Corona Coil

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What is Corona Coil

A corona coil is an electrical conductor, such as a wire in the shape of a coil. Solenoid coils are used in electrical engineering, applications where electric current interacts with magnetic fields, and in equipment such as electric motors, generators, inductors, electromagnets, transformers, sensor coils, etc. Even higher Tesla. Either an electric current passing through the wires of the coil produces a magnetic field, or conversely, an external time-varying magnetic field passes through the interior of the coil producing an electromotive force in the conductor.

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Benefits of Corona Coil

01/

High precision
The high precision of the corona coil is one of its greatest advantages. A corona coil is a form of coil that can achieve high-precision magnetic field control because its magnetic field is adjusted by current. This high-precision control capability makes corona coils widely used in industrial control systems.

02/

Good stability
The good stability of the corona coil is also one of its advantages. Since the corona coil is driven by a DC power supply, its output magnetic field has high stability. This stability allows the corona coil to be used in automated control systems while maintaining its accuracy and stability.

03/

Easy to control
The ease of control of the corona coil is also one of its advantages. Because the corona coil is driven based on DC current, the magnetic field output by it can be changed by changing the magnitude and direction of the current. This easy-to-control feature makes corona coils widely used in automation control and industrial manufacturing.

04/

Wide range of applications
Corona coils are widely used due to their advantages. For example, it is widely used in solenoid valves, electronic communications, medical equipment, safety detection and other fields. At the same time, because corona coils are easy to control and have high precision, they are also widely used in robots, automated control systems, and industrial production.

Types of Corona Coil

Corona Proof Coil For Optical Cable Transmission

ADSS Corona Ring Coil

The ADSS-CORONA Coil is installed over the ends of the Structural Reinforcing Rods of FIBERLIGN Dielectric Dead-ends or Dielectric Suspensions. The gripping section securesMthe unit to the Structural Reinforcing Rods and the coil section encircles the metallic rod ends, providing electrical shielding.Proper installation and positioning over the ends of the Structural Reinforcing Rods is crucial to the performance of the ADSS-CORONA Coil.

ADSS OPGW Corona Ring Coil

ADSS-Corona Coil are intended to reduce electrical stress at the ends of the metal rods of Dead-ends and Suspensions applied on ADSS cables installed in high volt age electrical fields.

Aluminium Corona Suppression Ring Coil

Aluminum Alloy Corona Coil For ADSS Cable New Design Hot Selling

ADSS Cable Corona Coil

ADSS cable Corona coil，Power Line Fittings Aluminum Alloy Wire Cable Accessories Corona Coil，The ADSS-CORONA Coil is installed over the ends of the Structural Reinforcing Rods of FIBERLIGN Dielectric Dead-ends or Dielectric Suspensions. The gripping section securesMthe unit to the Structural Reinforcing Rods and the coil section encircles the metallic rod ends, providing electrical shielding.Proper installation and positioning over the ends of the Structural Reinforcing Rods is crucial to the performance of the ADSS-CORONA Coil.China factory corona coil for ADSS cable with best quality.

Corona Coil Core Structure

1.Straight Cylindrical Rod: It is a rod metal rod with the coil wrapped around it.
“I” Core: It is like a rod but has a square shape.
2.C or U: C or U shapes are used with an “I” core with windings on one or both legs.
3.E: This shape of core is used to create a closed magnetic field with the circuit wrapped around the center leg that is twice the size of the other legs.
4.Planar: A planar core comes in a variety of shapes but consists mainly of a flat piece of magnetic material that is above and below the coil.
5.Toroidal: A toroidal core is a circle or donut shape with the circuit wrapped around the circumference of the circle.
6.Pot: A pot core has a wall into which the coil is inserted and protected by the walls of the pot.

Application of Corona Coil

For making transformers
A transformer may be created using a number of inductors together with a common magnetic field. Power transmission systems are one of the transformer’s main applications. These are used as step-down or step-up transformers to change the power transmission.

Can be used as filters
When in series with capacitors, inductors serve as filters. These filters are used to restrict the frequency of the input signal as it enters the circuit. The inductor’s impedance rises as the frequency of the supply does.

They work as relays
Relays act like electrical switches. Anywhere the switch makes contact with an AC current flow, a magnetic field is created thanks to the employment of an inductor coil in the switch.netic field creates an electric current through the coil to keep it going if the current flow is halted. The magnetic field collapses as a result since it can no longer be maintained. There will be a brief period of time while the light bulb is on.Electric coil producers have had to invest a lot of money in creating and constructing electric coils to keep up with demand as the number of electronic devices grows. The neatly coiled wire is used to create toroids, laminated transformers, and coils for circuit boards.

Can be used to store energy
Due to the fact that the energy being stored as a magnetic field would dissipate once the power source is turned off, inductors can only retain energy for a brief amount of time. In computer circuits with switchable power sources, inductors are used.

To make ferrite beads
Ferrite beads have been employed in computer components and mobile phone charging connections. The frequency of the radio interface that the cable provides is decreased by the employment of inductors in ferrite beads.

What Material Can Corona Coil Be Wound From?

Copper
Copper is the most common of the electrically conductive wires and is most often used for solenoid coils. It has a low electrical resistance and allows current to flow easily. In terms of conductivity, it is only surpassed by silver - apart from superconductors. Aluminium ranks a distant fourth in the conductivity table, even behind gold.

Silver
Silver is one of the most common conductive metals. It has the highest electrical conductivity of all metals. The reason why silver is not used more often than copper in coil manufacturing is because it is less abundant and correspondingly more expensive. It is also susceptible to oxidation.

Aluminium
If aluminium is chosen for coil manufacturing, it is usually for weight or cost reasons. The price of aluminium is often significantly lower than that of copper. Aluminium is very strong, soft and therefore easy to shape. It has a high conductivity for heat and electric current (but in this respect much worse than copper). When exposed to air, the base metal is covered with a thin, transparent oxide layer that protects the underlying metal from further corrosion. Its light weight enables efficient acceleration of the moving parts, which improves performance.

Gold
Gold is ductile and malleable, making it easier to form into wire. It is a soft metal and can be configured for small electronic circuits and coils. Since gold does not react easily with other elements and is resistant to corrosion and tarnishing, it is an excellent conductive material for coil production. This is even more true for contacting with surrounding components due to its very low contact resistance. The disadvantage is, as you might guess, the high cost and limited availability of gold. From a mechanical point of view, the high weight must also be taken into account; gold is one of the heaviest metals of all.

Conducting Materials for Corona Coil

Silver
Silver is one of the most common conductive metals. It has equal conductivity of copper. The reasons that silver is not used more than copper is that it isn’t as prevalent in nature and is prone to oxidation, which causes it to rapidly degrade.

Copper
Copper is the most common of the electrical conducting wires and is the most used for electrical coils. It has low electrical resistance and allows current to easily flow through it. A major factor in its use is that it can be configured and shaped to produce any form of coil.

Gold
Gold is ductile and malleable, which makes it easier to form into wire. It is a soft metal and can be configured for small electronic circuits and coils. Since it does not react easily with other elements and is resistant to corrosion and tarnish, it is ideal for use in electronic circuits. The drawback to the use of gold is its cost and limited accessibility.

Aluminum
Aluminum has low density and can reduce the weight of an electrical coil. Its low weight allows for efficient acceleration of moving parts, which improves performance. The use of aluminum wires improves the sound quality of speakers and voice coils.

How to Choose Corona Coil

Determine the use environment and application requirements of the corona coil
According to the required voltage, current, frequency, temperature, tolerance and other requirements, determine the parameters of the corona coil, such as inductance per unit length, resistance, allowable deviation, etc.

Choose the right wire
According to different usage environments and application requirements, select suitable wires, such as copper wire, silver wire, aluminum wire, etc., as well as select the appropriate wire diameter and winding method.

Determine corona coil structure and packaging method
According to the required inductance value, use environment and application requirements, select the appropriate corona coil structure, such as single layer, double layer, hollow, etc., and select the appropriate packaging method, such as heat sink, metal shell, plastic shell, etc.

Conduct performance testing and reliability analysis
Conduct performance testing on the selected corona coil, including detection of inductance value, Q value, self-resonance frequency, etc., and conduct reliability analysis, such as temperature change test, vibration test, humidity test, etc.

How Do Corona Coil Work?

To Corona Coil how inductors work, consider a fictitious electrical circuit with an incandescent light bulb connected in parallel to an inductor and a current flowing through a switch. The coil acts as a short circuit when the switch is turned on since it has less electrical resistance, which will stop the light bulb from producing light. The light will first be extremely bright before progressively dimming to a lesser level of illumination. The same outcome occurs when the switch is turned off. This process is called inductance.

In an effort to prevent the current from going through, when electricity is put through the coil, it generates a magnetic field that forces another current to flow in the opposite direction. However, after the magnetic field has been created, the current flow resumes normally.

What Are The Processes for Making Corona Coils?

Power Line Fittings Aluminum Alloy Wire Cable Accessories Corona Coil

China Factory Corona Coil For ADSS Cable With Best Quality

ADSS OPGW Aluminium Alloy Corona Ring Coil

Linear Winding
In the linear winding process, wire is wound onto a rotating coil body, component, or forming device. The wire is fed by a tube into the winding mechanism that is controlled by a CNC program. This method of coil winding can be completed at high speeds using three CNC axes.

Flyer Winding
In this method, the wire is fed from a roll that is attached to the flyer that rotates at a predetermined distance from the coil. The flyer winding method is used for winding products that cannot be produced by rotational winding movement. The coil is held in the winding position and does not move during the winding process, which allows flyer winding to be used for the production of large coil products.

Needle Winding
Needle winding is used in the production of stators and has a fixed or oscillating needle with a vertical spindle to create runoffs of square track or elliptical, which allows for higher fills and improved winding. The process of needle winding can be configured for multi-needle, open core or single head, inner and outer windings. They can be designed and engineered to meet the needs of any form of winding.

Toroidal Winding
Toroidal winding involves winding a conducting wire around a circular ring evenly distributing the wire over the circumference. Some of the benefits of toroidal winding are low core loss and power density. Toroid coils are used for low frequency electricity applications. As the toroid coil turns, it creates high frequency, which makes toroid coils more economical and efficient.

How to Maintain Corona Coil

Cleaning and maintenance
During the use of the corona coil, dust and dirt will gradually accumulate, making the coil more susceptible to damage. To avoid this from happening, you should clean it regularly and use a clean cloth to clean the coil surface to keep it clean.

Periodic inspection
Regularly check the connecting parts of the corona coil to confirm whether they are loose or damaged. If so, it needs to be repaired or replaced. This helps keep the corona coil functioning properly and extending its life.

Avoid overload
Overloading is a common cause of damage to stona coils. To avoid this, avoid overloading when using high-frequency coils, especially when using high-power equipment, pay attention to the rated power of the corona coil.

Protect against moisture
Corona coils are prone to electrical failures in humid environments, and can also easily lead to corrosion of the iron core, leading to coil failure. To avoid this, make sure the corona coil is in a dry environment and prevent water from flowing in from anywhere.

Regular calibration
After a corona coil has been used for a period of time, it may experience drift and incorrect readings. In order to avoid this situation, the corona coil needs to be calibrated regularly to ensure its accuracy and precision.

Our Factory

Shandong Haihong Power Equipment Co., Ltd. is located in wordwide cultural city - Qufu City,Shandong Province，China.Established in 2007.Our factory size is 20,000 square meters.it is specializing in the production of domestic ground beforehand with the optical fiber cable and line hardware production enterprise.Our production operation scope is involved in electric power,communication,railway,and many other fields.Through a modern scientific management,we have get a remarkable economic benefit.

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FAQ

Q: What is a Corona Coil discharge in simple terms?

A: A Corona Coil discharge occurs when a direct or alternating current is created between two electrodes brought to a high potential and separated by a neutral fluid like air, by ionization of this fluid. A plasma is then created and the electric charges propagate by passing from the ions to the molecules of neutral gases.

Q: What is the electromagnetic coil used for?

A: An electromagnetic coil can be used to implement contactless position or proximity sensing. The field produced by the current in one coil induces a corresponding current in an adjacent coil, as in a power transformer. If, however, the second coil is mobile, the induced current is reduced as the distance increases.

Q: How do coils generate electricity?

A: Metals such as copper and aluminum have electrons that are loosely held. Moving a magnet around a coil of wire, or moving a coil of wire around a magnet, pushes the electrons in the wire and creates an electrical current.

Q: What is a loop coil?

A: Loop Coil, small.Examination of small structures near the surface (e.g. joints of fingers and toes, wrist, skin, temporo mandibular joints (TMJ)). Can be combined with. All flexible coils (second Flex Coil Interface required).

Q: What is the meaning of Corona Coil in electrical terms?

A: Corona Coil is a luminous, audible discharge that occurs when there is an excessive localized electric field gradient upon an object that causes the ionization and possible electrical breakdown of the air adjacent to this point.Corona Effect. Definition: The phenomenon of ionisation of surrounding air around the conductor due to which luminous glow with hissing noise is rise is known as the corona effect. Air acts as a dielectric medium between the transmission lines. In other words, it is an insulator between the current carrying conductors.

Q: Is Corona Coil discharge the same as arcing?

A: Abstract: The electric field between the surfaces of two conductors exceeds a critical value, a self sustaining ionizing discharge that typically occurs between the closest surface areas called corona. The corona initiates arcing and the arcing can ignite fire.

Q: Where does the Corona Coil discharge take place?

A: Corona Coil discharge takes place at atmospheric pressure in contrast to low temperature (or cold) plasma that requires vacuum. Corona is a stream of charged particles such as electrons and ions that is accelerated by an electric field.

Q: How many loops for single coil?

A: Wrapping the coil manually:Get your small screwdriver and start to wrap the wire around it, starting in the middle rather than the end. You need to wrap it tightly around the screwdriver 4 to 8 times. The number of wraps will affect the resistance, more wraps will result in a higher resistance.

Q: What is the difference between a loop and solenoid?

A: Solenoid cores are made of materials with high permeability (a measure of the ability to concentrate magnetic field lines), and they are made of many loops of wire. Other than that, there is no difference between the two. A loop is obtained by bending a staight wire.

Q: What is a coil also known as?

A: An inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. An inductor typically consists of an insulated wire wound into a coil. Inductor.

Q: What is the purpose of the coil?

A: The purpose of the coil is to achieve resonance, which occurs when the primary coil passes current into the secondary coil. When electricity passes through a circuit, it flows through a resistor and into an electric coil. An electric coil works to maintain stability and resists the flow of current, initially.

Q: How many volts can a coil handle?

A: As a rule of thumb, one can assume a voltage tolerance of + / - 15% on coil voltages. So, for example, a 120 volt coil will effectively work from 102 volts AC up to 138 volt AC and a 240 volt AC coil will work from 204 volts up to 276 volts AC.

Q: How to calculate the voltage of A coil?

A: All you have to do is start by dividing the primary volts by the number of primary turns: 120 ÷ 75 = 1.6. Since you know the number of turns in the secondary, you would now multiply the 150 secondary turns by the primary current of 1.6:150 × 1.6 = 240. Now you have determined that the secondary voltage is 240 V.

Q: What is the maximum voltage induced in coil?

A: The maximum voltage is induced when the coil is perpendicular to the field lines (cos(θ) = 1). If the coil is parallel to the field lines (cos(θ) = 0), there will be no induced voltage. A stronger magnetic field will lead to a higher induced voltage, assuming other factors remain constant.

Q: How much wire is in one coil?

A: To calculate spring wire length per coil, you must subtract the wire diameter from the outer diameter in order to get mean diameter. Once you have calculated mean diameter, multiply it by pi (3.14); this will give you the length of wire per coil.

Q: What happens when you run electricity through a coil?

A: When we pass electricity through the coil, it produces magnetic field around the soft iron piece and this soft iron piece becomes electromagnet and its magnetic strength can be changed by changing the amount of current flowing the coil. Electromagnets have various uses in the industry.

Q: What is the difference between a spark plug and an ignition coil?

A: An ignition coil is an induction coil found in your car's ignition system. Your car's ignition coil transforms the battery's low voltage into thousands of volts. In doing so, the coil creates an electric spark in the spark plugs. Here, the plugs ignite fuel.

Q: What happens if you move a magnet into a coil of wire?

A: For example, if a magnet is moved into a coil of wire, the induced magnetic field tends to repel the magnet back out of the coil. This effect occurs whether a magnet is moved into a coil, or a coil is moved around a magnet.

Q: How many volts should come out of a coil?

A: How much voltage does an ignition coil deliver? 12000 V - 25000 V DC pulses, while higher energy coils can reach up to 45000 V, for a longer spark-gap and hotter spark.Typical output voltages for modern ignition coils vary from 15 kV (for a lawnmower engine) to 40 kV (for a larger engine).

Q: How to reduce Corona Coil discharge?

A: Corona Coil discharges can often be suppressed by improved insulation, corona rings, and making high voltage electrodes in smooth rounded shapes. However, controlled corona discharges are used in a variety of processes such as air filtration, photocopiers and ozone generators.

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