What is Earthing
Introduction: The main reason for doing earthing in electrical network is for the safety. When all metallic parts in electrical […]
Calculation Metrics
calucation for GI & Copper Strips wires
Method for Installation of Earthing Strip
(A) Purpose: (B) Equipment & Tools: (C) Test for Earthing Strip / Earthing Accessories: Hot dip galvanization. (IS 2629) Galvanizing
Difference between Bonding, Grounding and Earthing
Introduction: Bonding: Earthing: Grounding: Micro Difference between earthing & Grounding: (1) Difference in Terminology: (2) Balancing the Load Vs Safety:
Earthing Strip /Wire / Pit Quick Reference (As per CPWD) (Part-2)
Earthing Strip for Sub-Station Equipment CPWD-TABLE VIII Type of Installation Earth Electrode Earth Strip Indoor sub-station with HT panel, Transformer
Methods of Earth Resistance Testing (Part-1)
Introduction: Difference between Ground Resistance and Ground Resistivity Purpose of Measurement of Earth Resistivity: Earth Resistivity depends on: (1) Diameter
Methods of Earth Resistance Testing (Part-2)
Can we use an Megger or Multimeter for earth resistivity Testing Insulation Tester (Megger): Multimeter: Can Earth resistance reduce by
Calculate Qty of Earthing Material & Size of Rod
Calculate Qty of Chemical Earthing and size of Earthing Rod for following specification. Calculation: (A) Calculate Required Chemical Earthing Material
GALVANISED IRON STRIP ( GI Strip)
In order to connect the equipments like Diesel Generators, Transformers and equipment to Earthing Electrodes which are likely to carry fault current
Calculate Dimension of Electrical Panel from SLD
Introduction: General Switchgear arrangements in Panel Factors to be considered to calculate Dimension of Panel: General Compartment Size for various
Typical Earthing Resistance Value
USAID a) Power stations (generating station) 0.5 ohms b) EHT Sub-station 1.0 ohms c) 33 KV Stations 2.0 ohms d)
Methods of Earth Resistance Testing (Part-3)
(3) Two Point (Dead Earth) Method. Required Equipment: Connections: Testing Procedure: Advantage: Disadvantage: (4) Clamp-on test method Required equipment: Connections setup: Testing
Calculation Metrics, Earthing / Lightning Protection
Earthing Strip /Wire / Pit Quick Reference-(Part-1)
Transformer-Earthing Wire / Strip Size: Size of T.C or DG Body Earthing Neutral Earthing <315 KVA 25×3 mm Cu /