Solar PV Power & Energy Storage Solutions
Our solar PV systems and energy storage products are engineered for reliability, safety, and efficient deployment. All systems include comprehensive monitoring and control systems with remote management capabilities.
Understanding the Basics of Pulse Width Modulation (PWM)
Power delivered to devices can be changed by raising or lowering the voltage and current. But this method does not always produce intended results. Pulse width modulation (or …
Free Quote
Cascade Control | Basic Process Control Strategies and …
Thus, a cascade control system consists of two feedback control loops, one nested inside the other: A very common example of cascade control is a valve positioner, which …
Free Quote
Variable Frequency Drives (VFDs) In Motor Control
The variable frequency drive unit solves the challenges of driving a 3-phase motor with careful speed control and efficiency, without being overly cost-prohibitive in most cases. …
Free Quote
DC Motor Speed Control
The “phase control” circuitry manages all this pulse timing and generation. A DC motor drive that simply varied power to the motor according to a control signal would be crude …
Free Quote
Relay Circuits and Ladder Diagrams
The beauty of ladder-logic programming is that it translates the technician’s understanding of traditional relay control circuits into a virtual form where contacts and coils …
Free Quote
Instrument Identification Tags | Control and Instrumentation ...
A “ user-defined ” letter represents a non-standard variable used multiple times in an instrumentation system. For example, an engineer designing an instrument system for …
Free Quote
Split-Range Control
There are many process control applications in the industry where it is desirable to have multiple control valves respond to the output of a common controller. Control valves …
Free Quote
DCS vs. SCADA: What’s the Difference?
Controlling and optimizing plant processes is the goal of most control systems. It can be a challenge to distinguish between different types of control: a DCS or a high-level …
Free Quote
Pneumatic Valve Operation: Manual, Pilot, and Solenoid
Learn about various ways to activate directional control valves for fluids using manual input, air pilot sources, and electrical controls. Sometimes, valves even use a mix of …
Free Quote
Control Valve Characterization
Control Valve Characterization Control valves are supposed to deliver reliable, repeatable control of process fluid flow rate over a wide range of operating conditions. As we …
Free Quote
