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I was interviewed in Jan 2025.
Yes, 3 Phase autoreclosure can be used at 400KV line with pros and cons.
Pros: Improved system reliability, reduced outage duration, automatic fault clearing
Cons: Increased wear on equipment, potential for re-ignition of faults, coordination challenges with other protection devices
1 phase AR is not used in 132KV lines due to limitations in fault detection and protection coordination.
1 phase AR lacks fault detection capabilities for all three phases
Coordination with other protection devices becomes difficult with 1 phase AR
Risk of incorrect tripping due to lack of complete system information
Potential for increased downtime and damage to equipment in case of faults
Dead time of 1 second is commonly used in protection systems to allow for accurate fault detection and coordination.
Dead time of 1 second is a standard value used in protection systems to account for relay operation time and communication delays.
It helps prevent false tripping by allowing for transient conditions to stabilize before initiating a trip.
For example, in a distance relay setting, a dead time of 1 second ens...
Reclaim time is 25 seconds to ensure proper coordination and selectivity of protection devices.
Reclaim time is set to allow downstream protective devices to clear faults before the upstream device operates.
It helps in preventing unnecessary tripping of healthy parts of the system.
The 25-second reclaim time is a standard value used in protection coordination studies.
Adjusting the reclaim time can impact the selectivity
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I applied via Company Website and was interviewed before Aug 2020. There were 3 interview rounds.
I applied via Company Website and was interviewed before Dec 2022. There were 4 interview rounds.
I am an experienced Electrical Engineer with a passion for designing and implementing innovative solutions.
I have a strong background in electrical engineering, with a focus on power systems and control systems.
I have successfully designed and implemented electrical systems for various projects, including commercial buildings and industrial plants.
I am skilled in using CAD software for electrical design and have experi...
I can provide the required documents and discuss salary and joining details.
I can provide all necessary documents such as resume, certifications, and transcripts.
My current base salary is $X per year.
I expect a base salary in the range of $Y to $Z per year.
I am available to join within X weeks/months.
I can discuss further details during the interview.
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
I applied via LinkedIn and was interviewed before Apr 2022. There were 2 interview rounds.
A power transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
Power transformers are used to step up or step down voltage levels in electrical power transmission and distribution systems.
They consist of a primary winding, a secondary winding, and a magnetic core.
When an alternating current flows through the primary winding, it creates a magne...
I applied via Monster and was interviewed before Oct 2020. There were 3 interview rounds.
Yes, electrical load calculation is the process of determining the amount of power that a building or electrical system requires.
Electrical load calculation involves considering the power requirements of various electrical devices and appliances in a building or system.
Factors such as voltage, current, and power factor are taken into account during the calculation.
Load calculation helps in determining the appropriate s...
Developed a new power distribution system for a large manufacturing plant, resulting in a 20% increase in efficiency.
Designed and implemented a new power distribution system for a large manufacturing plant
Collaborated with a team of engineers and technicians to ensure successful installation and operation
Resulted in a 20% increase in efficiency and significant cost savings for the company
Speed control methods of induction motor include voltage control, frequency control, and rotor resistance control.
Voltage control: By varying the voltage supplied to the motor, the speed can be controlled.
Frequency control: By changing the frequency of the power supply to the motor, the speed can be adjusted.
Rotor resistance control: By inserting external resistance in the rotor circuit, the speed can be regulated.
Vari...
I applied via Job Portal and was interviewed before Apr 2022. There were 2 interview rounds.
PCB stands for Printed Circuit Board, a board made of non-conductive material with conductive tracks for electronic components.
PCB is used to mechanically support and electrically connect electronic components using conductive pathways.
It is made of non-conductive material like fiberglass, with copper tracks to connect components.
PCBs can be single-sided, double-sided, or multi-layered depending on the complexity of th...
Active components require a power source to operate, while passive components do not.
Active components require an external power source to function, such as transistors and integrated circuits.
Passive components do not require an external power source, such as resistors and capacitors.
Active components can control the flow of electricity, while passive components simply store or dissipate energy.
Examples of active comp...
Resistance is the opposition to the flow of current in a circuit, while a capacitor stores and releases electrical energy.
Resistance limits the flow of current, while a capacitor stores and releases charge.
Resistance is measured in ohms, while capacitance is measured in farads.
Examples of resistors include carbon film resistors, while examples of capacitors include ceramic capacitors.
Resistance dissipates energy in the...
SMT stands for Surface Mount Technology, a method of electronic component assembly where components are mounted directly onto the surface of a printed circuit board (PCB).
SMT components are smaller and lighter than through-hole components, allowing for higher component density on PCBs.
SMT components are typically mounted using solder paste and reflow soldering techniques.
SMT technology allows for automated assembly pro...
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Electrical Engineer
88
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Senior Associate Engineer
50
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Electrical Designer
50
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Project Control Engineer
50
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Senior Associate Electrical Engineer
36
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Black & Veatch
AECOM
Jacobs Engineering Group
Fluor Corporation