News & Updates

Restoration Work At Panauti HPS - Part II(b)

• Tue, 7 Sep 2010 07:15:20 GMT

  २०६७ भाद्र
  2010 Aug-Sep
  आ Sun	सो Mon	मं Tue	बु Wed	बि Thu	शु Fri	श Sat
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  २० 5	२१ 6	२२ 7 २०६७भाद्र मंगलबार २२ September 7 2010	२३ 8	२४ 9	२५ 10	२६ 11
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    कृपया एक क्षण ...
• 
• Our Engineers have successfully tested and installed Float cum Boost Battery Charger for the battery bank at Panauti Hydro Power Station.

• Technical Specifications for Float cum Boost Battery Charger
  S.N.	Name	Specification
  1	Type	Microprocessor Control, Float cum Boost charger
  2	Applicable Standard	IEC 60623 or IP 31
  3	AC Input	3 Phase, 415VAC ±10%
  4	AC Input Frequency	50Hz ± 6%
  5	DC Output	Voltage 110 V Nominal; Current 200A
  6	Float Charge	Adjustable 75% to 125%
  7	High Rate Charge	Adjustable 75% to 135%
  8	Current Limit	Adjustable 0% to 100%
  9	Voltage Regulation	Static ±1% Dynamic ±5% Recovary 70 ms to 250ms
  10	Current Regulation	±1% at current limit
  11	Charge Characteristics	Constant Current/Constant Voltage IU as per IEC 478-1
  12	Dielectric Strength	2000VAC/1 minute input/output to ground
  13	Insulation Resistance	10 Mohm 500 VDC input/output to ground
  14	Ripple Voltage	Charging Rating 2.5% rms Typical 5% rms Max Battery Disconnected
  15	Protection	AC and Dc Voltage Surge Suppression Slow Start Function Short Circuit Proof Current Limit at 100% Inom Internal DC Fuses AC Input MCB DC Output Fuse
  16	Basic System Specification and Configuration	System Configuration Consists of Basic Microprocessor Rectifier MCB-AC Input MCB-DC Output Battery Fuses
  17	Display LCD	Bright 2 line Dot Matrix 16 character display with back light system parameters :- Measured and Calculated Charging Mode – Status and elapsed time Alarm Massages Massage while settling alarm or system parameters
  18	Metering LCD	AC Main Voltage Rectifier DC Output Voltage Rectifier DC Output Current Load DC Voltage Load DC Current Battery Current
  19	Accuracy LCD	Voltage 1.5% Current 1.5%
  20	Status Indicators Panel	Two bright LED's on the front below LCD screen Red LED Fault Green LED System OK
  21	Display Control Panel	Three Menu Driven Membrane Switches/Keys below LCD screen
  22	System Control	Rectifier on/off by MCB located inside the rectifier Constant Voltage Charging with user selectable limit for Float and High rate Adjustable Current Limit Setting Alarm Reset – Local Manual Voltage and Current Adjustment Auto/Manual High Rate Charge Auto Switching to High Rate Charge Auto Switching to High Rate after battery discharge Auto Switching back to Float battery is fully charged at High Rate High Rate Charge can be activated manually at any time.
  23	Temperature	Operational 0 to +40 Deg C 40 to 55 Deg C Derate output current by 1.25% per Deg C above 40
  24	Acoustic Noise	45-65 dBA
  25	Cable Entry	Bottom
  26	Ventilation	Forced Fan Cooling
  27	Access	Front
  28	Color	RAL 7035 Light Grey
  29	Door/Side Panels	1.5mm sheet steel epoxy powder spray coated