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JJF 1618-2017 English PDF

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US$489.00 · In stock
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JJF 1618-2017: Calibration Specification for Insulating Oil Dielectric Dissipation Factor and Volume Resistivity Testers
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1618-2017	489	Add to Cart	4 days	Calibration Specification for Insulating Oil Dielectric Dissipation Factor and Volume Resistivity Testers	Valid

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Basic data

Standard ID: JJF 1618-2017 (JJF1618-2017)
Description (Translated English): Calibration Specification for Insulating Oil Dielectric Dissipation Factor and Volume Resistivity Testers
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A55
Classification of International Standard: 17.220
Word Count Estimation: 21,294
Date of Issue: 2017-02-28
Date of Implementation: 2017-05-28
Quoted Standard: JJG 690-2003; JJG 1005-2005; GB/T 5654-2007; GB/T 16927.2-2013; GB/T 21216-2007; DL/T 421-2009
Regulation (derived from): General Administration of Quality Supervision, Inspection and Quarantine No. 23 of 2017
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine
Summary: This standard applies to the insulating oil dielectric loss factor and the volume resistivity tester (hereinafter referred to as oil damage meter) calibration. This standard does not apply to high voltage dielectric loss factor tester and high voltage capacitance bridge calibration.

JJF 1618-2017: Calibration Specification for Insulating Oil Dielectric Dissipation Factor and Volume Resistivity Testers

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calibration Specification for Insulating Oil Dielectric Dissipation Factor and Volume Resistivity Testers National Metrological Technical Code of the People's Republic of China Insulation oil dielectric loss factor and volume resistivity Tester calibration specification CalibrationSpecification forInsulatingOilDielectricDissipation 2017-02-28 released 2017-05-28 Implementation State Administration of Quality Supervision, Inspection and Quarantine issued Insulation oil dielectric loss factor and volume Resistivity tester calibration specification Unit. National Electromagnetic Metrology Technical Committee High Pressure Metering Subcommittee The main drafting unit. Henan Institute of Metrology National high voltage metering station Participated in the drafting unit. State Grid Anwei Electric Power Company Electric Power Research Institute State Grid Hunan Electric Power Company Electric Power Research Institute Shanghai think of a new electrical Equipment Co., Ltd This specification is commissioned by the National Electromagnetic Metrology Technical Committee of the High Pressure Metrology Subcommittee. The main drafters of this specification. Zhou Bingshi (Henan Institute of Metrology) Jia Hongbin (Henan Institute of Metrology) Wang Siqi (National High Voltage Metering Station) Li Lan (Henan Institute of Metrology) Participate in the drafters. Zhu Qi (State Grid Anwei Electric Power Company Electric Power Research Institute) Liu Hong (State Grid Hunan Electric Power Company Electric Power Research Institute) Zhu Bin (Shanghai think of a electrical equipment Limited)

Introduction (II) 1 Scope (1) 2 References (1) 3 terms and units of measurement (1) 3.1 Dielectric Loss Factor (1) 3.2 Insulation oil volume Resistivity (1) 4 Overview (1) 5 Metrological characteristics (2) 5.1 Maximum allowable error of dielectric loss factor (2) 5.2 Maximum allowable capacitance tolerance (3) 5.3 Volume resistivity maximum allowable error (3) 5.4 Maximum allowable temperature error (3) 5.5 Maximum allowable error of high voltage supply voltage (3) 6 Calibration conditions (3) 6.1 Environmental conditions (3) 6.2 Measurement standards and other equipment (3) 7 Calibration items and calibration methods (4) 7.1 Calibration items (4) 7.2 Calibration method (4) 8 Calibration results (7) 8.1 Calibration Certificate (7) 8.2 Assessment and presentation requirements for measurement uncertainty (8) 9 re-school time interval (8) Appendix A Example of Calibration Uncertainty Evaluation (9) Appendix B Calibrate Original Record Format (13) Appendix C Calibration Certificate Inside Page Format (15)

Introduction

This specification is based on JJF 1071-2010 "national measurement calibration standard preparation rules", JJF 1001-2011 "pass Metrological terms and definitions ", JJF 1059.1-2012" Measurement Uncertainty Assessment and Representation ". This specification is the first release. Insulation oil dielectric loss factor and volume resistivity Tester calibration specification

1 Scope

This specification applies to insulating oil medium loss factor and volume resistivity tester (hereinafter referred to as oil resistance meter) calibration. This specification does not apply to the calibration of high voltage dielectric loss factor testers and high voltage capacitive bridges.

2 reference file

This specification refers to the following documents. JJG690-2003 high insulation resistance measuring instrument (high resistance meter) Electronic Insulation Resistance Table of JJG1005-2005 Measurement of relative permittivity, dielectric loss factor and DC resistivity of liquid insulating materials GB/T 5654-2007 High voltage test technology - Part 2. Measurement systems GB/T 16927.2-2013 GB/T 21216-2007 Test method for determination of dielectric loss factor for conductance and capacitance of insulating liquids Method for determination of resistivity of oil for electric power GB/T For dated references, only the dated edition applies to this specification; references that are not dated , The latest version (including all modifications) applies to this specification.

3 terms and units of measurement

3.1 dielectric loss factor dielectricdissipationfactor The dielectric loss factor (tanδ) is the tangent of the loss angle. 3.2 Insulation oil volume Resistivity insulatingoilvolumeresistivity Insulation oil volume Resistivity is the size of the resistance of the liquid medium in the unit volume, in units of Ω · m.

4 Overview

The oil loss meter is the instrument that measures the dielectric loss factor and volume resistivity of the insulating oil. Including oil cups, temperature control systems, Measurement circuit (signal processing unit and signal measurement unit), AC-DC high voltage power supply, capacitance standard, volume resistance Rate measurement system. Dielectric loss factor and capacitance measurement principle shown in Figure 1. standard circuit built-in high stability capacitor standard Cn and the standard circuit sampling resistor Rsn composition; test route by the test oil (Cx1, Rx) and the test circuit sampling power Resistance Rsx composition. Cx1 is the equivalent capacitance of the oil, Rx is the equivalent resistance of the oil to produce various losses. HV is AC high voltage source. Dielectric loss factor measurement method using positive connection method. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1618-2017_English be delivered?

Answer: Upon your order, we will start to translate JJF 1618-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1618-2017_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1618-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.