Rieter Senior Electrical Engineer 2 Interview Questions and Answers

Q1. A 22 kw AOP motor CT cable burn again and again what is the reason ?
Ans. 
The repeated burning of a 22 kW AOP motor CT cable may be due to overloading, short circuits, poor insulation, or incorrect cable sizing.
• Check for overloading of the motor causing excessive heat in the cable

• Inspect for short circuits in the motor or the wiring

• Ensure proper insulation of the cable to prevent overheating

• Verify if the cable size is appropriate for the motor's power requirements
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Q2. When CT of AOP motor is bypassed then what effect on the motor ?
Ans. 
Bypassing the CT of an AOP motor can lead to overcurrent and damage to the motor.
• Bypassing the CT can result in the motor drawing excessive current.

• This can lead to overheating of the motor windings.

• Overcurrent can cause damage to the motor components.

• It can also pose a safety risk due to potential electrical faults.
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Q1. Preventive maintinance
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Q2. Fpi working foult passis indicater
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Q3. Breakdown attend
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Q4. RMU SF6 PENAL MAINTENANCE
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Q5. Transformers megger check
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Q1. All kind of machine related questions
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Q2. We have to answer all kind of qustion
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Basic Engineering technology

Q1. Basic engineering technology about
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Q2. Basic engineering question
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Q1. Details about home work
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Q1. What is the synchronisation process of plant ?
Ans. 
Synchronisation process of a plant involves matching the frequency, voltage, and phase angle of the incoming generator with the grid.
• Ensure the generator frequency matches the grid frequency (50Hz or 60Hz).

• Match the voltage levels of the generator with the grid.

• Adjust the phase angle of the generator to synchronize with the grid.

• Use synchronizing equipment like synchroscope or synchronizing lamps to ensure proper synch...read more
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Q2. Brief discussion about alternator and transformer protection system ?
Ans. 
Alternator and transformer protection systems are essential for preventing damage and ensuring safe operation.
• Alternator protection systems typically include overcurrent, overvoltage, and reverse power protection to safeguard the alternator from damage.

• Transformer protection systems often involve differential protection, overcurrent protection, and temperature monitoring to prevent overheating and insulation breakdown.

• ...read more
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Q1. What's your name and qualifications
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Q2. What is your qualifications and experience
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Q1. Transformer protection and testing
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Q2. Alternator, vcb, acb, protection system
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Q3. Synchronisation of generator, motor protection and maintenance.
Ans. 
Synchronisation of generator involves aligning the speed and phase of the generator with the grid before connecting them. Motor protection and maintenance are crucial for ensuring the longevity and efficiency of the motor.
• Synchronisation of generator involves matching the frequency, voltage, and phase angle of the generator with the grid before connecting them.

• Motor protection includes measures such as overload protect...read more
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