Field devices and signals used for LV SCADA operations

At low voltage level, SCADA applications are usually used for process control and monitoring of equipment. Furthermore, incoming circuit breakers or switch disconnectors inside large LV switchboards may also be…...

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Sep 05, 2019 | Miodrag Kokotovic

5 ingredients that make SCADA operation delicious

To explain in very simple words, I would say that SCADA is a bunch of equipment that provides an operator at a remote location with sufficient information to determine the… Read more

Feb 04, 2019 | Edvard

Secondary equipment you should always consider when retrofitting existing HV substation

This approach assumes retrofitting and upgrading old substation secondary equipment such as intelligent electronic devices (IEDs), monitoring sensors, power apparatus, communication protocol and operating standards to improve the overall performance… Read more

Sep 17, 2018 | Edvard

Substation level data acquisition architecture and communication protocol (IEC 61850)

This technical article reviews substation level data acquisition architecture and communication protocol described in IEC 61850. IEC 61850 is the current international standard for substation automation (SA). The focus of… Read more

May 09, 2018 | Edvard

How to control and protect capacitor banks before something goes wrong

The purpose of a capacitor bank’s protective control is to remove the bank from service before any units or any of the elements that make up a capacitor unit are… Read more

Jan 24, 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

Philosophy of a good relay protection settings for machines and plants

The objectives of the protection system are: to limit damage to people and to the plant, permit different service conditions, guarantee maximum service continuity for the plant not affected by faults and activate the automatisms… Read more

Jun 09, 2017 | Edvard

A case study of 110/10 kV substation with centralized protection, automation and control system

Centralized substation protection and control has been attempted in the past based on the available technology. This evolution is now at the intersection of sensing, protection and communication technologies, providing… Read more

Dec 21, 2016 | Edvard

This is why every industrial plant MUST have an alarm system (for monitoring processes)

In industrial plants and installations, control systems are used to monitor and control processes. Control Systems, whether a conventional Control Desk or a Computer/PLCs System with SCADA or a Distributed… Read more

Apr 01, 2016 | Edvard

7 practical tips for installing a good measuring system

There are different product families on the market: instruments that measure a single electric parameter (voltage, current, frequency, phase angle cosϕ), generally used in single phase systems, as instrumentation on… Read more

Nov 14, 2014 | Edvard