Today, almost everything is powered by electricity due to technological development. We require a continuous supply of electricity, whether indoors or outdoors, which is accomplished by using the appropriate cable wires. We can get quality cable wires from electrical shops in Dubai.
A cable wire is made up of two or more wires that have been twisted or bonded together and protected with a sheath. It is used in a variety of fields all over the world for various purposes. Cable wires are used for power transmission and distribution in our homes and businesses by more than just the electrical industry. Each cable wire must be positioned carefully from the fuse box to the sockets, fittings, and appliances. Installation of the cable and cable types in various electrical applications is regulated by local construction codes.
The three main components of cable wire are the driver, dielectric, and sheath. The cable conductor provides the direction for the current. Detachment or dielectric resist the voltage of operation and insulates the conductor with other items. The sheath does not allow humidity into the cables, and it protects against all external effects such as chemical or electrical attacks, fire, etc.
The Different Uses of Cable Wire
Electrical current is carried through it to homes and businesses. One of the most critical applications for these wires is in the construction of bridges. For transmitting power over long distances, it is located in buildings and industrial areas. Power cables and high-voltage cables purchased from electrical shops in Dubai are two types of wires that are used in this way. The electrical cable wire is more flexible when large wires are braided together from many small wires. Cable links, cable trays, and other methods may be used to secure the wires.
These cables are widely used for data transmission because they provide accuracy and speed. There is very little data loss since data is transmitted through fiber optical cables. In the medical area, these wires are also used in imaging instruments and light guides. The light emitted by these wires rarely needs a straight path to shine on the objects, which appeals to doctors and medical staff. Computers are another common and widespread application of these wires. It is used in computer networking because it has a lot of versatility, a lot of bandwidth, a lot of accuracy, and a lot of speed.
Types of Cable Wire
Different cable types are used in different applications everywhere. The same application is not applied to all cables. The cable role depends on the cable form. The electric cables are made of an insulation film that can be made of synthetic polymers and is made of aluminium or copper wires.
Depending on the intent, cables are classed into 5 categories as follows:
Ribbon Electric Cables
It is composed of multiple insulated wires that run parallel to one another and are used to transmit multiple data streams at the same time. For example, this is used to link the CPU to the motherboard and is commonly used for networking device interconnection.
It is made up of one or two shielded wires that are protected by a woven braided shield or aluminium Mylar foil for improved signal transmission and to eliminate power frequency irregularities and external radio interference. These cables carry high-voltage electric current while being shielded.
Twisted Pair Cables
It is made up of two or more insulated copper wires that are twisted together and color-coded. The resistance to external interference can be determined by the number of wires in these types of wires, which are commonly used in telephone cables.
The metallic braid and metallic tape contain a gold-plated solid copper or steel conductor. It comes with a fully sealed, isolated protective outer jacket. This type of cable is used in audio and video networking.
Fibre Optics Cable
These cables carry optical data signals from a connected light source to a receiving system. We all know what an optical fiber is and how it can be used in a range of applications.
Electrical switchgear means a central set of circuit breakers, fuses, and switches that work in the field of electrical equipment protection, control, and insulation. The device protectors are installed in metal structures. One or more of these structures are collected called a line or assembly of switchgear.
The supply system is directly connected to the switchgear system. It is mounted on the power transformer’s high and low voltage sides. It is used to switch off the power to the equipment so that it can be tested and maintained, as well as to clear the fault.
If the power system is faulted, a strong current passes through equipment causing damage to the equipment and also interruptions of the operation. Automatic protective equipment or switchgear units should be protected from damage to the cables, generators, transformers, and other electrical equipment.
The relay and circuit breaker are the key components of automatic protective switchgear. In every part of the device, when a malfunction happens, the relay triggers and closes the interrupting circuit in that section of the system and disconnects the defective section. The secure section continues to carry regular loads, without disruption to the equipment or interruption of full supply.
Types of Switchgear
There are three types of switch gears namely LV (Low voltage), MV (Medium voltage), and HV (High voltage) Switchgear.
Low Voltage Switchgear (LV)
Low voltage switchgear refers to a power system that operates at less than 1 kV. Switches, LV circuit breakers, HRC fuses, earth leakage (EL) circuit breakers, offload electrical isolators, MCBs (miniature circuit breakers), and MCCBs (moulded case circuit breakers) are examples of this type of equipment.
The secondary (low-voltage) side of a power distribution transformer is often home to low-voltage switchgear. A transformer and switchgear combination is described as a substation. The usage for power-in-flow motors, low voltage switchboards, and other feed-in and branch circuits is usually made by the low voltage switchgear system. It supplies electricity for essential applications such as heavy-duty, construction, mining and metal, petrochemical, pulp and paper, hydropower treatment, data center, and healthcare.
Medium Voltage Switchgear (MV)
MV is the term for a power system that operates at a voltage of up to 36 kV. These are available in a variety of styles, such as without a metal enclosure for outdoor use, metal-enclosed indoor and outdoor use, and so on. Substation devices such as minimum oil CBs, bulk oil CBs, SF6 gas-insulated, air magnetic, gas-insulated, vacuum, and so on are examples of this type of equipment.
Vacuum, SF, and oil can all be used as disruption mediums in this form of switchgear. The primary function of this form of the power network is to interrupt current flow in the event of a fault in the system. This is capable of ON/OFF service, short circuit current interruption, capacitive current switching, inductive current switching, and is used in a variety of applications.
High Voltage Switchgear (HV)
HV (high voltage) switchgear is a power system that deals with voltages greater than 36 kV. Since the switching operation is extremely high, arcing can occur as the voltage level increases. As a result, extra care must be taken when building this equipment. The High Voltage (HV) circuit breaker is the most important part of this apparatus. As a result, a high-voltage circuit breaker must have certain safe and dependable operating features. The HV circuit’s switching operation is extremely unusual. Typically, these CBs remain on and can be operated for a period of time. As a result, they must be dependable in order to ensure stable operations when required.
Functions of a Switchgear
Electrical safety, electrical insulation, and control are the three fundamental functions of switchgear energy systems.
- It helps secure electrical machinery and equipment. It inhibits the circuit that is overloaded while still allowing the unaffected circuits to pass through the current.
- It also offers circuit insulation and the energy-efficient portion of the device. The person who repairs the power system/equipment is thereby covered.
- It improves device availability by allowing many sources to supply loads.
A current interrupting device, i.e. a circuit breaker, is one of the most important components of the switchgear.
- Where appropriate, the interrupters can be controlled manually, but also automatically “trip” in the event of an overload or some kind of operation.
Plaza Middle East General Trading, one of the industry’s leading electrical suppliers in Dubai, offers the consumer a precision-engineered range of products. We are one of the reputed electrical suppliers in Dubai offering a wide range of products, including house wire cables, submersible cables, LAN cables, coaxial cables, PTFE cables, xlpe cables, PVC cables, aerial bunched cables, flexible control cables, instrumentation cabling, telecommunications cables. With our expertise in this field, we have established ourselves as one of the leading industrial cable and power cable manufacturers in India.