Selco USA

 There are many devices that indicate, predict and protect faults in electrical systems and heavy-duty machines, for example, ground fault detector , alarm monitors and annunciator panels. Let us discuss what is annunciator panel and process control. What is Annunciator? A device consisting of visible signals such as flags or lamps is called an annunciator panel. These visible signals are to indicate the status of an alarm system or systems. Basically, there are circuits in this panel, and each of them is usually labeled to identify the location and condition being monitored. Also, an audible signal is usually associated with the device. So, whenever an alarm condition is reported, a signal is indicated visibly, audibly, or both the way. Process control When we talk about alarm monitors and annunciator and its purpose in industrial process control, it is a system to alert operators in the plant. There are multiple back-lit windows. And, each of the windows is engraved with the nam...

 There are different types of protective and predictive devices available in the market to keep electronic systems, appliances safe and sound. These devices play an important role in protecting, not only systems and machines but everyone or everything around them. Some of those devices are arc protection relay, generator controller , and potentiometer. HRG Heavy machinery and heavy-duty electrical applications that cannot afford a shutdown require an electrical supply system to control ground-fault voltage on driven equipment. This type of electrical supply system is known as HRG, a high resistance grounding system. It helps in reducing the probability of arc flashes which is basically light and heat produced as part of an arc fault. HRG reduces the probability of arc flashes, and arc flash relays (that is also known as arc protection relay) helps in reducing arc flash energy by quickly clearing the current feeding the arc. This device provides unmatched switchgear protection by r...

 A wide range of protective devices and tools is available in the market. These devices are installed to ensure the large machineries operate without any interruption and hassle. Let us discuss some of such devices such as a potentiometer, HRG, and generator controller. A motorized potentiometer is utilized for speed controls, flow meters, tensioning motors, et cetera. It functions by allowing automatic remote control in addition to the use of a manual control knob. It does not require a computer for operation or software to write. This easy to set-up device can be operated to maintain smooth performance, high linearity, resolution and reliable terminations, and durability. There are certain applications that require an electrical supply system, known as HRG, to control ground-fault voltage on driven equipment. HRG refers to high resistance grounding supply system, used for several purposes. This utility system helps in reducing the mechanical stresses in circuits that carry grou...

Big industries like industrial automation and process control applications require effective and efficient power management systems to ensure the heavy-duty-machines continue to work without any interruption due to power failure, electrical fluctuations, etc. So, different protective and predictive devices withstand the hardest conditions to ensure safety all around. Let us discuss a few of them and start with the High Resistance Grounding system. HRG System HRG systems or High Resistance Grounding systems are used because of many reasons. This system helps to reduce mechanical stresses in circuits that carry ground-fault currents. Consequently, it helps to ensure the safety of people and properties close to the ground fault, reduces electrical shock hazards for personnel, and also reduces equipment destruction. It protects machines from burning or melting effects in faulty equipment and avoids shutdowns in the event of a first ground fault. Potentiometer As far as industrial automatio...