JJF 1205-2008 English PDF

JJF 1205-2008_English: PDF (JJF1205-2008)
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
JJF 1205-2008669 Add to Cart 5 days Calibration Specification for Harmonious and Flicker Analysis System Valid
JJF 1205-1990199 Add to Cart 2 days O.T.N. of 0.640μm Wavelength Primary Standard Obsolete

BASIC DATA
Standard ID JJF 1205-2008 (JJF1205-2008)
Description (Translated English) Calibration Specification for Harmonious and Flicker Analysis System
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Classification of International Standard 17.220
Word Count Estimation 29,299
Date of Issue 2008-04-23
Date of Implementation 2008-07-23
Quoted Standard GB 17625.1-2003; GB 17625.2-2007; GB/T 17626.7; GB/T 4365-2003
Drafting Organization Measurement Science and Technology Institute of China
Administrative Organization National Radio Measurement Technical Committee
Regulation (derived from) AQSIQ Announcement No. 45 of 2008
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to new manufacturing, use and post-repair harmonic range of not more than 40 times, to meet the GB 17625. 1-2003 and GB 17625. 2-2007 standard requirements for harmonics and flicker analyzer calibration.


JJF 1205-2008 Calibration Specification for Harmonious and Flicker Analysis System People's Republic of China National Metrology Technical Specifications Harmonics and flicker analyzer calibration specification Posted 2008-04-23 2008-07-23 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Harmonics and flicker analyzer calibration specification This specification by the State Administration of Quality Supervision, Inspection and Quarantine approved on April 23, 2008, and from From July 23, 2008 into effect. Focal point. the National Radio Technical Commission metering Drafting units. China Institute of Metrology The specification of the National Radio Technical Commission responsible for the interpretation of measurement The main drafters of this specification. Wang Weilong (China Institute of Metrology) Xie Ming (China Institute of Metrology) Huang Pan (China Institute of Metrology) Drafters participate. Wu Vanadium (China Institute of Metrology) table of Contents 1 Scope (1) 2. Referenced Documents (1) 3 Terms and Definitions (1) 4 Overview (1) 5 Metrological characteristics (2) Calibration Condition 6 (2) 6.1 environmental conditions (2) Major equipment 6.2 calibration (2) 7 calibration items and calibration methods (3) 7.1 appearance and working properly check (3) 7.2 Current and linear calibration (3) 7.3 Calibration voltage amplitude (3) 7.4 current frequency response calibration (3) 7.5 Power Calibration (4) 7.6 A class of harmonic calibration (4) Class 7.7 D harmonic calibration (4) 7.8 Calibration transient harmonics (4) 7.9 Flashing Calibration (5) 7.10 interharmonic calibration (6) 7.11 entity built calibration reference impedance (6) 7.12 Calibration pure power (7) 8 calibration results expression (8) 9 Recalibration interval (8) Appendix A calibration record format (9) Appendix B Calibration Certificate pages (15) Evaluation of Uncertainty Appendix C Examples (21) Harmonics and flicker analyzer calibration specification 1 Scope This calibration specifications applicable to the manufacture of new harmonic range use and repair after no more than 40 times, to meet GB 17625.1-2003 and harmonics and flicker analyzer calibration GB 17625.2-2007 standard requirements. 2 Citations GB 17625.1-2003 Electromagnetic compatibility - Limits for harmonic current emissions (equipment input current ≤16A) GB 17625.2-2007 Electromagnetic compatibility limits of no more than 16A rated current of the device in low voltage power supply system Voltage fluctuation and flicker generated restrictions GB/T 17626.7 electromagnetic compatibility test and measurement technology power supply systems and equipment connected harmonics, interharmonics Measurements and instrumentation guidelines GB/T 4365-2003 Electrotechnical terminology Electromagnetic Compatibility When using this specification it should be noted that using the currently valid version of the documents cited. 3 Terms and Definitions 3.1 interharmonic interharmonics Those in power supply frequency harmonic frequency components between. 3.2 flicker flicker Luminance or spectral distribution caused by time-varying light stimulation unstable visual effects. 3.3 short-term flicker indicator value Pst short-termflickerindicator Evaluation of short-term (a few minutes) within a blink of severities; Pst = 1 indicates the sensitivity of a conventional threshold. 3.4 Long-term flicker indicator value Plt long-termflickerindicator Severities within Pst flicker with a continuous assessment of the value of time (a few hours). 4 Overview Harmonics and flicker analyzer is mainly used to measure the EUT (equipment under test) injected into the grid at work in harmonic content Volume; changes in its variability and grid voltage EUT caused in the grid frequency. The block diagram shown in Figure 1. 1 harmonics and flicker analyzer block diagram of FIG. ......

Similar standards: JJF 1234   JJF 1396   JJG 376   JJF 2016   JJF 1893   JJF 1204