ENERJİTEM three-phase rectifier for NiCd batteries, NiCd battery charger, with 380V AC input / 24V DC output, 25 Ah, without batteries

ENERJİTEM Three-Phase Rectifier for NiCd Batteries, NiCd Battery Charger, with 380 VAC Input Voltage / 24 VDC Output Voltage, 25 Ah, without Batteries

A NiCd battery charger, for Nickel-Cadmium batteries, is an electronic device that controls current and voltage, designed to safely charge rechargeable NiCd batteries or battery packs. For NiCd batteries to have a long operating life, the output values of the charger, 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 Stage: The charger maintains a constant current until the battery is charged. The battery voltage gradually increases during the charging process.

Cell Voltage Monitoring: The nominal voltage of NiCd cells is approximately 1.2V. 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 charge mode when a -ΔV curve, i.e., a negative voltage delta, is detected.

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 output current in amperes and voltage in volts in an industrial rectifier.

Final Result
To charge a NiCd battery, the rectifier must have a constant current mode, and the output current should be set to 10% of the battery's ampere-hour capacity, i.e., 0.1C, and the total output voltage should be determined so that it does not exceed the number of series-connected cells × 1.42V.

2-year warranty.

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