=All Electrical Notes Published on www.electricalnotes.wordpress.com site.
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Part-1 :Electrical Quick Data Reference:
Part-2 :Electrical Calculation
Part-3 :Electrical Notes:

: INDEX:
Part-1 :Electrical Quick Data Reference:
Chapter Description Page No
1 Measuring Units 7
2 Electrical Equation 8
3 Electrical Thumb Rules 10
4 Electrical Cable & Overhead Line Bare Conductor Current Rating 12
Electrical Quick Reference

5 Electrical Quick Reference for Electrical Costing per square Meter 21
6 Electrical Quick Reference for MCB / RCCB 25
7 Electrical Quick Reference for Electrical System 31
8 Electrical Quick Reference for D.G set 40
9 Electrical Quick Reference for HVAC 46
10 Electrical Quick Reference for Ventilation / Ceiling Fan 51
11 Electrical Quick Reference for Earthing Conductor / Wire / Strip 58
12 Electrical Quick Reference for Transformer 67
13 Electrical Quick Reference for Current Transformer 73
14 Electrical Quick Reference for Capacitor 75
15 Electrical Quick Reference for Cable Gland 78
16 Electrical Quick Reference for Demand Factor-Diversity Factor 80
17 Electrical Quick Reference for Lighting Density (W/m2) 87
18 Electrical Quick Reference for illuminance Lux Level 95
19 Electrical Quick Reference for Road Lighting 126
20 Electrical Quick Reference for Various illuminations Parameters 135
21 Electrical Quick Reference for IP Standard 152
22 Electrical Quick Reference for Motor 153
23 Electrical Quick Reference O/L Relay , Contactor for Starter 155
24 Electrical Quick Reference for Motor Terminal Connections 166
25 Electrical Quick Reference for Insulation Resistance (IR) Values 168
26 Electrical Quick Reference for Relay Code 179
27 Standard Makes & IS code for Electrical Equipment’s 186
28 Quick Reference for Fire Fighting 190
29 Electrical Quick Reference Electrical Lamp and Holder 201
Electrical Safety Clearance
30 Electrical Safety Clearances-Qatar General Electricity 210
31 Electrical Safety Clearances-Indian Electricity Rules 212
32 Electrical Safety Clearances-Northern Ireland Electricity (NIE) 216
33 Electrical Safety Clearances-ETSA Utilities / British Standard 219
34 Electrical Safety Clearances-UK Power Networks 220
35 Electrical Safety Clearances-New Zealand Electrical Code (NZECP) 221
36 Electrical Safety Clearances-Western Power Company 223
37 Electrical Safety Clearance for Electrical Panel 224
38 Electrical Safety Clearance for Transformer. 226
39 Electrical Safety Clearance for Sub Station Equipment’s 228
40 Typical Values of Sub Station Electrical Equipment’s. 233
41 Minimum Acceptable Specification of CT for Metering 237
Abstract of Electrical Standard
42 Abstract of CPWD In Internal Electrification Work 239
43 Abstract of IE Rules for DP Structure 244
44 Abstract of IS: 3043 Code for Earthing Practice 246
45 Abstract of IS:5039 for Distribution Pillars (<1KV AC & DC) 248
46 Abstract IS: 694 / IS:1554 / IS: 11892 for Cable 249
47 Abstract IS:15652 for Insulating Mat / IS: 11171 for Transformer 251
48 Abstract IS: 1678 / IS:1445 252
49 Abstract IS: 1255 for Cable Rote &Laying Method of Cable 253
50 Abstract IS: 5613 for HV Line 255
51 Abstract of Indian Electricity Rules (IE Rules) 260

Part-2 :Electrical Calculation:
Chapter Description Page No
1 Calculate Number of Earthing Pits for System 264
2 Calculate Size of Cable for Motor as per National Electrical Code 270
3 Calculate Transformer Protection as per National Electrical Code 272
4 Calculate over current Protection of Transformer (NEC 450.3) 274
5 Calculate Size of Contactor, Fuse, C.B, O/L Relay of DOL Starter 279
6 Calculate Size of Contactor, Fuse, C.B, O/L Relay of Star-Delta Starter 281
7 Calculate Transformer Size & Voltage Drop due to starting of Single Large Motor 284
8 Calculate TC Size & Voltage Drop due to starting of multiple no of Motors 285
9 Calculate Voltage Regulation for 11KV, 22KV, 33KV Overhead Line ( REC) 286
10 Calculation Technical Losses of Distribution Line 289
11 Calculate Cable Size and Voltage Drop of HT / LV Cable 291
12 Calculate IDMT over Current Relay Setting (50/51) 294
13 Calculate Size of Capacitor Bank / Annual Saving & Payback Period 296
14 Calculate No of Street Light Pole 299
15 Calculate No of Lighting Fixtures / Lumens for Indoor Lighting 301
16 Calculate Street Light Pole Distance &Watt Area 302
17 Calculate Short Circuit Current (Isc) 303
18 Calculate Size of Bus bar for Panel 307
19 Calculate Size of Cable Tray 312
20 Calculate Size of Diesel Generator Set 314
21 Calculate Size of Main ELCB & Branch MCB of Distribution Box 317
22 Calculate Size of Solar Panels 322
23 Calculate Size of Inverter & Battery Bank 324
24 Calculate Cable Trunking Size 328
25 Calculate Size of Conduit for Cables / Wires 329
26 Calculate Cable Voltage Drop for Street Light Pole 330
27 Calculate Lighting Protection for Building / Structure 333
28 Calculation Size of Pole Foundation & Wind Pressure on Pole 336
29 Calculation of Flood Light, Facade Light,Street Light and Signage Light 338
30 Calculate Size of Neutral Earthing Transformer (NET) 345
31 Calculate Transformer Regulation & Losses (As per Name Plate) 347
32 Calculation of Crippling (Ultimate Transverse) Load on Electrical Pole 349
33 Calculate Size of Circuit Breaker Fuse for Transformer (As per NEC) 351
34 Calculate Size of Ventilation Fan 353
35 Calculate Motor-Pump Size 354
36 Calculate Lighting Fixture’s Beam Angle and Lumen 356

Part-3 : Electrical Notes:
Chapter Description Page No
Motor & Starter
1 Direct On Line Starter 359
2 Star-Delta Starter 364
3 Motor Number Plate Terminology 370
Transformer
4 Three Phase Transformer Connection 372
5 Vector Group of Transformer
388
6 Difference between Power Transformer & Distribution Transformer 401
7 Parallel Operation of Transformers 402
8 Various Routine Test of Transformer 409
9 Standard Transformer Accessories & Fittings 423
10 Basic of Current transformers 437
Lighitng Luminars

11 Selection of Lighting Luminaries 453
12 Different Type of Lamps and Control Gear 467
13 What should you know before buying LED Bulbs 481
14 Type of Lighting Bulb Base & Socket 490
15 Type of Lighting Bulb Shape & Size 497
16 What is Fixture’s Beam Angle & Beam Diameter 521
17 Difference between High Bay and Low Bay Flood Light 526
18 Various Factor for illumination Calculation 532
19 How to design efficient Street Light 539
Cables

20 Cable Construction & Cable Selection 566
21 Difference between Unearthed & Earthed Cables 575
22 Low Voltage and High Voltage Cable Testing 577
23 EHV/HV Cable Sheath Earthing 580
24 HIPOT Testing 588
25 Type of Cable Tray 591
26 Type of Cable Glands 595
27 Cable Tray Size as per National Electrical Code-2002, Article 392 599
Earthings

28 What is Earthing 601
29 Difference between Bonding, Grounding and Earthing 606

MCB / MCCB / Fuse / Relay   

30 Working Principle of ELCB / RCCB 609
31 Difference between MCB-MCCB-ELCB-RCBO-RCCB 613
32 What is Correct Method of MCB Connections 616
33 Type of MCB & Distribution Board 620
34 Type and Specification of Fuse 624
35 How to Select MCB / MCCB 637
36 Tripping Mechanism of MCCB 645
37 Setting of over Load, Short circuit & Ground Fault Protection of MCCB 650
38 Types and Revolution of Electrical Relay 656
Electrical Questions & Answers

39 Electrical Questions & Answers 674
Power Distributions & Transmissions
40 Type of Electrical Power Distribution System 697
41 Impact of Floating Neutral in Power Distribution 703
42 Total Losses in Power Distribution & Transmission Lines 708
43 Single Earthed Neutral and Multi Earthed Neutral 714
44 Types of Neutral Earthing in Power Distribution 717
45 Effects of unbalanced Electrical Load 726
46 Vibration Damper in Transmission Line 732
47 What is Ferranti Effect 735
48 What is Corona Effect 737
49 Harmonics and its Effects 745
50 What is Demand Factor-Diversity Factor-Utilization Factor-Load Factor 755
51 Guideline of Design Electrical Network for Building / Small Area. 764
52 Type-Size- Location of Capacitor in Electrical System 766
53 Types of Overhead Conductors 775
54 What is Power Factor 783
55 11KV/415V over Head Line’s Specification as per REC 790
56 Analysis the Truth behind Household Power Savers 803
57 How Reactive Power helpful to maintain a System Healthy 806
58 Effects of High Voltage Transmission Lines on Humans and Plants 813
59 How to save Electrical energy at Home 819
Others

60 Type of Lighting Arrestor 822
61 Selection of Surge Protective Device (SPD) 831
62 Selection of Various Types of Inverter 842
63 Selection of Various Types of UPS 852
64 Method of Earth Resistance Testing 860