Saudi Electricity Company ITI Electrician, Electrical Maintenance Interview Questions and Answers

Q1. Pv Solar plant Commissioning process
Ans. 
The commissioning process of a PV solar plant involves testing, adjusting, and optimizing the system to ensure it is functioning properly.
• Testing the electrical components and connections to ensure they are working correctly

• Adjusting the system settings to maximize efficiency and output

• Optimizing the performance of the solar panels to achieve the desired energy production

• Checking for any potential issues or malfunction
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Q2. Transformer types of testing
Ans. 
Transformer types of testing include routine tests, type tests, and special tests to ensure proper functioning and safety.
• Routine tests include insulation resistance, turns ratio, and polarity tests.

• Type tests are conducted on a prototype to verify design parameters like temperature rise and short-circuit withstand.

• Special tests may include impulse voltage, partial discharge, and noise level tests.

• Testing ensures trans...read more
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Q1. About your self
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Q2. Technical , Management
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Q1. What is the purpose of an uninterruptible power supply (UPS)?
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Q2. What is a substation?
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Q1. What is a relay?
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Q1. Like what is your work experience. Are you willing to climb twice in a day .
Ans. According to your experience needs to give answers Second question- yes
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Q2. Are you willing to work if require to support near by site .
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Q1. As per your experience as previous company they asked questions, but more focos on safety .
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Q2. What is LOTO , Types of LOTO
Ans. 
LOTO stands for Lockout/Tagout, a safety procedure used to ensure that dangerous machines are properly shut off and not started up again prior to the completion of maintenance or servicing work.
• LOTO involves locking the energy isolating devices with an assigned individual lock and tag to prevent the machine from being turned on.

• Types of LOTO include electrical LOTO, mechanical LOTO, and pneumatic LOTO.

• Examples of LOTO ...read more
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Q1. Previous experiences questions, like DFIG , Converter system, power factor , transformer , lighting system, Earthing system .
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Normal discussion with seniors

Q1. Salary discussion and joining details
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Q1. What is the Transformer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and creates a magnetic field

• Magnetic field induces a voltage in the secondary coil, transferring energy

• Used in power distribution, voltage regulation, and electrical isolation
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Q2. Electrical 8 equipment
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Returned test about Electrical field

Q1. Technical assessments done
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Q2. About breaker type of breaker fuses and type of fuse etc
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Q1. Discussed about certificates ans salary package
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Q2. About salary package
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Q1. I do to electrical work and UPS installation or electric painal installation
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Q1. House 🏘️ wiring or all electrical work
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Q1. Type of Looses in Transformer
Ans. 
Transformer losses include copper losses and iron losses.
• Copper losses are due to resistance in the transformer windings.

• Iron losses include hysteresis losses and eddy current losses.

• Total losses in a transformer are the sum of copper losses and iron losses.
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Q2. How can you reduce count of Burnt DTR
Ans. 
To reduce count of burnt DTR, proper maintenance, regular inspections, and timely replacements are essential.
• Regularly inspect DTRs for any signs of overheating or damage

• Ensure proper ventilation and cooling systems are in place

• Implement regular maintenance schedules for cleaning and testing

• Replace old or faulty components before they cause damage

• Train staff on proper handling and maintenance procedures
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Q3. What is PPE?How you can build safety work culture in your workplace
Ans. 
PPE stands for Personal Protective Equipment. Building a safety work culture involves training, communication, enforcement, and leading by example.
• PPE includes items like helmets, gloves, goggles, and safety shoes to protect workers from hazards.

• Conduct regular safety training sessions to educate employees on the importance of using PPE.

• Communicate safety protocols clearly and consistently to all employees.

• Enforce safe...read more
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Q4. What is voltage regulation?How desired voltage is maintained at Distribution Level?
Ans. 
Voltage regulation is the process of maintaining a stable voltage level at the distribution level.
• Voltage regulation is achieved by using transformers and voltage regulators to adjust the voltage as needed.

• Voltage regulators can be either tap-changing transformers or electronic devices that adjust the voltage automatically.

• By monitoring the voltage levels and making adjustments as necessary, the desired voltage is main...read more
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