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DIN 41773 PDF

Posted on September 14, 2019 by admin

This specification does not concern legal or safety standards. 26/11/, 1/3. 1 Charging characteristic: IUa (according to DIN ). Regime. Switching. transformer, input PF , low input harmonics (DIN (UI). Find the most up-to-date version of DIN at Engineering

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The voltages in the U and U o phases stages 2 and 3 depend on the type of battery and the temperature.

During this phase, the charge current decreases gradually to a small residual value that compensates for any self-discharge of the battery. In practice, it depends on the capability of the charger. The charger limits the maximum voltage to U maxa constant or temperature-dependent maximum, typically around 2. By using this site, you agree to the Terms of Use and Privacy Policy.

The current in the I-phase stage 1 should be chosen depending on the capacity of the battery. If a battery is connected to a significant load during charging, the end of the Uo-phase may never be reached and the battery will gas and be damaged, depending on the charge current relative to the battery capacity.

Stage 3 is called the U-phase or float charge statethe voltage is reduced to dkn value that is safe to be applied for long periods weeks without significantly reducing the lifetime of the battery. The decrease is imposed by the battery. In this stage, the don is continued being charged at a constant over voltage U obut the charge current is decreasing.

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IUoU battery charging – Wikipedia

Batteries have varying numbers of cells typically six dkn an automotive battery and may be flooded-cell, absorbed-glass-matt AGMor gel-electrolyte types. Stage 2 is called the U o -phaseconstant-voltage boost stageabsorption stageor topping charge. It consists of three phases or stagesto be executed by a battery charger.

Retrieved from ” https: For sin alternating-current system, see Three-phase electric power. Views Read Edit View history. The charging current is a compromise between charging time favoring high currentsthe prevention of damage due to overheating or gassing favoring low currentsand cost of the charger favoring low currents.

From Wikipedia, the free encyclopedia. The three phases are: The voltage U o may be the same as U max in the previous stage, or it may be taken slightly higher. The purpose is to fully charge the battery in a relatively short time without reducing its life span and to indefinitely keep the battery charged as long dih the charger is connected.

As a result of the current, the battery absorbs the charge and its voltage rises. The U o -phase is concluded when the charge current goes below a threshold I rinafter which the U-phase is 411773. Stage 1 is called the I-phaseconstant-current stageor bulk charge stage.

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The charger provides a constant current, typically the maximum current that the charger is capable of producing. IUoU is a DIN -designation [1] DIN for a lead-acid battery charging procedure that is also known as 3-stage charging3-phase chargingor 3-step charging.

An issue of continuity

The voltage in the U o 14773 is too high to be applied indefinitely hence, overvoltagebut it allows charging the battery fully in a relatively short time. This page was last edited on 24 Mayat This phase occurs when an IUoU charger is connected to a deeply discharged battery. A bad battery will have short I-phase and Uo-phase, but there is a risk of gassingfurther damaging the battery.

The battery capacity C is expressed in Ah units, typically the C 20 value based on a hour discharge time. I-phase constant electric currentUo-phase constant over- voltageand U-phase constant voltage.

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