaminants such as water and solid suspended matter, and the advisability of carrying out drying and filtration treatment. Standardized testing procedures and equipment are essential for the unambiguous interpretation of test results.
SIST EN 60156:1997 is classified under the following ICS (International Classification for Standards) categories: 29.040.01 - Insulating fluids in general. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 60156:1997 has the following relationships with other standards: It is inter standard links to SIST EN IEC 60156:2025, SIST EN IEC 60156:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase SIST EN 60156:1997 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-avgust-1997
Insulating liquids - Determination of the breakdown voltage at power frequency -
Test method (IEC 156:1995)
Insulating liquids - Determination of the breakdown voltage at power frequency - Test
method
Isolierflüssigkeiten - Bestimmung der Durchschlagspannung bei Netzfrequenz -
Prüfverfahren
Isolants liquides - Détermination de la tension de claquage à fréquence industrielle -
Méthode d'essai
Ta slovenski standard je istoveten z: EN 60156:1995
ICS:
29.040.01 Izolacijski fluidi na splošno Insulating fluids in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
SIST EN 60156:
...
The article discusses the standard testing procedure for determining the breakdown voltage at power frequency in insulating liquids. This test helps identify the presence of contaminants like water and solid suspended matter, as well as the need for drying and filtration treatment. The use of standardized testing procedures and equipment is crucial for clear and accurate interpretation of the test results.
The article discusses a standardized testing method, called SIST EN 60156:1997, for determining the breakdown voltage of insulating liquids at power frequency. This test is used to identify the presence of contaminants like water and solid suspended matter, as well as indicate the need for drying and filtration treatments. Standardized testing procedures and equipment are crucial for accurately interpreting the test results.
기사 제목: SIST EN 60156:1997 - 절연유 - 전력 주파수에서의 붕괴 전압 결정 - 시험 방법 기사 내용: 이 기사는 물과 고체 부유 물질과 같은 오염물질의 존재 및 건조 및 여과 처리의 필요성을 나타내기 위해 의도된 경험적 시험 절차에 대해 설명합니다. 표준화된 시험 절차 및 장비는 시험 결과의 명확한 해석에 필수적입니다.
記事タイトル：SIST EN 60156：1997 - 絶縁液 - 電力周波数での耐電圧の決定 - 試験方法 記事内容：この記事は、絶縁液における電力周波数での耐電圧を決定するための標準化された試験手順について説明しています。このテストは、水や固体浮遊物などの汚染物の存在の有無や、乾燥やろ過処理の必要性を確認するのに役立ちます。テスト結果を明確かつ正確に解釈するために、標準化された試験手順と設備の使用が重要です。
기사 제목 : SIST EN 60156:1997 - 절연유 - 전력 주파수에서의 격파 전압 결정 - 시험 방법 기사 내용 : 이 기사는 절연유에서 전력 주파수에서의 격파 전압을 결정하는 표준화된 테스트 절차에 대해 설명합니다. 이 테스트는 물과 고체 혼탁 물질과 같은 오염물질의 존재 여부와 건조 및 여과 처리의 필요성을 확인하는 데 도움이 됩니다. 테스트 결과를 명확하고 정확하게 해석하기 위해 표준화된 테스트 절차와 장비의 사용이 중요합니다.
記事タイトル：SIST EN 60156:1997 - 絶縁液-電力周波数における耐圧力の測定 - 試験方法 記事内容：この記事では、水や固体の懸濁物などの汚染物の存在を示し、乾燥およびろ過処理の実施の適否を示すために意図された経験に基づいた試験手順について説明しています。標準化された試験手順と装置は、試験結果の明確な解釈に不可欠です。
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