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A power and control diagram is a visual representation of the electrical connections and components in a system.
Power and control diagrams show how power is distributed and controlled within a system.
They typically include symbols for components such as motors, switches, and relays.
Lines on the diagram represent electrical connections between components.
Power and control diagrams are essential for troubleshooting elect...
posted on 4 Feb 2023
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posted on 7 Aug 2024
3 phase power has three conductors carrying three alternating currents, while 1 phase power has only one conductor carrying one alternating current.
3 phase power is more efficient for high power applications
1 phase power is commonly used in residential buildings
3 phase power provides a more balanced power supply compared to 1 phase power
kW is a unit of real power while kVA is a unit of apparent power in electrical engineering.
kW stands for kilowatts and represents the actual power consumed by a device or system.
kVA stands for kilovolt-amperes and represents the total power in an electrical system, including both real and reactive power.
The difference between kW and kVA is due to the presence of reactive power in the system.
In an ideal system with unit...
Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
Transformers consist of two coils of wire, known as the primary and secondary coils.
When an alternating current flows through the primary coil, it creates a changing magnetic field around it.
This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy between...
Types of AC motors include induction motors, synchronous motors, and brushed and brushless DC motors.
Induction motors: most commonly used type, simple design, reliable, low cost
Synchronous motors: maintain constant speed, used in applications requiring precise speed control
Brushed DC motors: use brushes to conduct current, simple design, easy to control speed
Brushless DC motors: more efficient, longer lifespan, no brus
posted on 15 Feb 2024
Positive thinking myself
There are several types of transformers and bus bars used in electrical systems.
Transformers can be classified based on their construction, voltage level, and application.
Common types of transformers include power transformers, distribution transformers, and instrument transformers.
Bus bars are used to distribute electrical power in a system and can be categorized as rigid or flexible.
Examples of bus bar types include ...
The motor working process involves converting electrical energy into mechanical energy.
Electricity is supplied to the motor, which creates a magnetic field.
The magnetic field interacts with the motor's coils, causing them to rotate.
The rotating coils generate mechanical energy, which can be used to power various devices.
Different types of motors, such as AC motors and DC motors, have variations in their working process
I applied via Naukri.com and was interviewed in Dec 2019. There were 4 interview rounds.
I applied via Campus Placement and was interviewed before Mar 2020. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jun 2023. There were 3 interview rounds.
Basic Question in C and C++ , and Technical Based Question in C and C++
Swapping Method, Prime Number , Star Patterns, Number Patterns
Packing, dispensing , work details, any work that done before
I applied via Approached by Company and was interviewed before Apr 2022. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Oct 2021. There were 3 interview rounds.
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