Electric Relays: Applications and Principles
Advancements in technology have led to some innovative developments in the electrical industry. Electrical installations have evolved with the advent of technically advanced components, making them a reliable fit in any environment.
Electric relays are among the finest innovations that have made electrical circuits safe from various concerns. As an electromagnetically controlled electrical switch, electric relays are capable of converting a small electrical input into high power output. This article will look at how the applications of electrical relays, along with an insightful view of how it works.
What are Electric Relays
An electric relay is defined as an electromagnetic switch that is used to turn a small electric current into larger outputs. The larger outputs are created when the input currents activate the electromagnets to complete or break the electric circuit. Relays are a versatile electronic component that can be leveraged in complex and simple electric circuits.
The Principles of Electric Relays
Electric relays function on the principle of electromagnetic induction. It consists of a copper coil and an iron core that is used as an electromagnet. The copper coil can be applied with DC current to energize the relay. As soon as the power is removed, the relay switches back to the original position.
The Applications of Electric Relays
Relays have a variety of uses; however, they can be categorized under two broad categories.
- Switch: One of the most common uses of electric relays is to allow an application to switch from high to low current and vice versa. An excellent example is the temperature sensors in HVAC systems. The existing wiring in most HVAC systems is not good enough to supply the required current. An electric relay can sufficiently amplify power by converting a small current input to higher output.
- Multiple circuits: Relays are a versatile electrical component that is not only used to convert single low inputs to high outputs in specific parts of the circuit. A single electric relay can be used to activate multiple circuits enabling the use of a single input to execute various effects.
- Logic functions: Relays can also be leveraged to execute Boolean logic functions in a cost-effective way.
The typical use cases of electric relays are in traffic control, motor driving schools, home appliances, computer interfaces, lighting control systems, and protection of electrical power systems.
A Proficient Installation for Your Electrical System
Electric relays provide operators with sophisticated ways to construct their electrical systems. Even without the need for a relay, installing it can bring a variety of benefits to the user. It can eliminate the need for you to invest in high-amperage switches and wiring that can take a significant amount of space in your establishment. If you’re looking to make a valuable addition to your electrical system, we would recommend you invest in electric relays.
The best electrical service providers will have a range of quality offerings that will provide you with seamless overcurrent protection, arc protection, motor protection, capacitor bank protection, transformer protection and control, generation protection, distance protection, line differential, and phase comparison, and more.
Get in touch with a reputed provider, and they will have professionals who will cater to all your requirements. They would suggest a relay that would seamlessly fit in your electrical system without causing any major rewiring or any other installation concern. We recommend you start by visiting the websites of some of the best electrical service providers and connect with a brand that provides you with the perfect balance of value and quality.
