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DC POWER SUPPLY

DC POWER SUPPLY. INTRODUCTION.

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DC POWER SUPPLY

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  1. DC POWER SUPPLY

  2. INTRODUCTION Maeil Power Co.,Ltd is a one of leading supplier of switching power supply. The company design and manufacture quality products that satisfy customer needs and requirements. The design engineering staff utilizes the most advanced topology of switching power supply and control unit. Locate with this facility and the assembly, test, quality assurance, engineering design and technical services. Each department of Maeil power will make sure to make satisfaction of every customer.

  3. PRODUCT 1. Module (Switching Power supply) 1) 48V 48V 100A, 50A, 30A, 25A, 15A 2) 24V 24V 100A, 50A, 30A 3) 12V 12V 120A 4) 5V 100A 5V 100A 2. System (Cubicle or sub-rack type) 1) 48V 15A ~ 48V 4800A 2) 24V 30A ~ 1200A

  4. FEATURES 1. High efficiency. 2. High Power Factor. 3. Very small size. 4. Low Noise. 5. Load shared Parallel operation for reliability of system. 6. Modular design. 7. Installed 19” Rack.

  5. APPLICATION 1. Telephone exchanges. 2. Mobile telephone facilities. 3. Microwave and satellite base-stations 4. Solar power systems 5. Emergency equipment 6. Repeater

  6. OTHER PRODUCT • Power Distribution Unit • Power Distribution Rack • Load Bank • Fan Unit • Surge Arrestor

  7. PRODUCT INFORMATION 48V 24V 12V, 5V

  8. Major Features MP481500SL MP481400 By Application Rectifier DC 48V 100A(1400A/ 4400A) •Input - Voltage : 3 Φ 180VAC – 255VAC 330VAC – 450VAC - Frequency : 45 – 65Hz - Power Factor : >0.93 at 40% - 100% load - Efficiency : >92% at >60% load - Inrush Current : <4A • Output - Current : Nominal 100A - Float : 48V - 58V - Equalize : 50V - 60V - Current Limit Range : 10 – 110A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Size :483Wx88H(2U)x470D 567Wx1900Hx750D(System) •Weight : 22kg/ 380kg(System) • •By Application • Mobile base station • Mobile telephone facilities • Telephone exchangers • Microwave satellite base station • Energy equipment • System construction 1400A Master/ 1500A Slave rack Rectifier 48V100A 14(15)EA System Control Unit 1EA

  9. Rectifier DC 48V 50A(200A/ 450A/ 700A) •Input - Voltage : 1 Φ 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >90% at >60% load - Inrush Current : <4A • Output - Current : Nominal 50A - Float : 48V - 58V - Equalize : 50V - 60V - Current Limit Range : 5 – 52A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Size : 87Wx310Hx330D 567Wx1800Hx700D system •Weight : 7kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:700A (14 Unit) • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  10. Supervisory Control Unit (For 50A) • Voltage System voltage normally displayed on SCU alpha-numeric LCD display. Accuracy : ±1% • Current Analog measurement accuracy ±1% at full load • Status monitoring - Output current of Rectifier Unit - Temperature of heatsink Rectifier Unit • Parameters Programmable - Rectifier Voltage(Float or Equalize) - Current Limit - High Voltage Alarm - Low Voltage Alarm - HVSD Reset • Digital Voltage Control • RS-232 Interface • Micro-processor Control

  11. Rectifier DC 48V 25A (75A/ 125A/ 350A) •Input - Voltage : 1 Φ 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >90% at >60% load - Inrush Current : <4A • Output - Current : Nominal 25A - Float : 48V - 58V - Equalize : 50V - 60V - Current Limit Range : 5 – 27A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Size : 87Wx222H(5u)x330D 567Wx1800Hx700D system •Weight : 6kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:350A (14 Unit) • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  12. Rectifier DC 48V 25A(50A) • Input - Voltage : Single Phase 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.95 (above 40% Load) - Efficiency : >88% at >60% load - Inrush Current : <3A • Output - Current : Nominal 25A - Voltage : 48V – 55V • Protection - Over-voltage shutdown - Over-temperature - Over-current • Cooling - Fan Cooling • Size : 215W x 100H x 365D

  13. Rectifier DC 48V 15A (45A/ 210A) •Input - Voltage : 1 Φ 95VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >88% at >60% load - Inrush Current : <4A • Output - Current : Nominal 15A - Float : 48V - 58V - Equalize : 50V - 60V - Current Limit Range : 5 – 16A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Size : 105Wx176H(4u)x368D 567Wx1800Hx700D system •Weight :5kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:210A (14 Unit) • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  14. Supervisory Control Unit (For 25A/ 15A) • Voltage System voltage normally displayed on SCU alpha-numeric LCD display. Accuracy : ±1% • Current Analog measurement accuracy ±1% at full load • Status monitoring - Output current of Rectifier Unit - Temperature of heatsink Rectifier Unit • Parameters Programmable - Rectifier Voltage(Float or Equalize) - Current Limit - High Voltage Alarm - Low Voltage Alarm - HVSD Reset • External Digital Voltage Control • Micro-processor Control • Size : 105Wx 176H(4u)x 368D • RS-232 Interface

  15. Rectifier DC 48V 15A (30A) •Input - Voltage : 1 Φ 95VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >88% at >60% load - Inrush Current : <4A • Output - Current : Nominal 15A - Float : 48V - 58V - Equalize : 50V - 60V - Current Limit Range :5 – 16A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current - LVDS (Low Voltage Disconnect Switch) for Battery • Micro-processor Control • Size : 105Wx176H(4u)x368D 567Wx1800Hx700D system •Weight :5kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:30A • Battery in side • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  16. Rectifier DC 24V 100A(300A/600A/900A/1200A) •Input - Voltage : 3 Φ 4w 380VAC or 1 Φ 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >88% at >60% load - Inrush Current : <4A • Output - Current : Nominal 100A - Float : 24V - 29V - Equalize : 25V - 30V - Current Limit Range : 10 – 110A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Size : 87Wx310Hx330D 567Wx1800Hx700D system •Weight : 7kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:1200A (12 Unit) • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  17. Rectifier DC 24V 50A(100A) • Input - Voltage : Single Phase 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.95 (above 40% Load) - Efficiency : >86% at >60% load - Inrush Current : <3A • Output - Current : Nominal 50A - Voltage : 24V – 27V • Protection - Over-voltage shutdown - Over-temperature - Over-current • Cooling - Fan Cooling • Size : 215W x 100H x 365D

  18. Rectifier DC 24V 30A (90A) •Input - Voltage : 1 Φ 95VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >85% at >60% load - Inrush Current : <4A • Output - Current : Nominal 30A - Float : 24V - 27V - Equalize : 25V - 30V - Current Limit Range : 5 – 33A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current • Micro-processor Control • Size : 105Wx176H(4u)x368D 567Wx1800Hx700D system •Weight :5kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:420A (14 Unit) • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  19. Rectifier DC 24V 30A (60A) •Input - Voltage : 1 Φ 95VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.98 at 40% - 100% load - Efficiency : >85% at >60% load - Inrush Current : <4A • Output - Current : Nominal 30A - Float : 24V - 27V - Equalize : 25V - 30V - Current Limit Range :10 – 33A - Load Regulation :± 0.5% • Noise - < 2mV RMS Psophometrically weighted - < 10mV RMS - < 100mV p-p • Protection - Over-voltage shutdown - Over-temperature - Over-current - LVDS (Low Voltage Disconnect Switch) for Battery • Micro-processor Control • Size : 105Wx176H(4u)x368D 567Wx1800Hx700D system •Weight :5kg • Compliances - EMC Emissions Conducted RF : CISPR 22 Radiated RF : CISPR 22 - EMC Immunity Conducted RF : IEC61000-4-6 Radiated RF : IEC61000-4-3 • Switching Frequency PFC stage : 140KHz DC-DC stage : 200KHz • Maximum Capacity:60A • Battery in side • Load sharing Better than ±5% of full scale with active current sharing from SCU • Magazine size This unit magazine allows 5 module to fit side by side in a standard 19inch rack.

  20. Rectifier Unit DC 12V 120A • Input - Voltage : Single Phase 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.95 (above 40% Load) - Efficiency : >87% at >60% load - Inrush Current : <3A • Output - Current : Nominal 120A - Voltage : 12V • Protection - Over-voltage shutdown - Over-temperature - Over-current • Cooling - Fan Cooling • Size : 435W x 130H(3u) x 370D

  21. Rectifier Unit DC 5V 100A • Input - Voltage : Single Phase 180VAC – 255VAC - Frequency : 45 – 65Hz - Power Factor : >0.95 (above 40% Load) - Efficiency : >80% at >60% load - Inrush Current : <3A • Output - Current : Nominal 100A - Voltage : 4.8V – 5.5V • Protection - Over-voltage shutdown - Over-temperature - Over-current • Cooling - Fan Cooling • Size : 212W X 89H X 290D

  22. Power Distribution Unit

  23. Power Distribution Unit • Input - Voltage : 48VDC or 24VDC - Dual Power - Indicator Power On Lamp CB Trip Lamp ACO Lamp • Distribution Feeder - 7 Dual Load • Magazine 436W X 88H(2U) X 400D to fit side by side in a standard 19 inch rack.

  24. Power Distribution DC 1200A∼200A • Input - Voltage : 48VDC • Output - Current : Dual Line Nominal 1200A, 800A, 630A Nominal 400A, 200A • Cooling Natural Cooling • Size : 750W X 1800H X 600D :1200A 566W X 1800H X 600D :800A＜

  25. Load Bank, Surge Protector,UPSInverter, DC/DC Converter

  26. DC - DC Converter • Capacity : 150W • • Input • - Voltage : DC 48V (44~54V) • • Output • - Voltage : DC 5V 25A • DC 3.3V 6A • - Efficiency : > 70% • - Load Regulation : ± 5% • Protection • - OVP • - OCP • - UVP

  27. RESISTOR LOAD BANK • Input - Voltage : 48VDC • Output - Current : Nominal 250A • Cooling Fan Cooling (Power : 220Vac) • Size : 565W X 1080H X 700D

  28. FAN UNIT • Input - Voltage : 24/48 VDC • Size : 440W X 45H X 320D

  29. Surge Protector • Input - Voltage : 1Phase 220VAC - Peak Current : 52KA • Size : 75W X 55H X 100D • Input - Voltage : 3Phase 380/220VAC - Peak Current : 80KA • Size : 105W X 60H X 140D

  30. PABION(UPS For PC) • Transfer Efficiency DC> 80% AC> 85% • Capacity : 500VA • AC Input Voltage - Nominal : 110/220V - Frequency : 47~63Hz - Curren(Total) : Total 8 A ( PC 4A/ 19” Monitor 3A) • PC Power DC Output Rating Voltage +3.3V +5V +5V SB +12V -12V - 5V Current 20.0A 18.0A 0.8A 10.0A 0.5A 0.5A • Battery - 16.8V/1.7(1.5)AH Ni-CD(14cell Series) - 14.4V/1.7AH Ni-CD(12cell Series) • Back UP Time More than 8 Minutes (17 inch Monitor Used , 200W PC) • System Control Program - OS Environment : Win 98, Win 2000 - System Auto-Shutdown : Enable - Back Up Time Auto Calculation : Enable - Power Supply Protection : Enable ( UVP ) - Computer Power Management ; Enable • Dimension 154W X 144DX86H

  31. UPS • Capacity : 50KVA • • Input • - Voltage : 3Phase 380Vac • • Output • - Voltage : 3Phase 380Vac • - Frequency : 60Hz ± 0.5% • - Efficiency : > 90% • - Power Factor : > 80% • - Load Regulation : ± 1.5% • • Size : 820 X 890 X 1652mm • • Auto Call : To Pager

  32. Inverter (Rack type) • Capacity : 5KVA • • Input • - Voltage : DC 48V (44~54V) • • Output • - Voltage : 1Phase AC 220V • - Frequency : 60Hz • - Efficiency : > 80% • - Load Regulation :± 3% • • Size : 267 X 483 X 550mm

  33. Product : Maeil Power Co.,Ltd • TEL : +82) 02-3012-9005~6 • FAX : +82) 02-3012-9013 • Adr: The second floor 167-7, Garakdong, • Song Pa Gu, Seoul, korea 138-160 • E-mail: sunta@kornet.net

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