Hyundai i-30: Charging System / Description and operation

The charging system includes a battery, an alternator with a built-in regulator, and the charging indicator light and wire.

The Alternator has eight built-in diodes, each rectifying AC current to DC current.

Therefore, DC current appears at alternator "B" terminal.

In addition, the charging voltage of this alternator is regulated by the battery voltage detection system.

The main components of the alternator are the rotor, stator, rectifier, capacitor brushes, bearings and V-ribbed belt pulley. The brush holder contains a built-in electronic voltage regulator.

Alternator management system controls the charging voltage set point in order to improve fuel economy, manage alternator load under various operating conditions, keep the battery charged, and protect the battery from over-charging. ECM controls generating voltage by duty cycle (charging control, discharging control, normal control) based on the battery conditions and vehicle operating conditions.

The system conducts discharging control when accelerating a vehicle. Vehicle reduces an alternator load and consumes an electric power form a battery.

The system conducts charging control when decelerating a vehicle. Vehicle increases an alternator load and charges a battery.

Charging System

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Components and components location

Components 1. ECM 2. Battery 3. Alternator 4. Starter 5. Instrument Cluster 6. Ignition switch or start/stop button 7...

Other information:

Hyundai i30 (PD) 2018-2023 Owner's Manual: Engine compartment fuse panel (Battery terminal cover)

Inside the fuse/relay box cover, you can find the fuse/relay label describing fuse/relay names and ratings. Information Not all fuse panel descriptions in this manual may be applicable to your vehicle; the information is accurate at the time of printing...

Hyundai i30 (PD) 2018-2023 Service Manual: EGR Pressure Sensor

Description and operation Description The EGR Pressure Sensor is installed on the differential pressure valve and measures the pressure of the exhaust gas recirculation. Specifications Specification Pressure [kPa (kgf/cm², psi)] Output Voltage (V) 10 (0...