Shapoorji Pallonji Group Electrical Engineer Interview Questions, Process, and Tips

Q1. What is ATS, transformer maintenance procedure, protection of transformer, maintenance procedure of motor, protection of motor, knowledge about SAP
Ans. 
ATS stands for Automatic Transfer Switch. It is used to transfer power supply between two sources. Transformer and motor maintenance procedures and protection methods are essential for their efficient operation. SAP is a software used for enterprise resource planning.
• ATS is used to automatically switch power supply between two sources, ensuring uninterrupted power supply.

• Transformer maintenance involves regular inspect...read more
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Q2. Knowledge about DG set, and spare material
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Q3. Rating of HT motor and FLC of HT motor
Ans. 
HT motor rating is the maximum power it can handle and FLC is the current it draws at full load.
• HT motor rating is expressed in kilowatts (kW) or megawatts (MW).

• FLC of HT motor is the full load current it draws at rated voltage and frequency.

• FLC is expressed in amperes (A) and varies depending on the motor's power rating and efficiency.

• For example, a 1 MW HT motor may have a FLC of 1000 A at 11 kV.

• The rating and FLC of...read more
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Q4. Plant EHT system and single line diagram of plants.
Ans. 
Plant EHT system and single line diagram of plants.
• EHT system refers to Extra High Tension system used in power plants

• Single line diagram shows the electrical connections between different components

• It is important to have a clear and accurate diagram for safety and maintenance purposes
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Q5. Knowledge about HT and LT breaker.
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Electrical project and ups and battery kva rating amp.

Electrical site engg and ups and servostablizer and solar panel

About electrical work

Q1. How many year you have experience
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Q1. 1) tell me about your self?
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Q2. 2) what is the SAP prodecudre of called UPS vendor.
Ans. 
SAP procedure for UPS vendor is a process for managing vendor data in the SAP system.
• The SAP procedure for UPS vendor involves creating and maintaining vendor master data in the system.

• It includes defining vendor attributes such as payment terms, delivery schedules, and contact information.

• The procedure also involves creating purchase orders and managing invoices from the vendor.

• Examples of UPS vendors include APC, Eat
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Q3. 3) what is the mainten procedure of DG.
Ans. 
The maintenance procedure of DG involves regular checks and servicing to ensure optimal performance.
• Regularly check oil and coolant levels

• Inspect air filters and replace if necessary

• Clean and inspect spark plugs

• Check battery and charging system

• Perform load bank testing

• Schedule routine maintenance with a qualified technician

• Keep a maintenance log for record keeping
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Q4. 4) whatbis the ATS scheme.
Ans. 
ATS scheme stands for Automatic Transfer Switch scheme used in power systems.
• ATS scheme is used to transfer power supply from one source to another in case of power failure.

• It is commonly used in backup power systems to ensure uninterrupted power supply.

• ATS scheme can be implemented using mechanical or electronic switches.

• It is important to ensure proper coordination between the ATS and protective devices to avoid any ...read more
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Q5. 5) what you do if your technician is argument with you?
Ans. 
Address the issue calmly and professionally, listen to their perspective and try to find a solution together.
• Remain calm and avoid getting defensive

• Listen to their perspective and try to understand their point of view

• Communicate clearly and respectfully

• Try to find a solution together

• If necessary, involve a mediator or supervisor
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Q6. 6) what is the prodecudre of transformer pm?
Ans. 
Transformer PM involves regular maintenance and inspection to ensure optimal performance.
• Perform regular visual inspections to check for signs of wear and tear

• Test insulation resistance to ensure it meets standards

• Check oil levels and perform oil analysis to detect any contaminants

• Inspect and tighten connections

• Perform load and temperature tests

• Schedule maintenance based on manufacturer recommendations

• Examples of maint...read more
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Q7. 7) what type.of protection provided in transformer.
Ans. 
Transformers are protected by various methods to prevent damage from faults and overloads.
• Overcurrent protection using fuses or circuit breakers

• Thermal protection using temperature sensors and alarms

• Buchholz relay protection for detecting internal faults

• Differential protection for detecting external faults

• Ground fault protection using ground fault relays

• Lightning arrestors for protection against lightning strikes

• Oil le...read more
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