CBC is only Thai company who can design and build High Power Thyristor Rectifiers which have been running well for 20 years. To meet our clients’ special needs, we offer an unrivaled range of products to suit every type of application. CBC’s fully staffed degreed engineering department provides clients with custom units.
FCOG61HV firing board combines the circuitry of the FCOG6100 firing board with high voltage tolerant, high output gate pulse transformers and increased creepage distances. This provides enhanced isolation for AC line voltages to 900 Vac and enhanced gate trigger current for large area devices.
The FCOREM60 is used in applications where the control circuitry and SCRs are separated by long distance (remote operation) and require higher output pulses. It can also be used with the FCOG6100 or FCOVF6100 to provide high output pulses in order to fire parallel SCRs, or in combination with the FCOG61HV firing board, allowing 4-quadrant operation at mains voltage up to 900 VAC.
Thyristors cooling system use custom size of base profiles, sealed with a unique patended technology that can withstand an working pressure up to 200 bar offers an
optimal cooling unit for nearly every resistor size. At a certain volume custom specific profiles can be initialized.
The volume depends on the size of the profile.
The high heat flux density generated by the
semiconductors is absorbed by the heat spreader block and then, furthermore by the heatpipes. Then the Heatpipes transmit the heat isothermally to the fins.
CBC Rectifiers use Dynex semiconductor clamps which provide a range of standard clamps designed to accommodate press pack semiconductors with tie rod centres from 75mm to 210mm and clamping force from 5kN to 138kN.
The set clamps use Disc Springs to DIN 2092/2093 to apply the clamping force over a wide temperature range. The clamps also incorporate pressure indicators to make installation simple. Isolation is provided by a high quality moulded insulator and PTFE sleeving.
A Polarizer rectifier is used to keep polars of electrolyzer during main rectifier shutdown. Due to the DSA Electrode is a titanium substance coated with TiO2 + RuO2 mixture. RuO2 coating will be decreased during shutdowns by the reverse current arising. The Polarizer rectifier will keep forward current during the main rectifier shutdown. RuO2 content must be >25 mol%. The lower RuO2 content the lower conductivity of Anode the result high electrical losses.
Harmonic Filters can be designed to limit current distortion according to IEEE 519 requirement
