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CONTROLLER - AN ELECTRONICS COMPANY - WITH GREAT QUALITY IN BANGLADESH. PRODUCTS OF CONTROLLER : 1)Single phgase any type of transformer design and construction. ( TV, Voltage stabilizer, UPS,IPS, Inverter). SOME CHARACTERSTICS OF TRANSFORMER : a)No Load current less then 0.05 amp b)Regulation is 3-5% c) Each transformer is tested at least two hours at full load 2)Inverter design and construction 3)Electronica ballast design and construction CHAIRMAN AND CHIEF OF TECHNICAL : Md. Abdur Rahim, B.Sc. on E.E.E., Network, Communications, and As/400 Administrator, Information Technology, Beximco Textiles Limited (www.beximco.org), Bangladesh. ADDRESS OF CONTROLLER : 384/1/A al amin road ( 2 nd floor), South paik para, Kallyanpur, Mirpur, Dhaka, Bangladesh. Controller Web address: :: - www.geocities.com/ctlbd999 384/1/A Alamin Road LICENSE REGISTRATION NO :- 86 South Paik Para (2nd floor) Kalayan pur Mirpur , Dhaka - 1216 Phone : -880-0171-618582//0171-318176 Sign Guestbook View Guestbook TRANSFORMER 1)12-0-12v ac, 5 amp, ---- 120 VA (No Load Current = 0.11 amp) ( Regulation : 2.7%) 2)30-0-30v ac, 5 amp, ---- 300 VA (No Load Current = 0.15amp) ( Regulation : 2.9%) 3)35-0-35v ac, 6 amp, --- 420 VA (No Load Current =0.16amp) ( Regulation : 3.7%) 4) 12-0-12v ac, 3 amp, --- 72 VA (No Load Current = 0.20amp) ( Regulation : 3.2%) 5)6-0-6v ac, 5 amp, -------60 VA (No Load Current =0.17amp) ( Regulation : 2.1%) 6)15 -0- 17 V ac, 3 amp --- 96 VA (No Load Current = 0.13amp) ( Regulation : 2.9%) 7)15 -0- 17 V ac, 5 amp -- 160 VA (No Load Current = 0.15amp) ( Regulation : 4.2%) 8) 15 -0 - 15 V ac, 3 amp --90 VA (No Load Current = 0.11amp) ( Regulation : 3.9%) 9)15 -0 - 15 V ac, 5 amp -- 150 VA (No Load Current =0.18amp) ( Regulation : 2.1%) 10) 12 -0 - 12 V ac, 7 amp -168 VA(No Load Current = 0.05amp) ( Regulation 2.3%) 11)24 -0 - 24 V ac, 7 amp --336 VA (No Load Current =0.07amp) ( Regulation : 2.7%) 12) 12 -0 - 12 V ac, 8 amp --192 VA (No Load Current = 0.02amp) ( Regulation : 4.1%) 13) 4.5 -0 - 4.5 V ac, 1 amp --9 VA (No Load Current = 0.01amp) ( Regulation : 3.5%) 14)24 -0 - 24 V ac, 5 amp 240 VA (No Load Current = 0.07amp) ( Regulation : 5.1%) 15)12 -0 - 12 V ac, 2 amp -48 VA (No Load Current = 0.09amp) ( Regulation : 4.3%) 16)6 -0 - 6V ac, 2 amp --24 VA (No Load Current = 0.07amp) ( Regulation : 2.7%) 17)9 -0 - 9 V ac, 2amp --72 VA (No Load Current = 0.05amp) ( Regulation : 1.5%) 18)9 -0 - 9 V ac, 1 amp --9 VA (No Load Current = 0.13amp) ( Regulation : 4.1%) 19)12 -0 - 24 V ac, 5amp --180 VA (No Load Current = 0.03amp) ( Regulation : 4.3%) 20) 6 V ac, 1 amp --6 VA (No Load Current = 0.12amp) ( Regulation : 3.9%) 21) 12 V ac, 1.5 amp --18 VA (No Load Current = 0.03amp) ( Regulation : 4.3%) 22) 12 V ac, 1amp --12 VA (No Load Current = 0.05amp) ( Regulation : 2.3%) TRANSFORMER FOR VOLTAGE STABILIZER (a) Transformer for 500 VA Voltages are : - 90v, 120v, 150v, 180v, 200v, 220v, 250v No Load Current = 0.10 amp Load tested on 120 v,Load Voltage : - 115.5v, Load Current : 4.71 amp Tested VA = 115.5*4.71 = 544.5 VA = 544.5 watt ( As Load is pure resistive) Load Duration : - Approximately two hours, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 3.75 % (b) Transformer for 450 VA Voltages are : - 90v, 120v, 150v, 180v, 200v, 220v, 260v No Load Current = 0.12 amp Load tested on 120 v, Load Voltage : - 115v,Load Current : 4.31 amp Tested VA =115*4.31 = 494.65VA= 594.65watt ( As Load is pure resistive) Load Duration : - Approximately 100 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 4.16% (c) Transformer for 400 VA Voltages are : - 95v, 121v, 150v, 185v, 220v, 255v No Load Current = 0.11 amp Load tested on 121 v,Load Voltage : - 116.7v,Load Current : 4.01 amp Tested VA = 116.7*4.01 = 467.97 VA = 467.97 watt ( As Load is pure resistive) Load Duration : - Approximately 92 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 3.55 % (d) Transformer for 500 VA Voltages are : - 135v, 165v, 200v, 245v, 300v ( Low Cut 110v, High cut 270v) No Load Current = 0.08 amp Load tested on 165 v,Load Voltage : - 161.7v,Load Current : 3.21 amp Tested VA = 161.7*3.21 = 520.00 VA = 520.00 watt ( As Load is pure resistive) Load Duration : - Approximately 81 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 2.00 % (e) Transformer for 500 VA (For Fridge _ special type) Voltages are : - 145v, 180v, 220v, 270v, 330v ( Low Cut 110v, High cut 270v) No Load Current = 0.09amp Load tested on 180v,Load Voltage : - 174.9v,Load Current : 3.01 amp **TWO EXTRA WINDINGS:- 1) 10 v at 100 v, 1 amp 2) 10 v at 100 v, 1 amp Tested VA = 174.9*3.01 = 520.00 VA = 520.00 watt ( As Load is pure resistive) Load Duration : - Approximately 91 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 2.83 % TRANSFORMER FOR UPS : 1) Transformer for 400 VA : --- Specifications a)STABILIZER SECTION :- 160 v (3 amp), 185 (2.5 amp), 200 v (2 amp), 230 v( 2 amp), 260 ( 1.75 amp) . No Load Current = 0.07 amp Load tested on 185 v,Load Voltage : - 180.2v,Load Current : 2.35 amp Tested VA = 180.5*2.35 = 424.17 VA = 424.17 watt ( As Load is pure resistive) Load Duration : - Approximately 110 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 2.5 % b) CHARGER SECTION : - 16 V ( 2 Amphere) c) FEED BACK SECTION : - 16 V ( 750 mili Amphere) d)INVERTER SECTION :- 9-0-9 v, ( 19.5 AMPHERES) ( BiFillar Winding) Load Voltage :- 17.3 V Load Duration : Approximately 41 minutes, and heat produced is exceptable 2) Transformer for 500 VA : --- Specifications No Load Current = 0.19 amp a) STABILIZER SECTION :- 200 V (3 amp.), 230 (2.5 amp.), 260 v (2.5 Amphere) . Load tested on 200 v,Load Voltage : - 195.3v,Load Current : 2.65 amp Tested VA = 195.3*2.65 = 517.54 VA = 517.54watt ( As Load is pure resistive) Load Duration : - Approximately 100 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 2.35 % b) CHARGER SECTION : - 16 V ( 2 amp) c) FEED BACK SECTION : - 16 V ( 750 mili Amphere) d) INVERTER SECTION :- 9-0-9 V, ( 21 AMPHERES) Load Voltage :- 17.5 V Load Duration : Approximately 37 minutes, and heat produced is exceptable 3) Transformer for 600 VA : --- Specifications No Load Current = 0.12 amp a) STABILIZER SECTION :- 200 V (3 amp.), 220 (2.5 amp.), 240 v (2.5 Amphere), 260 v (2.5 Amphere) . Load tested on 200 v,Load Voltage : - 196.2v,Load Current : 3.15 amp Tested VA = 196.2*3.15 = 686.70 VA = 686.70 watt ( As Load is pure resistive) Load Duration : - Approximately 61 minutes, and heat produced is exceptable Regulation :- ( Vnl -Vl)/Vnl = 1.90 % b) CHARGER SECTION : - 16 V ( 2 amp) c) FEED BACK SECTION : - 16 V (1 Amphere) d) INVERTER SECTION :- 12-0-12 V, ( 25 AMPHERES) Load Voltage :- 23.5 V Load Duration : Approximately 35 minutes, and heat produced is exceptable TRANSFORMER FOR ADAPTER: INPUT : 220V ac, OUTPUT :- 4.5 - 0- 4.5 V ( NO LOAD CURRENT 0.01 Amp) SPECIAL FEATURES : **** Flux density used for design is 0.9 Wb/m2. ***** Efficiency of the Transformer is 98.1 % **** Voltage regulation is approximately 1.5% - 3.5% **** SILICON Core is used . ** Transformer having Input 100 v ac, and Output 110v ac, with 99.60% accuracy, 110 VA. ** Transformer having Input 220 v ac, and Output 110v ac, with 98.20% accuracy, 500 VA. N.B. - Any type of single phase transformer can be designed and constructed according to specifications, within 5% regulation, and 97% accuracy. COMMENTS :- Transformers have been supplied to -- 1)NOVA ELECTRONICS, 2) TANIN /NATIONAL /NIPPON TV, 3)DREAM INTERNATIONAL,4) ) GALAXY ELECTRO POWER 5) MICROTECH ELECTRONICS, 6) TDC ELECTRONICS Dc voltage Adapter Input : 120v ac to 260v ac, 50 Hz (For any voltage in this range The output remain constant Voltage drop in the load is approximately 0.3 v) Output : 15v dc, 12v dc, 9v dc, 7.5v dc, 5 v dc, 3v dc, 1.5v dc --- Current 500 mA+ SOME OTHER PROJECTS: ( NEGOTIATEABLE) 1) Design and Construction of Electronic Ballast 2)UNINTERRUPTIBLE POWER SUPPLY( UPS) DESIGN AND CONTRUCTION 3))INSTANT POWER SUPPLY( UPS) DESIGN AND CONTRUCTION (INVERTER) 4)EPROM PROGRAMMING FOR MOVING MESSAGE DISPLAY TECHNICAL REFERENCES: - 1)Dr. Basudev Chandro gosh, PROFESSOR and Departmental Head, Department of : - Computer Engineering, Bangladesh Institute of technology, Khulna. 2) 1)Dr. Abul Kalam Azad, PROFESSOR and Departmental Head, Department of : - Electrical and Electronics Engineering, Bangladesh Institute of technology, Khulna. EMERGENCY CONTACT :- Md. Abdur Rahim (017618582 / 017- 318176) MD. ABDUR RAHIM B. Sc. Engineer (E.E.E.), Communications, Network&AS/400 Administrator INFORMATION TECHNOLOGY BEXIMCO TEXTILES LTD PHONE : 8618220-7, 8611891-5 Ext.: 3069 BEL TOWER FAX : 880-2-8619187, 8610672 19, DHANMONDI TELEX : 675848 BXIM BJ ROAD NO. 01 FACTORY : BEXIMCO INDUSTRIAL PARK DHAKA-1205 SARABO, KASHIMPUR, GAZIPUR BANGLADESH PHONE : 7701165-6 Ext. 105 FAX : 880-27701164 E-mail : [email protected] PRACTICAL EXPERIENCE 1)8085 MICROPROCESSOR KIT OPERATION AND TROUBLESHOOTING - MICROPROCESSOR BASED TERMINAL VOLTAGE CONTROL OF A DC GENERATOR. 2)SERIES MOTOR,SYNCHRONOUS MOTOR, INDUCTION MOTOR, STEPPER MOTOR 3)POWER SUPPLY CONSTRUCTION AND DESIGN (+5V 5AMP, -12V,+12V) 4)TRANSFORMER DESIGN - Single phase - including any type of single phase UPS,IPS,VOLTGE STABILIZER's transformer , even any other special type. 5)PULSE TRANSFORMER // INSULATION TRNASFORMER 6) OPAMPS. ---- LM 324,LM339,LM741 --- Comparator,Integrator,Differentiator,Summer, etc. 7)LOGICAL GATE (AND,OR,NOR,XOR,) ETC. 8)TIMER--- Implementing more then 11 Projects with 555/556 . 9) Monostable Multibibrator 10) ALU (ARITHMATIC LOGIC UNIT) DESIGN AND CONSTRUCTION 12)ADC - Analog to Digital Converter 13)DAC -- Digital to Analog Converter 14)TRYRISTOR FIRING CIRCUIT 15)VOLTAGE STABILIZER DESIGN AND CONSTRUCTION - UPTO 1 KVA 16)IPS/INVERTER DESIGN AND CONSTRUCTION -- UPTO 1 KVA 17)UPS DESIGN AND CONSTRUCTION --- UPTO 650 VA 18) ELECTRONICS BALLAST DESIGN 19)TUBE LIGHT OPERATIN WITH BATTERY 20)8085 ASSEMBLY LANGUAGE AND MICROPROCESSOR BASED CONTROL SYSTEM

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