DIPLOMA IN ELECTRICAL AND ELECTRONIC ENGINEERING POWER OPTION < & MODULE — >) 165MODULEN- ELECTRICAL POWER GENERATION AND TRANSMISSION Introduction ‘This module is designed to enable the trainee acquire necessary Knowledge, skills, altitudes and Competence that can be utilized in Electrical , Electronics and Instrumentation works, and in a general produetion line ‘The graduate of this module has the necessary skis forthe world of ‘work asa technician or be self employed in an lectrcal, Electronics ‘and Instrumentation workshop. General Objectives ‘Althe end ofthis module the tines should beable to: a) Understand the general concept of electronic and instrumentation systems 'b) Understand industrial measurements and control techniques: ©) Appreciate maintenance of electronics and instrumentation systems d) Know the use of ICT in un ing electronics and instrumentation technology: ©) Appreciate the concepts of establishing a related business 9) Obeave ety ogee and standart when prforang one Key Competengs?” [Atte end of the module, th tine shouldbe abe to demonstrate may: 8) design and assemble electronics circuits 'b) measure and control various physical quantities in process production plant ©) establish a business in the trade area ‘The units covered in this module are: Code 1720 Cont! Systems 182.0. Analogue Electronics I 192.0 Engineering Mathematics I 20.2.0 Digital Electronics 21.2.0 Engineering Drawing a Design 22.20 Industrial Programmable Logic contMlers 2320 Business Plan 2420 Electric Cicuit Analyses 25.2.0 Building Blecrical Protection and Sevices 26.2.0 Electrical Power Genertion and Transmission 1661720 172.01 172.02 172.03 CONTROL SYSTEMS Introduction ‘This course module is aimed at providing the tainee with theoretical and practical understanding of control systemsin the industries. A. trainee undertaking this module unit require foundations of | Mathematical concepts in Laplace transforms. General Objectives [At the end ofthe module, the trainee should beable to: 8) Understand the principles of engineering control systems 1) Appreciate system response and performance ©) Analyze system's stability fora given contol task <4) Understand the need for compensation and se conventional techniques to compensete practical systems, ©) Apply analogue system simulation to solve systems” ‘mathematical equations. {Understand the principles and applications of servo systems. & J Modul alt Summary nd ise Alocaon Code Engineering Control ‘Sub Module | Content Time Unit 2 Hrs Vat Tntodotion 1] + Syaemtermmology 2 * Open and Close oop 1722 Block ‘© Canonical form 6 simplification Tas ‘= Conversion of block disgram | 6 to signal flow diagram ‘+ Simplification of system Joop. Tad System + Need for modelling 6 ‘Modelling | « ‘Transfer functions for simple networks Practical systems 1725 System Performance Test signals @ Dynemic responses, Damping 1726 Suability “Types of Subility 6 Routh's stability Criterion [Nyquist stability Criterion Bode Plots, 167Nichols Chart Root Locus Ti3.7 | System compensation ‘Need for compensation 8 ‘Compensation networks Design of compensation networks 1728 Analogue | + Need for amatation 3 computing | + Principles of an Operational and sytem |” Amplifier Opamp) simulation | + Opamp anthmeti cicait Solution of equations Sealing 1739 [Seno Systems Servo mechanism = [AC and de servo ampifrs Phase sensitive reefers ‘Thyristor controlled dc servo systems Operation of stepper tors + Charecteraics curves for ero + Caleilations forgiven dta “Total Time 1684124 INTRODUCTION TO CONTROL Theory 172170. Specife Objectives By the end of the sub- module Unit the trainee should be able 8) explain contro terms ) compare and contrast open and closed loop systems Content I72ATL Control system terms Ww) Man-made system vy) Natural system vi) Hybrid system vii) Controlled variable wii) Reference variable ix) Plant 0 172.1T2 Open and closed loop system i) Feedback ii). Features of open loop iil) Features of closed loop iv) Advantages and isadvantages Competence ‘The wainee should have the ability to: identify and select ‘types of control systems for electrical systems Suggested teaching/Learning ‘Activities Dhvstration S Suggested ceachlng/Learuig Resources + Sample practical control units Suggested Evaluation Methods = Oral tests + Timed written tests = Assignments 172.2 BLOCK DIAGRAMS ‘Theory 172.270. Specific Objectives By theend of the sub module unit the trainee should be able te simplify control _ s38tem block diagram < Contest 112271 Simplification of block diagrams i) Cenonieal form ii) Transfer functions i) Superposition iv) Error ratio ¥) Primary feedback ratio Competence ‘The trainee should have the ability to: establish the ‘wansfer functions for various basic end mechanical systems ‘Suggested teaching/Learning Activites + Tlustation + Note taking Suggested teaching/Learning Resources ‘+ Sample practical control units + Simulators 169‘Suggested Evaluation Methods Oral tests + Timed writen tests = Assignments 17.23 SIGNAL FLOW GRAPHS Theory Content 17.24T1 Neo} for modelling 17.2472 Derivation of transfer functions for simple networks i) Electrical i) Mechanical i) (8), Jo, D operations 172473. Presentation of practical 172370 Speefie Objectives ie By ihe en ofthe sb module Generators and Uni the tains shuld be Motos able i) Tenpentere contol 2) convert block grams aiem tofow dngrams » Saving problem with >) Simpify sete tops prendre Competence Content “Te ties should have the 172371 Conversion of boc Bilis convert block Giagans to low dagrans Cite to sign Dow Nodes > degame i) Sis re 72372" Simplicaion of Suggested teaching Leaning ‘system loops. A Aeties ) Mivonrate A eto 3) Compiioop 2 Notting Loop redvton Suggested teackngLearning 1724 SYSTEMMODELLING ——_‘esances Theory 172.470 Specific Objectives By the end of the sub- module unit the trainee should be able to: 8) explain the need for systems ‘modelling, 1) derive transfer functions for simple networks and determine their transfer functions ©) epresent practical systems with transfer functions. + Sample aractical control units Suggested Evaluation Methods Oral test = Timed written tests ~ Assignments 1725 SYSTEM PERFORMANCE, Theory 17.2510 Specific Objectives By the end ofthe sub- module unit, the tainee should be able to 8). deseribe test signals 170172.6 STABILITY 2nd order systems Theory ©) analyze the effects of various methods of 17.2670 specific objectives damping By the end of the sub - ‘module unit, the traince Content should be able to: 17.25T1 Test signals 8) exolain types of stability Step 1) describe Routh's stability Velocity criterion iil) Acceleration ©) explain Nyquist diagrams iv) Sinusoidal @) plot bode plot ¥) Unity impulse ©) construct Nichol’s charts 172.512 Dynamie response for I* 1) sketel: Root Locus and 2" order systems diagrams i) Response terms ii). Standard 2nd order Content ‘equation 172671 Types of Stability iii) Response graphs i) Bounded input iv) Derive dimensional :o) bounded output 2nd order equation ii) Relative stability 172573 Damping methods iil) Absolute stability i) Velocity feedback AN 172.672 Routh’s stability criterion ii) Error rate 3 ) Array formation 1h oe arin” Bocas Bm. aa = ip Caine vy Cetin vracts Nyc rane Jimitng values 4) Statement of Nyquist stability criterion Suggested teaching/Learning i) Nyquist diagram Activities i) Determination of = Mlustation ‘gain and phase = Note teking margins iv) Determination of Suggested Evaluation Methods sein and phase cross Oral tests over frequency ~ Timed written tests ¥) Caleulation of a + Assignments value K, required for stability vv) Description of type 0,1, land I of Nyquist systems vii) Sketches for open loop frequency amresponse for different vii) Band wih systems x) Closed loop vill) Analyses of frequency response Inverse Nyquist 172.676 Rost locus ‘curve 1) Construction 4x) Derivation of m and fi) Analysis circles x) Determination of Suggested teacking/Learning maximum value ofM Activities and and the = Thstration frequency at which it = Note taking occurs Suggested teaching and Learning xi) Determination of the Resources ‘elationship between = Text books Mecirele and inverse + Appropriate charts and Nyquist plot graphs xii) Evaluation of band + Equipment width, = Mat labprogrammes 172.674 Bode plot © internet i) Logarithmic <& iagrams for simple oysene esympits Graltews e OTe nen eae ii) Determination of = Assignments Bh ranraanonet at overfeqseney «172.7. COMPENSATION iv) Pas nd gin nevis ‘theory » Saag 1) Output input 172.710 Specte objectives fants fom Bytheonof hens given sammie module wn ow Should able 112673 Wich char 2) exam ened for 3} Besrpion of conmpensting networks Nichol share ») dete waa finn iy Recnguar creonpensatng coords reson iy Werfonn of 4 dese compensating and Niles set iv) Open oop equeney ponge caves Cont \) Detrminaton of W271 Newtfersyem WD Phase and gun Compaen mm 172.712 Compensating newark viendo, sont meters 1212973 ‘Compensation network Lend 1H) Leg fil) Lead lag iv) Design —bode - Lead > Lag 2 Lead-lag + Compensation using 3+term controller 172.76 Competence ‘The trainee should have the ability to: design ‘compensating net works for ‘control systems Suggested teaching earning = Text books ~ Equipment = Appropriate charts and ‘graphs . ~ Sample practical conto units Servet Btn Mas Re ante > ee 172.8 ANALOGUE ‘COMPUTING SYSTEM SIMULATION ‘Theory 172.870 Specific objectives By the end ofthe sub - module unit the trainee should be able to: » b) 9 describe need for simulation describe the principles of ‘an operational amplifier explain op-amp arithmetic circuit 172871 ¥72872 172873 17.2874 172.8P0 1728P1 Consent [Need for Simulation Ope-ation of Operational amplifier (Opeational amplifier arithmetic circuit Solution of equations sing operational amplifier 1) Summer i) inverter fil) Integrator iv) Differentiator V) Logarithmic amplifier vi) Comparstor ‘i Differential equations sing Op Amp ‘Sealing method i) Amplitude 4) Time Practice ‘Specific objectives By he end of the sub module unit, the trainee should be able to assemble electronic iret to carry out ‘analogue computing techniques Content ‘Anzlogue computing techniques ) Inverting ii) Integrating it) Comparing iv) Summing ¥) Differentiating vi) Logarithmic 13172.8C Competence ©) explain the operation Tretrne shold hve soBcontal of sper Be abiiyt moto 1 neomest 9) ete cmacterts analogue compar tives of sand de componcit ovo ‘erento ‘atm 2) lve dope motor 19 Peto slate ables ‘tegeseent on Satene Cont 7aST1 Seno mechani Suggs echingearning > Poston wath 2) Sea station 5) Aesleraon ove kg 172972 Seno amine + Simulation yc i Ac Suggested Teaching earing 172973 Phase ensiverectiier vaooce it) Schon = Textbooks <8) Roots © Arelogueconputer 19284 Opera af Sper componente ee tos Suggested Bouton cho 1) Conttions eral et 3) Operations Fit rite ts i) Conte ces Assiment 1) Caeutaton *) efcing 1729. SERVO systems 1) Applicat 172915. Chamstenate cares of Theory Scarddecrvonotrs Sketching 7281) Specie objectives 172976. Cateatons by een of te module nit the nee Practice ‘hos bea 2) deb seve 172990. Speate Objaives wnedhnaine By trend ofthe cab deere te dtrnce modu ence Between acand de Sho be abet ssro armies 3 cary ent ©) expsn pee ‘esnement of ae Sense eties mnie 6) explain eatin Seronechmnom ot ister centalied 2) fake measurements on de servo syste the peter of seer moter 174\729P1 Measurements ona ‘Servornechanisms 17.2.9P2 Measurements Stepper motors i) Phase tests 17.2.9 Competence ‘The wainee should have the ability t: use a servo ‘motor in a contol system Suggested teaching/Learning Aetivities = Hlustation Note taking Practical exercises Suggested Teaching /Learning = Text books © Serve motors + Phase sensitive rectifiers Suggested Evaluation Methods = Oral tests + Timed written tests = Assignments 175