Electric Motor
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Mastering schematic drawings: Analyzing seal-in contacts in motor control circuits
In the domain of electrical engineering, seal-in contacts stand as pivotal components in control circuits, ensuring the sustained operation of electrical devices beyond the initial activation. These mechanisms play a critical role in maintaining the energized state of circuit elements,…...
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Feb 12, 2024 | By Muhammad Kashif
Electric Motor
The essentials of pumping, pump speed and flow rate control that engineers MUST know
Around twenty five percent of the energy that is consumed by electric motors worldwide is accounted for by pumping systems, and certain industrial facilities use anywhere from twenty-five to fifty percent of the total electrical energy available. There are significant… Read more
Mar 13, 2023 | By Edvard Csanyi
Energy and Power
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Design and control considerations for an example of the waste water pumping station
Wastewater pumping stations are very common application examples of three-phase induction motors. There are numerous varieties of power supply and control logic, depending on exact conditions in the place of installation, the role of the pumping station inside a sewer…...
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Feb 14, 2020 | By Miodrag Kokotovic
Industrial Automation
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Soft starter for potable water well pump (wiring diagram, troubleshooting example)
This article will analyze a real example of an electrical switchboard for a potable water well pump, containing a soft starter as one of the major components. Besides the explanation of the wiring diagram and working logic, some technical problems…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Dec 27, 2019 | By Miodrag Kokotovic
Electric Motor
With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Learn how to use PLC and VFD for pump control: Power and control circuits analysis
For the last several decades, every engineering task related to processing control is realized by the use of PLC (Programmable Logic Controller). If we are talking about induction motor control, which is the most common case, usually a VFD (Variable…...
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Nov 27, 2019 | By Miodrag Kokotovic
Industrial Automation
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 status of particular equipment/process and make actions without being physically… Read more
Feb 04, 2019 | By Edvard Csanyi
Industrial Automation
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 (RTU) and smart instrument are very important when we’re talking… Read more
Apr 25, 2018 | By Edvard Csanyi
Industrial Automation
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 followed. Any function that can be described by a mathematical… Read more
Apr 02, 2018 | By Edvard Csanyi
Electric Motor
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 a switching device (contactor) and tripping device (overload relay) mounted… Read more
Dec 15, 2017 | By Edvard Csanyi
Electric Motor
Ten different duty types (load cycle) of a three-phase asynchronous motor
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 in time. Duty considered as a generic term, for example,… Read more
Dec 11, 2017 | By Edvard Csanyi
Electric Motor
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 the air gap is not due to a component of… Read more
Nov 08, 2017 | By Edvard Csanyi
Industrial Automation
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 part of a switch-fuse unit, or a main circuit breaker…. Read more
Oct 18, 2017 | By Edvard Csanyi
Industrial Automation
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 flow rate, the mass of liquids and gases, the pressure,… Read more
Oct 02, 2017 | By Edvard Csanyi
Electronics
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, air-conditioners, ventilation fans, washers, driers and so many others all… Read more
Sep 27, 2017 | By Edvard Csanyi
Industrial Automation
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 do this and that, but this technical article will limit… Read more
Jun 21, 2017 | By Edvard Csanyi
