BS EN IEC 62576:2018
$167.15
Electric double-layer capacitors for use in hybrid electric vehicles. Test methods for electrical characteristics
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 34 |
IEC 62576:2018 is also available as /2 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 62576:2018 describes the methods for testing electrical characteristics of electric double-layer capacitor cells (hereinafter referred to as capacitor) to be used for peak power assistance in hybrid electric vehicles. This second edition cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) information on applicability of this document has been added in Clause 1; b) the definitions of some terms in Clause 3 have been improved; c) the description of test procedures in Clause 4 has been clarified; d) information on endurance cycling test has been added (Annex E).
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 5 | English CONTENTS |
| 7 | FOREWORD |
| 9 | INTRODUCTION |
| 10 | 1 Scope 2 Normative references 3 Terms and definitions |
| 13 | 4 Tests methods 4.1 Capacitance, internal resistance, and maximum power density 4.1.1 Circuit for measurement 4.1.2 Test equipment Figures Figure 1 – Basic circuit for measuring capacitance, internal resistanceand maximum power density |
| 14 | 4.1.3 Measurement procedure Figure 2 – Voltage–time characteristics between capacitor terminals in capacitance and internal resistance measurement |
| 15 | 4.1.4 Calculation method for capacitance 4.1.5 Calculation method for internal resistance |
| 16 | 4.1.6 Calculation method for maximum power density 4.2 Voltage maintenance characteristics 4.2.1 Circuit for measurement |
| 17 | 4.2.2 Test equipment Figure 3 – Basic circuit for measuring the voltage maintenance characteristics |
| 18 | 4.2.3 Measurement procedures Figure 4 – Time characteristics of voltage between capacitor terminals in voltage maintenance test |
| 19 | 4.2.4 Calculation of voltage maintenance rate 4.3 Energy efficiency 4.3.1 Circuit for test 4.3.2 Test equipment |
| 20 | 4.3.3 Measurement procedures Figure 5 – Voltage-time characteristics between capacitor terminals in charging/discharging efficiency test |
| 21 | 4.3.4 Calculation of energy efficiency |
| 23 | Annexes Annex A (informative) Endurance test: continuous application of rated voltage at high temperature A.1 General A.2 Test procedure A.2.1 Test condition A.2.2 Test procedure A.2.3 Judgment criteria |
| 25 | Annex B (informative) Heat equilibrium time of capacitors B.1 General B.2 Heat equilibrium time of capacitors Figure B.1 – Heat equilibrium times of capacitors (from 85 °C to 25 °C) |
| 26 | Figure B.2 – Heat equilibrium times of capacitors (from −40 °C to 25 °C) Figure B.3 – Temperature changes of capacitors’ central portions |
| 27 | Annex C (informative) Charging/discharging efficiency and measurement current C.1 General C.2 Charging efficiency, discharging efficiency, and current |
| 29 | Annex D (informative) Procedures for setting the measurement current of capacitor with uncertain nominal internal resistance D.1 General D.2 Current setting procedures for measurement of capacitor D.3 Example of setting current for determining capacitor characteristics Tables Table D.1 – Example of setting current for measurement of capacitor |
| 30 | Annex E (informative) Endurance cycling test E.1 General E.2 Test method E.2.1 Test temperature E.2.2 Test equipment E.2.3 Preconditioning E.2.4 Initial measurements E.2.5 Test steps |
| 31 | E.2.6 Test E.2.7 End of test criteria Figure E.1 – Endurance cycling test steps |
| 32 | E.2.8 Post-treatment E.2.9 Final measurement E.2.10 Acceptance criteria |
| 33 | Bibliography |
