Practical approach in design and installation of detuned capacitor banks

During last two or three decades, the number of nonlinear electrical loads inside all types of buildings and facilities (residential, business, commercial and industrial) has been significantly increased. All that…...

PREMIUM Membership Required

This content is available for Premium members only. Get access to premium HV/MV/LV technical articles, electrical engineering guides and research studies.
Apply a 20% discount code 99AF8 for a 1-year plan! Login ♛Sign Up ♛

Mar 15, 2019 | Miodrag Kokotovic

Earthing facts and terms you should always remember

While working as an electrical engineer, there are a dozen things you must remember, especially the ones that concern the safety. Whether you are in the electrical design field or… Read more

Mar 04, 2019 | Edvard

Six MV/HV applications of series capacitors for improving the power quality

Series capacitors are connected in series in the circuit and therefore carry the full transmission line current. The series capacitor is actually a negative reactance in series with a transmission… Read more

Jan 23, 2019 | Edvard

How to determine compensation of reactive power of an electrical installation

Improving the power factor of an electrical installation (compensation of reactive power) has many economic and technical advantages, but it’s not always easy to do so. There are numerous approaches…...

PREMIUM Membership Required

This content is available for Premium members only. Get access to premium HV/MV/LV technical articles, electrical engineering guides and research studies.
Apply a 20% discount code 99AF8 for a 1-year plan! Login ♛Sign Up ♛

Jan 11, 2019 | Edvard

Installing and setting into operation of automatically controlled compensation banks

During previous decades manufacturers of automatic compensation banks faced increasing competition worldwide. They were forced to produce as economically as possible. Now, new technologies have been developed compared with the… Read more

Jul 23, 2018 | Edvard

Why to automate power substation? What do you get?

Substation automation involves the deployment of substation and feeder operating functions and applications ranging from SCADA and alarm processing, to integrated volt-var control in order to optimize the management of… Read more

Jul 09, 2018 | Edvard

16 power correction devices available to install and really improve the power quality

All modern electronic devices are vulnerable to the poor power quality. But why? What can you do about it? This technical article describes 12 types of power correction devices (16… Read more

Jun 18, 2018 | Edvard

Design of primary and secondary power distribution in car manufacturing plants (BMW, VW…)

When power supply systems for car manufacturing plant are planned, each individual problem can be faced in various ways: by means of technical solutions that feature specific technical advantages. This… Read more

May 30, 2018 | Edvard

Step-by-step tutorial for building capacitor bank and reactive power compensation panel

Design of reactive power compensation panel is much different and not that simple like standard distribution panel. When dealing with such panels, there are dozen of parameters to specify and… Read more

Feb 28, 2018 | Edvard

How To Control Reactive Power In Larger Electrical Plants With Multiple Incomers

Most compensation banks are controlled stepwise. For this purpose it is essential to ‘know’ when it is allowed to (de)activate a capacitor step by the power factor relay (controller). The… Read more

Nov 15, 2017 | Edvard

How bad harmonics influence the work of motors and generators, transformers, capacitors etc.

The distortion in the waveform in the load current of any nonlinear device causes similar changes in the voltage waveform relative to the harmonic impedance of the source network. This… Read more

Oct 25, 2017 | Edvard

Improvement of Power Quality via Dynamic Reactive Power Compensation Systems

In many cases, industrial plants are characterized in particular by the use of highly dynamic drive technology. In addition to the undeniable advantages of these modern technologies, there is the… Read more

Oct 11, 2017 | Edvard

Unbalance protection of grounded & ungrounded wye shunt capacitor banks

The protection of shunt capacitor banks against internal faults involves several protective devices in a coordinated scheme. Typically, the protective elements found in a shunt capacitor banks (SCB) for internal… Read more

Jul 26, 2017 | Edvard

Practical solutions for preventing ferroresonance in electrical installations

Ferroresonance is a non-linear resonance phenomenon that can affect power networks. The abnormal rates of harmonics and transient or steady state overvoltages and overcurrents that it causes are often dangerous… Read more

Jul 17, 2017 | Edvard

Power quality monitoring with line disturbance analyzers and voltage recorders

Many power quality problems are caused by inadequate wiring or improper grounding. These problems can be detected by simple examination of the wiring and grounding systems. Another large population of… Read more

Jul 03, 2017 | Edvard