AIMS Power www.aimscorp.net
2-4. Features
High overload ability up to 300% of rated power (20 sec)
Low quiescent current, low power “Power Saving Mode” to conserve energy
4-step intelligent battery charger, PFC (Power Factor Correction) for charger
8 pre-set battery type selector switch plus de-sulphation for totally flat batteries
Powerful charge rate of up to 105Amp, selectable from 0%-100%
10 ms typical transfer time between battery and AC, guarantees power continuity
Smart remote control
15s delay before transfer when AC resumes, extra protection for loads when used with generator
Allows start up and through power with depleted batteries
30A/40A through current ability
Multiple controlled cooling fans
Extensive protections against various harsh situations
13VDC battery recovery point, dedicated for renewable energy systems
2.5 Electrical Performance
2.5.1 Invert
Topology
The Global LF inverter/charger is built according to the following topology.
Invert: Full Bridge Topology.
Charge: Isolate Boost Topology
Because of high efficiency Mosfets and 16bit, 4.9MHZ microprocessor and heavy transformers, it outputs
PURE SINE WAVE AC with an average THD of 15% (min 5%, max 25%) depending of load connected and
the battery voltage.
The peak efficiency of the Global LF series is 88%.
Overload Capacity
The Global LF series inverters have high overload capacities, making it ideal to handle demanding loads.
1 For 110%<Load<125%(±10%), no audible alarm for 14 minutes, beeps 0.5s every 1s in the 15th minute,
and Fault(Turn off) after the 15th minute.
2 For 125%<Load<150%(±10%), beeps 0.5s every 1s and Fault(Turn off) after 1 minute.
3 For 300% Load>150%(±10%), beeps 0.5s every 1s and Fault(Turn off) after 20s.≧
Caution:
After the inverter is switched on, it takes a finite time for it to self diagnose and get ready to deliver full
power. Hence, always switch on the load(s) after a few seconds of switching on the inverter. Avoid switching
on the inverter with the load already switched on. This may prematurely trigger the overload protection.
When a load is switched on, it may require initial higher power surge to start. Hence, if multiple loads are
being powered, they should be switched on one by one so that the inverter is not overloaded by the higher
starting surge if all the loads are switched on at once.
2.5.2 AC Charger
7
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