Electrical Calculation

Electrical Calculation and Electrical Notes on Electrical Engineering:

All Notes ,Calculations & Abstracts are Based on Some Electrical References. All References are mention at end of each Notes.

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Electrical Calculation :                         .

(1) Cable:

1. Calculation of Cable Tray Size
2. Calculate Cable Trunking Size
3. Calculate Conduit Size for Wire / Cables
4. Calculate Cable Size and Voltage Drop

(2) Panel / Bus bar / Relay:

1. Calculate Size of Bus bar & Panel Design
2. Calculate IDMT over Current Relay Setting (50/51)
3. Calculate TC Size & Voltage Drop due to starting of Large Motor
4. Calculate Size of Solar Panel
5. Calculate Size of Main ELCB/ Branch MCB of Distribution Box

(3) Transmission / Distribution / Transformer:

1. culate Size of Circuit Breaker/ Fuse for Transformer (As per NEC)
2. Calculation Short Circuit Current (Base KVA Method)
3. Calculate Technical Losses of Transmission / Distribution Line
4. Calculate Voltage Regulation of Distribution Line
5. Calculate Transformer Regulation & Losses (As per Transformer Name Plate)

(4) Earthing / Lighting Protection:

1. Calculate Numbers of Plate/Pipe/Strip Earthings (Part-3)
2. Calculate Numbers of Plate/Pipe/Strip Earthings (Part-2)
3. Calculate Numbers of Plate/Pipe/Strip Earthings (Part-1)
4. Calculate Lightening Protection for Building / Structure
5. Calculate Size of Neutral Earthing Transformer (NET)
6. Calculate Size of Circuit Breaker/ Fuse for Transformer (As per NEC)

(5) Illumination / Street Light / Flood Light:

1. Calculate Size of Pole Foundation & Wind Pressure on Pole
2. Calculate Street Light Pole’s Distance / Fixture Watt / Lighting Area
3. Calculate No of Street Light Poles
4. Calculate No of Lighting Fixtures / Lumen for Indoor Lighting
5. Calculate Lighting Fixture’s Beam Angle and Lumen
6. Simple Calculation of Flood Light, Facade Light, Street Light & Signage Light-(Part-2)
7. Simple Calculation of Flood Light, Facade Light, Street Light & Signage Light-(Part-1)
8. Calculate Voltage drop for Street Light Poles

(6) Motor:.

1. Calculate Size of Cable for Motor (As NEC)
2. Calculate Size of Contactor, Fuse, C.B, Over Load Relay of DOL Starter
3. Calculate Size of Contactor / Fuse / CB / OL Relay of Star-Delta Starter

(7) Others:.

1. Calculate Motor Pump Size
2. Calculate Size of Capacitor Bank / Annual Saving & Payback Period
3. Calculate Size of Diesel Generator Set
4. Calculate Size of Inverter / Battery Bank
5. Calculate Required Air ventilation and Heat generation of D.G Set
6. Calculate Size of Ventilation Fan
7. Calculate Size of Pole Foundation & Wind Pressure on Pole
8. Calculate Size of Anchor Fastener for Water Pipe Support
9. Calculation of Crippling (Ultimate Transverse) Load on Electrical Pole