Electric Motor

## Motor protection depending on size and voltage level

Energy Efficiency

Power Substation

## Example of 33/11 kV substation on-site assessment report

Save 50% on all EEP Academy courses with Enterprise Membership Plan and study specialized LV/MV/HV technical articles & guides.

Energy and Power

# Why I prefer busbar trunking systems more than cables

When a planning concept for power supply is developed, it is not only imperative to observe standards and regulations, it is also important to discuss and clarify economic and technical… Read more

Jan 30, 2016 | By Edvard Csanyi

Energy and Power

# Important points about grounding of electronic equipment

Grounding electronic equipment for personal safety and clearing of faults is no different than that of any other equipment. Safe grounding requires fast opening of circuit breakers or fuses and… Read more

Jan 29, 2016 | By Edvard Csanyi

Energy and Power

# Harmonics. What are they? What do they do?

The harmonics allow to represent any periodic waveform. In fact, according to Fourier’s theorem, any periodic function of a period T may be represented as a summation of: A sinusoid with… Read more

Jan 27, 2016 | By Edvard Csanyi

Energy and Power

# 10 questions to test your electrician skills

These are not-so-easy, but also not-too-hard questions for you to try to answer and test your electrician skills. Whether you are a novice in a field of electrical engineering or… Read more

Jan 25, 2016 | By Edvard Csanyi

Power Substation

# 5 conditions for perfect parallel operation of single phase transformers

In perfect parallel operation of two or more transformers, current in each transformer would be directly proportional to the transformer capacity, and the arithmetic sum would equal one-half the total… Read more

Jan 23, 2016 | By Edvard Csanyi

Metering

# Measurement of residual currents on a distribution feeder

The measurement of the earth fault or residual currents on a distribution system feeder can be done by the so-called summation connection, where the three current transformers, one in every… Read more

Jan 22, 2016 | By Edvard Csanyi

Energy and Power

# When You Ground Ungrounded System With Grounding Transformer

The common grounding assumes a wye-connected neutral to ground. As this is not always the case, and in some cases it is not a three-phase system that it is desired… Read more

Jan 20, 2016 | By Edvard Csanyi

Energy and Power

# Wiring practices to provide future load growth in buildings

Electrical wiring is often installed without consideration for how the use of the space may change over time, particularly in residential building. This article recommends wiring practices that meet the NEC… Read more

Jan 18, 2016 | By Edvard Csanyi

Protection

# Setting the generator protective relay functions

This technical article will cover the gathering of information needed to calculate protective relay settings, the setting calculations for the various protective functions, typical generator/turbine withstand times for abnormal operating conditions,… Read more

Jan 16, 2016 | By Edvard Csanyi

Electric Motor

# Protection schemes for generators and motors

It is difficult to define precisely the protection schemes that should be adopted for an electricity distribution system, given the large number of valid alternatives for each situation, but some… Read more

Jan 15, 2016 | By Edvard Csanyi

Energy and Power

# How to identify these four parameters and lower facility’s electricity bill

The world is more energy conscious these days. But unlike you, most of the world doesn’t pay electricity bill that rivals the cost of a four bedroom home. You understand… Read more

Jan 13, 2016 | By Edvard Csanyi

Industrial Automation

# 9 Reasons For Automation Of Manufacturing Processes

Automated manufacturing systems operate in the factory on the physical product. They perform operations such as processing, assembly, inspection, or material handling, in some cases accomplishing more than one of… Read more

Jan 11, 2016 | By Edvard Csanyi

Energy and Power

# Underground substations – Out of sight, out of mind

Underground substations help to bring high voltage electricity directly into the city center. The stations are environmentally friendly, almost unnoticeable, and have none of the planning problems encountered by surface-built… Read more

Jan 09, 2016 | By Edvard Csanyi

Low Voltage

# Guidelines To Inspection Of Molded Case Circuit Breakers (MCCB)

The need for inspection of molded case breakers (MCCB) will vary depending on operating conditions. Suggested inspection and testing is defined in ANSI/NEMA AB 4, Guidelines for Inspection and Preventive… Read more

Jan 08, 2016 | By Edvard Csanyi

Cables

# 8 tips to avoid ground loops when dealing with signal level circuits

General recommendation is to properly design and implement the facility’s grounding system to avoid unwanted involvement of ground loops with the operation of the equipment. This kind of approach can… Read more

Jan 06, 2016 | By Edvard Csanyi