Latest Electrical Power Control Technical Articles

Effectively managing data includes processing it after initial collection: performing calculations, reviewing for…

Effectively managing data includes processing it after initial collection: performing calculations, reviewing for anomalies, and displaying the data for easier actionable insights.

Have you ever heard of a relay? Of course you have. There are many different kinds, plus hundreds of different trade…

Have you ever heard of a relay? Of course you have. There are many different kinds, plus hundreds of different trade lingo names. What are some of the most common, and how do we use them?

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory…

Knowing what kind of control system to use: that’s a question that must be answered before setting up the factory floor. Why would someone choose pneumatic over electrical controls?

Storing data long-term for recording and reporting purposes is the job of the utility data warehouse, quite different…

Storing data long-term for recording and reporting purposes is the job of the utility data warehouse, quite different from data-collection processes that optimize systems and predict failures.

In order to trace control system problems to the core, the ability to read and interpret various resources, from…

In order to trace control system problems to the core, the ability to read and interpret various resources, from facility-level diagrams to machine-level wiring layouts, is critical.

Controlling the startup of a motor not only reduces the wear on the motor, but eases the burden on the electrical supply,…

Controlling the startup of a motor not only reduces the wear on the motor, but eases the burden on the electrical supply, reducing infrastructure demands and the running cost of industrial loads.

Protecting equipment and personnel from overcurrent dangers, like sparks and fires, is the primary job of the humble…

Protecting equipment and personnel from overcurrent dangers, like sparks and fires, is the primary job of the humble fuse, one of the most basic, yet critical of all safety devices.

We conclude the data flow project with the step of developing a business intelligence dashboard to present machine data,…

We conclude the data flow project with the step of developing a business intelligence dashboard to present machine data, at a reliable schedule, to a leadership or maintenance team.

Digital controls like VFDs and soft starts have advantages by elongating start time, but simple strategies for starting…

Digital controls like VFDs and soft starts have advantages by elongating start time, but simple strategies for starting motors with a reduced current draw, like star-delta (or wye-delta) are common.

We depend on circuit breakers all the time, even when you have a day off or work from home. These overcurrent protection…

We depend on circuit breakers all the time, even when you have a day off or work from home. These overcurrent protection devices keep machines running safely, reducing the risk of fires and arcing.

For large process systems, learn how the location of data indication and flag processing can increase or decrease the…

For large process systems, learn how the location of data indication and flag processing can increase or decrease the burden on computers at the device, RTU, or main computer level.

Power systems rely on meaningful data, as do most other processes. Within SCADA environments, individual data points are…

Power systems rely on meaningful data, as do most other processes. Within SCADA environments, individual data points are tracked, compared to limits, and evaluated to obtain current readings.

In the world of mechanical power transmission, gears, belts, and chains dominate the landscape, but what's so special…

In the world of mechanical power transmission, gears, belts, and chains dominate the landscape, but what's so special about chain drives, and why would they be used in place of rubber belts?

When troubleshooting AC outputs driven by TRIACs, some confusing meter readings can result from the solid state…

When troubleshooting AC outputs driven by TRIACs, some confusing meter readings can result from the solid state properties of a series circuit. In this article, learn proper troubleshooting techniques.

Current flow in wires is often modeled with a perfectly circular cross-section, with the size of the wire being…

Current flow in wires is often modeled with a perfectly circular cross-section, with the size of the wire being responsible for the maximum current. This is true, but there’s more to the story.

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and…

There are two types of winding designs inside three-phase industrial motors: Wye and Delta. Although the motors and connections look similar on the outside, this article discusses the internal construction for Delta wound motors.

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse…

Every so often, a new data format comes along, and we first consider that it might simply be a mistake in typing. Pulse Frequency Modulation (PFM) is not brand new, but still unknown to many engineers.

Many signal sources and process transmitters do not include isolation, which can cause problems when the instruments are…

Many signal sources and process transmitters do not include isolation, which can cause problems when the instruments are at different locations. A loop powered isolator is often the solution.

When beginning a new career, an obvious question is how to take positive steps, from your first day inside the plant all…

When beginning a new career, an obvious question is how to take positive steps, from your first day inside the plant all the way to becoming an experienced senior operator.