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LP Series 400V CE

LP Series 400V CE. GE Consumer & Industrial September 2004. Range. CE Marked, 400V In & Out, 50/60Hz kVA Ranges 10-20-30kVA True On-Line, Double Conversion Voltage and frequency independent Transformerless Superior Performance Superior Battery Management Excellent Output Regulation

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LP Series 400V CE

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  1. LP Series 400V CE GE Consumer & Industrial September 2004

  2. Range • CE Marked, 400V In & Out, 50/60Hz • kVA Ranges • 10-20-30kVA • True On-Line, Double Conversion • Voltage and frequency independent • Transformerless • Superior Performance • Superior Battery Management • Excellent Output Regulation • Clean Input • High input power factor (0.98) • Low input current THD (<8%) • Redundant Parallel Architecture™ • Up to 4 units parallel • Decentralized bypass • 24x7 Field Service Coverage Digital Energy™ LP 33 Series UPS 10-20-30 kVA Power 400 VAC 50/60 Hz

  3. Batt.Charger • IGBT Inverter • Rectifier • DC link + • Booster + • LC • filter • DC Cap • 2x • Battery bank 2x • Mains • Booster - • DC link - • Through going neutral • Batt.Charger Technical Description • Neutral connection is required • Two battery strings • Filtering is done by inductors and capacitors • Two DC link voltages • Booster is creating a regulated DC link • Neutral is ‚‘through-going‘‘ (input neutral = output neutral)

  4. Input Frequency +10% +5% Competition -5% -10% Input Voltage +20% -25% 208Vac Input voltage window Extremely Wide Voltage Window Less battery operations Voltage :- 25% +20% Frequency :+/- 10% Wider Range is Better +10% -15%

  5. Input performance • Harmonics Feedback • Current THDi : <8% • Power Factor : >0.98 • Advantages: • No additional filters required • Prevents need for oversized GenSet • Reduced cost for cabling and fusing Sinusoidal input current waveshape (THD <8%)

  6. Energy Consumption Efficiency: 91% (double conversion mode) Bypass Supply Static Bypass DC AC Mains Supply DC AC Rectifier Inverter Output Filter Battery Bank • The output voltage is newly generated, independently from the input voltage. • Voltage and frequency variations at the input are not present at the output. • Heat losses are present in Rectifier and Inverter

  7. ECO Mode • Supply the load via the bypass circuit in order to prevent heat losses. This can be done only in case the bypass supply is in tolerance Bypass Supply Static Bypass Mains Supply DC AC Load DC AC Inverter Rectifier Output Filter Battery Bank • Load is supplied via the bypass • The rectifier keeps the batteries charged • The inverter is switched off (no heat losses)

  8. Performance of ECO Mode Fast Transfer to Inverter Simulation of transfer back to inverter < 2ms Bypass on/off Output voltage Inverter current Inverter control • In case the bypass supply is out of tolerance the inverter will start immediately • This transfer is done within 2 ms, which is more than sufficient for most loads • Bypass supply voltage tolerance: +/- 10% (adjustable) • Bypass supply frequency tolerance: +/- 5% (adjustable) • Output filter provides mains filtering and power factor correction from 0.8 to 0.9 (dep. on load) • Efficiency up to 98%

  9. Utility Supply RPA Redundant Parallel Architecture LP Series is a cost effective and reliable UPS system, using proven technology To increase system reliability more units can be connected in parallel with GE‘s unique RPA concept RPA features • Up to 4 units in parallel • Any UPS able to be the logic leader • Decentralized bypass • No single point of failure To critical load

  10. Interfacing Features 1x RS232 Serial Communication Port 4 Programmable potential free alarm contacts on terminals blocks 1x Emergency Power OFF contact Optional: SNMP Interface Card (10/100Mbps auto-select) MODBUS RTU Interface (RS232 or RS485) Extended customer interface with 6 programmable pot. sree contacts and Gen-On contact

  11. Highlights • Low Input Current THD (<8%) • High Input Power Factor (>0.98) • ECO Mode • RPA with decentralized bypass • Excellent output performance

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