1 Charging characteristic - Sonnenschein

1 IUIa Charging characteristic for gel-type VRLA Batterieswith grid type (GiV) and tubular type (PzV/PzVB) platesWe reserve the right to discontinue or change specification any time without notice or specification does not concern legal or safety , 1/31 Charging characteristic :IUIa (according to DIN 41773)RegimeSwitchingError message andinterruptI1 phaseI1 : permitted values for PzV / PzVB0,6 * IN I1 0,75 * IN 12A/100Ah C5 I1 15A/100Ah C5I1 : permitted values for GiV0,6 * IN I1 0,9 * IN 12A/100Ah C5 I1 18A/100Ah C5U = 2,35V/cell (T = 30 C)duration : t1t1 max. 9hU 2,50V/cellt1 > 9hU phaseU = 2,35V/cell (T = 30 C)I2 (see below)duration : t2(t1 + t2) max : 12hU 2,50V/cell(t1 + t2) > 12hI2 phaseI2 = constantI1 : permitted values for PzV / PzVB0,055 * IN I1 0,0675 * IN 1,1A/100Ah C5 I1 1,35A/100Ah C5I1 : permitted values for GiV0,055 * IN I1 0,08 * IN 1,1A/100Ah C5 I1 1,6A/100Ah C5duration: t3 Duration of t3 is equally the duration ofmain Charging time, but minimum 1 h andmaximum 4 =+ U 2,8V/cellt3 > 4h(t1 + t2 + t3) > 16hOption: Float chargeUFloat = 2,30V/cell (T = 30 C)orIFloat = I2 Without time limitUon = 2,15V/cellUout = 2,30V/cell (T = 30 C)Without time limitU 2,50V/cellEqualisation chargeTotal voltage 48V: Equalisationcharge is not voltage > 48V: Equalisationcharge every 4 = 2 * I2I = 0 Aduration tp1: 15min with Ipduration tp0.

2 15min with I = 0A24 pulses = 24 * (15min Ip + 15min 0A)duration of equalisation chargetEC = 12hU 2,8V/celltEC > 12hIN = C5 / 5 hIUIa Charging characteristic for gel-type VRLA Batterieswith grid type (GiV) and tubular type (PzV/PzVB) platesWe reserve the right to discontinue or change specification any time without notice or specification does not concern legal or safety , 2/3 Regulations :According to DIN 41773 Generally: A discharge of the battery after the end of charge orpausing during float charge caused by charger, electricswitching devices, ventilation system, displays etc. shouldbe prevented. 3 phase chargers:Connection to mains must be independent of rotation of thefield. Soft Startto prevent damage at contacts due to sparks Indication/Display: Charging / Charging finished / float charge / error Battery temperature during Charging :-20 C T < 50 Cat T > 50 C Charging has to be stopped Temperature differences betweensingle monoblocsdT = Tmax - Tmin :dT 5K Temperature range and temperaturecompensated charge voltage:1) If the temperature of the battery is permanently in therange of 20 - 40 C a temperature compensatedvoltage is not ) If the battery temperature differs permanently from thisrange the Charging voltage has to be of temperature controlled voltage:T = ( Tmax + Tmin ) / 22a) T 0 C 2,45V/cellT = + 50 C 2,25V/cellIn between linear with slope of:dU / dT = - 4mV/K/cell2b) T 0 C 2,45V/cellT = +20 C 2,35V/cellT = +40 C 2,35V/cellT = +50 C 2,25V/cellIn between linear AC ripple.

3 Ieff 0,25 * IN 5 A / 100 Ah (C5) for 50 100Hz Increase of temperature duringcharging:maximum 10 C Tolerances:according DIN 41773 For fluctuations of mains voltage of 10% and forfluctuations of mains frequency of 2%:U : 1%I: 1%time : 5min. For tp1 and tp0: : 1K Drain (current from battery into charger): 10 mA/100 Ah (C5) Protection in case of reversedpolarity:In case of reversed polarity the charger must not work. Protection in case of short circuit:In case of a short circuit of the battery via the charger a fuseor equivalent circuit breaker has to open the circuit fast. Recharge of deep dischargedbatteries:The recharge of deep discharged batteries with a voltage ofU 0,625 * Unominal has to be Charging characteristic for gel-type VRLA Batterieswith grid type (GiV) and tubular type (PzV/PzVB) platesWe reserve the right to discontinue or change specification any time without notice or specification does not concern legal or safety , 3/3 Charging Voltage for GiV and PzV / PzVB Batteries for IUIa- Charging characteristic2,20 Vpc2,25 Vpc2,30 Vpc2,35 Vpc2,40 Vpc2,45 Vpc2,50 Vpc-10 C0 C10 C20 C30 C40 C50 CBattery Temperaturecell VoltageStepsConstantLinearTiming of 2nd constant current phase in dependance of Main Charging Time0 h1 h2 h3 h4 h5 h0 h1 h2 h3 h4 h5 h6 hMain Charging Time I1/IN*(t1 + t2)

4 Time for 2nd constant current phase t3 StepsConstantLinear2 ApplicationThis Charging technology should be applied to the battery types dryfit - traction, dryfit - traction blockdryfit - A500C and DTP drivemobil Gel in cyclic motive power application. It is not permitted to apply it tostationary batteries. For Electric and Hybrid Road Vehicle application see appropriate specification.