2024
Oct
21

Construction Usage & Operating Principle of Light Dependent Resistors LDR’s

light-dependent-resistor-ldr

LDR or Light Dependent Resistor which is also known as photo resistor is a device whose resistivity is a function of the incident electromagnetic radiation. SO we can say that these are light sensitive devices. Other terms which are used for LDR

2024
Oct
16

HVDC & AC TRANSMISSION & DISTRIBUTION SYSTEM FOR ELECTRICAL ENERGY

Generally there are two power transmission and distribution systems that are used to transmit electrical energy i.e. HVDC or High Voltage Direct Current transmission system and HVAC or High Voltage Alternating Current transmission system. Now let’s see the advantages and disadvantages of

2024
Sep
25

Bipolar Junction Transistor | pnp bjt hbt jfet npn Transistor

Bipolar junction transistor bjt schematic diagram

What is a Transistor The transistor is a three-layer semiconductor device that consists of: two n-type layers and one p-type layer of material which is called npn transistor two p-type layers and one n- type layer of material which is called an

2024
Sep
21

Electric Busbar Protection | Bus Bar Differential Protection

Before discussing the types and importance of busbar protections let’s see what is a bus bar? The word bus is derived from Latin word “OMNIBUS” that means common for all, so busbar is actually a common and main part of a power

2024
Sep
11

Define Electrical Energy & Electric Current

What is Electricity? Electricity is a form of energy that can be easily changed to other forms. Electricity comes mainly from 2 sources i.e. Power stations and generators that supply a lot of electricity and normally used in many electrical appliances and industrial

2024
Sep
5

Single Phase & Three Phase Power Electric Circuits & System

Single Phase power circuits Single phase electric power or circuit refers to the distribution of alternating current electric power using a system in which all the voltages of the supply vary in corresponding exactly. Single-phase distribution is used when loads are mostly

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