Get access to premium HV/MV/LV technical articles, technical guides & papers. Apply a 20% discount code: 99AF8 for a 1-year plan!
There are numerous variations of MV switchgear topology, measurement, and control logic. However, there are also some basic rules related to these aspects which may be frequently seen in practice,…...
Mar 12, 2020 | Medium Voltage ♛
This technical article explains the protection practices applied to shunt reactors and capacitors as well as to static var compensators (SVCs) and static compensators (STATCOMs). Dry-type and oil-immersed reactors usually… Read more
Mar 11, 2020 | Protection
A feeder carries energy to a substation or bus or to several loads. The several substation feeder arrangements are discussed in this technical article. Feeder may connect two substation buses… Read more
Mar 09, 2020 | Power Substation
Power transformers are used extensively by traditional electric utility companies, power plants, and industrial plants. This technical article summarizes the basic types, connections, and diagrams of transformers needed for analyzing…...
Mar 05, 2020 | Power Substation ♛
Not all existing electrical installations lack energy efficiency, but most of them do. Especially if they were built 15-20 years ago and older. Although it is generally acknowledged that substantial… Read more
Mar 04, 2020 | Energy and Power
The primary distribution system of an industrial plant is generally the higher voltage portion of the system, starting with the purchased-power service and including generators, switching equipment, circuits, and all… Read more
Mar 02, 2020 | Power Substation
This article will analyse some of the most important safety issues related to design and use of LV electrical installations. Besides explanation of relevant terms in this field defined by…...
Feb 28, 2020 | Energy and Power ♛
Medium voltage networks are networks with rated voltages of over 1 kV and up to 36 kV. Medium voltage switchgear is used in transformer substations and switching substations, and in… Read more
Feb 26, 2020 | Medium Voltage
Power plant auxiliary system is usually pretty complicated and consists of dozen of motors, transformers, capacitor banks, variable frequency drives, PLCs, and other electrical devices. Therefore, protection relaying cannot be… Read more
Feb 24, 2020 | Electric Motor
To be honest, transmission and distribution networks are full of problems. But that’s nothing new, and you already knew that. This technical article will shed some light on solving some… Read more
Feb 17, 2020 | Energy and Power
Waste water pumping stations are very common application examples of three phase induction motor. There are numerous varieties of power supply and control logic, depending on exact conditions in the…...
Feb 14, 2020 | Energy and Power ♛
Technology that RCD uses is so simple and so magical. The residual current device continually measures the difference between the value of the outgoing and incoming currents in the circuit… Read more
Feb 12, 2020 | Energy and Power
The primary purpose of transformer maintenance is to ensure the internal and external parts of the transformer and accessories are kept in good condition and “fit for purpose” and able… Read more
Feb 10, 2020 | Maintenance
Let’s start with some basic definitions from the United States National Electrical Code (NEC). An LV switchboard is generally defined as a large single panel, frame, or assembly of panels…...
Feb 05, 2020 | Low Voltage ♛
The choice of a neutral earthing system is dependent on requirements and objectives that are often contradictory to such an extent that sometimes several systems have to be created within… Read more
Feb 03, 2020 | Energy and Power