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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 | Miodrag Kokotovic
This article will analyse a real example of electrical switchboard for potable water well pump, containing soft starter as one of major components. Besides explanation of wiring diagram and working…...
Dec 27, 2019 | Miodrag Kokotovic
For the last several decades, every engineering task related to process control is realized by the use of PLC (Programmable Logic Controller). If we are talking about induction motor control,…...
Nov 27, 2019 | Miodrag Kokotovic
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
This technical article shed light on terminology used in the field of SCADA and industrial automation. The terms SCADA, distributed control system (DCS), programmable logic controller (PLC), remote terminal unit… Read more
Apr 25, 2018 | Edvard
RTUs (remote terminal units) are now made from small computers. Shortly after this began, controller algorithms were programmed into the RTU. Flow totalizers, power factor calculators, and logic solvers soon… Read more
Apr 02, 2018 | Edvard
Motor control gear and associated circuitry are fundamental parts of electrical distribution and utilisation systems. Motor control gear in its simplest form may be a direct on-line starter consisting of… Read more
Dec 15, 2017 | Edvard
The term duty defines the load cycle to which the machine is subjected, including, if applicable, starting, electric braking, no-load and rest de-energized periods, and including their durations and sequence… Read more
Dec 11, 2017 | Edvard
Like the asynchronous motor, the synchronous motor consists of a stator and a rotor separated by the air gap. It differs from the asynchronous motor in that the flux in… Read more
Nov 08, 2017 | Edvard
The protection of the mains supply side of the converter requires a short-circuit protection. This can be, either in the form of a set of adequately rated fuses, usually as… Read more
Oct 18, 2017 | Edvard
As it is known, the SCADA systems are able to measure and monitor different parameters and variables, such as: the level of liquids, the volume of the gases, the volumetric… Read more
Oct 02, 2017 | Edvard
On the outset, it may be due to wheels as in the case of an automobile. What actually drives these movements, though, are motors. Additionally, many household appliances such refrigerators,… Read more
Sep 27, 2017 | Edvard
Wiring industrial control panels is a complex process and it needs a number of carefully planned and performed details. However, there are dozen of tips and advices on how to… Read more
Jun 21, 2017 | Edvard
PLCs from different manufacturers can be programmed in various ways. Popular programming languages for PLCs are ladder diagrams, Function Block Diagrams (FBD), and statement list. With a few exceptions, a… Read more
Jun 12, 2017 | Edvard
The source for a PLC power supply is generally single-phase and 120 or 240 VAC. If the controller is installed in an enclosure, the two power leads (L1 hot and… Read more
Mar 15, 2017 | Edvard