EP 1214606 A1 20020619 - METHOD FOR COMPENSATING FOR MEASUREMENT ERRORS THAT OCCUR WHILE MEASURING CURRENT IN AN ENERGY STORE
Title (en)
METHOD FOR COMPENSATING FOR MEASUREMENT ERRORS THAT OCCUR WHILE MEASURING CURRENT IN AN ENERGY STORE
Title (de)
VERFAHREN ZUR MESSFEHLERKOMPENSATION BEI DER STROMERFASSUNG IN EINEM ENERGIESPEICHER
Title (fr)
PROCEDE DE COMPENSATION D'ERREURS DE MESURE INTERVENANT LORS DE LA DETECTION DE COURANT DANS UN ACCUMULATEUR D'ENERGIE
Publication
Application
Priority
- DE 0004654 W 20001223
- DE 10001340 A 20000114
Abstract (en)
[origin: WO0151945A1] The invention relates to a method for compensating for the measurement error that occurs while measuring current in an energy store (1). According to the method, the current is measured using a first current transformer (9) and a second current transformer (10) for higher currents, and the transformer values (14, 15) of both current transformers (9, 10) are converted into measured values (17) in an evaluation electronic unit (13). Once they have reached a threshold (24), the measured values for the battery current IBatt. (6) are measured using both current transformers (9, 10). The resulting measurement is used to determine the offset (27) of one current transformer (10) and the measured values (30) thereof are corrected by the amount of said offset.
IPC 1-7
IPC 8 full level
G01R 19/00 (2006.01); G01R 31/36 (2006.01); H01M 10/48 (2006.01)
CPC (source: EP US)
G01R 31/3648 (2013.01 - EP US); G01R 31/382 (2018.12 - EP US)
Citation (search report)
See references of WO 0151945A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 0151945 A1 20010719; DE 10001340 A1 20010809; DE 10001340 B4 20081127; EP 1214606 A1 20020619; JP 2003519803 A 20030624; US 2002158638 A1 20021031; US 6583626 B2 20030624
DOCDB simple family (application)
DE 0004654 W 20001223; DE 10001340 A 20000114; EP 00991123 A 20001223; JP 2001552106 A 20001223; US 93647101 A 20010913