Design and Realisation of Battery Powered Drivetrains

FAQ's Chargers / Dischargers

What is the difference between a Single Phase Charger and a Three Phase Charger
Is one better than the other?
If so, then how is it better
(e.g. faster charging time? less risk of over-charging? better efficiency?)

A single phase charger is less powerfull (max. 60amps per charger) as it takes the current only from one of the three available phased chargers. Electricity consumption may also become more expensiv as the power supplier charges you by the peak consumed per phase. Where as a three phase charger takes the equal amount of power from all three phases and has therefor more power available and can charge faster (max. 120amps per charger).

The charger specifications mention: Power Supply == 400+/- 15% VAC. The power supplier has to provide 400 V 3 phase with a tolerance of maximum 15% (min voltage 340V maximum voltage 460V)

Why do high frequency battery chargers have success?
Because they guarantee several advantages if compared to the traditional technology ones,
above all because we're talking about "CONTROLLED" battery chargers.

What's the meaning of "CONTROLLED"?
It means that the battery charger is able to make the optimal recharge by succeeding in controlling
and adjusting the current, the voltage and all the charging parameters as stated by the batteries
manufacturers.

Why choose the high frequency chargers of Zivan?
Our “switching” battery chargers, with high performance electronic components, provide more
powerful units. Excellent performance is guaranteed from reduced size units, all at reasonable
prices.

The main advantages are:

High efficiency (higher than 85%) with consequent saving of energy
Weight and size reduced by a factor 10 compared to traditional chargers
Possibility of charging in reduced times without damage to the battery
Charge independent from mains variations
Water consumption reduced by about 50 %, with consequent less battery maintenance
Electronic control allowing the ideal charging curve to be delivered
“Ad hoc” planning for every kind of need
Installation both on wall and on board, for every electric vehicle
Flexibility, the same product can charge different kind and different capacity of batteries thanks to easy adjustments.