NOC:DC Power Transmission Systems


Lecture 1 - Course contents


Lecture 2 - Introduction


Lecture 3 - Historical developments


Lecture 4 - Power semiconductor devices


Lecture 5 - General converter configuration


Lecture 6 - Choice of converter configuration: Valve utilization factor


Lecture 7 - Choice of converter configuration: Transformer utilization factor


Lecture 8 - Converter configuration for pulse number equal to 6


Lecture 9 - Analysis of 6 pulse LCC neglecting inductance


Lecture 10 - Analysis of 6 pulse LCC neglecting inductance: Jumps in voltage across a valve


Lecture 11 - Analysis of 6 pulse LCC neglecting inductance: Average DC side voltage


Lecture 12 - Fourier series - Part 1


Lecture 13 - Fourier series - Part 2


Lecture 14 - Analysis of 6 pulse LCC neglecting inductance: DC side voltage harmonics


Lecture 15 - Analysis of 6 pulse LCC neglecting inductance: Fundamental and harmonic components of AC side current


Lecture 16 - Definitions: Delay angle, angle of advance, commutation margin angle


Lecture 17 - Commutation margin angle in a 6 pulse LCC neglecting inductance - Part 1


Lecture 18 - Commutation margin angle in a 6 pulse LCC neglecting inductance - Part 2


Lecture 19 - Instantaneous power on AC and DC sides in a 6 pulse LCC neglecting inductance


Lecture 20 - Average power on AC and DC sides in a 6 pulse LCC neglecting inductance


Lecture 21 - 6 pulse LCC with inductance


Lecture 22 - 2 and 3 valve conduction mode of 6 pulse LCC


Lecture 23 - 2 and 3 valve conduction mode of 6 pulse LCC: DC side voltage harmonics


Lecture 24 - 2 and 3 valve conduction mode of 6 pulse LCC: DC side voltage and voltage across a valve


Lecture 25 - 2 and 3 valve conduction mode of 6 pulse LCC: Fundamental and harmonic components of AC side current


Lecture 26 - Extinction angle


Lecture 27 - Extinction angle: Commutation margin angle for normal inverter operation of 6 pulse LCC


Lecture 28 - 3 and 4 valve conduction mode of 6 pulse LCC


Lecture 29 - Analysis of 3 and 4 valve conduction mode of 6 pulse LCC - Part 1


Lecture 30 - Analysis of 3 and 4 valve conduction mode of 6 pulse LCC - Part 2


Lecture 31 - Analysis of 3 and 4 valve conduction mode of 6 pulse LCC - Part 3


Lecture 32 - 3 valve conduction mode of 6 pulse LCC


Lecture 33 - Commutation margin angle


Lecture 34 - Normalization


Lecture 35 - Characteristics of 6 pulse LCC - Part 1


Lecture 36 - Characteristics of 6 pulse LCC - Part 2


Lecture 37 - Steady state analysis of a general LCC - Part 1


Lecture 38 - Steady state analysis of a general LCC - Part 2


Lecture 39 - Steady state analysis of a general LCC - Application to 6 pulse LCC


Lecture 40 - 6 pulse LCC with resistance included on the AC side


Lecture 41 - 6 pulse LCC with resistance, inductance and voltage source on the DC side - Part 1


Lecture 42 - 6 pulse LCC with resistance, inductance and voltage source on the DC side - Part 2


Lecture 43 - Power factor


Lecture 44 - Capacitor commutated converter - Part 1


Lecture 45 - Capacitor commutated converter - Part 2


Lecture 46 - 12 pulse LCC - Part 1


Lecture 47 - 12 pulse LCC - Part 2


Lecture 48 - Modes of operation of 12 pulse LCC


Lecture 49 - Purposes of transformer


Lecture 50 - Applications of DC transmission


Lecture 51 - Types of DC link: Monopolar


Lecture 52 - Types of DC link: Bipolar and homopolar


Lecture 53 - DC link control


Lecture 54 - DC link control: Control variables


Lecture 55 - Considerations that influence selection of control


Lecture 56 - Converter control characteristics


Lecture 57 - MTDC systens: Applications


Lecture 58 - Types of MTDC systems


Lecture 59 - Non-characteristic harmonics


Lecture 60 - Effect of firing angle errors


Lecture 61 - Problems with harmonics


Lecture 62 - Single tuned filter


Lecture 63 - Design of single tuned filter - Part 1


Lecture 64 - Design of single tuned filter - Part 2


Lecture 65 - Double tuned and damped filters


Lecture 66 - Reactive power requirement


Lecture 67 - Comparison of AC and DC transmission