SiC Heaters

SIC ELEMENTS – SELECT YOUR LOAD CONNECTION:

These resistances change value with temperature and age. The value at the end of element life can be 4 times the initial value.

SiC Elements 1PH Connection

SiC Elements – 1PH Connection

Select

SiC Elements | Delta | Star No Neutral Connection

SiC Elements – Delta Star No Neutral Connection

Select

SiC Elements on Secondary of 3PH Transformer

SiC Elements on Secondary of 3PH Transformer

Select

SiC Elements on Secondary of 1PH Transformer

SiC Elements on Secondary of 1PH Transformer

Select

SiC Elements | Delta | Star No Neutral Connection

SiC Elements | Delta | Star No Neutral Connection

Select

 

Silicon Carbide is a semiconductor material, and has a much higher resistivity than metallic resistance materials. Room temperature resistivity is fairly high, and falls with increasing temperature to a minimum value at about 600-900°C. At elements temperature above 900° C. Resistivity increase with rising temperature, as shown in figure.

SiC-Max-Permitted-Element-Loading

All silicon carbide elements gradually increase in resistance during their life in operation and the rate at which this occurs is affected by the following factors:

  • a) Element Specific Loading
  • b) Operating Temperature
  • c) Process Atmosphere
  • d) Mode of Operation (continuous or intermittent)
  • e) Power Supply Type used
  • f) Element Type

To optimize element life, the right type of element should be selected and the lowest specific loading consistent with the fournace design should be used. To compensate for the gradual increase in element resistance (ageing), a variable voltage power supply is usually provided, to enable the design power to be maintained throughout the life of the element.

Documentation
ENG SILICON CARBIDE
ENG SILICON CARBIDE
ENG_SILICON_CARBIDE.pdf
527.4 KiB
814 Downloads
Details
CD AppNotes Eng Application Notes - Kanthal Silicon Carbide Elements
CD AppNotes Eng Application Notes - Kanthal Silicon Carbide Elements
CD_AppNotes_eng_Application Notes_-_Kanthal_Silicon_Carbide_Elements.pdf
2.0 MiB
2127 Downloads
Details
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SiC HMI Application Product
REVO-KP2-Graphic-Display
SiC TOUCH PANEL

CD Automation has developed many applications dedicated to drive particular loads and one of these application is for Silicon Carbide. The Philosopy is to use standard Thyristor units with serial communication and to implement the control strategy inside the intelligent panel. This Touch Panel in addition to a CD Automation universal unit able to work with all firing and control mode removing all application risks due to the control type selection.

SiC-Elements


THIS SOLUTION GIVES MANY ADVANTAGES

  • The Thyristor Units are standard and easy to be found every where
  • An external port is available to connect your normally used PLC
  • One Ethernet port is available on 8 ” touch panels
  • The Human interface is friendly and just feeling few data of thermic project is possible to achive.
Two different modes to drive SiC:
  • Burst Firing with automatic adjustment of Power Limit
  • Phase Angle with transfer from voltage to Power control mode.
FEATURES
  • Automatic configuration and tuning of the thyristor unit
  • Automatic tuning of Power Control mode VxI
  • Message on when to change the elements because are at the end of their life
  • Automatic switch from Voltage to VxI control mode when the element temperature is the correct one
  • Automatic tuning procedure of Heather break alarm to diagnostic partial or total load failure
  • Diagnostic of fuse failure and Thyristor in short circuit
  • Recent and Historical Curve of following process variable
– Power density W/Cm2
– Load Voltage
– Load Current
– Power to the load
– Resistance value curve with new element
– Time elapsed from start to actual resistance value
REVO C 1PH – Revo Connect Universal SCR Power Controller Single Phase

Schema di collegamento del REVO C monofase

  • Phases: 1
  • Current Range form 30 to 800A.
  • Voltage Range 480V , 600V and 690V .
  • Inputs: 4:20mA , 0:10V, SSR and ModBus as std and different Field Bus Listed in the Product Coding
  • Firing mode: Half Cycle,Single Cycle,Burst Firing,Delayed Triggering, Phase Angle with or without Soft Start
  • Control Mode: Voltage,Current and Power or V2 and I2 with additional Transfer to VxI
  • USB: port integrated for configuration in safety mode (No Load and Auxiliary Voltage needed) Unit Powered Through USB
  • 100 KA: Short Circuit Current rating (SCCR) up to 600V
  • cUL and CE + EMC approved

REVO C 2PH – Revo Connect Universal SCR Power Controller Two Phases

Schema di collegamento del REVO C bifase

  • Phases: 2
  • Current Range from 30 to 800A.
  • Range di tensione 480V , 600V & 690V.
  • Inputs: 4:20mA , 0:10V, SSR and ModBus as std and different Field Bus Listed in the Product Coding
  • Load type: Normal Resistance,Infrared Short,Medium and Long,Transformar Primary using Delayed Triggering
  • Inputs: 4:20mA , 0:10V, SSR and ModBus as std and different Field Bus Listed in the Product Coding
  • Firing mode: Burst Firing , Zero Crossing.
  • USB: port integrated for configuration in safety mode (No Load and Auxiliary Voltage needed) Unit Powered Through USB
  • 100 KA: Short Circuit Current rating (SCCR) up to 600V
  • cUL and CE + EMC approved

REVO C 3PH – Revo Connect Universal SCR Power Controller Three Phases

Schema di collegamento del REVO C trifase

  • Phases: 3
  • Current Range form 30 to 800A.
  • Voltage Range 480V , 600V and 690V.
  • Inputs: 4:20mA , 0:10V, SSR and ModBus as std and different Field Bus Listed in the Product Coding
  • Firing mode:Burst Firing , Delayed Triggering and Phase Angle with or without Soft Start
  • Control Mode: Voltage,Current and Power or V2 and I2 with additional Transfer to VxI
  • USB: port integrated for configuration in safety mode (No Load and Auxiliary Voltage needed) Unit Powered Through USB
  • 100 KA: Short Circuit Current rating (SCCR) up to 600V
  • cUL and CE + EMC approved

SiC Elements on Secondary of 1PH Transformer

Thyristor Power Control suitable for Silicon Carbide Elements (SiC) On the Secondary of 1PH Transformer. Click on Product Name or Immage to see full description of the product.

SiC Elements on Secondary of 3PH Transformer

Thyristor Power Control to drive SiC Elements on Secondary of 3PH Transformer. Click on Product Name or Immage to see full description of the product.

SiC Elements | Delta | Star No Neutral Connection

Thyristor Power Control Suitable to drive SiC Heating Elements, Delta or Star without Neutral Connection. Click on Product Name or Image to see full description of the product

SiC Elements 1PH Connection


Silicon Carbide is a semiconductor material, and has a much higher resistivity than metallic resistance materials. Room temperature resistivity is fairly high, and falls with increasing temperature to a minimum value at about 600-900°C. At elements temperature above 900° C. Resistivity increase with rising temperature, as shown in figure. Therefore it is necessary to adjust the constant power with a feed back type V in VxI transfer. On three-phase loads with Silicon Carbide is suggested the use of a feed back in VxI to obtain a power adjustment constant. This is necessary to compensate changes in the value of resistance with temperature and age of the elements. The value at the end of their use is four times the initial value. CD Automation can controll this kind of heathing elements with REVO CL, REVO M 1PH and Multidrive 1PH.

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