AutoCAD Electrical basics and Professional commands.
NO contact, NC contact, Relay Coil, Timer coil, NO push button, NC push button, SP MCB
Assignment:
Copy and paste attribute symbols into palate and design center
Brief presentation with slides
Discus types of electrical diagram
How to make lighting distribution board (LDB) for story building
Draw DB diagram with respect to different types of load. (SLD and power circuit & calculation)
Load Balancing
SLD of DB checking/finishing and discussion
Draw SLD of motor control center (MCC), motor calculation & selection method of motor components
SLB MCC diagram checking/finishing and discussion
Study and understand DOL circuit and operation
DOL starter diagram (used attribute & Dynamic blocks for control circuit)
Study and understand ASD circuit and operation
ASD starter diagram (used attribute & Dynamic blocks for control circuit)
Study and understand REV/FOR circuit and operation
REV/FOR starter diagram (used attribute & Dynamic blocks for control circuit)
Checking schematic diagram of DOL, ASD & REV/FOR starters / fishing and discussion
Overview about all international standard relevant to electrical switchgear field
Types of switchgear panels (slides), Types of diagram (slides)
ANSI protection relay codes
Switchgear device/components codes
Draw the SLD & Schematic diagram of interlocking between 3 –motors with operating water level switches & lamp text facility and alarm acknowledge scheme
Checked schematic & control circuit of motor interlocking/fishing and discussion
Create following layers, drawing, text, page
Move each page into individual layout, Rename layout, page setup, print
Draw SLD, Schematic & diagram and interlocking of WAPDA & Generator source with using TP ACBs (LT Switchboard)
Draw PFI diagram (SLD and power circuit)
With using attribute symbols for control circuit
PFI diagram discussion and Calculation for Power factor bank.
Wiring diagram of LT Switchboard
Copper bus bar calculations
ATS (Automatic Transfer Supply) Control Power diagram and Selection criteria.
Transformer and Generator size calculation and Proposal
Motor Control Center sizing i.e Breaker sizing according to NEC , Contactor sizing, overload relay sizing, busbar sizing
Motor start study and selection method from STARTING Methods of Motor.
DOL, DOL 2 location, DOL long distance
DOL Reverse Forward
Star Delta
Reverse Forward star delta
Series Resistance Method
Series Inductance Method
Auto transformer Method
Buzzer and Light indication for faults
Over load relay, Under voltage relay, over voltage relay, phase failure relay , phase sequence relay, earth leakage relay, Power factor relay
CT and PT calculation
Cable sizing and BS/NEC standard for voltage drop of cable selection.
Short circuit current calculation for breaker and cable selection
0 Comments