Electrical Lectures
Electrical Thumb Rules You MUST Follow (1)
Cable Capacity Current Capacity of Equipment Earthing Resistance Minimum Bending Radius Insulation Resistance Lightning Arrestor Transformer Diesel Generator Current Transformer Quick Electrical Calculation For Cu Wire Current Capacity (Up to… Read more
Aug 23, 2013 | By jiguparmar
Electric Motor
Drive Design in Electric Vehicles
Good Evening all, in this session I’m going to present some of the issues in drive design in the field of Electric Vehicle. I’ve organized the whole series into modules… Read more
Aug 21, 2013 | By Vishy
Energy and Power
Tesla’s Big Tower To Be Sold For Debt, BROOKLYN DAILY TIMES, June 12, 1907
This article was originally posted in The Brooklyn Daily Times on June 12, 1907. The tower of Wonders at Wardercliffe, where Nikola Tesla, the inventor, preserved SUCH MYSTERY and where it… Read more
Aug 17, 2013 | By Edvard Csanyi
Energy and Power
National Fire Alarm Code Defined By NFPA 72
NFPA 72 is the National Fire Alarm Code. The importance of installing smoke and fire alarms in homes is supported by results from exhaustive investigations of home fires indicating that… Read more
Aug 16, 2013 | By Edvard Csanyi
Electric Motor
Selection Of Crane Duty Motors (Part 3)
Continued from second part: Selection Of Crane Duty Motors (Part 2) N = Duration of motor operation under rated conditions R = Duration of motor at rest and de-energised ØMax… Read more
Jul 27, 2013 | By Ashok Parikh
Energy and Power
Equipotential Bonding For Metal Installations
The electrical low voltage consumer’s installation requiring certain earthing resistances (disconnection conditions of the protective elements) and the foundation earth electrode providing good earthing resistances at cost-effective installation, the foundation… Read more
Jul 26, 2013 | By Edvard Csanyi
Electric Motor
Selection Of Crane Duty Motors (Part 2)
Continued from first part: Selection Of Crane Duty Motors (Part 1) Following two types of motors are widely used for crane duty applications. Squirrel Cage Crane Duty Motors Slip ring… Read more
Jul 24, 2013 | By Ashok Parikh
Electric Motor
Selection Of Crane Duty Motors (Part 1)
The operating conditions such as duty cycle, startup, temperature and operating environment are vital considerations in the motor efficiency and reliability. It is absolutely essential to match the motors to… Read more
Jul 22, 2013 | By Ashok Parikh
Energy and Power
Micro Hydro Power Plant With Automatic Frequency and Excitation Control
First of all, I am very glad to say that our project was successful. It is hydro power plant which was completed totally by our five members team namely me,… Read more
Jul 19, 2013 | By Aakash Johari
Energy and Power
NEC Branch Circuit Requirements
The National Electrical Code (NEC 2011) provides guidance for electrical contractors and electricians, but it is really intended for use by governmental agencies that have legal jurisdiction over electrical installations… Read more
Jul 15, 2013 | By Edvard Csanyi
Electrical Lectures
Development of a Sine-Wave Output In AC Generator
The elementary AC generator (Figure 1) consists of a conductor, or loop of wire in a magnetic field that is produced by an electromagnet. The two ends of the loop are… Read more
Jul 08, 2013 | By Edvard Csanyi
Energy and Power
A Few Words About Battery Hazards and Why They Happen
Because batteries store large amounts of energy, there are certain hazards that are associated with battery operation. These hazards must be fully understood to ensure safe operation of batteries. Cell… Read more
Jul 03, 2013 | By Edvard Csanyi
Energy and Power
Surge protective categories defined by ANSI/IEEE C62.41
Three different surge protective classes or zones have been defined by ANSI/IEEE C62.41, Recommended Practice on Surge Voltages in Low Voltage Power Circuits. These classes are illustrated in the pictorial diagram… Read more
Jun 28, 2013 | By Edvard Csanyi
Energy and Power
Thinking About Security Considerations in SCADA Systems (2)
Continued from previous part: Thinking About Security Considerations in SCADA Systems (1) In this part of technical article, I will focus on various types of threats which must be considered… Read more
Jun 26, 2013 | By Bipul Raman
Energy and Power
Thinking About Security Considerations in SCADA Systems (1)
SCADA System can be affected by a number of threats, which may be natural or intentional. So it is very much important to focus on security aspects of SCADA Systems. In… Read more
Jun 24, 2013 | By Bipul Raman
