What is Wellhead Control Panel?
It is very common in the oil & gas plant to control its oil or gas well through a wellhead control panel (usually called WHCP).
Control Systems
We have the largest collection of Industrial Control Systems articles like industrial automation, Distributed Control Systems (DCS).
What is High Integrity Pressure Protection System?
High Integrity Pressure Protection System (HIPPS) is a Safety Instrumented System (SIS) designed to prevent an unsafe condition caused by pressure arising.
How to Avoid Bad Grounds ?
Earthing of electrical systems is required for a number of reasons, principally to ensure the safety of people near the
How to Select the Right Type of Controller
Distinguishing Characteristics P-only Accelerates the response of controlled process Produces offset except for integrating (1/s) processes PI Eliminates offset Usually
How Process Control Loop Works
A typical process control system is shown in Figure. Assume the physical variable to be controlled is the temperature. Basically Industrial
Basic Process Control System
Consider a typical process control system. For a particular example let us look at an open tank, which supplies a process,
ON-OFF Controller Principle
On-Off control is the simplest form of feedback control. An on-off controller simply drives the manipulated variable from fully closed
Proportional Controller Principle
If the outflow (Qo) increases then the level in the tank will fall. The pressure sensed by the level transmitter, which
Integral Controller Principle
Reset of Integral Action Most of the processes we will be controlling will have a clearly defined setpoint. If we wish
Derivative Controller Principle
RATE OR DERIVATIVE ACTION Consider a control system subjected to a disturbance, which causes the error to increase in a ramped