The exhaustive list of topics in Power Electronics in which we provide Help with Homework Assignment and Help with Project is as follows:
- Application of Power Electronics to :
- Motor control with emphasis on Traction and Industrial Process control
- Power Supplies - Revolution in Personal Computers UPS
- Power Transmission - Facts Technology, HVDC
- Chemical Process
- Battery charging
- Power extraction from non-conventional enery sources
- Automotive electronics
- High energy physics Evolution of Power Electronics
- Structure of Power Electronics: How structurally power electronics differs from low power analog electronics
- Different types of switches:
- Power Diodes: from the viewpoint of an application engineer
- SCR: Device structure, Static characteristic, dynamic characteristic constraints of Turn on and Turn off time, different relevant ratings.
- Diode rectifiers Applications: Power Supplies, Front end converter for ac motor drives, battery charger, chemical process:
- Single phase Half wave with R load
- Single phase Half wave with R-L load
- Single phase Full bridge rectifier with dc link capacitive filter, issue of harmonics
- Three phase Full bridge rectifier with dc link capacitive filter, issue of harmonics
- AC to DC controlled converters
- Application: DC Motor Drives
- Battery chargers
- HVDC transmission
- Single phase fully controlled AC to DC converter:
- Principle of operation: Issue of line commutation
- Continuous mode of conduction: expression for average output voltage
- Modes of operation in the voltage-current plane
- Discontinuous mode of conduction
- Analysis with R-L-E load, significance of R-L-E load
- Operation as an inverter: constraints for line commutation
- Dual converter: motivation Simultaneous and nonsimultaneous control
- Input displacement factor, distortion factor, harmonics
- Effect of source inductance
- Requirement of snubber
- Single phase half controlled converter:
- operating principle,
- Input displacement factor
- Modes of operation in the voltage-current plane
- Three phase half wave ac to dc converter:
- Principle of operation
- Derivation of o/p voltage
- Issue of dc magnetization of the input transformer
- Three phase fully controlled ac to dc converter:
- Principle of operation
- Derivation of average output voltage
- Derivation of displacement factor
- Inverter mode of operation
- Constraints of commutation in inverter mode
- Effect of source inductance
- Limitation of Line commutated converters:
- Single phase unity powerfactor converter
- Principle of switched Power power conversion
- Bi-directional Power converters
- DC- DC Power Converters
- Limitations of Linear Power supplies
- Switched Power Power supplies ( Buck, Buck-Boost, Boost,Cuk, Fly-back and Forward Convverters)
- Transfer fucntion for these converters
- DC- AC Power Converters
- Principle of operation of Inverters Half bridge, full bridge, three phase- six step operation, voltage control, PWM techniques