by Armando Chacon | Nov 11, 2021 | Control Engineering
The LTC allows voltage regulation and/or phase shifting by varying the transformer ratio under load without interruption, changes the ratio of a transformer by adding turns to or subtracting turns from either theprimary or the secondary winding also the transformer...
by Armando Chacon | Mar 15, 2021 | Control Engineering
Circuit breakers are used in the following: In power plants and substations, they protect the main equipment from overloading, short circuit and thus, partial or total damage which costs very much.In branch circuits, they protect mainly the cables from overloading and...
by Armando Chacon | Feb 7, 2021 | Control Engineering
A CT consists of two sets of wire windings around an iron core, you can see how a CT is built in the next video: Transformers work based on the principle of electromagnetic induction. This principle states that an alternating magnetic flux in the presence of a loop of...
by Armando Chacon | Jan 31, 2021 | Control Engineering
Industry transformer is essential to guarantee electricity for everybody, every building depends on a transformer to maintain continuous operations, for that reason is very important to maintain the safety and increase the transformer life cycle. The control devices...
by Armando Chacon | Jan 23, 2021 | Control Engineering, Electrical Codes and Standards
The use of prefixes and suffixes is normally used when we build a sheet to indicate our device’s description, imagine a world where every engineer and company uses their own prefixes, would be chaos. You will find in the engineering field that every company uses...
by Armando Chacon | Jan 17, 2021 | Control Engineering
Electromagnetic Control Relays An electrical relay is a magnetic switch. It uses electromagnetism to switch contacts. A relay will usually have only one coil but may have any number of different contacts. Reference Video-Electromagnetic Control Relays With no current...
by Armando Chacon | Jan 3, 2021 | Control Engineering
Memory is the element that stores information, programs, and data in a PLC. The user memory of a PLC includes space for the user program as well as addressable memory locations for storage of data. Data are stored in memory locations by a process called writing. Data...
by Armando Chacon | Dec 31, 2020 | Control Engineering
Many different types of I/O modules have been developed to meet special needs. HIGH-SPEED COUNTER MODULE The high-speed counter module is used to provide an interface for applications requiring counter speeds that surpass the capability of the PLC ladder program....
by Armando Chacon | Dec 27, 2020 | Control Engineering
Discrete devices are inputs and outputs that have only two states: on and off. In comparison, analog devices represent physical quantities that can have an infinite number of values. Typical analog inputs and outputs vary from 0 to 20 milliamps, 4 to 20 milliamps, or...
by Armando Chacon | Dec 25, 2020 | Control Engineering
The most common type of I/O interface module is the discrete type. This type of interface connects field input devices of the ON/OFF nature such as selector switches, pushbuttons, and limit switches. Likewise, output control is limited to devices such as lights,...
