Design and control considerations for an example of the waste water pumping station
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…...
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Feb 14, 2020 | Miodrag Kokotovic
Soft starter for potable water well pump (wiring diagram, troubleshooting example)
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…...
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20% on EEP Pro Premium Membership - use discount code BLACKFRIDAY20Log InSign Up
Dec 27, 2019 | Miodrag Kokotovic
How can a PLC and VFD be used for pump control (power and control circuits)
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,…...
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This page requires a Premium Membership. Get access to premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership that works best for you or your organization.You can purchase annually based Plus, Pro, or Enterprise membership.
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20% on EEP Pro Premium Membership - use discount code BLACKFRIDAY20Log InSign Up
Nov 27, 2019 | Miodrag Kokotovic
Five 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
Five Terms You MUST Be Familiar With: SCADA, DCS, PLC, RTU and Smart Instrument
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
How Sensors and Actuators Work Behind RTUs and SCADA Systems
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
Contactor As An Important Part Of The Motor Control Gear
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
10 Different Duty Types (Load Cycle) Of A Three-Phase Asynchronous Motors
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
Practical Basics Of Synchronous Motors That Every Electrical Engineer Should Know
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
Precautions for start and stop control of AC drives and problems that might arise
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
The Basics of Hardware and Software for SCADA Systems You Should Know About
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
Yup, it’s the motor drive that makes systems in motion all around us
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 tips for connections and routing inside industrial control panel
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
Four most popular PLC programming languages for implementation of control diagrams
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
PLC power supply and safety (emergency) circuits requirements
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
