Energiespeicher SOE und SOC
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SOC) und die maximal verfügbare Batterie-kapazität (State-of-Health, SOH) essenziell. Ermittlung der Batterieparameter SOC und SOH Das Batteriemanagement des Fraunhofer IIS ist in der Lage, die wichtigen Batterie- parameter SOC und SOH exakt zu ermitteln. Dabei kombiniert das BMS mehrere Verfah-ren zur Restkapazitätsbestimmung. Neben
What is a state of energy (SOE) in a battery?
Therefore, Mamadou et al. proposed a new indicator, state of energy (SOE) (Cummings and Swartz 2017 ), to represent the battery’s remaining energy. The SOE is the ratio between the battery’s remaining energy to the nominal energy. $$ SOE = \frac { {E_ { {remaining}} }} { {E_ { {rated}} }} $$ where \ ( E_ { {rated}} \) is the nominal energy.
What is a state of energy (SOE) indicator?
Further, the high energy loss due to the battery’s internal heat generation at high current cannot be captured by the SOC indicator. Therefore, Mamadou et al. proposed a new indicator, state of energy (SOE) (Cummings and Swartz 2017 ), to represent the battery’s remaining energy.
What is a SOE in a battery?
Chang et al. 10 define in Equation (1.1) the SoE as a state that relates to pseudo-power’, pOC , which is the product of the OCV and current. The losses that occur during operation are thus not taken into account, and the definition correlates with the energy that is stored in the battery.
What is SOC in a battery?
Provided by the Springer Nature SharedIt content-sharing initiative Policies and ethics SOC is usually used to predict the remaining energy of the battery. However, the battery’s remaining energy depends on the load current profile, which is not considered by the SOC indicator. Further, the high energy loss due to the battery’s internal heat
What is a SOE in chemistry?
The SoE is not clearly defined in the existing literature. However, the basic idea is largely uniform: The SoE represents the energy state of a cell, i. e., the residual energy normalized to a specific reference energy value. We assign the definitions from the literature roughly to two concepts and list them in Table 1 and Table 2.
How is the state of stored energy (SOE) calculated?
In [8, 14 ,26, 33, 34] the SoE is estimated based on the extended Kalman filter (EKF). In Wang et al. estimate the State of stored Energy with a Thevenin model, whereas the model parameters are identified with the least-square algorithm. 33 Zhang et al. 14 also determine the SoE by estimating the OCV.