Medha Servo Drives Interview Questions, Process, and Tips

Normal electrical basic question asking and some regioning quetion also askin aptitude test.

Q1. Basic of transformer
Add your answer
Q2. Igbt working process
Ans. 
IGBT stands for Insulated Gate Bipolar Transistor, a semiconductor device used for switching applications in power electronics.
• IGBT combines the advantages of MOSFETs and bipolar transistors

• It has three terminals: gate, collector, and emitter

• Works by controlling the voltage applied to the gate terminal to switch the device on and off

• Used in applications like motor drives, inverters, and power supplies
Answered by AI
Add your answer
Q3. Scr working process
Ans. 
SCR (Silicon Controlled Rectifier) is a semiconductor device used for controlling large amounts of electrical power.
• SCR is a type of thyristor used in power control applications.

• It consists of four layers of alternating N and P-type material.

• SCR works by controlling the flow of current between the anode and cathode.

• It requires a trigger signal to turn on and start conducting.

• Once triggered, SCR will continue to conduct...read more
Answered by AI
Add your answer
Q4. Bridge rectifier working process
Ans. 
A bridge rectifier is a type of full-wave rectifier that converts AC to DC by using four diodes in a bridge configuration.
• Bridge rectifier uses four diodes to convert AC to DC.

• It rectifies both halves of the AC input waveform.

• The output voltage is the absolute value of the input voltage.

• Commonly used in power supplies and battery chargers.
Answered by AI
Add your answer
Q5. Symbols of diode scr igbt thyristor
Ans. 
Symbols of diode, SCR, IGBT, and thyristor are important for understanding and troubleshooting electronic circuits.
• Diode symbol: Arrow pointing towards a line representing the cathode

• SCR symbol: Three layers with a gate, anode, and cathode

• IGBT symbol: Combination of a MOSFET and a bipolar transistor

• Thyristor symbol: Similar to SCR but with an additional gate terminal
Answered by AI
Add your answer

Mathematics, reasoning

Q1. Electric and electronic
Add your answer
Q2. Resistor calculation- series/parralal
Add your answer
Q3. Unit of capacitance, inductance
Ans. 
Capacitance is measured in farads (F) and inductance is measured in henrys (H).
• Capacitance is the ability of a component to store electrical charge, measured in farads (F)

• Inductance is the ability of a component to store energy in a magnetic field, measured in henrys (H)

• Examples: Capacitors have capacitance measured in farads, while inductors have inductance measured in henrys
Answered by AI
Add your answer
Q4. Motor work, different electrical symbol
Add your answer

Q1. Salary expectation
Add your answer

Q1. If you are experience holder then related to you profile.
Add your answer
Q2. If you are beginners then related to your field.
Add your answer

Q1. What is polymorphism?
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: Function overloading
Answered by AI
Add your answer
Q2. Design a 3 but up/down counter?
Ans. 
A 3-bit up/down counter can be designed using flip-flops and logic gates.
• Use 3 D flip-flops to store the count value.

• Connect the Q output of each flip-flop to the D input of the next flip-flop.

• Use logic gates to control the direction of counting (up or down).
Answered by AI
Add your answer