Electrical System Designing Made Simple

Rajiv Shankar is an M.Tech ( Electrical) from IIT, Delhi, India. He has 20 years experience in installation, testing, commissioning and maintenance of electrical systems. He is now Senior Manager ( Electrical) , Krishak Bharati Cooperative Limited, Surat.

General Aspects of Electrical Substation Designing • Introduction • Different Types of Loads • Estimation of Load • Choice of Voltage • Safety, Reliability and Flexibility in design • Space Requirement and Choice of Indoor/Outdoor Substation • Environmental Conditions • Area Classification • Conclusion • Software • Transformer • Introduction • Selection of transformer • Comparison between dry type and oil filled transformer • Specifications • Installation • Safety requirements • Commissioning • Maintenance • Other important aspects of transformer • Evaluation of transformer losses • Conclusion • Software • Power Control Centre • Introduction • Bus-Bar • Switching devices • HT circuit breaker • Comparison between different types of circuit breakers • Specifications • Low voltage protective devices • General requirements • Protection and measuring schemes • Installation • Testing • Future trends in power control center and motor control centre • Conclusion • Software • HT and LT Cables • Introduction • Construction • Specifications • Selection • Installation • Economics in selection of cable • Conclusion • Software • Bus-duct • Introduction • Selection • Ambient conditions • Material • Rating • Enclosure • Calculation of Bus Bar size • De-rating due to temperature rise • De-rating due to enclosure • De-rating due to altitude • Specifications • Conclusion • Software • Capacitor Bank • Introduction • Reactive power • Power Factor • Remedy of poor power factor • Location of capacitor bank • Economics of power factor improvement • Conclusion • Software • Grounding • Introduction • Types of system grounding • Solid grounding • Resistance grounding • Reactance grounding • Transformer grounding • System grounding points • Calculation of ground fault current • Equipment grounding • Design of earth electrodes • Plate electrode • Pipe electrode • Strip electrode • Conclusion • Software • Battery Bank and Battery Charger • Introduction • Lead-Acid battery • Nickel Cadmium battery • Selection • Environment • Comparison between wet and sealed low maintenance battery • Sizing of battery • Rate of discharge • Temperature correction • Aging factor • End cell voltage • Comparison between lead-acid and nickel-cadmium battery • Memory effect • Sulfation • Specifications of battery • Battery charger • Specifications of battery charger • Tests • Capacity test • Conclusion • Software • Diesel Generating Set • Introduction • Selection of DG set • Non linear load • Capacitive load • Unbalance load • Motor load • Assessment of load • Location for installation of DG Set • Specifications • Conclusion • Software • References and Bibliography • Indian Standards • Index.