The electrical Engineering

Few Job Updates for Indian Candidates. 👇 Note: These are not any promotion/advertisement from us, It is just to help the needy ones.

⚡️A CIRCUIT BREAKER is a safety device that automatically stops the flow of electricity in an electrical circuit when it becomes overloaded or a short circuit occurs. It is an essential component of any electrical system as it protects the system from damage and prevents accidents due to electrical hazards. The most common types of circuit breakers include: 1⃣ Miniature Circuit Breaker (MCB): MCB is a common type of circuit breaker used in residential and commercial buildings. It protects the electrical circuit from overload and short circuits. It is compact in size and available in different current ratings, making it ideal for use in low-voltage systems. @theelectricalengineering 2⃣ Molded Case Circuit Breaker (MCCB): MCCB is a type of circuit breaker commonly used in industrial applications. It provides protection against overcurrents and short circuits and is available in various sizes and current ratings. MCCBs are durable and can withstand high fault currents. 3⃣ Air Circuit Breaker (ACB): ACB is a type of circuit breaker used in high-voltage systems. It protects the system from overcurrents and short circuits and is designed to handle high fault currents. ACBs are commonly used in power distribution systems. 4⃣ Residual Current Circuit Breaker (RCCB): RCCB is a type of circuit breaker that provides protection against electric shock caused by ground faults. It detects any imbalance between the live and neutral currents and trips the circuit if necessary. 5⃣ Ground Fault Circuit Interrupter (GFCI): GFCI is a type of circuit breaker that provides protection against electric shock caused by ground faults. It is commonly used in areas with high moisture, such as bathrooms and kitchens. ➡In conclusion, circuit breakers are crucial components of electrical systems as they protect the system from damage and prevent accidents. The choice of circuit breaker depends on the specific application and the voltage of the system. 𝗦𝗵𝗮𝗿𝗲 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗳𝗿𝗶𝗲𝗻𝗱𝘀! @theelectricalengineering

Logic Gates with symbol and their Boolean Expression 🫣🔥 @theelectricalengineering

Why AC is more suitable than DC for Long distance Power Transmission? ⚡️Alternating current (AC) is better suited for long-distance power transmission than direct current (DC) due to several reasons: 1⃣ Lower power loss: AC power can be easily stepped up to high voltages for transmission, which reduces the current flowing through the transmission lines. This, in turn, reduces the power loss that occurs due to the resistance of the transmission lines. In contrast, DC power cannot be easily stepped up, so the current flowing through the transmission lines is higher, leading to higher power loss. 2⃣ Ability to use transformers: AC power can be easily transformed using transformers, which are necessary for stepping up the voltage for long-distance transmission and stepping down the voltage for use in homes and businesses. In contrast, DC power cannot be transformed using traditional transformers, so special converters are required for transmission and distribution. @theelectricalengineering 3⃣ More efficient generators: AC generators are simpler and more efficient than DC generators, making them easier to use for large-scale power generation. This is because AC generators can use electromagnetic induction to generate AC power, which is a more efficient process than using a commutator to generate DC power. 4⃣ Lower equipment costs: AC equipment is typically less expensive than DC equipment, making it more cost-effective for long-distance power transmission. 💡Overall, these factors make AC a more efficient and cost-effective option for long-distance power transmission compared to DC. @theelectricalengineering 𝗦𝗵𝗮𝗿𝗲 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗳𝗿𝗶𝗲𝗻𝗱𝘀!

Various Types of Measuring Tools 😍🔥 @theelectricalengineering

Transformer facilitates the delivery of power electric energy at minimum power loss. The basic parts of a transformer are core, the primary winding and secondary winding. Apart from these, there are various other components such as insulation, transformer oil, cooling arrangements, protection relays, enclosure etc present in larger transformers. TRANSFORMER – PRINCIPLE OF OPERATION @theelectricalengineering A transformer is a static device that works on the principle of electromagnetic induction. When an alternating current flows in the primary winding of a transformer, a varying electromagnetic field is generated which induces EMF in the secondary winding. The magnitude of the induced EMF is proportional to the turns ratio. The following are the various transformer parts: @theelectricalengineering •Core •Winding •Insulation •Tank •Terminals and bushings •Transformer oil •Oil Conservator •Breather •Radiators and fans •Explosion vent •Tap Changers •Buchholz relay

Bipolar Junction Transistors (BJTs) are electronic devices used for amplification and switching of electronic signals. They come in two forms: NPN and PNP. Unijunction transistors (UJTs) are three-layer semiconductor devices with one emitter and two bases, and are often used in pulse and timing circuits. Junction field-effect transistors (JFETs) are voltage-controlled devices that use a reverse-biased PN junction to control the flow of current. 1⃣ NPN bipolar: p-type layer sandwiched between two n-type semiconductors; current flows from emitter to collector when a small current is applied to the base. 2⃣ PNP bipolar: n-type layer sandwiched between two p-type semiconductors; current flows from emitter to collector when a small current is applied to the base. @theelectricalengineering 3⃣ P-base unijunction: three-layer semiconductor device with one p-type emitter and two n-type bases; low resistance when emitter is negative relative to first base, high resistance when emitter is positive. 4⃣ N-channel JFET: voltage-controlled device with n-type channel between two p-type regions; current flows from source to drain when a voltage is applied to the gate. 5⃣ N-channel/P-channel IGFET: voltage-controlled device that uses an insulated gate to control the flow of current; N-channel IGFET has n-type channel and p-type substrate, while P-channel IGFET has p-type channel and n-type substrate. 6⃣ N-channel dual-gate IGFET: similar to regular IGFET, but with two gates instead of one; current flows from source to drain when voltage applied to either gate. 7⃣ P-channel dual-gate IGFET: similar to N-channel dual-gate IGFET, but with p-type channel and n-type substrate. 8⃣ P-channel JFET: similar to N-channel JFET, but with p-type channel between two n-type regions. 9⃣ N-base unijunction: three-layer semiconductor device with one n-type emitter and two p-type bases; low resistance when the emitter is positive relative to first base, high resistance when the emitter is negative. 𝗦𝗵𝗮𝗿𝗲 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗳𝗿𝗶𝗲𝗻𝗱𝘀! @theelectricalengineering

Bipolar Junction Transistors (BJTs) are electronic devices used for amplification and switching of electronic signals. They come in two forms: NPN and PNP. Unijunction transistors (UJTs) are three-layer semiconductor devices with one emitter and two bases, and are often used in pulse and timing circuits. Junction field-effect transistors (JFETs) are voltage-controlled devices that use a reverse-biased PN junction to control the flow of current. 1⃣ NPN bipolar: p-type layer sandwiched between two n-type semiconductors; current flows from emitter to collector when a small current is applied to the base. 2⃣ PNP bipolar: n-type layer sandwiched between two p-type semiconductors; current flows from emitter to collector when a small current is applied to the base. @theelectricalengineering 3⃣ P-base unijunction: three-layer semiconductor device with one p-type emitter and two n-type bases; low resistance when emitter is negative relative to first base, high resistance when emitter is positive. 4⃣ N-channel JFET: voltage-controlled device with n-type channel between two p-type regions; current flows from source to drain when a voltage is applied to the gate. 5⃣ N-channel/P-channel IGFET: voltage-controlled device that uses an insulated gate to control the flow of current; N-channel IGFET has n-type channel and p-type substrate, while P-channel IGFET has p-type channel and n-type substrate. 6⃣ N-channel dual-gate IGFET: similar to regular IGFET, but with two gates instead of one; current flows from source to drain when voltage applied to either gate. 7⃣ P-channel dual-gate IGFET: similar to N-channel dual-gate IGFET, but with p-type channel and n-type substrate. 8⃣ P-channel JFET: similar to N-channel JFET, but with p-type channel between two n-type regions. 9⃣ N-base unijunction: three-layer semiconductor device with one n-type emitter and two p-type bases; low resistance when the emitter is positive relative to first base, high resistance when the emitter is negative. 𝗦𝗵𝗮𝗿𝗲 𝘄𝗶𝘁𝗵 𝘆𝗼𝘂𝗿 𝗳𝗿𝗶𝗲𝗻𝗱𝘀! @theelectricalengineering

High Voltage Circuit Breaker Cut Away @theelectricalengineering