Basic Electrical

Definition of Solar Lamp A solar lamp (or solar light) is a lighting device that uses solar energy instead of grid electricity. During the day, a solar panel converts sunlight into electrical energy and stores it in a rechargeable battery. At night, an electronic controller supplies this stored energy to a high-efficiency LED lamp, providing […]

Definition A Maximum Power Point Tracking (MPPT) charge controller is an electronic DC–DC converter used in solar power systems to extract the maximum possible power from photovoltaic (PV) panels and deliver it to batteries or DC loads. Unlike simple PWM controllers that switch the panel directly to the battery voltage, MPPT controllers continuously adjust the

Definition A solar inverter is an electronic device that converts the direct current (DC) generated by photovoltaic (PV) solar panels into alternating current (AC) that can be used by household appliances or exported to the electrical grid. Inverters typically also provide protective functions, system monitoring, and sometimes maximum power point tracking (MPPT) to optimize energy

  Definition House wiring (or residential electrical wiring) refers to the set of conductors, protective devices (circuit breakers/fuses), sockets, switches, light fittings and earthing arrangements installed to distribute electricity within a dwelling. Its primary goals are to provide reliable power and protect people and property from electrical hazards through correct circuit design and protection. Key

The short-circuit (SC) test determines the series equivalent impedance of a transformer (as referred to one side, usually the primary). In the test the transformer’s secondary terminals are shorted and a reduced voltage is applied to the primary so that rated (or required) current flows. Measured quantities are the applied voltage VSC, the input current

An electromagnetic relay is an electrically operated switch that uses an electromagnet to mechanically operate a switching mechanism. When an electric current flows through the coil of the relay, it generates a magnetic field that attracts a movable armature, thereby opening or closing a set of contacts. This allows one electrical circuit to control another

Plate earthing is a method of grounding electrical systems by burying a metallic plate deep into the ground to provide a low-resistance path for fault currents. This ensures the safety of electrical equipment and personnel by preventing electric shocks and minimizing voltage fluctuations.

Lead sheathed wiring is a type of electrical wiring system that uses conductors insulated with rubber and enclosed in a lead-aluminum alloy sheath. This system provides excellent mechanical protection and resistance to environmental factors such as moisture and corrosive gases. It was commonly used in industrial and residential applications in the past but has now