Electrical Notes
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 Notes: .
(1) Motor & Starter: .
- Star-Delta Starter
- Direct On Line Starter
- Motor Name Plate Terminology
- Overload Relay Size & Contactor for Starter
- Abstract of NEC:430 for Size of Cable for Single or Group of Motors
- Standard Electrical Motor Connections
- Electrical Motor Quick Reference
(2) Transformer: .
- Parallel Operation of Transformer
- Vector Group of Transformer
- Auto Transformer Connection
- Scott-T Connection of Transformer
- Zig-zag Connection of Transformer
- Star-Delta Connection of Transformer
- Delta-Star Connection of Transformer
- Delta-Delta Connection of Transformer
- Star-Star Connection of Transformer
- Various Routine Test of Power Transformer-(Part-4)
- Various Routine Test of Power Transformer-(Part-3)
- Various Routine Test of Power Transformer-(Part-2)
- Various Routine Test of Power Transformer-(Part-1)
- Abstract of over current Protection of Transformer (NEC 450.3)
- Electrical Safety Clearance for Transformer
- Abstract of National Electrical Code for Transformer’s Protection
- Difference between Power Transformer and Distribution Transformer
- Type & Selection of Current Transformer
- Transformer Accessories.
- Minimum Acceptable specification for Metering C.T
- Transformer Quick Reference
(3) Lighting Luminars: .
- Electrical Illumination Values -(Part-1).
- Electrical Illumination Values-(Part-2).
- Electrical Illumination Values-(Part-3).
- Electrical Illumination Values-(Part-4).
- Electrical Illumination Values-(Part-5).
- Quick Reference Lighting Power Densities
- Difference Between High Bay-Low Bay and Flood Light Fixture
- What should you know before buying LED Bulbs (Part:3)
- What should you know before buying LED Bulbs (Part:2)
- What should You know before buying LED Bulb (Part:1).
- Selection of Street Light Luminar-(Part-6)
- Selection for Street Light Luminar-(PART-5)
- Selection for Street Light Luminar-(PART-4)
- Selection for Street Light Luminar-(PART-3)
- Selection for Street Light Luminar-(PART-2)
- Selection for Street Light Luminar-(PART-1)
- Different Types of Lamps
- What is Fixture’s Beam Angle & Beam Diameter (Part-2)
- What is Fixture’s Beam Angle & Beam Diameter (Part-1)
- Type of Light Bulb base & Socket (Part-1)
- Type of Light Bulb base & Socket (Part-2)
- Type of Lighting Bulbs (Shapes and Sizes) Part-1
- Type of Lighting Bulbs (Shapes and Sizes) Part-2
- Type of Lighting Bulbs (Shapes and Sizes) Part-3
- Type of Lighting Bulbs (Shapes and Sizes) Part-4
- Type of Lighting Bulbs (Shapes and Sizes) Part-5
- Various Factors for Illumination Calculations
- How to Design Efficient Street Lighting-Part-4
- How to Design Efficient Street Lighting-Part-3
- How to Design Efficient Street Lighting-Part-2
- How to Design Efficient Street Lighting-Part-1
(4) MCB / MCCB / Fuse / Relay: .
- MCB / MCCB / ELCB Quick Reference (Part-1)
- MCB /MCCB / ELCB Quick Reference (Part-2)
- What is Correct Method of MCB Connections
- Setting of overload, Short circuit & Ground Fault Protection of MCCB (PART-1)
- Setting of overload, Short circuit & Ground Fault Protection of MCCB (PART-2):
- Type of Tripping Mechanism of MCB / MCCB-(Part-1)
- Type of Tripping Mechanism of MCB / MCCB-(Part-2)
- How to select MCB / MCCB (Part-1)
- How to select MCB / MCCB (Part-2)
- How to select MCB / MCCB (Part-3)
- Selection of 3P-TPN-4P MCB & Distribution Board
- Difference Between MCB/MCCB/ELCB/RCCB
- Type & Selection of Fuse
- Specification for Re wirable Cut Out Fuse Unit
- Over Current Relay(Type-Application-Connection)
- Types and Revolution of Electrical Relays
- Working Principle of ELCB and RCB
(5) Earthings: .
- Earthing Strip / Wire / Pit Quick Reference (Part-1)
- Earthing Strip / Wire / Pit Quick Reference (As per CPWD) (Part-2)
- Difference between Bonding, Grounding and Earthing
- What is Earthing
- Single Earthed Neutral and Multi Earthed Neutral.
- Method for Installation of Earthing Strip
- Methods of Earth Resistance Testing (Part-1)
- Methods of Earth Resistance Testing (Part-2)
- Methods of Earth Resistance Testing (Part-3)
(6) Cables: .
- Cable Construction & Cable Selection-Part:4
- Cable Construction & Cable Selection-Part:3
- Cable Construction & Cable Selection-Part:2
- Cable Construction & Cable Selection-Part:1
- Cable Tray Size as per National Electrical Code-2002. Article 392
- Difference between Unearthed Cable & Earthed Cables
- Type of Gland
- Gland Size Selection
- EHV XLPE – Current Rating
- XLPE Cable-Current Rating
- PVC Cable-Current Rating
- EHV/HV Cable Sheath Earthing
- Low Voltage and High Voltage Cable Testing
- HIPOT Testing
- Type of Cable Tray.
(7) Power Factor Correction / Harmonic: .
(8) Power Distributions & Transmissions: .
- Vibration Damper in Transmission Line
- Total Losses in Power Distribution and Transmission Lines-(Part 2)
- Total Losses in Power Distribution & Transmission Lines-(Part 1)
- Size and Location of Capacitor in Electrical System-(Part 2)
- Size and Location of Capacitor in Electrical System-(Part1)
- Impact of Floating Neutral in Power Distribution
- Effects of High Voltage Transmission Lines on Humans and Plants
- Analysis the Truth behind Household Power Savers
- Types of Neutral Earthing in Power Distribution Systems
- Type of Electrical Power Distribution systems
- 11KV/415V Overhead Line Specification as per REC
- Power Quality
- Ferranti Effect in Transmission Line
- What is Corona Effect in Transmission Line
- How Reactive Power helpful to maintain a System Healthy
- Types of Overhead Conductors
- Guideline to Design Electrical Network for Building / Small Area.
- Effects of unbalanced Electrical Load (Part:2)
- Effects of unbalanced Electrical Load (Part:1)
(9) Demand Factor-Diversity Factor-Utilization Factor: .
- What is Demand Factor-Diversity Factor-Utilization Factor-Load Factor
- Demand-Diversity Factor Value Quick Reference
(9) Sub Station / Electrical Equipment Safety Clearance: .
- Electrical Safety Clearance for Electrical Panel
- Electrical Safety Clearance (Western Power Company ,Australia )(Part-6)
- Electrical Safety Clearance (New Zealand Electrical)(Part-5)
- Electrical Safety Clearance (ETSA Utilities,Australia) (Part-4)
- Electrical Safety Clearance (Northern Ireland Electricity )(Part-3)
- Electrical Safety Clearance (IE/CEA) (Part-2)
- Electrical Safety Clearance (Qatar General Electricity) (Part-1)
- Sub Station Abstracts-(Part-1)
- Sub Station Abstracts -(Part-2)
- Sub Station Abstract -( Part-3)
- Electrical Clearance in Substation.
- Typical Limiting Values of Substation Equipment.
- Standard Makes for Electrical Equipment
- Minimum Electrical Equipment Clearance (As per BS / IE Rules).
- Electrical Voltage Limit Quick Reference
(9) Diesel Generator Set: .
(9) Lighting Arrester / SPD: .
- Lighting Arrester
- Selection of Surge Protective Device (SPD)- (Part 4)
- Selection of Surge Protective Device (SPD)- (Part 3)
- Selection of Surge Protective Device (SPD)- (Part 2)
- Selection of Surge Protective Device (SPD)- (Part 1)
(10) Inverter / UPS: .
- What is Difference between UPS & Inverter
- Selection of Various Types of Inverter-(Part-1)
- Selection of Various Types of Inverter-(Part-2)
- Selection of Various Types of Inverter-(Part-3)
- Selection of Various Types of UPS (Part-1)
- Selection of Various Types of UPS (Part-2)
(10) Electrical Abstract- (NBC / NEC / IE Rule / CEA / CPWD / IS Code): .
- Internal Electrical Work Abstract of CPWD
- Electrical Abstract-National Building Code (NBC)
- Electrical Abstract -National Electrical Code (NEC)
- Indian Electricity Rules-Abstract.
- Indian Standard Code-Abstract (IS:1554/IS:15652/IS:1678/IS:1255/IS:694
- Indian Standard Code-Abstract (IS:5613/IS:5039/IS:11892/IS:1455/IS:11171.
(11) Others (Electrical):
- Electrical Useful Equations.
- Electrical Costing (Per Sq.foot) Quick Reference
- IP Rating for Electrical Enclosure
- Insulation Resistance (IR) Values of Electrical Equipment
- Electrical Energy Saving Tips