Thyristor Operated Rectifier Motorized or Hand Operated Rectifier A low voltage high current DC power supply with forced air cooled A low voltage high current DC power supply with oil cooled regulator and rectifier and oil cooled transformer. oil cooled transformer. CONSTRUCTION: PROTECTION: 3 phase 415V AC fed into thyristor regulator. l AC Surge Suppressor Regulated output 0 to 415V AC again l AC Fuse connected to oil cooled step down transformer l Fuse failure with oil immersed diode rectifier at secondary l side of transformer. l l ELECTRONICS: l Close loop controller with firing sequence l l l DC over Voltage DC over Current Thyristor temperature high SCOPE OF SUPPLY: Thyristor gate trigger circuit l Air cooled thyristor regulator assembly l RANGE: Rough in nature and suitable for corrosive environment. l Simplified version of control circuit for easy maintenance l Controlled output for marginal variation at input voltage and load resistance. l Compatible to operate from Compact rectifier with common control panel concept. PROTECTION: 3 phase 415V AC fed into motorized or hand l RC network operated oil cooled dimmer l Input MCB (optional) /regulator. Regulated output again connected l DC over Voltage to oil cooled step down transformer with oil l DC over Current immersed diode rectifier. ELECTRONICS: l l l l Simplified version of control circuit for easy maintenance Controlled output for marginal variation at input voltage and load Motorized or hand operated oil cooled dimmer /regulator l Rough in nature and suitable for corrosive environment. l l Close loop controller with current raise or lower command ADVANTAGES: SCOPE OF SUPPLY: Electronic controller for current raise Protection and annunciation circuit resistance on MOP. l Compatible to operate from lower control l RANGE: Electronic controller for thyristor Oil cooled transformer with oil immersed diode rectifier assembly DC Voltage: 0 to 20VDC DC Amps: 0 to 4000Amps annunciation l CONSTRUCTION: customer PLC for remote operation. l control with close loop operation and DC Voltage: 0 to 20VDC DC Amps: 0 to 4000Amps l Phase failure or reversal generator Protection and annunciation circuit ADVANTAGES: Oil cooled transformer with oil immersed diode rectifier assembly Thyristor Air Cooled Rectifier Pulse Thyristor Rectifier A low voltage high current DC power supply with forced air cooled rectifier and dry A low voltage high current DC power supply with oil cooled regulator and oil type transformer. cooled transformer. CONSTRUCTION: PROTECTION: 3 phase 415V AC fed into thyristor regulator. l AC Surge Suppressor Regulated output 0 to 415V AC again connected l AC Fuse to dry type step down transformer with diode l rectifier at secondary side of transformer. l DC over Voltage ADVANTAGES: l DC over Current l ELECTRONICS: l Close loop controller with firing sequence Fuse failure l l generator Phase failure or reversal Compact in size l l Thyristor gate trigger circuit SCOPE OF SUPPLY: l Protection and annunciation circuit l l DC Voltage: 0 to 20VDC resistance. annunciation l l Dry type transformer with air cooled diode rectifier assembly Compatible to operate from customer PLC for remote operation. Electronic controller for thyristor control with close loop operation and DC Amps: 0 to 4000Amps Controlled output for marginal variation at input voltage and load Air cooled thyristor regulator assembly Simplified version of control circuit for easy maintenance Thyristor temperature high l RANGE: BRIEF SPECIFICATION l Compact rectifier with common control panel concept. FEATURES l Input : 415V±10% l 6/12/24 pulse configuration l DC Output: 80V l Current / Voltage stability: < ± 1% l DC Current: Upto 10 kA l Standards: IS / IEC l Current Control Range : 20-100% l Transformer Cooling : Air Cooled / ONAN l Rating Class ‘B’ of IS 4540 l Rectifier Cooling: Air cooled / Forced Air l No of Pulse : 6 ( Single Way Bridge ) l FN cooled Dry Type Transformer & Thyristor Rectifier Cooled l Efficiency: Upto 95% customer PLC for remote operation. Applications l Hydrogen Generation Plant l Polarity Reversal Rectifier for Electro Cleaning / De-greasing / Pickling / Winning application l Electro Chlorination l Electro Deposit Coating in Automobile industries l Metal finishing l Polarisation Hind Limited Salient features of our system l Indigenous Design l l Silicon Diode Assembly from our Hirect Semiconductor Division Hermatically sealed assembly l Double wound step-down transformer l Designed to IS/ IEC / IEEE standards l Stepless control achieved through motorized variac l Closed loop constant current controller for current stability. l Designed for continuous working in ambient temperature upto 50˚C l Rugged & Dependable l Compact, No ‘ageing’ & Easy Maintenance l Withstands Acid & Corrosive Atmosphere l Ideal for Tropical Conditions Hind Limited innovating RECTIFIERS FOR ELECTROPLATING & AUTOMOBILE INDUSTRIES FOR TOMORROW www.hirect.com facebook.com/HindRectifiersLtd http://www.linkedin.com/company/hind-rectifiers-ltd. Our Regional Offices MUMBAI (H.O) CHENNAI KOLKATA NEW DELHI HIND RECTIFIERS LTD. HIND RECTIFIERS LTD. Flat No 13, 11th Floor, #7B/5024, Marketing Division, Lake Road, 403, C Block, 4TH floor, Chatterjee Intl.Centre, Vyash Co-op. Bank Bldg, Bhandup, Mumbai-78. Shivalaya Building, 33A Jawaharlal Nehru Road, Near D.A.V. School, Tel: +91 22 2569 6789 Ethiraj Salai, Egmore, Kolkata – 700071. Netaji Subhash Marg, Daryaganj, Fax: +91 22 2596 4114 Chennai - 600 008 Tel: +91 33 4016 8500 New Delhi – 110 002, Email: [email protected] Tel: +91 44 2822 1271 +91 33 2226 4443 Tel: +91 11 4355 4801-08 Fax : +91 44 28241796 Fax: +91 33 4016 8507 Fax : +91 11 4355 4805 Email: [email protected] Email:[email protected] Email: [email protected] RECTIFIERS FOR LECTROPLATING &AUTOMOBILE INDUSTRIES E www.hirect.com