Application Catalog


2016-10-25

FQ - Time Harmonic Magnetic (2D/3D)



208 - High Frequency Induction Hardening Analysis Accounting for Deformation(Abaqus Link)

208 - High Frequency Induction Hardening Analysis Accounting for Deformation (Abaqus Link)

Since gears are products that demand mechanical intensity, high frequency induction hardening is run for surface heat treatment. Since induction hardening can rapidly heat only the surface of the gear in a short amount of time, the hardness of the surface is continually increased while retaining the toughness inside.

Module: FQ | 2014-12-25




206 - Temperature Analysis of an Oil-Immersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis

206 - Temperature Analysis of an Oil-Immersed Transformer Using a Coupled Magnetic Field and Thermal Fluid Analysis

Large power transformers are used to transform high voltage power generated at a power station into power that can be transmitted. For the structure of the transformer, oil-immersed transformers, which fill the inside of the tank that contains the transformer body with insulating oil for cooling and insulation, are often used.

Module: FQ, LS | 2014-12-25




203_PowerTransformer_No-LoadTest.html

203_PowerTransformer_No-LoadTest.html

Large-scale power transformers are expected to be highly-reliable as machinery that will support the industry infrastructure, but unfortunately, it is impossible to conduct tests connecting to actual load. For this reason, tests of special circuit structure including no-load tests and contradiction tests are run.

Module: FQ, LS | 2014-12-15




202 - Core Stray Loss Analysis of Power Transformer

202 - Core Stray Loss Analysis of Power Transformer

Stray loss is mainly caused by leakage flux from winding, but structures closer to the winding will tend to be affected easier by leakage flux. The ratio of stray loss relative to all losses may not necessarily be large but heat is generated in certain areas and may become an issue in the operation of transformers.

Module: FQ, LS | 2014-12-15




199 - Efficiency Analysis of Wireless Power Transfer via Electromagnetic Induction Method using Resonance Circuits

199 - Efficiency Analysis of Wireless Power Transfer via Electromagnetic Induction Method using Resonance Circuits

In recent years, electromagnetic induction type transmission is considered for applied use in wireless power supply systems for electric vehicles (hereinafter, referred to as EV) and plug-in hybrid cars (hereinafter, referred to as PHEV), which are demanded for practical use. As for wireless power supply systems...

Module:FQ | 2014-12-15




198 - Busbar Thermal Stress Analysis

198 - Busbar Thermal Stress Analysis

Current is supplied via busbars or wire bonding in power supply lines for power electronics devices such as inverters. Because inverters and similar devices operate with PWM carrier frequencies of several kHz, high-frequency current flows in their busbars. Influences from the skin effect cannot be ignored...

Module:DS, FQ, HT | 2014-12-15




193 - Calculation of Equivalent Circuit Parameters of Single-Phase Induction Motors

193 - Calculation of Equivalent Circuit Parameters of Single-Phase Induction Motors

Since single phase induction motors can be used with single-phase AC, which is common in general household power supply, it is widely used for electrical home and office appliances such as washers and fans as small power motors. However, unlike three-phase AC, single phase AC cannot ...

Module:FQ | 2014-12-15




190 - Arrangement Optimization of Wireless Power Supply System

190 - Arrangement Optimization of Wireless Power Supply System

A solenoid type injector used in engines opens a valve and injects fuel by moving a plunger with magnetic force created by an electromagnet. Originally there were only two types of wireless power supply systems:proximity and long distance. However, recently mid-distance devices have been developed and...

Module:FQ | 2014-12-15




186 - Gear Induction Hardening Analysis Using Two Frequencies

186 - Gear Induction Hardening Analysis Using Two Frequencies

Gears are created in such a way that the surfaces of their teeth are hard in order to resist the wear and tear that occurs when they come into contact with the teeth of other gears. However, this has to be accomplished while maintaining the gear's overall toughness. By using high-frequency induction heating,...

Module:FQ,HT | 2014-05-30




185 - Analysis of Stray Loss in a Power Transformer

185 - Analysis of Stray Loss in a Power Transformer

Transformers are made to be used long-term, so it has become an important design policy to control running costs from losses. These losses include copper loss in the coil and iron loss in the core. In high-capacity transformers, however, there is also stray loss in the tank from flux leakage from the core.

Module:FQ, LS | 2014-04-25




183 - Agitation Force Analysis of an Induction Furnace

183 - Agitation Force Analysis of an Induction Furnace

The purpose of this Application Note is to help JMAG users understand the steps and settings used in a JMAG analysis. It is intended to help those who are working with a new analysis target better understand the analysis steps and the setting contents.

Module:FQ | 2013-12-17




172 - High-Frequency Induction Heating Analysis of a Test Piece (Rotational Induction Hardening)

172 - High-Frequency Induction Heating Analysis of a Test Piece (Rotational Induction Hardening)

Machine parts like shafts and gears are made to be resistant to wear and tear. This is accomplished by giving them a certain degree of flexibility by maintaining their interior toughness while increasing the hardness of their surfaces. By using high-frequency induction heating, which is a type of surface hardening method,...

Module:FQ, HT | 2013-12-17




166 - Line Start Simulation of an Induction Machine Using a Control Simulator and the JMAG-RT

166 - Line Start Simulation of an Induction Machine Using a Control Simulator and the JMAG-RT

Collaborative design is difficult because the controls and motor are designed independently. However, it has become necessary to resolve challenges through high-accuracy simulations at the beginning of the development process in order meet demands for more advanced motors. An effective way of achieving this...

Module:FQ,LS,RT | 2015-12-25




158 - Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops

158 - Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops

High-frequency reactors used in equipment like DC-DC converters have a high-frequency current accompanying the switching direct current. The reactor's performance requires a stable inductance in a wide direct current region that is superimposed by alternating current components.

Module:FQ,ST | 2015-04-24




157 - Analysis of Eddy Currents in an IPM Motor Using the Gap Flux Boundary

157 - Analysis of Eddy Currents in an IPM Motor Using the Gap Flux Boundary

It is becoming increasingly common for permanent magnet motors to use rare earth magnets in order to achieve higher output density because they have a high energy product. Neodymium rare earth magnets have a high electric conductivity because they contain a great deal of iron, so when a varying magnetic field...

Module:DP, FQ | 2014-10-03




152 - Electromagnetic Force Analysis of Short-circuited Power Transformer Coils

152 - Electromagnetic Force Analysis of Short-circuited Power Transformer Coils

A transformer is an electrical device that uses electromagnetic induction to convert the voltage level of alternating current power. Electromagnetic force is produced by the current and magnetic field in a transformer's coils while it is converting power.

Module:FQ | 2013-12-17




146 - Analysis of Stray Loss in a Transformer

146 - Analysis of Stray Loss in a Transformer

Transformers are made to be used long-term, so it has become an important design policy to control running costs from losses. These losses include copper loss in the coil and iron loss in the core. In high-capacity transformers, however, there is also stray loss in the tank from flux leakage from the core.

Module:FQ,HT,LS | 2013-06-25




139 - Power Transmission Analysis Using Magnetic Resonance Phenomena

139 - Power Transmission Analysis Using Magnetic Resonance Phenomena

Recently, magnetic resonance is gaining attention as a new type of wireless transmission technology. Magnetic resonance differs from conventional types of electromagnetic induction transmission that are widely used today in that the axes of the transmission and receiving coils do not need to be aligned and...

Module:FQ | 2014-02-27




132 - Loss Analysis of a Three-phase Transformer

132 - Loss Analysis of a Three-phase Transformer

Mid- and large-sized power transformers need to be able to operate over the long term, so they are always required to control running costs from losses. Iron loss is one of the main losses in a transformer, and it can lead to temperature increases and efficiency decreases because it consumes electric power as heat...

Module:FQ,LS | 2013-06-17




127 - Resistance Heating Analysis of Steel

127 - Resistance Heating Analysis of Steel

Deformation occurs when large metal parts such as shafts undergo machining, causing their material properties to worsen. Because of this, these material properties are restored by eliminating machining deformations using thermal processing, which returns the metal structure to its standard condition.

Module:FQ,HT | 2013-12-17




118 - Thermal Analysis of a Busbar

118 - Thermal Analysis of a Busbar

Current is supplied via busbars or wire bonding in power supply lines for power electronics devices such as inverters. Because inverters and similar devices operate with PWM carrier frequencies of several kHz, high-frequency current flows in their busbars. Influences from the skin effect cannot be ignored...

Module:FQ, HT | 2013-06-25




117 - Iron Loss Analysis of a Transformer

117 - Iron Loss Analysis of a Transformer

Mid- and large-sized power transformers need to be able to operate over the long term, so they are always required to control running costs from losses. Iron loss is one of the main losses in a transformer, and it can lead to temperature increases and efficiency decreases because it consumes electric power...

Module:FQ, LS | 2013-06-17




113 - Power Transmission Analysis of a Wireless Power Transfer System with Opposing Cores

113 - Power Transmission Analysis of a Wireless Power Transfer System with Opposing Cores

A wireless power transfer system is a device which uses electromagnetic induction to provide electric power without physical contact. They can be used for various applications, such as supplying power to moving or rotating devices, or devices sealed inside enclosed spaces.

Module:FQ | 2014-02-27




112 - Starting Thrust Force Analysis of a Linear Induction Motor

112 - Starting Thrust Force Analysis of a Linear Induction Motor

Linear motors are widely used for carrier devices and machine tools because of their high-speed performance, high acceleration and deceleration, and accurate positioning. One type of linear motor, the linear induction motor, can be constructed at low cost because it can use a primary side with coils, and a secondary side...

Module:FQ | 2013-04-26




110 - Loss Analysis of a Choke Coil

110 - Loss Analysis of a Choke Coil

A choke coil is an electric component that is intended to filter high-frequency current. Measures to evaluate the heat source as well as the core iron losses that occur within the choke coil and the copper losses of the coil that decrease efficiency need to be used for this analysis.

Module:FQ, LS, TS | 2012-04-25




105 - Leakage Inductance Analysis of a Transformer

105 - Leakage Inductance Analysis of a Transformer

Inductance is an important physical quantity that determines a transformer's response characteristics against electric signals. Inductance is generally categorized into self-inductance and leakage inductance. Self-inductance is an indicator of to what extent the transformer can produce magnetic flux, and...

Module:FQ,TS | 2015-12-25




100 - Surface Heating Analysis of a Steel Plate

100 - Surface Heating Analysis of a Steel Plate

High-frequency induction heating is one heating method used when heat treating the surface of a steel plate. With induction heating, the heating depth can be adjusted because it is possible to localize heating by modifying the coil's geometry and electrical power. The coil geometry, heating conditions, etc.

Module:FQ,HT | 2013-10-25




97 - Sound Pressure Analysis of a Transformer

97 - Sound Pressure Analysis of a Transformer

In recent years, the demand to reduce vibration and noise is growing while the requirements for higher efficiency and smaller and lighter transformers grow with environmental conservation trends. The primary cause of noise for transformers is the electromagnetic vibrations and the resonance phenomena at the eigenfrequency...

Module:DS,FQ | 2014-08-26




86 - Power Transmission Analysis of a Wireless Power Transfer System

86 - Power Transmission Analysis of a Wireless Power Transfer System

A wireless power transfer system is a device which uses electromagnetic induction to provide electric power without physical contact. They can be used for various applications, such as moving or rotating devices, or devices sealed inside enclosed spaces.

Module:FQ | 2014-02-27




85 - High-Frequency Induction Heating Analysis of a Constant Velocity Joint

85 - High-Frequency Induction Heating Analysis of a Constant Velocity Joint

Constant velocity joints are used in the connections at each end of a drive shaft in a vehicular drive system. The inside of the outer race of a constant velocity joint makes direct contact with steel balls or rollers on the inner race, so it needs to have increased hardness to improve its ability to resist wear and tear.

Module:FQ,HT | 2012-11-14




83 - Magnetic Shielding Analysis of an Induction Furnace

83 - Magnetic Shielding Analysis of an Induction Furnace

An induction furnace is an apparatus that uses high-frequency induction heating to melt metal. Running current through the coil surrounding the crucible starts electromagnetic induction phenomena, which generate current in the metal in the crucible. This current produces joule losses in the metal, ...

Module:FQ | 2013-12-17




78 - Loss Analysis of a Sheet Coil Transformer

78 - Loss Analysis of a Sheet Coil Transformer

Power transformers need to be able to operate over the long term, so they are always required to control running costs from losses. Iron loss is one of the main losses in a transformer, and it can lead to temperature increases and efficiency decreases because it consumes electric power as heat in a magnetic material.

Module:FQ,LS | 2013-12-17




77 - Inductance Analysis of an RFID Tag

77 - Inductance Analysis of an RFID Tag

An RFID tag uses electromagnetic induction to communicate information by supplying electrical power to an IC chip from a reading device. In order to relay information in specific frequencies with a good degree of sensitivity, the RFID tag uses resonance between its internal coil antenna and capacitor.

Module:FQ | 2013-10-25




75 - Iron Loss Analysis of a Reactor

75 - Iron Loss Analysis of a Reactor

Reactors are installed on the input or output side of inverter circuits. Because they are required for long-term operation, the ability to control running costs from losses is an important challenge for their design. Iron loss is one of the major types of losses in a reactor.

Module:FQ,LS | 2013-12-17




70 - Analysis of Impedance-Frequency Characteristics of a Cable

70 - Analysis of Impedance-Frequency Characteristics of a Cable

Twisted pair cables are used in situations that require strict noise reduction like with signal lines and speaker cables because they are not affected by external noise and do not emit much noise of their own. The cable's performance relies on its electric properties, but these change depending on the state of...

Module:FQ | 2013-04-26




63 - Analysis of Torque Characteristics of a Cage Induction Motor

63 - Analysis of Torque Characteristics of a Cage Induction Motor Updated

Induction motors have been widely used for a long time in general industries because they have a simple structure, and are affordable, robust and highly efficient. When an induction motor rotates at synchronous speed, no torque is produced. However, when proper slip is caused, the maximum torque can be obtained.

Module:FQ | 2016-10-25




53 - Magnetic Shielding Analysis of a Shield Room

53 - Magnetic Shielding Analysis of a Shield Room

Shield rooms are meant to protect precision equipment from the influence of external magnetic fields, so they have to be an enclosed space that implements special processing in the walls that blocks magnetic flux. The effects of external magnetic fields inside the shield room depend on how they are generated,...

Module:FQ | 2012-11-30




52 - Inductance Analysis of a Sheet Coil Transformer

52 - Inductance Analysis of a Sheet Coil Transformer

Power transformer requires large currents, so their geometry tends to be large. This means that they are particularly hard parts to miniaturize when electrical product designs get smaller. The sheet coil transformer introduced in this Application Note achieves thinner dimensions by winding its coil in a thin sheet.

Module:FQ | 2013-10-25




51 - High-Frequency Induction Heating Analysis of a Gear

51 - High-Frequency Induction Heating Analysis of a Gear

Gears are created in such a way that the surfaces of their teeth are hard in order to resist the wear and tear that occurs when they come into contact with the teeth of other gears. However, this has to be accomplished while maintaining the gear's overall toughness. By using high-frequency induction heating,...

Module:FQ,HT | 2014-05-30




50 - High-Frequency Induction Heating Analysis of a Steel Wire (Translational Induction Hardening)

50 - High-Frequency Induction Heating Analysis of a Steel Wire (Translational Induction Hardening)

Steel wires are made to be resistant to wear and tear. This is accomplished by giving them a certain degree of flexibility by maintaining their inner toughness while increasing the hardness of their surfaces. By using high-frequency induction heating, which is a type of surface hardening method,...

Module:FQ,HT | 2014-08-26




49 - High-Frequency Induction Heating Analysis of a Steel Sheet

49 - High-Frequency Induction Heating Analysis of a Steel Sheet

The rolling process of steel sheets changes the strength and properties of the product, so heat treatment is used. High frequency induction heating is a type of heat treatment that uses a high frequency power source to produce rapid heating, allowing the equipment on the production line to be smaller.

Module:FQ,HT | 2014-05-30




48 - High-Frequency Induction Heating Analysis of a Printer Roller

48 - High-Frequency Induction Heating Analysis of a Printer Roller

A printer works by running a piece of paper with toner on it between a heated fuser roller and a pressure roller. The heated fuser roller then applies heat to fix the toner to the paper. The fuser roller needs to have uniform temperature distribution in order to handle various types of paper.

Module:FQ,HT | 2016-02-25




47 - High-Frequency Induction Heating Analysis of a Crankshaft

47 - High-Frequency Induction Heating Analysis of a Crankshaft

Machine parts like shafts and gears are made to be resistant to wear and tear. This is accomplished by giving them a certain degree of flexibility by maintaining their interior toughness while increasing the hardness of their surfaces. By using high-frequency induction heating, which is a type of surface...

Module:FQ,HT | 2014-05-30




45 - High-Frequency Induction Heating Analysis of an IH Cooking Heater

45 - High-Frequency Induction Heating Analysis of an IH Cooking Heater

An IH cooking heater cooks food by heating a pot that acts as a conductive body. It heats this pot with an induction heating method that uses electromagnetic induction. Eddy currents flow in the iron pot when a high frequency current is applied to the coil. These eddy currents produce joule loss,...

Module:FQ,HT | 2013-12-17




32 - Analysis of a Transformer

32 - Analysis of a Transformer

A transformer is an electrical device that uses electromagnetic induction to convert the voltage level of alternating current power. In an ideal transformer the secondary voltage is constant regardless of the load, but in reality it tends to vary with the size of the load and the power factor.

Module:FQ | 2013-12-17




14 - Inductance Analysis of a Busbar

14 - Inductance Analysis of a Busbar

Voltage surges can damage the components in electrical equipment such as an inverter.
Busbar inductance can be a cause of surges. Therefore, it is important to reduce it to protect the electrical equipment.

Module:FQ, Pi | 2010-08-31




13 - High-Frequency Induction Heating Analysis of a Shaft

13 - High-Frequency Induction Heating Analysis of a Shaft

Shafts are used in parts like axles, which transfer power from the engine to rotate the tires, so the need to have sufficient strength to handle the torsion. They also need to have increased surface toughness to raise their degree of abrasion resistance in the areas that join with other parts, and they must maintain...

Module:FQ,HT | 2015-08-26