Electrical Articles & Notes (Rev-2.23)

=All Electrical Notes Published on www.electricalnotes.wordpress.com site. =3 No's of Volume, Total 1150 Pages (more than 80 Topics) in PDF format with watermark on each Page.

=soft copy in PDF will be delivered.

Part-1 :Electrical Quick Data Reference:

Part-2 :Electrical Calculation

Part-3 :Electrical Notes:

Part-1  :Electrical Quick Data Reference:

1 Electrical Thumb Rules

2 Cable Current Capacity Chart Reference

3 IP Class Rating

4 Standard Relay Code (ANSI)

5 Electrical Panel Size Reference

6 Electrical System Reference 

7 MCB / MCCB/ RCCB Reference

8 Earthing Value / Wire / Strip Reference

9 Transformer Reference

10 Electrical Room Reference

11 Working Space for Electrical Panel Reference

12 Sub Station Fence Reference

13 Current Transformer Reference

14 Capacitor Bank Reference

15 D.G Set Reference

16 Insulation Resistance (IR) Values

17 Electrical Motor Reference

18 O/L Relay, Contactor for Starter

19 Electrical Motor Terminal Connections

20 Cable Gland Reference

21 Demand Factor / Diversity Factor Reference

22 Electrical Lighting Power Density

23 Lighting illuminations Level Reference

24 Road Lighting

25 Various Illumination Parameters

26 Types of Electrical Lamp & Holder

27 Electrical Costing per Square Meter

28 Electrical Safety Clearance (IE Rules)

29 Electrical Safety Clearance (QEWC)

30 Electrical Safety Clearance (NIE / ENA)

31 Electrical Safety Clearance (ETSA / BS

32 Electrical Safety Clearance (UK Power)

33 Electrical Safety Clearance (NZECP)

34 Electrical Safety Clearance (WPC)

35 Safety Clearance for Electrical Panel

36 Safety Clearance for Transformer

37 Safety Clearance for Sub Station Equipment's

38 Typical Value of Sub Station Equipment's

39 Minimum Specification of CT Metering

40 HVAC Reference

41 Ventilation / Ceiling Fan Reference

42 Fire Fighting Reference

43 Abstract of CPWD In Internal Electrification Work

44 Abstract of IS: 3043 Code for Earthing Practice

45 Abstract of IS:5039 for Distribution Pillars (<1KV AC & DC)

46 Abstract IS: 694 / IS:1554 / IS: 11892 for Cable

47 Abstract IS:15652 for Insulating Mat / IS: 11171 for Transformer

48 Abstract IS: 1678 / IS:1445

49 Abstract IS: 1255 for Cable Rote &Laying Method of Cable

50 Abstract IS: 5613 for HV Line

51 Abstract of Indian Electricity Rules (IE Rules)

Part-2: Electrical Calculation:

1 Calculate Transformer Protection as per NEC

2 Calculate over current Protection of Transformer (NEC 450.3)

3 Calculate Transformer Size & Voltage Drop due to starting of Single Large Motor

4 Calculate TC Size & Voltage Drop due to starting of multiple no of Motors

5 Calculate Size of Circuit Breaker Fuse for Transformer (As per NEC)

6 Calculate Transformer Regulation & Losses (As per Name Plate)

7 Calculate Short Circuit Current (Isc) (Base KVA Method) 8 Calculation Technical Losses of Distribution Line

9 Calculate Voltage Regulation for 11KV, 22KV, 33KV Overhead Line ( REC) 10 Calculate Cable Size and Voltage Drop of HT / LT Cable

11 Calculate Size of Cable Tray

12 Calculate Cable Trunking Size

13 Calculate Size of Conduit for Cables / Wires

14 Calculation Size of Pole Foundation & Wind Pressure on Pole

15 Calculate No of Street Light Pole

16 Calculate Cable Voltage Drop for Street Light Pole

17 Calculate Street Light Pole Watt / Area & Distance

18 Calculate No of Lighting Fixtures / Lumens for Indoor Lighting

19 Calculate Lux Level & Uniformity at Indoor and Outdoor Lighting 

20 Calculate Lighting Fixture’s Beam Angle and Lumen

21 Calculation of Flood Light, Facade Light, Street Light and Signage Light 22 Calculate Lighting Protection for Building / Structure

23 Calculate Size of Neutral Earthing Transformer (NET)

24 Calculate Number of Earthing Pits for System

25 Calculate Qty of Chemical Earthing Material & Size of Earthing Rod

26 Calculate Size of Cable for Motor as per National Electrical Code

27 Calculate Size of Contactor, Fuse, C.B, O/L Relay of DOL Starter

28 Calculate Size of Contactor, Fuse, C.B, O/L Relay of Star-Delta Starter

29 Calculate IDMT over Current Relay Setting (50/51)

30 Calculate Size of Bus bar for Panel

31 Calculate Size of Solar Panels

32 Calculate Size of Main ELCB & Branch MCB of Distribution Box

33 Calculate Dimension of Electrical Panel from SLD

34 Calculate Weight of Electrical Panel

35 Calculate Size of Capacitor Bank / Annual Saving & Payback Period

36 Calculate Size of Diesel Generator Set

37 Calculate Size of Inverter & Battery Bank 38 Calculate Size of Pole Foundation & Wind Pressure on Pole

39 Calculate Size of Ventilation Fan

40 Calculate Motor-Pump Size

Part-3  : Electrical Notes:

1 Direct On Line Starter

2 Star-Delta Starter

3 Motor Number Plate Terminology

4 Three Phase Transformer Connection

5 Vector Group of Transformer

6 Difference between Power Transformer & Distribution Transformer

7 Parallel Operation of Transformers

8 Various Routine Test of Transformer

9 Standard Transformer Accessories & Fittings

10 Basic of Current transformers

11 Selection of Lighting Luminaries

12 Different Type of Lamps and Control Gear

13 What should you know before buying LED Bulbs

14 Type of Lighting Bulb Base & Socket

15 Type of Lighting Bulb Shape & Size

16 What is Fixture’s Beam Angle & Beam Diameter

17 Difference between High Bay and Low Bay Flood Light

18 Various Factor for illumination Calculation

19 How to design efficient Street Light

20 Cable Construction & Cable Selection

21 Difference between Unearthed & Earthed Cables

22 Low Voltage and High Voltage Cable Testing

23 EHV/HV Cable Sheath Earthing 24 HIPOT Testing

25 Type of Cable Tray 26 Type of Cable Glands

27 Cable Tray Size as per National Electrical Code-2002, Article 392

28 Method for Installation of Cable & Wire

29 Method for Installation of Cable Tray

30 Method for Installation of Conceal & Surface Conduits

31 Difference between Fault Current and Short Circuit Current

32 Difference between PVC- LSF-LSHF- FR- FRLS -FRLSH and FS cables.

33 HV Cable Termination Method and Precaution

34 Reasons for HV Cable Termination Kit Failure.

35 CO Detection and Control Systems for Basement Parking

36 Method for Installation of Earthing Strip / Wire

37 What is Earthing

38 Difference between Bonding, Grounding and Earthing

39 Method of Earth Resistance Testing

40 Working Principle of ELCB / RCCB

41 Difference between MCB-MCCB-ELCB-RCBO-RCCB

42 What is Correct Method of MCB Connections

43 Type of MCB & Distribution Board

44 Type and Specification of Fuse

45 How to Select MCB / MCCB

46 Tripping Mechanism of MCCB

47 Setting of over Load, Short circuit & Ground Fault Protection of MCCB

48 Types and Revolution of Electrical Relay

49 Method for Instalaltion of DB or Panel 50 Working Space for Electrical Equipments - Panels

51 Forms of Separation for Panel

52 Electrical Questions & Answers

53 Type of Electrical Power Distribution System

54 Impact of Floating Neutral in Power Distribution

55 Total Losses in Power Distribution & Transmission Lines

56 Single Earthed Neutral and Multi Earthed Neutral

57 Types of Neutral Earthing in Power Distribution

58 Effects of unbalanced Electrical Load

59 Vibration Damper in Transmission Line 60 What is Ferranti Effect

61 What is Corona Effect

62 Harmonics and its Effects

63 What is Demand Factor-Diversity Factor-Utilization Factor-Load Factor

64 Guideline of Design Electrical Network for Building / Small Area.

65 Type-Size- Location of Capacitor in Electrical System

66 Types of Overhead Conductors

67 What is Power Factor

68 11KV/415V over Head Line’s Specification as per REC

69 Analysis the Truth behind Household Power Savers

70 How Reactive Power helpful to maintain a System Healthy

71 Effects of High Voltage Transmission Lines on Humans and Plants

72 How to save Electrical energy at Home

73 Type of Lighting Arrestor

74 Selection of Surge Protective Device (SPD)

75 Selection of Various Types of Inverter

76 Selection of Various Types of UPS

77 Method of Statement for HVAC System

78 Method of Statement for Fire Fighting Works

79 Method for Wrapping Coating & Holiday Test for Fire Fighting Pipe