ENERJITEM Three-Phase Rectifier for NiCd Batteries, NiCd Battery Charger, with Input Voltage 380V AC / Output Voltage 24V DC, 60 Ah, without Batteries

ENERJİTEM Three-Phase NiCd Rectifier, NiCd Battery Charger, with 380 VAC Input Voltage / 24 VDC Output Voltage, 60 Ah, without batteries

A NiCd battery charger, also known as a nickel-cadmium battery charger, is an electronic device that controls current and voltage, designed to safely charge rechargeable batteries or battery packs with NiCd chemistry. For NiCd batteries to have a long service life, the charger's output values, i.e., the rectifier, must be precisely adjusted according to the battery's ampere-hour capacity and the number of cells.

How does a NiCd battery charger work?
NiCd batteries, by their nature, require constant current charging. The charging process consists of the following stages and principles:

Constant Current Phase: The charger maintains a constant current until the battery is charged. The battery voltage gradually increases during charging.

Cell Voltage Monitoring: The nominal voltage of NiCd cells is approximately 1.2 volts. During charging, this voltage reaches 1.4V to 1.45V per cell.

Charge Termination Methods, Delta V: When NiCd batteries reach full charge, a slight voltage drop occurs. Smart chargers terminate charging or switch to float charging mode upon detecting a -ΔV curve, i.e., negative delta voltage.

Temperature Monitoring, ΔT / Δt: Fully charged NiCd batteries begin to convert energy into heat. Safe devices detect a sudden temperature rise and cut off the current.

How should the rectifier output be according to the battery's ampere-hour capacity?
There is a direct mathematical relationship between the ampere-hour capacity of NiCd batteries and the current (amperes) and voltage (volts) output values in an industrial rectifier.

Conclusion
To charge a NiCd battery, the rectifier must have a constant current mode, the output current must be set to 10% of the battery's ampere-hour capacity (0.1C), and the total output voltage must not exceed the number of series-connected cells x 1.42 V.

2-year warranty.

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