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 | By Miodrag Kokotovic

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…...
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This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.
NOTE! - With an Enterprise plan, you get a 50% off on all courses at the EEP Academy.
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Dec 27, 2019 | By 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,…...
PREMIUM Membership Required
This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.
NOTE! - With an Enterprise plan, you get a 50% off on all courses at the EEP Academy.
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Nov 27, 2019 | By 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 | By 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 | By 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 | By 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 | By Edvard

Ten 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 | By 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 | By 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 | By 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 | By 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 | By 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 | By 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 | By 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 | By Edvard
