IEC 62576:2009 pdfダウンロード

IEC 62576:2009 pdfダウンロード。Electric double-layer capacitors for use in hybrid electric vehicles – Test methods for electrical characteristics
1 Scope
This standard describes the methods for testing electrical characteristics of electric doublelayer capacitor cells (hereinafter referred to as capacitor) to be used for peak power assistance in hybrid electric vehicles.
2 Normative references
The following referenced documents are indispensable for the application of this document.
For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60068-1 :1 988, Environmental testing – Part 1: General and guidance Amendment 1 (1 992)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
reference temperature
reference temperature (°C) to be used in the test
3.2
ambient temperature
ambient temperature of the surrounding space in which a capacitor is placed
3.3
upper category temperature
highest ambient temperature that a capacitor is designed to operate continuously
3.4
lower category temperature
lowest ambient temperature that a capacitor is designed to operate continuously
3.5
applied voltage
voltage (V) applied between the terminals of a capacitor
3.6
rated voltage
U R
maximum d.c. voltage (V) that may be applied continuously for a certain time under the upper category temperature to a capacitor so that a capacitor can exhibit specified demand characteristics. This voltage is the setting voltage in capacitor design
NOTE The endurance test using the rated voltage is described in Annex A.
3.7
charge current
I c
current (A) required to charge a capacitor
3.8
discharge current
I d
current (A) required to discharge a capacitor
3.9
stored energy
energy (J) stored in a capacitor
3.1 0
charge accumulated electrical energy
amount of charged energy (J) accumulated from the beginning to the end of charging
3.1 1
discharge accumulated electrical energy
amount of discharged energy (J) accumulated from the beginning to the end of discharging
3.1 2
calculation start voltage
voltage (V) at a selected start point for calculating the characteristics including capacitance under a state of voltage decrease during discharge
3.1 3
calculation end voltage
voltage (V) at a selected end point for calculating the characteristics including capacitance under a state of voltage decrease during discharge
3.1 4
capacitance
ability of a capacitor to store electrical charge (F)
3.1 5
nominal capacitance
C N
nominal capacitance value (C N ) to be used in design and measurement condition setting (F),generally, at the reference temperature
3.1 6
internal resistance
combined resistance (Ω) of constituent material specific resistance and inside connection resistance of a capacitor
3.1 7
nominal internal resistance
R N
nominal value of the internal resistance (R N ) to be used in design and measurement condition setting (Ω), generally at the reference temperature
3.1 8
constant voltage charging
method of charging a capacitor at specified voltage continuously